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<!DOCTYPE html>
<html lang="tr">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
<title>Futures Scanner</title>
<!-- 0.5: SRI + crossorigin. onerror is also fired when the SRI check fails. -->
<script src="https://unpkg.com/lightweight-charts@4.2.0/dist/lightweight-charts.standalone.production.js"
        integrity="sha384-OK7vELvjHdhUFi31JYioPIcRHTROLdcDa6ZsNWgvgLaKj+9JqhU0Ad8g4wz3CXjA"
        crossorigin="anonymous"
        onerror="window.__lwcLoadFailed=true"></script>
<style>
:root{
  --bg:#0d1117; --panel:#161b22; --border:#2a3038; --text:#e6e8ea; --muted:#8b949e;
  --up:#26a69a; --down:#ef5350; --watch:#e0b64c; --accent:#4c8ce0;
  --nav-h:56px; --head-h:52px;
  /* 0.4: canvas overlay palette — canvas has no CSS cascade, these are read by
     themeVar() in JS and re-applied on theme switch. */
  --canvas-label-bg:rgba(22,27,34,.86);
  --canvas-mid-line:rgba(255,255,255,.38);
  --canvas-mid-text:rgba(255,255,255,.9);
  --heat-blend:screen;
}
html.light{
  --bg:#f5f6f8; --panel:#ffffff; --border:#d8dde3; --text:#1c2128; --muted:#5a6570;
  --canvas-label-bg:rgba(255,255,255,.92);
  --canvas-mid-line:rgba(20,25,32,.42);
  --canvas-mid-text:rgba(20,25,32,.9);
  /* screen on a light background washes the heat colours out completely → multiply */
  --heat-blend:multiply;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden}
body{background:var(--bg);color:var(--text);font-family:-apple-system,'Segoe UI',Roboto,sans-serif;font-size:14px}
/* ---- Header ---- */
#header{position:fixed;top:0;left:0;right:0;height:var(--head-h);background:var(--panel);
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px;
  padding:0 10px;z-index:50;padding-top:env(safe-area-inset-top)}
#symInput{flex:1;min-width:0;background:var(--bg);border:1px solid var(--border);color:var(--text);
  border-radius:8px;padding:8px 10px;font-size:14px;text-transform:uppercase;outline:none}
#lastPrice{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
/* 3.3: the unlabelled dot was unreadable — it is now a labelled health chip */
#wsDot{display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:999px;flex:none;
  font-size:11px;font-weight:700;background:rgba(239,83,80,.16);border:1px solid var(--border);color:var(--down)}
#wsDot.on{background:rgba(38,166,154,.16);color:var(--up)}
#wsDot.sync{background:rgba(224,182,76,.16);color:var(--watch)}
#favBtn{background:none;border:none;font-size:20px;color:var(--muted);cursor:pointer;flex:none}
#favBtn.active{color:var(--watch)}
#symDrop{position:fixed;top:var(--head-h);left:0;right:0;max-height:45vh;overflow-y:auto;
  background:var(--panel);border-bottom:1px solid var(--border);z-index:49;display:none}
#symDrop .row{padding:11px 14px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}
#symDrop .row small{color:var(--muted)}
/* ---- Views ---- */
.view{position:fixed;top:var(--head-h);bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));
  left:0;right:0;display:none;overflow-y:auto}
.view.active{display:flex;flex-direction:column}
#view-chart{overflow:hidden}
/* ---- Chart view ---- */
/* ===== Stage 3: readability & trust ===== */
#hudHtf{font-size:11px;padding:2px 7px;border-radius:999px;border:1px solid var(--border);
  background:var(--bg);color:var(--muted);flex:none;white-space:nowrap}
#hudHtf .u{color:var(--up)} #hudHtf .d{color:var(--down)} #hudHtf .w{color:var(--watch);font-weight:700}
/* T1: canlı güncelleme kapalıyken dürüst rozet (göstergeler yalnız kapanışta yenilenir) */
#indBadge{font-size:11px;padding:2px 7px;border-radius:999px;border:1px solid var(--border);
  background:var(--bg);color:var(--muted);flex:none;white-space:nowrap}
#hudChip.dead{opacity:.45;filter:grayscale(1)}
#staleStrip{position:absolute;top:0;left:0;right:0;z-index:9;display:flex;gap:6px;align-items:center;
  background:rgba(224,182,76,.92);color:#1c2128;font-size:11px;font-weight:700;padding:4px 8px}
#staleStrip[hidden]{display:none}
#hoverLegend{position:absolute;top:34px;left:8px;z-index:5;display:flex;gap:8px;flex-wrap:wrap;
  max-width:calc(100% - 130px);padding:4px 8px;border-radius:8px;background:var(--panel);
  border:1px solid var(--border);font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
#hoverLegend[hidden]{display:none}
#hoverLegend b{color:var(--text);font-weight:700}
#noData{position:absolute;inset:auto 8px 8px 8px;z-index:10;background:rgba(22,27,34,.92);
  border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:12px;pointer-events:none}
#noData b{color:var(--watch);display:block;margin-bottom:3px}
#noData code{background:var(--bg);border-radius:4px;padding:1px 4px;font-size:11px}
#markerCard{position:absolute;z-index:9;width:min(236px,72%);background:var(--panel);
  border:1px solid var(--border);border-radius:10px;padding:9px 10px;font-size:11.5px;
  box-shadow:0 8px 22px rgba(0,0,0,.4)}
#markerCard[hidden]{display:none}
#markerCard h4{font-size:12px;margin-bottom:5px}
#markerCard .r{display:flex;justify-content:space-between;gap:8px;padding:2px 0;color:var(--muted)}
#markerCard .r b{color:var(--text)}
#markerCard .x{margin-top:6px;width:100%;background:var(--bg);border:1px solid var(--border);
  color:var(--muted);border-radius:8px;min-height:34px;font-size:12px}
/* 3.6 accessibility: >=44px touch targets without growing the visual box */
.hit44{position:relative}
.hit44::after{content:"";position:absolute;left:50%;top:50%;width:44px;height:44px;
  transform:translate(-50%,-50%)}
#tfBar button{min-height:44px}
#tfBar .layersBtn{min-height:44px}
.ph button{min-width:26px;min-height:17px}
#fsToggle{min-width:26px;min-height:24px}
#hudChip{min-height:26px}
#nav button{min-height:44px}
/* 3.5 first-run tour */
#tourBack{position:fixed;inset:0;z-index:150}
#tourSpot{position:fixed;z-index:151;border:2px solid var(--accent);border-radius:10px;
  box-shadow:0 0 0 9999px rgba(0,0,0,.55);pointer-events:none}
#tourCard{position:fixed;z-index:152;left:12px;right:12px;background:var(--panel);
  border:1px solid var(--accent);border-radius:12px;padding:12px 14px;box-shadow:0 10px 30px rgba(0,0,0,.45)}
#tourCard h4{font-size:13.5px;margin-bottom:4px}
#tourCard p{font-size:12px;color:var(--muted);line-height:1.45}
#tourCard .tourBtns{display:flex;gap:8px;margin-top:10px}
#tourCard button{flex:1;min-height:44px;border-radius:9px;font-size:13px;border:1px solid var(--border);
  background:var(--bg);color:var(--text)}
#tourCard button.pri{background:var(--accent);border-color:var(--accent);color:#fff}
#tourDots{font-size:11px;color:var(--muted);margin-top:6px;text-align:center}
/* ===== Stage 2: decision HUD replaces the random comment bar ===== */
#commentBar{padding:5px 10px 6px;background:var(--panel);border-bottom:1px solid var(--border);
  display:flex;flex-direction:column;gap:2px}
.hudRow{display:flex;align-items:center;gap:7px;white-space:nowrap;overflow:hidden}
#hudSym{font-size:12.5px;font-weight:700;color:var(--text);flex:none}
#hudPrice{font-size:12.5px;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums;flex:none}
#hudChg{font-size:11px;font-variant-numeric:tabular-nums;flex:none}
#hudCd{margin-left:auto;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;flex:none}
#hudChip{flex:none;background:var(--bg);border:1px solid var(--border);border-radius:10px;
  padding:3px 9px;font-size:11px;font-weight:700;min-height:24px;max-width:190px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#hudChip.stale{opacity:.55;filter:grayscale(.6)}
#hudChip:active{background:var(--panel)}
.hudReason{display:flex;gap:6px;font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden}
#hudReason{overflow:hidden;text-overflow:ellipsis;min-width:0}
#hudComment{color:var(--watch);overflow:hidden;text-overflow:ellipsis;flex:none;max-width:45%}
/* pending trigger band over the chart */
#pendingBand{position:absolute;top:0;bottom:0;z-index:4;pointer-events:none;
  border-left:1px dashed;border-right:1px dashed}
#pendingBand.up{background:rgba(38,166,154,.10);border-color:rgba(38,166,154,.55)}
#pendingBand.dn{background:rgba(239,83,80,.10);border-color:rgba(239,83,80,.55)}
#pendingBand span{position:absolute;top:6px;left:4px;font-size:10px;font-weight:700;
  padding:1px 6px;border-radius:8px;background:var(--panel);border:1px solid var(--border);white-space:nowrap}
#pendingBand.up span{color:var(--up)}
#pendingBand.dn span{color:var(--down)}
/* signal history rows are now tappable */
#sigLog .item{cursor:pointer}
#sigLog .item:active{background:var(--bg)}
#sigLog .hint{font-size:10.5px;color:var(--muted);padding:2px 0 6px}
#tfBar{display:flex;gap:6px;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--border)}
#tfBar button{flex:1;background:var(--bg);border:1px solid var(--border);color:var(--muted);
  border-radius:6px;padding:5px 0;font-size:12px}
#tfBar button.active{color:var(--text);border-color:var(--accent)}
#chartWrap{flex:1;position:relative;min-height:0}
#chart{position:absolute;inset:0}
#statusPill{position:absolute;top:8px;left:8px;z-index:5;padding:4px 10px;border-radius:12px;
  font-size:11px;font-weight:700;background:var(--panel);border:1px solid var(--border)}
#flowMini{position:absolute;top:8px;right:8px;z-index:5;min-width:118px;padding:6px 8px;border-radius:10px;
  background:rgba(22,27,34,.88);border:1px solid var(--border);backdrop-filter:blur(6px);font-size:11px;color:var(--muted)}
html.light #flowMini{background:rgba(255,255,255,.9)}
#flowMini .line{display:flex;justify-content:space-between;gap:8px;line-height:1.35}
#flowMini b{font-variant-numeric:tabular-nums;color:var(--text);font-weight:700}
.st-AL{color:var(--up)} .st-SAT{color:var(--down)} .st-IZLEMEDE{color:var(--watch)} .st-NOTR{color:var(--muted)}
.pos{color:var(--up)!important}.neg{color:var(--down)!important}.warn{color:var(--watch)!important}

/* ---- Depth overlay / DOM ladder / Heatmap ---- */
#heatmap-canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:6;mix-blend-mode:var(--heat-blend);opacity:.68}
#orderbook-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:8}
#sync-badge{display:none;position:absolute;top:8px;right:8px;z-index:5;font-size:11px;font-weight:700;letter-spacing:.3px;color:#c4b5fd;background:rgba(76,140,224,.22);border:1px solid var(--border);padding:3px 8px;border-radius:999px}
.whale-marker-up{color:var(--up)}.whale-marker-dn{color:var(--down)}
@keyframes whaleFlash{0%{transform:scale(1.2);opacity:1}100%{transform:scale(1);opacity:.9}}

/* ---- Cards / lists ---- */
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;margin:10px;padding:14px}
.card h3{font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:600}
#sigStatus{font-size:26px;font-weight:800}
#sigRule{margin-top:6px;font-size:13px;color:var(--muted)}
.lifeBox,.setupBox{margin-top:9px;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:9px}
.lifeHead{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.lifeState{font-size:12px;font-weight:800;letter-spacing:.2px}
.lifeState.watch{color:var(--muted)} .lifeState.ready{color:var(--watch)} .lifeState.active{color:var(--accent)}
.lifeState.done{color:var(--up)} .lifeState.terminal{color:var(--down)}
.lifeMeta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
.lifeMetric{min-width:0;padding:6px 7px;border:1px solid var(--border);border-radius:7px;background:var(--panel)}
.lifeMetric span{display:block;font-size:12px;color:var(--muted);margin-bottom:2px}
.lifeMetric b{display:block;font-size:13px;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lifeNote,.setupTitle{margin-top:7px;font-size:12px;line-height:1.35;color:var(--muted)}
.setupTitle{margin:0 0 7px;color:var(--text);font-weight:700}
.setupTrack{height:6px;background:var(--panel);border:1px solid var(--border);border-radius:99px;overflow:hidden;margin-bottom:8px}
#sigSetupFill{height:100%;width:0;background:var(--accent);transition:width .18s ease}
.setupSteps{display:flex;align-items:center;gap:5px;flex-wrap:wrap}
.setupStep{font-size:12px;border:1px solid var(--border);border-radius:999px;padding:3px 7px;color:var(--muted)}
.setupStep.done{color:var(--up);border-color:var(--up)} .setupStep.current{color:var(--watch);border-color:var(--watch)}
.setupStep.failed{color:var(--down);border-color:var(--down)} .setupArrow{font-size:12px;color:var(--muted)}
.earlyWarning{margin-top:7px;padding:7px 9px;border-radius:7px;border:1px solid var(--watch);background:rgba(224,182,76,.1);color:var(--watch);font-size:12px;line-height:1.35}
#sigLog .item{padding:8px 0 4px;border-top:1px solid var(--border);font-size:12.5px;display:flex;justify-content:space-between;gap:8px}
.scoreBox{margin-top:10px}
.scoreTop{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted);margin-bottom:5px}
#sigScore{font-size:18px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}
.scoreTrack{height:8px;border-radius:99px;background:var(--bg);border:1px solid var(--border);overflow:hidden}
#scoreFill{height:100%;width:0%;background:var(--muted);transition:width .25s ease, background .25s ease}
#sigConf{margin-top:8px;font-size:12px;color:var(--muted);line-height:1.35}
.reasonList{margin-top:8px;display:flex;flex-direction:column;gap:5px}
.reason{font-size:11.5px;line-height:1.25;color:var(--muted);background:var(--bg);border:1px solid var(--border);border-radius:7px;padding:6px 8px}
.metricGrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:4px}
.metric{background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:8px;min-height:52px}
.metric span{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}
.metric b{display:block;color:var(--text);font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Signal tab redesign — independent evidence, live status, accessible mobile order. */
#view-signal{overflow-x:hidden;overscroll-behavior:contain}
#view-signal .card{min-width:0}
#view-signal .sigStickyWrap{position:sticky;top:0;z-index:20;background:var(--bg);padding:1px 0 0}
#view-signal .sigLifecycle{margin:8px 10px 0;padding:8px 9px;box-shadow:0 3px 12px rgba(0,0,0,.18)}
#view-signal .lifeHead{margin-bottom:5px}
#view-signal .lifeMeta{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
#view-signal .lifeMetric{padding:5px 6px}
#view-signal .lifeMetric span{font-size:12px}
#view-signal .lifeMetric b{font-size:12px}
#view-signal .lifeNote{font-size:12px;margin-top:5px}
#view-signal .lifeDirection{font-size:12px;color:var(--muted);text-align:right}
#view-signal .signalCard{margin-top:8px;margin-bottom:8px;padding:12px}
#view-signal .sigQualityRow{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:9px}
#view-signal .sigQuality{min-width:0;padding:7px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}
#view-signal .sigQuality span{display:block;color:var(--muted);font-size:12px;margin-bottom:3px}
#view-signal .sigQuality b{display:block;font-size:12px;color:var(--text);line-height:1.3;font-variant-numeric:tabular-nums}
#view-signal .scoreBox{margin-top:8px}
#view-signal .scoreTrack{height:6px}
#view-signal #sigConf,#view-signal .sigSubtle{font-size:12px;line-height:1.4;color:var(--muted)}
#view-signal .sigSubtle{margin-top:5px}
#view-signal .reasonHead{display:flex;align-items:baseline;gap:7px;margin-top:9px;font-size:12px;color:var(--text)}
#view-signal .reasonHead span{font-size:12px;color:var(--muted)}
#view-signal .reasonList{margin-top:5px;gap:5px}
#view-signal .reason{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.3;padding:6px 8px}
#view-signal .reason .reasonWeight{flex:none;min-width:45px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--text)}
#view-signal .reason .reasonText{min-width:0}
#view-signal .reasonMore{align-self:flex-start;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:7px;padding:5px 8px;font-size:12px;min-height:34px}
#view-signal .evidenceGrid{display:grid;grid-template-columns:1fr;gap:7px}
#view-signal .evidenceAxis{border:1px solid var(--border);border-radius:8px;background:var(--bg);padding:8px;min-width:0}
#view-signal .evidenceHead{display:flex;justify-content:space-between;align-items:center;gap:7px;margin-bottom:4px;color:var(--text);font-size:12px}
#view-signal .evidenceAxis>div:last-child{font-size:12px;line-height:1.4;color:var(--muted)}
#view-signal .axisBadge{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border);border-radius:99px;padding:2px 7px;font-size:12px;font-weight:700;white-space:nowrap}
#view-signal .axisBadge.support{color:var(--up);border-color:var(--up)}
#view-signal .axisBadge.against{color:var(--down);border-color:var(--down)}
#view-signal .axisBadge.neutral{color:var(--watch);border-color:var(--watch)}
#view-signal .sigFlowSnapshot{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;margin-top:6px}
#view-signal .sigFlowSnapshot>span{min-width:0;border:1px solid var(--border);border-radius:6px;padding:4px;text-align:center;background:var(--bg)}
#view-signal .sigFlowSnapshot b{display:block;font-size:12px;color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#view-signal .sigFlowSnapshot small{display:block;font-size:12px;color:var(--muted)}
#view-signal .histBox{font-size:12px}
#view-signal .histBox .histSub{font-size:12px}
#view-signal .metricGrid{gap:7px}
#view-signal .metric{min-width:0;padding:7px;min-height:105px;position:relative}
#view-signal .metric span{font-size:12px;min-height:16px}
#view-signal .metric span small{font-size:12px;color:var(--muted)}
#view-signal .metric b{font-size:13px}
#view-signal .metricWhy{font-size:12px;color:var(--muted);line-height:1.25;margin-top:3px;min-height:28px}
#view-signal .metricSpark{width:100%;height:22px;display:block;margin-top:3px;overflow:visible}
#view-signal .metric[data-state="support"]{border-color:rgba(38,166,154,.65)}
#view-signal .metric[data-state="against"]{border-color:rgba(239,83,80,.65)}
#view-signal .metric[data-state="neutral"]{border-color:var(--border)}
#view-signal .metric[data-state="support"] b::before{content:"↑ ";font-size:12px}
#view-signal .metric[data-state="against"] b::before{content:"↓ ";font-size:12px}
#view-signal .metric[data-state="neutral"] b::before{content:"• ";font-size:12px}
#view-signal .healthStrip{display:flex;gap:5px;flex-wrap:wrap;margin:2px 0 8px}
#view-signal .healthChip{display:inline-flex;gap:4px;align-items:center;border:1px solid var(--border);border-radius:99px;padding:4px 7px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
#view-signal .healthChip.ok{color:var(--up);border-color:rgba(38,166,154,.65)}
#view-signal .healthChip.bad{color:var(--down);border-color:rgba(239,83,80,.65)}
#view-signal .healthChip.warn{color:var(--watch);border-color:rgba(224,182,76,.65)}
#view-signal .signalNotice{margin-top:7px;padding:7px 9px;border:1px solid var(--watch);border-radius:7px;background:rgba(224,182,76,.08);color:var(--text);font-size:12px;line-height:1.4}
#view-signal .flowFilters{display:flex;gap:5px;overflow-x:auto;margin:-1px 0 6px;scrollbar-width:none}
#view-signal .flowFilters button{flex:0 0 auto;min-height:36px;padding:5px 9px;border-radius:99px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:12px}
#view-signal .flowFilters button.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
#view-signal .flowEvent{padding:7px 0;border-top:1px solid var(--border);font-size:12px}
#view-signal .flowEventHead{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
#view-signal .severityBadge,#view-signal .flowRelation{display:inline-flex;border:1px solid var(--border);border-radius:99px;padding:2px 6px;font-size:12px;white-space:nowrap}
#view-signal .severityBadge.high{border-color:var(--down);color:var(--text)}
#view-signal .severityBadge.medium{border-color:var(--watch);color:var(--text)}
#view-signal .severityBadge.low{border-color:var(--muted);color:var(--text)}
#view-signal .flowRelation.support{border-color:var(--up);color:var(--text)}
#view-signal .flowRelation.against{border-color:var(--down);color:var(--text)}
#view-signal .flowRelation.neutral{border-color:var(--muted);color:var(--text)}
#view-signal .sessionSummary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0 0 8px}
#view-signal .sessionSummary>div{min-width:0;padding:7px 6px;border:1px solid var(--border);border-radius:8px;background:var(--bg);text-align:center}
#view-signal .sessionSummary span{display:block;color:var(--muted);font-size:12px}
#view-signal .sessionSummary b{display:block;margin-top:3px;font-size:13px;color:var(--text);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
#view-signal .sessionSummary .summaryNote{grid-column:1/-1;padding:5px 7px;text-align:left;color:var(--muted);font-size:12px;border-style:dashed}
#view-signal .collapsibleSignal{display:block}
#view-signal .collapsibleSignal>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;min-height:44px;outline:none}
#view-signal .collapsibleSignal>summary::-webkit-details-marker{display:none}
#view-signal .collapsibleSignal>summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
#view-signal .collapsibleSignal>summary h3{flex:1;margin:0;font-size:13px}
#view-signal .collapseHint{font-size:12px;color:var(--text);border:1px solid var(--border);border-radius:99px;padding:3px 8px}
#view-signal .collapseChevron{font-size:18px;color:var(--muted);transition:transform .15s ease}
#view-signal .collapsibleSignal[open] .collapseChevron,#view-signal .metricDetails[open] .collapseChevron{transform:rotate(180deg)}
#view-signal .metricDetails>summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:9px;min-height:42px;border-top:1px solid var(--border);outline:none}
#view-signal .metricDetails>summary::-webkit-details-marker{display:none}
#view-signal .metricDetails>summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
#view-signal .metricDetails>summary b{flex:1;font-size:12px;color:var(--text)}
#view-signal .collapsibleBody{padding-top:6px}
#view-signal .historyControls{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:7px;color:var(--muted);font-size:12px}
#view-signal .historyControls select{min-height:34px;max-width:145px;border:1px solid var(--border);border-radius:7px;background:var(--bg);color:var(--text);font-size:12px;padding:4px 7px}
#view-signal #sigHistoryDbState{font-size:12px}
#view-signal .emptyState{padding:10px;border:1px dashed var(--border);border-radius:8px;color:var(--muted);font-size:12px;line-height:1.45}
#view-signal .signalHistoryItem{border-top:1px solid var(--border);padding:0}
#view-signal .signalHistoryItem summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:7px;padding:9px 2px;min-height:44px}
#view-signal .signalHistoryItem summary::-webkit-details-marker{display:none}
#view-signal .historyDir{display:inline-flex;align-items:center;gap:4px;flex:none;border:1px solid var(--border);border-radius:7px;padding:4px 7px;font-size:12px;font-weight:800}
#view-signal .historyMain{flex:1;min-width:0;display:flex;flex-wrap:wrap;align-items:center;gap:5px;font-size:12px}
#view-signal .historyMain small{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
#view-signal .historyResult{margin-left:auto;max-width:105px;white-space:normal;text-align:right;overflow-wrap:anywhere;font-size:12px;font-weight:700}
#view-signal .historyDetails{padding:0 4px 9px 8px;color:var(--muted);font-size:12px;line-height:1.5}
#view-signal .historyDetails b{color:var(--text)}
#view-signal .historyJump{min-height:36px;margin-top:6px;padding:5px 9px;border:1px solid var(--border);border-radius:7px;background:var(--bg);color:var(--text);font-size:12px}
#view-signal .riskPlan{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
#view-signal .riskCell{border:1px solid var(--border);border-radius:8px;background:var(--bg);padding:7px;min-width:0}
#view-signal .riskCell span{display:block;font-size:12px;color:var(--muted)}
#view-signal .riskCell b{display:block;font-size:13px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
#view-signal .signalNotice.blocked{border-color:var(--down)}
#view-signal [hidden]{display:none!important}
#view-signal .num,#view-signal b,#view-signal .axisBadge{font-variant-numeric:tabular-nums}
@media (max-width:370px){#view-signal .lifeMeta{grid-template-columns:repeat(2,minmax(0,1fr))}#view-signal .sigFlowSnapshot{grid-template-columns:repeat(3,minmax(0,1fr))}}
.setRow{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--border);gap:10px}
.setRow:last-child{border-bottom:none}
.settingFeedback{flex:0 0 100%;color:var(--down);font-size:11.5px;line-height:1.35}
.settingFeedback.warning{color:var(--watch)}
/* Settings IA: five sticky destinations, simple/advanced modes, and native details accordions. */
#view-settings{display:none;overflow-x:hidden;overscroll-behavior:contain;padding-bottom:12px}
#view-settings.active{display:block}
#view-settings[data-mode="simple"] [data-settings-advanced]{display:none!important}
#view-settings [hidden]{display:none!important}
.settingsModeBar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:12px 12px 8px;color:var(--text)}
.settingsModeBar>div:first-child{display:flex;flex-direction:column;gap:2px;min-width:0}
.settingsModeBar strong{font-size:16px}
.settingsModeSummary{font-size:12px;color:var(--muted);line-height:1.35}
.settingsModeSwitch{display:flex;gap:4px;padding:3px;background:var(--panel);border:1px solid var(--border);border-radius:10px}
.settingsModeSwitch button{min-height:44px;padding:0 12px;background:transparent;border:1px solid transparent;border-radius:7px;color:var(--muted);font-size:13px}
.settingsModeSwitch button[aria-pressed="true"]{color:var(--text);border-color:var(--accent);background:var(--bg);font-weight:700}
.settingsNav{position:sticky;top:0;z-index:25;display:flex;gap:4px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;padding:5px 8px;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:0 3px 8px rgba(0,0,0,.12)}
.settingsNav::-webkit-scrollbar{display:none}
.settingsNav button{flex:0 0 auto;min-width:75px;min-height:44px;padding:0 12px;background:transparent;border:1px solid transparent;border-radius:999px;color:var(--muted);font-size:12.5px;white-space:nowrap}
.settingsNav button[aria-current="location"]{color:var(--text);background:var(--panel);border-color:var(--accent);font-weight:700}
.settingsMiniPreview{position:sticky;top:50px;z-index:22;margin:5px 8px 8px;padding:7px 9px 8px;border:1px solid var(--border);border-radius:10px;background:var(--panel);box-shadow:0 4px 12px rgba(0,0,0,.16);min-width:0}
.settingsMiniPreviewHead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px;min-height:22px}
.settingsMiniPreviewHead strong{font-size:12px;color:var(--text)}
.settingsMiniPreviewHead span{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
#settingsPreviewSvg{display:block;width:100%;height:110px;border-radius:6px;background:var(--bg);overflow:hidden}
.settingsPreviewEmpty{display:grid;place-items:center;min-height:110px;padding:10px;border:1px dashed var(--border);border-radius:6px;color:var(--muted);font-size:11px;line-height:1.4;text-align:center;background:var(--bg)}
.settingsContrastWarning{margin-top:5px;padding:5px 7px;border-left:3px solid var(--watch);border-radius:4px;background:rgba(224,182,76,.09);font-size:10.5px;line-height:1.35;color:var(--text)}
.settingsContrastWarning.isWarn{border-left-color:var(--watch);background:rgba(224,182,76,.1)}
.settingsContrastWarning.isOk{border-left-color:var(--up);background:rgba(38,166,154,.08)}
.settingsSection{scroll-margin-top:190px;padding-top:2px}
.settingsSectionHeading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:12px 12px 2px}
.settingsSectionHeading h2{margin:0;font-size:15px;color:var(--text)}
.settingsResetBtn{min-height:44px;padding:0 10px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--muted);font-size:11.5px;white-space:nowrap}
.settingsActionStatus{font-size:12px;color:var(--muted);line-height:1.45;margin:8px 0}
.settingsImpactNote{margin-top:9px;padding:9px 10px;border:1px solid var(--watch);border-radius:8px;background:rgba(224,182,76,.08);font-size:12px;line-height:1.45;color:var(--muted)}
.signalDraftActions,.settingsConfirmActions,.settingsBackupActions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.btn.secondary{background:var(--bg);border:1px solid var(--border);color:var(--text)}
.btn:disabled,.settingsResetBtn:disabled{opacity:.48;cursor:not-allowed}
.settingsConfirm{margin:8px 0;padding:10px;border:1px solid var(--watch);border-radius:9px;background:rgba(224,182,76,.08);color:var(--text)}
.settingsConfirm p{margin:0;font-size:12.5px;line-height:1.45;color:var(--muted)}
.settingsAccordion.card{padding:0;overflow:hidden;min-width:0}
.settingsAccordion>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:12px 14px;list-style:none;cursor:pointer;color:var(--text);font-size:14px;font-weight:700;user-select:none}
.settingsAccordion>summary::-webkit-details-marker{display:none}
.settingsAccordion>summary::marker{content:""}
#view-settings :is(button,input,select,summary):focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.settingsAccordion>summary:focus-visible,.settingsNav button:focus-visible,.settingsModeSwitch button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.settingsAccordion[open]>summary{border-bottom:1px solid var(--border)}
.accordionHint{flex:none;color:var(--muted);font-size:11px;font-weight:500}
.accordionHint::after{content:"＋";margin-left:7px;color:var(--accent);font-size:14px}
.settingsAccordion[open] .accordionHint::after{content:"−"}
.settingsAccordionBody{padding:5px 14px 14px;min-width:0}
.settingsMuted{font-size:12px;color:var(--muted);line-height:1.4;margin-top:6px}
.presetCards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:8px 0}
.presetCard{display:flex;flex-direction:column;gap:7px;min-width:0;min-height:120px;padding:8px;text-align:left;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--text);cursor:pointer}
.presetCard[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);background:color-mix(in srgb,var(--accent) 9%,var(--bg))}
.presetCard:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.presetCardTop{display:grid;grid-template-columns:38px minmax(0,1fr);align-items:center;gap:6px;min-height:38px}
.presetCardName{display:flex;flex-direction:column;gap:2px;min-width:0}
.presetCardName strong{font-size:12px}
.presetCardName small{font-size:10px;line-height:1.2;color:var(--muted);overflow-wrap:break-word;word-break:normal}
.presetSketch{height:34px;display:flex;flex-direction:column;justify-content:center;gap:4px;padding:4px;border:1px solid var(--border);border-radius:5px;background:var(--panel)}
.presetSketch i{display:block;height:3px;border-radius:4px;background:var(--accent);opacity:.8}
.presetSketch i:nth-child(2){width:72%;background:var(--watch)}
.presetSketch i:nth-child(3){width:48%;background:var(--up)}
.sketchFlow i:nth-child(3){height:6px;width:78%;background:var(--accent);opacity:.45}
.sketchFull{gap:3px}.sketchFull i{height:4px}.sketchFull i:nth-child(2){width:85%}.sketchFull i:nth-child(3){width:93%;height:5px;background:var(--up);opacity:.55}
.presetBadges{display:flex;flex-wrap:wrap;align-content:flex-start;gap:3px;min-width:0}
.presetBadges span{padding:2px 4px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:9px;line-height:1.2;white-space:nowrap}
.settingsHelpText,.matrixFootnote{font-size:12px;color:var(--muted);line-height:1.5;margin:8px 0 2px}
.settingsSimpleNotice{margin:10px;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--panel);color:var(--muted);font-size:13px;line-height:1.45}
.settingsSimpleNotice button{display:block;min-height:44px;margin-top:8px;padding:0 12px;border:1px solid var(--accent);border-radius:8px;background:var(--bg);color:var(--text)}
.settingsMatrix{max-width:100%;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--bg)}
.matrixHeader{display:none}
.matrixRow{display:grid;grid-template-columns:minmax(0,1fr) 46px;gap:7px 10px;padding:10px;border-bottom:1px solid var(--border);min-width:0}
.matrixRow:last-child{border-bottom:0}
.matrixLayer{grid-column:1;grid-row:1;display:flex;flex-direction:column;justify-content:center;min-width:0}
.matrixLayer strong{font-size:13px;color:var(--text)}
.matrixLayer small{font-size:11px;color:var(--muted);line-height:1.3;margin-top:2px}
.matrixToggle{grid-column:2;grid-row:1;display:flex;align-items:center;justify-content:center;min-height:44px;cursor:pointer}
.matrixToggle input{width:22px;height:22px;accent-color:var(--accent)}
.matrixCell{min-width:0;min-height:0;margin:0;padding:0;border:0}
.matrixParams,.matrixPanel{grid-column:1/-1;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.matrixParams{grid-row:2}
.matrixPanel{grid-row:3;padding-top:2px}
.matrixNumber{display:flex;align-items:center;gap:5px;min-height:44px;font-size:11px;color:var(--muted)}
.matrixNumber input{width:74px;min-height:44px;padding:5px;background:var(--panel);border:1px solid var(--border);border-radius:6px;color:var(--text);text-align:center}
.matrixCheck{display:flex;align-items:center;gap:6px;min-height:44px;font-size:11.5px;color:var(--muted)}
.matrixCheck input{width:20px;height:20px;accent-color:var(--accent)}
.matrixNotApplicable{font-size:11px;color:var(--muted);line-height:1.35}
.layerMatrixRow .matrixCell:disabled{opacity:.48}
.settingsSourceNote{font-size:12px;color:var(--muted);line-height:1.45;overflow-wrap:anywhere;padding:5px 0}
#srcWarn:empty{display:none}
.settingsSourceAlert{border-left:3px solid #e3a53a;background:rgba(227,165,58,.1);border-radius:6px;padding:8px 10px;color:var(--text)}
#srcDataAge[data-freshness="stale"]{color:#ffb74d}
#srcDataAge[data-freshness="empty"]{color:var(--muted)}
.sourceStatusGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:9px 0}
.sourceStatusItem{min-width:0;padding:9px;border:1px solid var(--border);border-radius:8px;background:var(--bg)}
.sourceStatusItem:last-child{grid-column:1/-1}
.settingsCustomSourceFields{border-top:1px solid var(--border);padding-top:4px;margin-top:8px}
@media (min-width:700px){.sourceStatusGrid{grid-template-columns:repeat(3,minmax(0,1fr))}.sourceStatusItem:last-child{grid-column:auto}}
.sourceStatusItem span{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}
.sourceStatusItem strong{display:block;overflow-wrap:anywhere;font-size:12px;color:var(--text)}
.settingsAdvancedSource{margin-top:8px;padding-top:4px;border-top:1px solid var(--border)}
.srOnly{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
@media (min-width:700px){
  #view-settings{max-width:860px;margin:0 auto;left:0;right:0}
  .matrixHeader,.matrixRow{display:grid;grid-template-columns:minmax(125px,1.05fr) 58px minmax(230px,1.6fr) minmax(175px,1.2fr);gap:10px;align-items:center;padding:9px 12px}
  .matrixHeader{position:sticky;top:53px;z-index:2;background:var(--panel);font-size:11px;color:var(--muted);font-weight:700;border-bottom:1px solid var(--border)}
  .matrixLayer{grid-column:1;grid-row:1}
  .matrixToggle{grid-column:2;grid-row:1}
  .matrixParams{grid-column:3;grid-row:1}
  .matrixPanel{grid-column:4;grid-row:1;padding-top:0}
  .matrixNumber{flex-direction:column;align-items:flex-start;gap:3px}
  .matrixNumber input{width:68px}
}
.setRow input[type=number]{width:82px;background:var(--bg);border:1px solid var(--border);
  color:var(--text);border-radius:6px;padding:5px;text-align:center}
.setRow label{font-size:13.5px}
#view-settings .btn{min-height:44px}
#view-settings .setRow input[type="number"],#view-settings .setRow input[type="text"],#view-settings .setRow select{min-height:44px}
#view-settings .setRow input[type="checkbox"]{width:44px;height:44px;flex:none;accent-color:var(--accent)}
.lineCtrl{display:flex;gap:6px;align-items:center}
.lineCtrl input[type=color]{width:36px;height:28px;border:1px solid var(--border);border-radius:6px;background:var(--bg);padding:2px;cursor:pointer}
.lineCtrl select{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:5px 4px;font-size:12px}
#view-settings .lineCtrl input[type="color"]{width:44px;height:44px}
#view-settings .lineCtrl select{min-height:44px}
button.btn{background:var(--accent);border:none;color:#fff;border-radius:8px;padding:8px 14px;font-size:13px}
.favRow{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}
.favRow .x{color:var(--down);background:none;border:none;font-size:16px}

/* ---- Pattern Pool ---- */
.histBox{margin-top:10px;background:var(--bg);border:1px solid var(--border);border-radius:9px;padding:9px 10px;font-size:12px;color:var(--muted);line-height:1.35}
.histBox b{display:block;color:var(--text);font-size:12.5px;margin-bottom:4px}
.histBox .histMain{color:var(--text);font-weight:700}
.histBox .histSub{margin-top:3px;font-size:11.5px;color:var(--muted)}
.poolControls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:10px}
.poolControls select,.poolControls input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:7px;padding:7px 8px;font-size:12px}
.poolControls button{background:var(--accent);border:none;color:#fff;border-radius:7px;padding:7px 10px;font-size:12px}
.poolTable{margin:0 10px 10px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--panel)}
.poolHead,.poolRow{display:grid;grid-template-columns:1.7fr .45fr .55fr .75fr .75fr .85fr .75fr;gap:6px;align-items:center;padding:8px 9px;border-bottom:1px solid var(--border);font-size:11.2px}
.poolHead{position:sticky;top:0;background:var(--panel);z-index:2;color:var(--muted);font-weight:700}
.poolRow{cursor:pointer;color:var(--text)}
.poolRow:last-child{border-bottom:none}
.poolRow small{display:block;color:var(--muted);font-size:10px;line-height:1.2;margin-top:2px}
.badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--border);padding:3px 7px;font-size:10.5px;white-space:nowrap;background:var(--bg);color:var(--muted)}
.badge.good{color:var(--up);border-color:rgba(38,166,154,.45)}
.badge.bad{color:var(--down);border-color:rgba(239,83,80,.45)}
.badge.wait{color:var(--watch);border-color:rgba(224,182,76,.45)}
#poolDetail .sample{display:flex;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px solid var(--border);font-size:11.5px}
#poolDetail .sample:last-child{border-bottom:none}
#poolDetail table{width:100%;border-collapse:collapse;font-size:11px;margin-top:6px}
#poolDetail td,#poolDetail th{border-bottom:1px solid var(--border);padding:5px;text-align:left;color:var(--muted)}
#poolDetail th{color:var(--text)}
#poolDetail .flowLiftTitle{margin-top:12px;color:var(--text);font-weight:700;font-size:12px}
#poolDetail .flowLiftTitle small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:3px}
#poolDetail .flowLiftTableWrap{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
#poolDetail .flowLiftTable{min-width:540px}
@media (max-width:430px){.poolHead,.poolRow{grid-template-columns:1.55fr .38fr .45fr .65fr .62fr .75fr .62fr;font-size:10.4px;padding:7px 6px}.poolControls{gap:6px}.badge{padding:2px 5px}}

/* ---- Bottom nav ---- */
#nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);background:var(--panel);border-top:1px solid var(--border);
  display:flex;z-index:50}
#nav button{flex:1;background:none;border:none;color:var(--muted);font-size:11px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}
#nav button.active{color:var(--accent)}
#nav .ico{font-size:19px}

/* ===== Stage 1: view presets, panel headers, flow strip, layers sheet ===== */
.segRow{display:flex;gap:6px;margin:2px 0 4px}
.segRow button{flex:1;background:var(--bg);border:1px solid var(--border);color:var(--muted);
  border-radius:8px;padding:10px 0;font-size:12.5px;min-height:44px}
.segRow button.active{color:var(--text);border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
#tfBar .layersBtn{flex:0 0 auto;padding:5px 10px;font-size:12px}
/* panel headers live over the chart, one per reserved band */
#panelHeads{position:absolute;inset:0;z-index:7;pointer-events:none}
.ph{position:absolute;left:0;right:0;height:17px;display:flex;align-items:center;gap:6px;
  padding:0 8px 0 4px;font-size:11px;pointer-events:none;overflow:hidden}
.ph .t{color:var(--muted);font-weight:600;white-space:nowrap}
.ph .v{color:var(--text);font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap}
.ph button{pointer-events:auto;background:transparent;border:none;color:var(--muted);
  font-size:11px;line-height:1;padding:1px 5px;border-radius:4px;min-width:22px;min-height:15px}
.ph.collapsed{background:var(--panel);border:1px solid var(--border);border-radius:999px;
  right:auto;width:auto;height:16px;padding:0 7px;z-index:8}
/* flow strip (chart footer) */
/* position+z-index is required: the chart canvases are positioned with z-index 6/8,
   so a static strip sits UNDER them and its expanded touch targets never win a hit test */
#flowStrip{position:relative;z-index:9;background:var(--panel);border-top:1px solid var(--border);
  padding:3px 8px;font-size:11px;color:var(--muted);display:flex;align-items:center;gap:4px}
#flowStrip .fsRow{flex:1;min-width:0}
#flowStrip .fsRow{display:flex;align-items:center;gap:7px;overflow-x:auto;scrollbar-width:none}
#flowStrip .fsRow::-webkit-scrollbar{display:none}
#flowStrip .fsRow>*{flex:none}
#flowStrip canvas{display:block;height:20px;flex:1;min-width:36px}
#flowStrip .m{white-space:nowrap}
#flowStrip .m b{color:var(--text);font-variant-numeric:tabular-nums;font-weight:700}
#fsToggle{background:none;border:none;color:var(--muted);font-size:11px;padding:2px 4px;min-width:22px;min-height:20px}
#fsObiBar{position:relative;display:inline-block;width:42px;height:7px;flex:none;
  background:var(--bg);border:1px solid var(--border);border-radius:99px;overflow:hidden;vertical-align:middle}
#fsObiBar i{position:absolute;top:0;bottom:0;width:0}
#fsObiBar .mid{position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--muted);opacity:.55}
#flowStrip.collapsed .fsFull{display:none}
/* layers bottom sheet */
#sheetBack{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:100;display:none}
#sheetBack.open{display:block}
#sheet{position:fixed;left:0;right:0;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));
  background:var(--panel);border-top:1px solid var(--border);border-radius:14px 14px 0 0;z-index:101;
  /* the sheet can be shorter than the nav bar, so 100% alone is not enough to
     push it off-screen — offset by the nav height as well */
  transform:translateY(calc(100% + var(--nav-h) + env(safe-area-inset-bottom) + 8px));
  transition:transform .2s ease;max-height:72vh;overflow-y:auto;visibility:hidden;pointer-events:none}
#sheet.open{transform:translateY(0);visibility:visible;pointer-events:auto}
#sheetHead{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--border)}
#sheetHead b{font-size:14px}
#sheetHead button{background:none;border:none;color:var(--muted);font-size:16px;min-width:44px;min-height:32px}
#sheet h3{font-size:12px;color:var(--muted);margin:12px 14px 2px;font-weight:600}
#sheet .row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;
  border-bottom:1px solid var(--border);font-size:13.5px;min-height:44px}
#sheet .row label{flex:1}
#sheet input[type=checkbox]{width:22px;height:22px;flex:none;accent-color:var(--accent)}
#sheet .segRow{padding:10px 14px 4px;margin:0}
/* 0.5: readable failure screen when the chart library cannot be loaded */
#fatal{position:fixed;inset:0;z-index:200;background:var(--bg);color:var(--text);
  display:flex;flex-direction:column;justify-content:center;gap:12px;padding:28px;text-align:center}
#fatal[hidden]{display:none}
#fatal h2{font-size:17px;color:var(--down)}
#fatal p{font-size:13px;color:var(--muted);line-height:1.5}
#fatal .hint{font-size:12px}
#fatal code{background:var(--panel);border:1px solid var(--border);border-radius:4px;padding:1px 4px}
#fatal .btn{align-self:center;background:var(--panel);border:1px solid var(--border);color:var(--text);
  border-radius:8px;padding:11px 18px;font-size:13px;min-height:44px}
</style>
</head>
<body>
<div id="header">
  <span id="wsDot" class="hit44" title="Bağlantı durumu">—</span>
  <input id="symInput" placeholder="Coin ara (futures)..." autocomplete="off">
  <button id="favBtn" class="hit44" aria-label="Favorilere ekle / çıkar">☆</button>
  <span id="lastPrice">—</span>
</div>
<div id="symDrop"></div>
<div id="fatal" role="alert" hidden>
  <h2>Grafik motoru yüklenemedi</h2>
  <p id="fatalMsg">Lightweight-Charts kütüphanesi CDN'den alınamadı.</p>
  <p class="hint">İnternet bağlantını kontrol et. Kurumsal/ağ filtresi veya reklam engelleyici
     <code>unpkg.com</code> adresini bloke ediyor olabilir.</p>
  <button id="fatalRetry" class="btn">Tekrar dene</button>
</div>
<div class="view active" id="view-chart">
  <div id="commentBar">
    <div class="hudRow">
      <span id="hudSym">—</span>
      <span id="hudPrice">—</span>
      <span id="hudChg">—</span>
      <button id="hudChip" class="st-NOTR">NÖTR</button>
      <span id="hudCd">—</span>
    </div>
    <div class="hudReason">
      <span id="hudReason">Tetikleyici yok.</span>
      <span id="hudComment" hidden></span>
      <span id="hudHtf" hidden></span>
      <span id="indBadge" hidden>göstergeler kapanışta güncellenir</span>
    </div>
  </div>
  <div id="tfBar"></div>
  <div id="chartWrap">
    <div id="statusPill" class="st-NOTR">NÖTR</div>
    <div id="noData" hidden><b>Veri alınamıyor</b><span id="noDataMsg"></span></div>
    <div id="sync-badge">SENK</div>
    <div id="flowMini">
      <div class="line"><span>CVD60</span><b id="miniCvd">—</b></div>
      <div class="line"><span>OBI</span><b id="miniObi">—</b></div>
      <div class="line"><span>OI</span><b id="miniOi">—</b></div>
      <div class="line"><span>Funding</span><b id="miniFund">—</b></div>
    </div>
    <div id="chart"></div>
    <canvas id="heatmap-canvas"></canvas>
    <canvas id="orderbook-overlay"></canvas>
    <div id="staleStrip" hidden></div>
    <div id="pendingBand" hidden class="up"><span></span></div>
    <div id="hoverLegend" hidden></div>
    <div id="markerCard" hidden></div>
    <div id="panelHeads"></div>
  </div>
  <div id="flowStrip" class="collapsed">
    <button id="fsToggle" class="hit44" title="Flow şeridini katla / aç" aria-label="Flow şeridini katla ya da aç">▾</button>
    <div class="fsRow">
      <span class="m">CVD</span>
      <canvas id="fsCvdCv"></canvas>
      <span id="fsObiBar"><i class="mid"></i><i id="fsObiFill"></i></span>
      <span class="m">OBI <b id="fsObiVal">—</b></span>
      <span class="m">OI <b id="fsOiVal">—</b></span>
      <span class="m">Fon <b id="fsFundVal">—</b></span>
      <span class="m fsFull">Liq <b id="fsLiqVal">—</b></span>
      <span class="m fsFull">Saat <b id="fsFundCd">—</b></span>
    </div>
  </div>
</div>
<div class="view" id="view-signal">
  <div class="sigStickyWrap" id="sigStickyWrap">
    <div id="sigLifecycle" class="lifeBox sigLifecycle">
      <div class="lifeHead"><b id="sigLifeState" class="lifeState watch">İZLEMEDE</b><span id="sigLifeDirection" class="lifeDirection">Gerçek sinyal bekleniyor</span></div>
      <div class="lifeMeta">
        <div class="lifeMetric"><span>Giriş</span><b id="sigLifeEntry">Veri yok</b></div>
        <div class="lifeMetric"><span>Yaş</span><b id="sigLifeAge">—</b></div>
        <div class="lifeMetric"><span>Geçerlilik</span><b id="sigLifeValidity">—</b></div>
        <div class="lifeMetric"><span>Invalidasyon</span><b id="sigLifeStop">Veri yok</b></div>
        <div class="lifeMetric"><span>Canlı K/Z</span><b id="sigLifePnl">Veri yok</b></div>
        <div class="lifeMetric"><span>MFE / MAE</span><b id="sigLifeMfeMae">—</b></div>
      </div>
      <div id="sigLifeNote" class="lifeNote">Canlı sonuç yalnız gerçek WS fiyatı geldiğinde güncellenir.</div>
    </div>
  </div>
  <div class="card signalCard" id="decisionCard">
    <h3>Karar Kartı</h3>
    <div id="sigStatus" class="st-NOTR">NÖTR</div>
    <div id="sigRule">Tetikleyici yok.</div>
    <div id="sigBlockedNotice" class="signalNotice" hidden></div>
    <div id="sigEarlyWarning" class="earlyWarning" hidden></div>
    <div id="sigSetup" class="setupBox" hidden>
      <div class="setupTitle">Kurulum ilerlemesi</div>
      <div class="setupTrack"><div id="sigSetupFill"></div></div>
      <div id="sigSetupSteps" class="setupSteps"></div>
    </div>
    <div class="sigQualityRow" aria-label="Birleşik olmayan karar eksenleri">
      <div class="sigQuality" id="sigSetupQuality" title="Pattern Pool geçmişi; örnek sayısı ayrıca gösterilir"><span>Kurulum kalitesi</span><b id="sigSetupQualityValue">Veri yok</b></div>
      <div class="sigQuality" id="sigFlowFit" title="Yalnız canlı akış uyumu; kurulum geçmişinden ayrıdır"><span>Akış uyumu</span><b id="sigFlowFitValue">Veri yok</b></div>
    </div>
    <div class="scoreBox">
      <div class="scoreTop"><span>Akış puanı · canlı, birleşik güven değildir</span><strong id="sigScore">—</strong></div>
      <div class="scoreTrack"><div id="scoreFill"></div></div>
    </div>
    <div id="sigConf">Katman 1 tetiklenince canlı akış ayrı değerlendirilir; akış skoru kurulum kalitesiyle birleştirilmez.</div>
    <div id="sigFlowWindowNote" class="sigSubtle"></div>
    <div id="sigFlowSnapshotMeta" class="sigFlowSnapshot" hidden></div>
    <div class="reasonHead"><b>Nedenler</b><span>| ağırlığa göre sıralı</span></div>
    <div id="sigReasons" class="reasonList"></div>
  </div>
  <div class="card signalCard" id="riskPlanCard" hidden>
    <h3>Hesaplanmış referans planı</h3>
    <div id="riskPlan" class="riskPlan"></div>
    <div class="sigSubtle">Tavsiye değildir; entry, invalidasyon ve ATR tabanlı mesafelerden hesaplanmış referans değerleridir.</div>
  </div>
  <details class="card signalCard collapsibleSignal" id="evidenceCard">
    <summary class="signalCardSummary"><h3>Kanıt Eksenleri</h3><span class="collapseHint">Aç</span><span class="collapseChevron" aria-hidden="true">⌄</span></summary>
    <div class="collapsibleBody">
    <div class="evidenceGrid">
      <section class="evidenceAxis" id="trendEvidence">
        <div class="evidenceHead"><b>Trend</b><span id="trendEvidenceState" class="axisBadge neutral">Nötr</span></div>
        <div id="trendEvidenceText">Katman 1 tetikleyicisi bekleniyor.</div>
      </section>
      <section class="evidenceAxis" id="flowEvidence">
        <div class="evidenceHead"><b>Akış</b><span id="flowEvidenceState" class="axisBadge neutral">Nötr</span></div>
        <div id="flowEvidenceText">Canlı CVD, depth, likidasyon, OI ve funding bekleniyor.</div>
      </section>
      <section class="evidenceAxis" id="historyEvidence">
        <div class="evidenceHead"><b>Geçmiş</b><span id="historyEvidenceState" class="axisBadge neutral">Nötr</span></div>
        <div id="historyEvidenceText">Desen havuzu verisi bekleniyor.</div>
      </section>
    </div>
    <div id="patternHist" class="histBox"><b>Tarihsel Performans</b><span>Desen havuzu hazırlanıyor...</span></div>
    </div>
  </details>
  <div class="card signalCard" id="rawFlowCard">
    <h3>Canlı Akış Metrikleri</h3>
    <div id="sigHealthStrip" class="healthStrip" aria-live="polite"></div>
    <div id="sigDataWarning" class="signalNotice" hidden></div>
    <details class="metricDetails">
      <summary class="signalCardSummary"><b>Sekiz ölçüm · eşikler · 5 dk kıvılcım grafikleri</b><span class="collapseHint">Aç</span><span class="collapseChevron" aria-hidden="true">⌄</span></summary>
      <div class="collapsibleBody">
    <div class="metricGrid">
      <div class="metric flowMetric" id="metricCvd" title="Yön eşiği: CVD bias ±0,08; pencere zaman dilimine göre değişir."><span>CVD <small id="metricCvdWindow">—</small></span><b id="rawCvdVal">Veri yok</b><div class="metricWhy" id="whyCvd">Gerçek aggTrade akışı bekleniyor.</div><svg class="metricSpark" id="sparkCvd" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika CVD kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricObi" title="Yön eşiği: OBI ±0,10; senkron depth gerekir."><span>OBI <small>(tam depth)</small></span><b id="rawObiVal">Veri yok</b><div class="metricWhy" id="whyObi">Depth senkronu bekleniyor.</div><svg class="metricSpark" id="sparkObi" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika OBI kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricOi" title="Yön eşiği: ±0,25%; kısa süreli taker spike ayrıca gerekir."><span>Open Interest Δ</span><b id="rawOiVal">Veri yok</b><div class="metricWhy" id="whyOi">İlk OI sorgusu bekleniyor.</div><svg class="metricSpark" id="sparkOi" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika OI kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricFunding" title="Yön eşiği: funding ±0,025%; kalabalık yön göstergesi, tek başına sinyal değildir."><span>Funding</span><b id="rawFundVal">Veri yok</b><div class="metricWhy" id="whyFunding">Funding akışı bekleniyor.</div><svg class="metricSpark" id="sparkFunding" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika funding kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricLiq" title="Likidasyon eşiği ayarlardaki minimum notional değeridir; pencere zaman dilimine göre değişir."><span>Likidasyon <small id="metricLiqWindow">—</small></span><b id="rawLiqVal">Veri yok</b><div class="metricWhy" id="whyLiq">Vadeli forceOrder akışı bekleniyor.</div><svg class="metricSpark" id="sparkLiq" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika likidasyon kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricSpread" title="En iyi bid-ask farkı; sabit karar eşiği yoktur."><span>Spread</span><b id="rawSpreadVal">Veri yok</b><div class="metricWhy" id="whySpread">Depth order book bekleniyor.</div><svg class="metricSpark" id="sparkSpread" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika spread kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricConnection" title="Market WS, public depth WS ve depth senkronu."><span>Akış bağlantısı</span><b id="rawModeVal">Bağlanıyor</b><div class="metricWhy" id="whyConnection">WebSocket bağlantıları bekleniyor.</div><svg class="metricSpark" id="sparkConnection" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika bağlantı durumu kıvılcım grafiği"></svg></div>
      <div class="metric flowMetric" id="metricWalls" title="Eşiği geçen en yakın bid/ask duvarı ve orta fiyata uzaklığı."><span>Yakın duvar (B/A)</span><b id="rawWallsVal">Veri yok</b><div class="metricWhy" id="whyWalls">Senkron order book bekleniyor.</div><svg class="metricSpark" id="sparkWalls" viewBox="0 0 96 22" preserveAspectRatio="none" aria-label="Son 5 dakika duvar mesafesi kıvılcım grafiği"></svg></div>
    </div>
      </div>
    </details>
  </div>
  <details class="card signalCard collapsibleSignal" id="flowEventsCard">
    <summary class="signalCardSummary"><h3>Order Flow Olayları</h3><span class="collapseHint">Aç</span><span class="collapseChevron" aria-hidden="true">⌄</span></summary>
    <div class="collapsibleBody">
    <div class="flowFilters" role="group" aria-label="Akış olayı filtresi">
      <button type="button" data-flow-filter="all" class="active">Hepsi</button>
      <button type="button" data-flow-filter="support">Sinyali destekleyen</button>
      <button type="button" data-flow-filter="against">Ters</button>
    </div>
    <div id="flowLog"><div class="emptyState">Gerçek olay akışı bekleniyor; WS bağlanınca olaylar burada görünür.</div></div>
    </div>
  </details>
  <details class="card signalCard collapsibleSignal" id="historyCard">
    <summary class="signalCardSummary"><h3>Sinyal Geçmişi</h3><span class="collapseHint">Aç</span><span class="collapseChevron" aria-hidden="true">⌄</span></summary>
    <div class="collapsibleBody">
    <div id="sigSessionSummary" class="sessionSummary"></div>
    <div class="historyControls"><label for="sigHistoryFilter">Sembol filtresi</label><select id="sigHistoryFilter"><option value="current">Bu sembol</option><option value="all">Tüm semboller</option></select><span id="sigHistoryDbState">IndexedDB hazırlanıyor…</span></div>
    <div id="sigLog"><div class="emptyState">Henüz sinyal yok. Katman 1 tetiklenince kayıt burada saklanır.</div></div>
    </div>
  </details>
</div>
<div class="view" id="view-settings" data-settings-mode="simple">
  <div class="settingsModeBar">
    <div><strong>Ayarlar</strong><span class="settingsModeSummary">Önce görünüm ve bağlantı; teknik ayrıntılar isteğe bağlı.</span></div>
    <div class="settingsModeSwitch" role="group" aria-label="Ayar görünümü">
      <button type="button" data-settings-mode="simple" aria-pressed="true">Basit</button>
      <button type="button" data-settings-mode="advanced" aria-pressed="false">Gelişmiş</button>
    </div>
  </div>
  <nav id="settingsNav" class="settingsNav" aria-label="Ayar kategorileri">
    <button type="button" data-settings-target="settings-section-view" aria-current="location">Görünüm</button>
    <button type="button" data-settings-target="settings-section-signal">Sinyal</button>
    <button type="button" data-settings-target="settings-section-data">Veri</button>
    <button type="button" data-settings-target="settings-section-pool">Havuz</button>
    <button type="button" data-settings-target="settings-section-advanced">Gelişmiş</button>
  </nav>
  <aside id="settingsMiniPreview" class="settingsMiniPreview" aria-label="Ayar görünümünün önizlemesi">
    <div class="settingsMiniPreviewHead"><strong>Canlı görünüm önizlemesi</strong><span id="settingsPreviewInfo">Mum verisi bekleniyor</span></div>
    <svg id="settingsPreviewSvg" viewBox="0 0 360 160" preserveAspectRatio="none" role="img" aria-label="Gerçek mum verisinden ayar önizlemesi" aria-hidden="true" style="display:none"></svg>
    <div id="settingsPreviewEmpty" class="settingsPreviewEmpty">Gerçek mum verisi geldiğinde burada gösterilir. Veri yoksa çizim üretilmez.</div>
    <div id="settingsContrastWarning" class="settingsContrastWarning" role="status" aria-live="polite" hidden></div>
  </aside>
  <div id="settingsResetStatus" class="settingsActionStatus" role="status" aria-live="polite"></div>
  <section id="settings-section-view" class="settingsSection" aria-labelledby="settings-heading-view">
    <div class="settingsSectionHeading"><h2 id="settings-heading-view">Görünüm</h2><button type="button" class="settingsResetBtn" data-reset-section="view">Bölümü sıfırla</button></div>
    <details class="card settingsAccordion" id="settingsCardProfile">
      <summary><span>Görünüm profili</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="presetCards" role="group" aria-label="Görünüm profili seç">
          <button type="button" class="presetCard" data-preset="sade" aria-pressed="false">
            <span class="presetCardTop"><span class="presetSketch sketchSimple" aria-hidden="true"><i></i><i></i><i></i></span><span class="presetCardName"><strong>Sade</strong><small>Mum + MA + sinyal</small></span></span>
            <span class="presetBadges" aria-label="Açılan katmanlar"><span>MA</span><span>Likidasyon</span><span>Flow şeridi</span></span>
          </button>
          <button type="button" class="presetCard" data-preset="flow" aria-pressed="false">
            <span class="presetCardTop"><span class="presetSketch sketchFlow" aria-hidden="true"><i></i><i></i><i></i></span><span class="presetCardName"><strong>Flow</strong><small>Sade + akış ve derinlik</small></span></span>
            <span class="presetBadges" aria-label="Açılan katmanlar"><span>Hacim</span><span>Isı haritası</span><span>DOM</span><span>Whale</span></span>
          </button>
          <button type="button" class="presetCard" data-preset="tam" aria-pressed="false">
            <span class="presetCardTop"><span class="presetSketch sketchFull" aria-hidden="true"><i></i><i></i><i></i></span><span class="presetCardName"><strong>Tam</strong><small>Hepsi açık</small></span></span>
            <span class="presetBadges" aria-label="Açılan katmanlar"><span>MA · SAR</span><span>BB · VWAP</span><span>RSI · MACD</span><span>Şerit · DOM</span></span>
          </button>
        </div>
        <div id="presetState" class="settingsMuted"></div>
        <p class="settingsHelpText">Kart çizimleri yalnızca panel yerleşimini şematize eder; piyasa verisi değildir. Profil yalnız görünüm katmanlarını değiştirir, periyot/renk/strateji eşiğini değiştirmez. Elle görünürlük değişince profil Özel olur.</p>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardTheme">
      <summary><span>Tema</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setDark">Koyu tema</label><input type="checkbox" id="setDark"></div>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardMatrix" data-settings-advanced>
      <summary><span>Katman matrisi · göster / periyot / panel</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <p class="settingsHelpText">Kapalı katmanın alt alanları devre dışıdır. Gösterim kapalı olsa da sinyal çekirdeği arka planda çalışır.</p>
        <div class="settingsMatrix" role="table" aria-label="Grafik katmanları ve parametreleri">
          <div class="matrixHeader" role="row"><span role="columnheader">Katman</span><span role="columnheader">Göster</span><span role="columnheader">Periyot / parametre</span><span role="columnheader">Panel</span></div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowMa">
            <div class="matrixLayer" role="cell"><strong>MA çizgileri</strong><small>Hareketli ortalamalar</small></div>
            <label class="matrixToggle" role="cell" for="setShowMa"><span class="srOnly">MA çizgilerini göster</span><input type="checkbox" id="setShowMa"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">MA periyotları</legend>
              <label class="matrixNumber" for="setMa1"><span>Hızlı</span><input type="number" id="setMa1" min="2" step="1"></label>
              <label class="matrixNumber" for="setMa2"><span>Orta</span><input type="number" id="setMa2" min="3" step="1"></label>
              <label class="matrixNumber" for="setMa3"><span>Yavaş</span><input type="number" id="setMa3" min="5" step="1"></label>
            </fieldset>
            <div class="matrixCell matrixPanel" role="cell"><span class="matrixNotApplicable">Ana grafik</span></div>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowSar">
            <div class="matrixLayer" role="cell"><strong>SAR</strong><small>Parabolik SAR</small></div>
            <label class="matrixToggle" role="cell" for="setShowSar"><span class="srOnly">SAR noktalarını göster</span><input type="checkbox" id="setShowSar"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">SAR parametreleri</legend>
              <label class="matrixNumber" for="setSarStep"><span>Step</span><input type="number" id="setSarStep" step="0.001"></label>
              <label class="matrixNumber" for="setSarMax"><span>Max</span><input type="number" id="setSarMax" step="0.01"></label>
            </fieldset>
            <div class="matrixCell matrixPanel" role="cell"><span class="matrixNotApplicable">Ana grafik</span></div>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowBB">
            <div class="matrixLayer" role="cell"><strong>Bollinger Bands</strong><small>Fiyat bandı</small></div>
            <label class="matrixToggle" role="cell" for="setShowBB"><span class="srOnly">Bollinger Bands göster</span><input type="checkbox" id="setShowBB"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">Bollinger parametreleri</legend>
              <label class="matrixNumber" for="setBBPeriod"><span>Periyot</span><input type="number" id="setBBPeriod"></label>
              <label class="matrixNumber" for="setBBStd"><span>Standart sapma</span><input type="number" id="setBBStd"></label>
            </fieldset>
            <div class="matrixCell matrixPanel" role="cell"><span class="matrixNotApplicable">Ana grafik</span></div>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowVwap">
            <div class="matrixLayer" role="cell"><strong>VWAP</strong><small>Hacim ağırlıklı ortalama fiyat</small></div>
            <label class="matrixToggle" role="cell" for="setShowVwap"><span class="srOnly">VWAP göster</span><input type="checkbox" id="setShowVwap"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">VWAP ayarları</legend><span class="matrixNotApplicable">Sabit seans hesabı; periyot ayarı yok</span>
            </fieldset>
            <div class="matrixCell matrixPanel" role="cell"><span class="matrixNotApplicable">Ana grafik</span></div>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowRsi">
            <div class="matrixLayer" role="cell"><strong>RSI</strong><small>Göreli güç endeksi</small></div>
            <label class="matrixToggle" role="cell" for="setShowRsi"><span class="srOnly">RSI panelini göster</span><input type="checkbox" id="setShowRsi"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">RSI periyodu</legend>
              <label class="matrixNumber" for="setRsiPeriod"><span>Periyot</span><input type="number" id="setRsiPeriod"></label>
            </fieldset>
            <fieldset class="matrixCell matrixPanel" role="cell" data-layer-fields>
              <legend class="srOnly">RSI panel ayarları</legend>
              <label class="matrixNumber" for="setPanelRsiH"><span>Yükseklik %</span><input type="number" id="setPanelRsiH"></label>
              <label class="matrixCheck" for="setRsiCollapsed"><input type="checkbox" id="setRsiCollapsed"><span>Katla</span></label>
            </fieldset>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowMacd">
            <div class="matrixLayer" role="cell"><strong>MACD</strong><small>Ortalama yakınsama/ıraksama</small></div>
            <label class="matrixToggle" role="cell" for="setShowMacd"><span class="srOnly">MACD panelini göster</span><input type="checkbox" id="setShowMacd"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">MACD periyotları</legend>
              <label class="matrixNumber" for="setMacdFast"><span>Hızlı</span><input type="number" id="setMacdFast"></label>
              <label class="matrixNumber" for="setMacdSlow"><span>Yavaş</span><input type="number" id="setMacdSlow"></label>
              <label class="matrixNumber" for="setMacdSignal"><span>Sinyal</span><input type="number" id="setMacdSignal"></label>
            </fieldset>
            <fieldset class="matrixCell matrixPanel" role="cell" data-layer-fields>
              <legend class="srOnly">MACD panel ayarları</legend>
              <label class="matrixNumber" for="setPanelMacdH"><span>Yükseklik %</span><input type="number" id="setPanelMacdH"></label>
              <label class="matrixCheck" for="setMacdCollapsed"><input type="checkbox" id="setMacdCollapsed"><span>Katla</span></label>
            </fieldset>
          </div>

          <div class="matrixRow layerMatrixRow" role="row" data-toggle-id="setShowVol">
            <div class="matrixLayer" role="cell"><strong>Hacim</strong><small>İşlem hacmi paneli</small></div>
            <label class="matrixToggle" role="cell" for="setShowVol"><span class="srOnly">Hacim panelini göster</span><input type="checkbox" id="setShowVol"></label>
            <fieldset class="matrixCell matrixParams" role="cell" data-layer-fields>
              <legend class="srOnly">Hacim ayarları</legend><span class="matrixNotApplicable">Hacim; periyot ayarı yok</span>
            </fieldset>
            <fieldset class="matrixCell matrixPanel" role="cell" data-layer-fields>
              <legend class="srOnly">Hacim panel ayarları</legend>
              <label class="matrixNumber" for="setPanelVolH"><span>Yükseklik %</span><input type="number" id="setPanelVolH"></label>
              <label class="matrixCheck" for="setVolCollapsed"><input type="checkbox" id="setVolCollapsed"><span>Katla</span></label>
            </fieldset>
          </div>
        </div>
        <div class="matrixFootnote">RSI, MACD ve Hacim satırlarında panel yüksekliği/katlama kullanılabilir. MA/SAR periyotları taslaktır. Sinyal → Katman 1 bölümündeki Uygula ile kaydedilir; görünürlük motoru kapatmaz.</div>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardFlow" data-settings-advanced>
      <summary><span>Flow görünümü</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setShowFlow">Flow mini panel (üst sağ)</label><input type="checkbox" id="setShowFlow"></div>
        <div class="setRow"><label for="setFlowStrip">Flow şeridi (grafik altı)</label><input type="checkbox" id="setFlowStrip"></div>
        <div class="setRow"><label for="setFlowStripCollapsed">Şerit kapalı başlasın</label><input type="checkbox" id="setFlowStripCollapsed"></div>
        <div class="setRow"><label for="setFsCvd">CVD sparkline</label><input type="checkbox" id="setFsCvd"></div>
        <p class="settingsHelpText">Mini panel ve alt şerit aynı Flow bölümünde ayrı ayrı yönetilir. Akış değerleri gerçek kaynak verisi yoksa gösterilmez.</p>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardDepth" data-settings-advanced>
      <summary><span>Derinlik ve likidite katmanları</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setShowLadder">DOM Ladder sağ şerit</label><input type="checkbox" id="setShowLadder"></div>
        <div class="setRow"><label for="setShowHeatmap">Likidite ısı haritası</label><input type="checkbox" id="setShowHeatmap"></div>
        <div class="setRow"><label for="setWhaleAlerts">Whale / sweep / spoof uyarıları</label><input type="checkbox" id="setWhaleAlerts"></div>
        <div class="setRow"><label for="setShowLiq">Likidasyon marker'ları</label><input type="checkbox" id="setShowLiq"></div>
        <p class="settingsHelpText"><b>DOM</b> emir defterindeki fiyat kademeleridir. Sweep büyük agresif işlemi, spoof? ise kısa sürede silinen büyük bir emri işaretler; her ikisi de gözlem etiketi, kesin niyet kanıtı değildir.</p>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardPanelView" data-settings-advanced>
      <summary><span>Panel başlıkları ve canlı yenileme</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setPanelHeads">Panel başlığı + son değer</label><input type="checkbox" id="setPanelHeads"></div>
        <div class="setRow"><label for="setRefLines">Referans çizgileri (RSI 30/50/70, MACD 0)</label><input type="checkbox" id="setRefLines"></div>
        <div class="setRow"><label for="setLiveInd">Canlı gösterge yenileme (ms)</label><input type="number" id="setLiveInd" min="0" max="2000" step="50"></div>
        <p class="settingsHelpText">Mum kapanmadan göstergeler bu aralıkla güncellenir. 0, canlı güncellemeyi kapatır; motor değişmez.</p>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardLines" data-settings-advanced>
      <summary><span>Çizgi renkleri ve kalınlık</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="colMa1">MA hızlı</label><div class="lineCtrl"><input type="color" id="colMa1"><label class="srOnly" for="widMa1">MA hızlı çizgi kalınlığı</label><select id="widMa1"><option value="1">1 px</option><option value="2">2 px</option><option value="3">3 px</option><option value="4">4 px</option></select></div></div>
        <div class="setRow"><label for="colMa2">MA orta</label><div class="lineCtrl"><input type="color" id="colMa2"><label class="srOnly" for="widMa2">MA orta çizgi kalınlığı</label><select id="widMa2"><option value="1">1 px</option><option value="2">2 px</option><option value="3">3 px</option><option value="4">4 px</option></select></div></div>
        <div class="setRow"><label for="colMa3">MA yavaş</label><div class="lineCtrl"><input type="color" id="colMa3"><label class="srOnly" for="widMa3">MA yavaş çizgi kalınlığı</label><select id="widMa3"><option value="1">1 px</option><option value="2">2 px</option><option value="3">3 px</option><option value="4">4 px</option></select></div></div>
        <div class="setRow"><label for="colSar">SAR</label><div class="lineCtrl"><input type="color" id="colSar"><label class="srOnly" for="widSar">SAR çizgi kalınlığı</label><select id="widSar"><option value="1">1 px</option><option value="2">2 px</option><option value="3">3 px</option><option value="4">4 px</option></select></div></div>
        <div class="setRow"><label for="colBB">Bollinger Bands</label><div class="lineCtrl"><input type="color" id="colBB"><label class="srOnly" for="widBB">Bollinger çizgi kalınlığı</label><select id="widBB"><option value="1">1 px</option><option value="2">2 px</option><option value="3">3 px</option><option value="4">4 px</option></select></div></div>
        <div class="setRow"><label for="colVwap">VWAP</label><div class="lineCtrl"><input type="color" id="colVwap"><label class="srOnly" for="widVwap">VWAP çizgi kalınlığı</label><select id="widVwap"><option value="1">1 px</option><option value="2">2</option><option value="3">3</option><option value="4">4</option></select></div></div>
        <div class="setRow"><label for="colRsi">RSI</label><div class="lineCtrl"><input type="color" id="colRsi"><label class="srOnly" for="widRsi">RSI çizgi kalınlığı</label><select id="widRsi"><option value="1">1 px</option><option value="2">2</option><option value="3">3</option><option value="4">4</option></select></div></div>
        <div class="setRow"><label for="colMacd">MACD çizgisi</label><div class="lineCtrl"><input type="color" id="colMacd"><label class="srOnly" for="widMacd">MACD çizgi kalınlığı</label><select id="widMacd"><option value="1">1 px</option><option value="2">2</option><option value="3">3</option><option value="4">4</option></select></div></div>
        <div class="setRow"><label for="colMacdSig">MACD sinyal çizgisi</label><div class="lineCtrl"><input type="color" id="colMacdSig"><label class="srOnly" for="widMacdSig">MACD sinyal çizgi kalınlığı</label><select id="widMacdSig"><option value="1">1 px</option><option value="2">2</option><option value="3">3</option><option value="4">4</option></select></div></div>
        <div class="setRow"><label>Renk ve kalınlık sıfırlama</label><button class="btn" id="resetLineStyleBtn" type="button">Varsayılana dön</button></div>
      </div>
    </details>

    <details class="card settingsAccordion" id="settingsCardHelp" data-settings-advanced>
      <summary><span>Katman çekmecesi ve yardım</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label>Grafikteki katman listesi</label><button class="btn" id="openLayersBtn" type="button">Katmanları aç</button></div>
        <div class="setRow"><label>Lejant ve kısaltmalar</label><button class="btn" id="openHelpBtn" type="button">Yardımı aç</button></div>
        <div class="setRow"><label>Tanıtım turu (3 adım)</label><button class="btn" id="restartTourBtn" type="button">Turu başlat</button></div>
      </div>
    </details>
  </section>

  <section id="settings-section-signal" class="settingsSection" aria-labelledby="settings-heading-signal">
    <div class="settingsSectionHeading"><h2 id="settings-heading-signal">Sinyal</h2><button type="button" class="settingsResetBtn" data-settings-advanced data-reset-section="signal">Bölümü sıfırla</button></div>
    <div class="settingsSimpleNotice" data-settings-simple-note data-for-section="settings-section-signal" hidden>
      Sinyal eşiği ve motor parametreleri Gelişmiş modda gösterilir.
      <button type="button" data-enable-advanced>Gelişmiş modu aç</button>
    </div>
    <details class="card settingsAccordion" id="settingsCardHud" data-settings-advanced>
      <summary><span>Karar HUD'u</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setHudStale">Sinyal yaşlanma eşiği (mum)</label><input type="number" id="setHudStale" min="1" max="30" step="1"></div>
        <div class="setRow"><label for="setHudBand">Bekleyen kurgu bandı</label><input type="checkbox" id="setHudBand"></div>
        <div class="setRow"><label for="setShowComment">Yorum özeti</label><input type="checkbox" id="setShowComment"></div>
        <p class="settingsHelpText">Sinyal çipi sebepleri ve havuz özetini gösterir. Bayatlık görünüm etiketidir; motor tetik kuralını değiştirmez.</p>
      </div>
    </details>
    <details class="card settingsAccordion" id="settingsCardNWindow" data-settings-advanced>
      <summary><span>Katman 1 · sinyal penceresi</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setN">Mum penceresi (N)</label><input type="number" id="setN" min="1" max="10" step="1"></div>
        <p class="settingsHelpText">MA/SAR periyotlarını Görünüm → Katman matrisi içinde düzenleyebilirsin. Bütün motor değerleri birlikte taslak olarak uygulanır.</p>
        <div class="signalDraftActions"><button type="button" class="btn" id="applySignalSettingsBtn" disabled>Uygula</button><button type="button" class="btn secondary" id="revertSignalSettingsBtn" disabled>Geri al</button></div>
        <div id="signalDraftState" class="settingsActionStatus" role="status" aria-live="polite">Kaydedilmiş motor ayarlarıyla eşleşiyor.</div>
        <div class="settingsImpactNote"><b>Uygulama etkisi:</b> var olan <code>engine.pending</code> temizlenir ve motor güncel mumlarla tekrar değerlendirilir. Sinyal geçmişi ve Pattern Pool istatistikleri bu ayardan dolayı değiştirilmez.</div>
      </div>
    </details>
    <details class="card settingsAccordion" id="settingsCardRawFlow" data-settings-advanced>
      <summary><span>Katman 2 · Raw Flow / opsiyonel veto</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setRawConfirm">Raw flow güven skoru</label><input type="checkbox" id="setRawConfirm"></div>
        <div class="setRow"><label for="setHardVeto">Sert veto (güçlü ters akış)</label><input type="checkbox" id="setHardVeto"></div>
        <div class="setRow"><label for="setLiqMin">Min. likidasyon notional (USDT)</label><input type="number" id="setLiqMin"></div>
        <div class="setRow"><label for="setOiPoll">OI poll saniye</label><input type="number" id="setOiPoll"></div>
        <div class="setRow"><label for="setCascadePct">Cascade eşiği % (5 mum)</label><input type="number" id="setCascadePct"></div>
        <p class="settingsHelpText"><b>CVD</b>, agresif alış eksi satış hacminin birikimli farkıdır; <b>OI</b>, vadeli açık pozisyon miktarıdır ve tek başına yön göstermez. Cascade eşiği, 5 mumluk fiyat değişimini likidasyon akışıyla birlikte işaretler. Raw Flow gerçek WS verisi yoksa kullanılamaz; sert veto isteğe bağlıdır ve kapalıyken Katman 1 sinyali veto edilmez.</p>
      </div>
    </details>
  </section>

  <section id="settings-section-data" class="settingsSection" aria-labelledby="settings-heading-data">
    <div class="settingsSectionHeading"><h2 id="settings-heading-data">Veri ve bağlantı</h2><button type="button" class="settingsResetBtn" data-reset-section="data">Bölümü sıfırla</button></div>
    <details class="card settingsAccordion" id="settingsCardSource">
      <summary><span>Kaynak ve bağlantı durumu</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="sourceStatusGrid" aria-label="Canlı kaynak durumu">
          <div class="sourceStatusItem"><span>Aktif kaynak</span><strong id="srcStatus">—</strong></div>
          <div class="sourceStatusItem"><span>WebSocket</span><strong id="wsText">—</strong></div>
          <div class="sourceStatusItem"><span>Son veri yaşı</span><strong id="srcDataAge">—</strong></div>
        </div>
        <div class="setRow"><label for="setDataMode">Kaynak modu</label>
          <select id="setDataMode">
            <option value="auto">Otomatik (önerilen)</option>
            <option value="birincil">Yalnız birincil (vadeli)</option>
            <option value="spot">Spot yedek (gerçek fiyat, OI/funding yok)</option>
            <option value="testnet">Vadeli testnet (sahte fiyat)</option>
            <option value="ozel">Özel adres (kendi proxy'n)</option>
          </select>
        </div>
        <div id="srcWarn" class="settingsSourceNote" aria-live="polite"></div>
        <div class="setRow"><label>Kaynakları test et</label><button class="btn" id="srcTestBtn" type="button">Kaynakları test et</button></div>
        <div id="srcTestOut" class="settingsSourceNote" aria-live="polite"></div>
        <div class="setRow"><label>Bağlantıyı tazele</label><button class="btn" id="reconnBtn" type="button">Yeniden bağlan</button></div>
        <div class="settingsAdvancedSource" data-settings-advanced>
          <div class="setRow"><label for="setStaleSec">Veri bayatlama eşiği (saniye)</label><input type="number" id="setStaleSec" min="5" max="120" step="1"></div>
          <div id="customSourceFields" class="settingsCustomSourceFields" data-custom-source hidden>
            <div class="setRow"><label for="setApiBase">Özel REST adresi</label><input type="text" id="setApiBase" placeholder="https://proxy.ornek.com"></div>
            <div class="setRow"><label for="setWsBase">Özel WS adresi</label><input type="text" id="setWsBase" placeholder="wss://proxy.ornek.com"></div>
            <div class="setRow"><label for="setApiShape">Özel adres şekli</label><select id="setApiShape"><option value="futures">Vadeli (fapi) — önerilen</option><option value="spot">Spot (api/v3)</option></select></div>
            <p class="settingsHelpText">WS adresi boşsa seçilen API şekline uygun Binance WS kullanılır. Yalnız güvendiğin özel proxy'yi kullan.</p>
          </div>
        </div>
      </div>
    </details>
    <div class="settingsSimpleNotice" data-settings-simple-note data-for-section="settings-section-data" hidden>
      Bağlantı ve kaynak seçimi yukarıda kullanılabilir; teknik bayatlık ve proxy alanları Gelişmiş modda açılır.
    </div>
  </section>

  <section id="settings-section-pool" class="settingsSection" aria-labelledby="settings-heading-pool">
    <div class="settingsSectionHeading"><h2 id="settings-heading-pool">Havuz</h2><button type="button" class="settingsResetBtn" data-settings-advanced data-reset-section="pool">Bölümü sıfırla</button></div>
    <div class="settingsSimpleNotice" data-settings-simple-note data-for-section="settings-section-pool" hidden>
      Pattern Pool ölçütleri Gelişmiş modda gösterilir.
      <button type="button" data-enable-advanced>Gelişmiş modu aç</button>
    </div>
    <details class="card settingsAccordion" id="settingsCardPool" data-settings-advanced>
      <summary><span>Havuz motoru · Pattern Pool</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setPatternWin">Win eşiği ret10 (%)</label><input type="number" id="setPatternWin" min="0" max="5" step="0.01"></div>
        <p class="settingsHelpText"><b>ret10</b>, sinyalden sonraki 10 kapanmış mumun yön-düzeltilmiş getirisi; bu eşik havuzdaki başarı sınıfını belirler, gelecek performansı garanti etmez.</p>
        <div id="patternWinConfirm" class="settingsConfirm" hidden role="group" aria-label="Havuz istatistiklerini yeniden hesaplama onayı">
          <p id="patternWinConfirmText"></p>
          <div class="settingsConfirmActions"><button type="button" class="btn" id="confirmPatternWinBtn">Onayla ve hesapla</button><button type="button" class="btn secondary" id="cancelPatternWinBtn">Geri al</button></div>
        </div>
        <div id="patternWinStatus" class="settingsActionStatus" role="status" aria-live="polite"></div>
        <div class="setRow"><label>Havuz durumu</label><span id="poolDbStatus" class="settingsMuted">Başlatılıyor...</span></div>
        <div class="setRow"><label>Havuz kayıtlarını dışa aktar</label><button class="btn" id="poolExportBtn" type="button">Havuz JSON indir</button></div>
        <div class="setRow"><label>Havuz kayıtlarını içe aktar</label><button class="btn" id="poolImportBtn" type="button">Havuz JSON yükle</button><input id="poolImportFile" type="file" accept="application/json,.json" hidden></div>
      </div>
    </details>
  </section>

  <section id="settings-section-advanced" class="settingsSection" aria-labelledby="settings-heading-advanced">
    <div class="settingsSectionHeading"><h2 id="settings-heading-advanced">Gelişmiş</h2><button type="button" class="settingsResetBtn" data-settings-advanced data-reset-section="advanced">Bölümü sıfırla</button></div>
    <div class="settingsSimpleNotice" data-settings-simple-note data-for-section="settings-section-advanced" hidden>
      Teknik periyot, eşik, renk ve içe/dışa aktarma seçenekleri için Gelişmiş moda geç.
      <button type="button" data-enable-advanced>Gelişmiş modu aç</button>
    </div>
    <details class="card settingsAccordion" id="settingsCardDepthThresholds" data-settings-advanced>
      <summary><span>DOM ve derinlik eşikleri</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setWhaleMin">Whale eşiği (USDT)</label><input type="number" id="setWhaleMin"></div>
        <div class="setRow"><label for="setWallPct">Duvar eşiği (P)</label><input type="number" id="setWallPct"></div>
        <p class="settingsHelpText"><b>P</b> yüzdelik dilimdir: örneğin 90, DOM'daki toplu emir büyüklüklerinin yaklaşık üst %10'unu duvar adayı olarak seçer. Bu bir eşikleme tekniğidir, alım/satım tavsiyesi değildir.</p>
      </div>
    </details>
    <details class="card settingsAccordion" id="settingsCardBackup" data-settings-advanced>
      <summary><span>Ayarları yedekle / geri yükle</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <p class="settingsHelpText">Ayarlar JSON'u sürümlüdür. İçe aktarma önce tüm alanları doğrular; geçersiz dosya hiçbir ayarı değiştirmez.</p>
        <div class="settingsBackupActions"><button type="button" class="btn" id="settingsExportBtn">Ayarları JSON indir</button><button type="button" class="btn secondary" id="settingsImportBtn">Ayar JSON'u seç</button><input id="settingsImportFile" type="file" accept="application/json,.json" hidden></div>
        <div id="settingsImportStatus" class="settingsActionStatus" role="status" aria-live="polite"></div>
        <div id="settingsImportPreview" class="settingsConfirm" hidden role="group" aria-label="Ayar JSON'u onayı">
          <p id="settingsImportSummary"></p>
          <div class="settingsConfirmActions"><button type="button" class="btn" id="confirmSettingsImportBtn">Ayarları uygula</button><button type="button" class="btn secondary" id="cancelSettingsImportBtn">İptal</button></div>
        </div>
      </div>
    </details>
    <details class="card settingsAccordion" id="settingsCardDataTrust" data-settings-advanced>
      <summary><span>Ek görünüm ve güven ayarları</span><span class="accordionHint">Aç</span></summary>
      <div class="settingsAccordionBody">
        <div class="setRow"><label for="setHtfChip">HTF bağlam çipi (15m/1h)</label><input type="checkbox" id="setHtfChip"></div>
        <p class="settingsHelpText"><b>HTF</b>, üst zaman dilimi (15 dakika / 1 saat) özetidir; bağlam gösterir, Katman 1 tetik koşulunu değiştirmez. <b>OI</b> açık vadeli pozisyon miktarıdır.</p>
      </div>
    </details>
    <div class="settingsModeAdvancedOnly" data-settings-advanced>
      <p class="settingsHelpText">Gelişmiş mod teknik periyotları, görünürlük matrisini, flow eşiklerini ve çizgi stillerini açar. Bu ayarlar tek dosyalı uygulama içinde saklanır.</p>
    </div>
  </section>
</div>

<div class="view" id="view-pool">
  <div class="poolControls">
    <select id="poolTfFilter"><option value="all">TF: Hepsi</option><option value="1m">1m</option><option value="5m">5m</option></select>
    <select id="poolMinFilter"><option value="0">Min örnek: 0</option><option value="15">15+</option><option value="30">30+</option><option value="50">50+</option></select>
    <button id="poolRefreshBtn">Yenile</button>
  </div>
  <div id="poolWarn" class="card" style="display:none;color:var(--watch);font-size:12px"></div>
  <div class="poolTable">
    <div class="poolHead"><span>Desen</span><span>TF</span><span>N</span><span>Wilson</span><span>Ret10</span><span>MFE/MAE</span><span>Durum</span></div>
    <div id="poolRows"><div style="padding:12px;color:var(--muted);font-size:12px">Havuz yükleniyor...</div></div>
  </div>
  <div class="card"><h3>Desen Detayı</h3><div id="poolDetail" style="color:var(--muted);font-size:12px">Leaderboard'dan bir desen seç.</div></div>
</div>
<div class="view" id="view-favs">
  <div class="card"><h3>Favoriler</h3><div id="favList"></div></div>
  <div class="card"><h3>Son Kullanılanlar</h3><div id="recentList"></div></div>
</div>
<div id="tourBack" hidden></div>
<div id="tourSpot" hidden></div>
<div id="tourCard" hidden></div>
<div id="sheetBack"></div>
<div id="sheet" role="dialog" aria-label="Katmanlar">
  <div id="sheetHead"><b id="sheetTitle">Katmanlar</b><button id="sheetClose" aria-label="Kapat">✕</button></div>
  <div id="sheetBody"></div>
</div>
<div id="nav">
  <button data-view="chart" class="active"><span class="ico">📈</span>Grafik</button>
  <button data-view="signal"><span class="ico">⚡</span>Sinyal</button>
  <button data-view="settings"><span class="ico">⚙️</span>Ayarlar</button>
  <button data-view="pool"><span class="ico">🧠</span>Havuz</button>
  <button data-view="favs"><span class="ico">⭐</span>Favoriler</button>
</div>
<script>
"use strict";
/* ================= 1. STATE & CONFIG ================= */
const REST = "https://fapi.binance.com";
// Nisan 2026 migration sonrası routed endpoint'ler.
// /market: kline, aggTrade, markPrice, forceOrder. /public: high-frequency depth.
const WS_MARKET = "wss://fstream.binance.com/market";
const WS_PUBLIC = "wss://fstream.binance.com/public";
/* ================= VERİ KAYNAĞI ZİNCİRİ (fallback) =================
   Bazı ağlar/yöreler fapi/fstream'i engeller (bu ortamda HTTP 451). Sıra
   "mod"a göre belirlenir; auto modunda: özel adres → birincil → spot yedek →
   vadeli testnet. Sağlık modeli:
     • her kaynağın rank'ı var (gerçeklik sırası): birincil/özel 0, spot 1,
       testnet 2 → çalışanlar arasından EN YÜKSEK GERÇEKLİK kazanır (salınım yok)
     • üst üste SRC_FAIL_LIMIT hata alan kaynak SRC_COOLDOWN_MS boyunca atlanır
     • taze başarı SRC_OK_FRESH_MS boyunca geçerli sayılır
   • spot yedek: Binance'in resmî genel veri ucu (data-api.binance.vision),
     CORS açık, GERÇEK fiyat; OI/funding/likidasyon yok (vadeliye özel) →
     ilgili alanlar boş kalır, sağlık çipinde "· spot" yazar.
   • testnet: vadeli şekli birebir, fiyatlar GERÇEK DEĞİL ("Testnet" çipi).
   Sinyal motoru/havuz mantığı değişmez — yalnızca aynı uçlara giden yol. */
const SRC_DEFS = {
  birincil: { id:"birincil", label:"Birincil (vadeli)", tag:"vadeli", rank:0, futures:true,
              rest:REST, wsMarket:WS_MARKET, wsPublic:WS_PUBLIC },
  ozel:     { id:"ozel", label:"Özel adres (proxy)", tag:"proxy", rank:0, futures:true,
              rest:"", wsMarket:"", wsPublic:"" },        // adresler Ayarlar'dan gelir
  spot:     { id:"spot", label:"Spot yedek (resmî genel veri)", tag:"spot", rank:1, futures:false,
              rest:"https://data-api.binance.vision",
              wsMarket:"wss://data-stream.binance.vision", wsPublic:"wss://data-stream.binance.vision" },
  testnet:  { id:"testnet", label:"Vadeli testnet", tag:"testnet", rank:2, futures:true, testnet:true,
              rest:"https://testnet.binancefuture.com",
              wsMarket:"wss://stream.binancefuture.com", wsPublic:"wss://stream.binancefuture.com" }
};
/* /fapi/v1/<uç> → /api/v3/<uç> eşlemesi (spot yedek aynı şekli döner).
   Listede olmayan uçlar o kaynakta yoktur → null (ör. openInterest). */
const SPOT_REST_MAP = { "exchangeInfo":"exchangeInfo", "klines":"klines", "depth":"depth",
                        "aggTrades":"aggTrades", "ticker/24hr":"ticker/24hr", "time":"time" };
const SRC_FAIL_LIMIT = 2;                  // bu kadar üst üste hata → soğumaya al
const SRC_COOLDOWN_MS = 60000;             // soğuma süresi
const SRC_OK_FRESH_MS = 120000;            // başarının "taze" sayıldığı süre
const srcState = { okAt:{}, fail:{}, cool:{}, preferred:null, effective:null, events:[], switchedAt:0, lastError:"" };
const srcOfResponse = new WeakMap();       // cevabı hangi kaynak verdi (WeakMap: sızıntı yok)

function srcInfo(id){
  const d = SRC_DEFS[id];
  if (!d) return null;
  if (id === "ozel"){
    const rest = String(S.settings.apiBase || "").trim().replace(/\/+$/,"");
    const wsRaw = String(S.settings.wsBase || "").trim().replace(/\/+$/,"");
    const templated = isRelayTemplate(rest);
    /* şablonda WS türetilemez (relay'ler WS taşımaz): WS adresi verilmediyse
       şekle uygun kanonik akışa düş (vadeli /market veya spot vision) */
    const wsMarket = templated
      ? (wsRaw || (S.settings.apiBaseShape !== "spot" ? WS_MARKET : "wss://data-stream.binance.vision"))
      : (wsRaw || rest.replace(/^http/,"ws"));
    /* proxy'nin arkasındaki kaynak vadeli mi (fapi) spot mu (api/v3)?
       spot ise /fapi/* yolları /api/v3/* olarak çevrilir; OI/funding yok sayılır. */
    const futures = S.settings.apiBaseShape !== "spot";
    return Object.assign({}, d, { rest, wsMarket, wsPublic: wsMarket, futures, spotShape: !futures, templated });
  }
  return d;
}
function srcMode(){ return S.settings.dataMode || "auto"; }
function srcCooling(id){ return (srcState.cool[id] || 0) > Date.now(); }
/* deneme sırası: tercih edilen önce, sonra gerçeklik rank'ı; soğuyanlar sonda */
function srcCandidates(){
  const mode = srcMode();
  const ids = (mode === "auto") ? ["ozel","birincil","spot","testnet"] : [mode];
  let out = ids.map(srcInfo).filter(s => s && /^https?:/.test(s.rest));
  if (!out.length) out = [SRC_DEFS.birincil];
  return out.slice().sort((a, b) => {
    const pa = a.id === srcState.preferred ? -1 : 0, pb = b.id === srcState.preferred ? -1 : 0;
    if (pa !== pb) return pa - pb;
    const ca = srcCooling(a.id) ? 1 : 0, cb = srcCooling(b.id) ? 1 : 0;
    if (ca !== cb) return ca - cb;
    return a.rank - b.rank;
  });
}
function srcFresh(s){ return (Date.now() - (srcState.okAt[s.id] || 0)) < SRC_OK_FRESH_MS; }
/* etkin kaynak: SOĞUMAYAN adaylar arasında önce taze çalışanlar, sonra rank.
   Kritik: soğumaya alınmış kaynak taze görünse bile yeniden seçilemez —
   aksi halde WS arızasından sonra eski kaynağa yapışıp kalırdık. */
function activeSrc(){
  const list = srcCandidates();
  const usable = list.filter(s => !srcCooling(s.id));
  const fresh = usable.filter(srcFresh);
  const pick = fresh.length ? fresh[0] : (usable.length ? usable[0] : list[0]);
  /* tercih edilen, soğumayan + taze + en az onun kadar yüksek gerçeklikte ise o kazanır */
  const pref = srcInfo(srcState.preferred);
  if (pref && !srcCooling(pref.id) && srcFresh(pref) && pref.rank <= pick.rank) return pref;
  return pick;
}
/* Şablon (relay) modu: ücretsiz relay servisleri isteği ?url=<hedef> biçiminde taşır
   (ör. https://api.cors.lol/?url=…). Özel REST adresinde "{url}" varsa istek şablona
   gömülür; hedef, seçilen şekle göre kanonik Binance ucudur (futures → fapi,
   spot → data-api.binance.vision). Böylece tarayıcı, yerel relay olmadan da
   ücretsiz bir relay üzerinden GERÇEK veri alabilir (canlı akış için ayrıca WS gerekir). */
const RELAY_TARGET_BASE = { futures: REST, spot: "https://data-api.binance.vision" };
const isRelayTemplate = t => String(t || "").includes("{url}");
function relayExpand(tpl, target){ return String(tpl).replace("{url}", encodeURIComponent(target)); }
function restURLFor(src, path){
  const m = String(path).match(/^\/fapi\/v1\/([^?]+)(\?.*)?$/);
  if (src.templated){
    /* spot şeklinde uç adı da çevrilir: /fapi/v1/klines → /api/v3/klines */
    let tpath = path;
    if (!src.futures){
      if (!m) return null;
      const ep = SPOT_REST_MAP[m[1]];
      if (!ep) return null;
      tpath = `/api/v3/${ep}${m[2] || ""}`;
    }
    return relayExpand(src.rest, RELAY_TARGET_BASE[src.futures ? "futures" : "spot"] + tpath);
  }
  if (!m || src.futures) return src.rest + path;
  const ep = SPOT_REST_MAP[m[1]];
  return ep ? `${src.rest}/api/v3/${ep}${m[2] || ""}` : null;
}
function wsURL(kind, suffix){
  const s = activeSrc();
  return (kind === "public" ? (s.wsPublic || s.wsMarket) : s.wsMarket) + suffix;
}
function fetchTimeout(url, ms=8000){
  const ctl = new AbortController();
  const t = setTimeout(() => ctl.abort(), ms);
  return fetch(url, { signal: ctl.signal }).finally(() => clearTimeout(t));
}
function srcLog(text){
  srcState.events.unshift({ t: Date.now(), text });
  if (srcState.events.length > 20) srcState.events.pop();
  if (typeof renderSrcStatus === "function") renderSrcStatus();
}
function srcRecordOk(id){
  srcState.okAt[id] = Date.now(); srcState.fail[id] = 0; srcState.cool[id] = 0;
  srcState.lastError = "";
  srcRecompute();
}
/* weight: REST hatası 1, "WS 3 deneme de açılmadı" gibi kesin arızalar SRC_FAIL_LIMIT
   (kline akışı olmadan grafik ölür; beklemek yerine sıradaki kaynağa geçilir) */
function srcRecordFail(id, err, weight){
  const n = (srcState.fail[id] || 0) + (weight || 1);
  srcState.fail[id] = n;
  srcState.lastError = `${(SRC_DEFS[id]||{label:id}).label}: ${String(err && err.message || err).slice(0,70)}`;
  if (n >= SRC_FAIL_LIMIT) srcState.cool[id] = Date.now() + SRC_COOLDOWN_MS;
  srcRecompute();
}
/* etkin kaynak değişti mi? değiştiyse veri + bağlantıları yeni kaynaktan kur */
let srcSwitchTimer = null;
function srcRecompute(){
  const next = activeSrc();
  if (srcState.effective === next.id) return;
  const prev = srcState.effective;
  srcState.effective = next.id;
  srcState.preferred = next.id;                 // oturum boyunca hızlı yol
  /* henüz BAŞARILI olmamış kaynağı "seçildi" diye duyurma: ilk seçim sessiz,
     gerçek geçiş ancak bir kaynak çalıştıktan sonra loglanır */
  if (!prev && !srcFresh(next)) return;
  srcState.switchedAt = Date.now();
  try { localStorage.setItem("fs_src", next.id); localStorage.setItem("fs_src_at", String(Date.now())); } catch(e){}
  srcLog((prev ? "Kaynak değişti" : "Kaynak seçildi") + ": " + next.label);
  if (prev) applySourceSwitch(next);            // ilk seçimde veri zaten yeni kaynaktan geliyor
}
function applySourceSwitch(src){
  clearTimeout(srcSwitchTimer);
  srcSwitchTimer = setTimeout(async () => {
    try {
      S.wsRetry = 0; S.raw.marketRetry = 0; S.raw.publicRetry = 0;
      await loadKlines();
      redrawAll(); restoreOrFitChart(); runEngine(); refresh24h(true); renderHud(true);
      wsConnect();
      if (S.settings.rawConfirm) restartRaw(false);
      loadHtf();
      renderWsStatus();
    } catch(e){ srcLog("Geçiş hatası: " + String(e.message).slice(0,60)); }
  }, 400);
}
/* esas veri yolu: kaynakları sırayla dener, çalışanı hatırlar */
async function apiFetch(path, opt={}){
  const tried = [];
  for (const src of srcCandidates()){
    const url = restURLFor(src, path);
    if (!url){ tried.push(`${src.id}:uç yok`); continue; }
    try {
      const r = await fetchTimeout(url, opt.timeout || 8000);
      if (!r.ok) throw new Error("HTTP " + r.status);
      srcOfResponse.set(r, src);
      srcRecordOk(src.id);
      return r;
    } catch(e){ srcRecordFail(src.id, e); tried.push(`${src.id}:${String(e.message || e).slice(0,40)}`); }
  }
  const err = new Error("Hiçbir kaynak yanıt vermedi (" + tried.join(" · ") + ")");
  err.srcTried = tried;
  throw err;
}
/* yan kanal (OI/funding): YALNIZ etkin kaynağı kullanır — kaynak karıştırmaz,
   sağlık skorunu etkilemez; o kaynakta yoksa null döner (arayüz "—" gösterir) */
async function apiFetchOptional(path, opt={}){
  const src = activeSrc();
  const url = restURLFor(src, path);
  if (!url) return null;
  try {
    const r = await fetchTimeout(url, opt.timeout || 8000);
    if (!r.ok) throw new Error("HTTP " + r.status);
    return r;
  } catch(e){ return null; }
}
function initDataSource(){
  const saved = (() => { try { return localStorage.getItem("fs_src"); } catch(e){ return null; } })();
  const age = (() => { try { return Date.now() - Number(localStorage.getItem("fs_src_at") || 0); } catch(e){ return Infinity; } })();
  if (saved && SRC_DEFS[saved] && age < 10 * 60 * 1000){
    srcState.preferred = saved; srcState.effective = saved; srcState.okAt[saved] = Date.now();
  }
}
const TFS = ["1m","5m"];
const PATTERN_TFS = ["1m","5m"];
const clamp = (v,min,max) => Math.max(min, Math.min(max, v));
/* The sole source of user-facing setting defaults. Form markup has no checked/value defaults. */
const SETTINGS_DEFAULTS = {
  ma1:9, ma2:21, ma3:50, sarStep:0.02, sarMax:0.2, nWindow:3,
  dark:true, showMa:true, showSar:true, showVol:true,
  rawConfirm:true, hardVeto:false, showFlow:true, showLiq:true, liqMin:50000, oiPollSec:15, cascadePct:0.8,
  showLadder:true, showHeatmap:true, whaleAlerts:true, whaleMin:300000, wallPct:90,
  showBB:true, showRsi:true, showMacd:true, showVwap:true,
  bbPeriod:20, bbStd:2, rsiPeriod:14, macdFast:12, macdSlow:26, macdSignal:9,
  patternWinPct:0.15,
  /* Additive view keys: existing fs_settings values remain authoritative. */
  layerPreset:"sade", settingsMode:"simple", panelHeads:true, refLines:false,
  panelRsiH:0.17, panelMacdH:0.17, panelVolH:0.11,
  rsiCollapsed:false, macdCollapsed:false, volCollapsed:false,
  flowStrip:true, flowStripCollapsed:true, fsCvd:true,
  signalStaleCandles:3, hudPendingBand:true, showComment:false,
  dataMode:"auto", apiBase:"", wsBase:"", apiBaseShape:"futures",
  htfChip:true, staleSec:10, liveIndMs:350,
  ma1Color:"#e0b64c", ma2Color:"#4c8ce0", ma3Color:"#b06ce0",
  ma1Width:1, ma2Width:1, ma3Width:1,
  sarColor:"#9aa4ae", sarWidth:1,
  bbColor:"#4c8ce0", bbWidth:1,
  vwapColor:"#ff9800", vwapWidth:2,
  rsiColor:"#fdd835", rsiWidth:1,
  macdColor:"#00bcd4", macdWidth:1,
  macdSignalColor:"#ff7043", macdSignalWidth:1
};
/* Runtime numeric policy is independent of browser-native min/max enforcement. */
const SETTINGS_NUMERIC_RULES = {
  ma1:{min:2,max:500,integer:true}, ma2:{min:3,max:500,integer:true}, ma3:{min:5,max:500,integer:true},
  sarStep:{min:0.001,max:1,decimals:3}, sarMax:{min:0.01,max:1,decimals:2}, nWindow:{min:1,max:10,integer:true},
  liqMin:{min:0,max:10000000000,integer:true}, oiPollSec:{min:15,max:300,integer:true}, cascadePct:{min:0.1,max:10,decimals:1},
  patternWinPct:{min:0,max:5,decimals:2}, whaleMin:{min:50000,max:10000000000,integer:true}, wallPct:{min:80,max:99,integer:true},
  bbPeriod:{min:5,max:200,integer:true}, bbStd:{min:0.5,max:5,decimals:1}, rsiPeriod:{min:2,max:100,integer:true},
  macdFast:{min:2,max:100,integer:true}, macdSlow:{min:3,max:200,integer:true}, macdSignal:{min:2,max:100,integer:true},
  panelRsiH:{min:0.06,max:0.35,decimals:2}, panelMacdH:{min:0.06,max:0.35,decimals:2}, panelVolH:{min:0.06,max:0.35,decimals:2},
  signalStaleCandles:{min:1,max:30,integer:true}, staleSec:{min:5,max:120,integer:true}, liveIndMs:{min:0,max:2000,step:50,integer:true},
  ma1Width:{min:1,max:4,integer:true}, ma2Width:{min:1,max:4,integer:true}, ma3Width:{min:1,max:4,integer:true},
  sarWidth:{min:1,max:4,integer:true}, bbWidth:{min:1,max:4,integer:true}, vwapWidth:{min:1,max:4,integer:true},
  rsiWidth:{min:1,max:4,integer:true}, macdWidth:{min:1,max:4,integer:true}, macdSignalWidth:{min:1,max:4,integer:true}
};
function normalizeSettingsRecord(record){
  const out = { ...SETTINGS_DEFAULTS, ...record };
  for (const [key, rule] of Object.entries(SETTINGS_NUMERIC_RULES)){
    let value = Number(out[key]);
    if (!Number.isFinite(value)) value = Number(SETTINGS_DEFAULTS[key]);
    value = clamp(value, rule.min, rule.max);
    if (rule.integer) value = Math.round(value);
    if (rule.step) value = Math.round(value / rule.step) * rule.step;
    if (rule.decimals != null) value = Number(value.toFixed(rule.decimals));
    out[key] = value;
  }
  if (!(out.ma1 < out.ma2 && out.ma2 < out.ma3)){
    out.ma1 = SETTINGS_DEFAULTS.ma1; out.ma2 = SETTINGS_DEFAULTS.ma2; out.ma3 = SETTINGS_DEFAULTS.ma3;
  }
  if (!(out.macdFast < out.macdSlow)){
    out.macdFast = SETTINGS_DEFAULTS.macdFast; out.macdSlow = SETTINGS_DEFAULTS.macdSlow;
  }
  if (!(out.sarStep <= out.sarMax)){
    out.sarStep = SETTINGS_DEFAULTS.sarStep; out.sarMax = SETTINGS_DEFAULTS.sarMax;
  }
  if (!["simple","advanced"].includes(out.settingsMode)) out.settingsMode = SETTINGS_DEFAULTS.settingsMode;
  if (!["sade","flow","tam","ozel"].includes(out.layerPreset)) out.layerPreset = SETTINGS_DEFAULTS.layerPreset;
  if (!["auto","birincil","spot","testnet","ozel"].includes(out.dataMode)) out.dataMode = SETTINGS_DEFAULTS.dataMode;
  return out;
}
function readSavedSettings(){
  try {
    const raw = localStorage.getItem("fs_settings");
    if (raw == null) return { present:false, values:{} };
    const parsed = JSON.parse(raw);
    if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) return { present:false, values:{} };
    const values = {};
    for (const [key, value] of Object.entries(parsed)){
      if (key !== "__proto__" && key !== "prototype" && key !== "constructor") values[key] = value;
    }
    return { present:true, values };
  } catch(e){ return { present:false, values:{} }; }
}
const SAVED_SETTINGS = readSavedSettings();
const INITIAL_SETTINGS = normalizeSettingsRecord(SAVED_SETTINGS.values);
const S = {
  symbol: localStorage.getItem("fs_symbol") || "BTCUSDT",
  interval: localStorage.getItem("fs_interval") || "5m",
  candles: [],                 // {time,open,high,low,close,volume} — time: saniye
  lastKlineDataAt: 0,
  symbols: [],                 // futures perpetual sembol listesi
  settings: INITIAL_SETTINGS,
  favs: JSON.parse(localStorage.getItem("fs_favs")||"[]"),
  recents: JSON.parse(localStorage.getItem("fs_recents")||"[]"),
  ws: null, wsRetry: 0, wsLastMsg: 0, wsAlive: false, wsTimer: null,
  tickSize: {}, pricePrecision: {}, symMeta: {},
  raw: {
    marketWs:null, publicWs:null,
    marketRetry:0, publicRetry:0,
    marketTimer:null, publicTimer:null, oiTimer:null,
    marketAlive:false, publicAlive:false,
    marketLastMsg:0, publicLastMsg:0
  }
};
/* ==================== STAGE 1: VIEW PRESETS (data) ==================== */
/* A view preset only touches visibility keys — never periods, colours or
   thresholds — so a user's tuning survives a preset switch. */
const VIEW_PRESETS = {
  sade: { label:"Sade", desc:"Mum + MA + sinyal marker + durum çipi",
    values:{ showMa:true, showSar:false, showVol:false, showBB:false, showRsi:false, showMacd:false, showVwap:false,
             showHeatmap:false, showLadder:false, whaleAlerts:false, showLiq:true, showFlow:false,
             flowStrip:true, flowStripCollapsed:true, panelHeads:true, refLines:false } },
  flow: { label:"Flow", desc:"Sade + hacim, ısı haritası, ladder, whale, likidasyon",
    values:{ showMa:true, showSar:false, showVol:true, showBB:false, showRsi:false, showMacd:false, showVwap:false,
             showHeatmap:true, showLadder:true, whaleAlerts:true, showLiq:true, showFlow:false,
             flowStrip:true, flowStripCollapsed:false, panelHeads:true, refLines:false } },
  tam:  { label:"Tam", desc:"Tüm katmanlar açık",
    values:{ showMa:true, showSar:true, showVol:true, showBB:true, showRsi:true, showMacd:true, showVwap:true,
             showHeatmap:true, showLadder:true, whaleAlerts:true, showLiq:true, showFlow:false,
             flowStrip:true, flowStripCollapsed:false, panelHeads:true, refLines:true } }
};
const VIEW_PRESET_KEYS = new Set(Object.values(VIEW_PRESETS).flatMap(p => Object.keys(p.values)));
const PANEL_DEFS = [
  { key:"rsi",  showKey:"showRsi",  collapseKey:"rsiCollapsed",  heightKey:"panelRsiH",  label:"RSI",
    title:() => "RSI " + (S.settings.rsiPeriod||14),
    value:() => Number.isFinite(panelLast.rsi) ? panelLast.rsi.toFixed(1) : "—" },
  { key:"macd", showKey:"showMacd", collapseKey:"macdCollapsed", heightKey:"panelMacdH", label:"MACD",
    title:() => `MACD ${S.settings.macdFast||12}/${S.settings.macdSlow||26}/${S.settings.macdSignal||9}`,
    value:() => Number.isFinite(panelLast.macdLine) ? signed(panelLast.macdLine,2) : "—" },
  { key:"vol",  showKey:"showVol",  collapseKey:"volCollapsed", heightKey:"panelVolH",  label:"Hacim",
    title:() => "Hacim",
    value:() => Number.isFinite(panelLast.vol) ? compact(panelLast.vol) : "—" }
];
const panelLast = { rsi:null, macdLine:null, macdSig:null, macdHist:null, vol:null };
const refLines = [];                              // active IPriceLine handles
const VW_PANEL_CHIP = 0.035;                      // collapsed panel header band
const fsState = { cvd:[], lastSample:0, snap:null, snapAt:0 };

/* Migration: brand new users start on "Sade"; existing users keep exactly what
   they had (preset becomes "ozel" and the new strip stays off so the old flow
   mini panel is not duplicated). */
(function migrateViewSettings(){
  if (!SAVED_SETTINGS.present){
    Object.assign(S.settings, VIEW_PRESETS.sade.values);
    S.settings.layerPreset = "sade";
    return;
  }
  if (SAVED_SETTINGS.values.layerPreset === undefined){
    S.settings.layerPreset = "ozel";
    S.settings.flowStrip = false;
  }
})();

const engine = { pending:null, pendingMulti:[], status:"NOTR", statusText:"Tetikleyici yok.", log:[], markers:[], lastRaw:null,
                 activeSignals:[], lastLifecycle:null, earlyWarning:null };
const flow = {
  trades:[], liqs:[], markers:[], startedAt:Date.now(),
  cvd:0, obi:0, bidVol:0, askVol:0,
  oi:null, oiPrev:null, oiChangePct:0, funding:null, markPrice:null, nextFunding:null,
  bestBid:0, bestAsk:0, spread:0,
  bidsBook:new Map(), asksBook:new Map(),
  lastTradeTs:0, lastDepthTs:0, lastMarkTs:0, lastOiTs:0, lastFundingTs:0,
  heatmapFrames:[], lastHeatSample:0,
  metricHistory:{cvd:[],obi:[],oi:[],funding:[],liq:[],spread:[],connection:[],walls:[]}, lastMetricSampleAt:0,
  walls:{bid:[],ask:[]}, wallAges:new Map(), wallCount:{bid:0,ask:0},
  events:[], eventMarkers:[], lastWhale:0, lastSweep:0, lastAbsorb:0, lastBurst:0,
  depthReady:false, depthSynced:false, depthLastUpdate:0, depthBuffer:[],
  depthWs:null, depthGen:0, depthRetry:0, depthTimer:null
};
const $ = id => document.getElementById(id);
const overlayCv = $('orderbook-overlay'), ctxO = overlayCv?.getContext('2d');
const heatCv = $('heatmap-canvas'), ctxH = heatCv?.getContext('2d');

/* ===== Depth & Liquidity constants ===== */
const DEPTH_BIN_PX = 2, WALL_TICK_GROUP = 10, WALL_MIN_AGE = 25000, SPOOF_MAX_AGE = 8000;
const HEAT_WINDOW_SEC = 900, HEAT_SAMPLE_MS = 1000, HEAT_MAX_BINS = 220;
const LADDER_DEFAULT_W = 48;
let chartRO = null;                            // 0.3: single ResizeObserver instance
const save = () => {
  localStorage.setItem("fs_settings", JSON.stringify(S.settings));
  localStorage.setItem("fs_favs", JSON.stringify(S.favs));
  localStorage.setItem("fs_recents", JSON.stringify(S.recents));
  localStorage.setItem("fs_symbol", S.symbol);
  localStorage.setItem("fs_interval", S.interval);
};
/* ---- Grafik zoom/pan hafızası (sembol+timeframe bazlı) ---- */
let rangeSaveTimer = null;
function chartRangeKey(){ return S.symbol + "_" + S.interval; }
function saveVisibleRange(){
  if (!chart) return;
  const r = chart.timeScale().getVisibleLogicalRange();
  if (!r) return;
  let ranges = {};
  try { ranges = JSON.parse(localStorage.getItem("fs_ranges") || "{}"); } catch(e) {}
  ranges[chartRangeKey()] = r;
  localStorage.setItem("fs_ranges", JSON.stringify(ranges));
}
function restoreOrFitChart(){
  let ranges = {};
  try { ranges = JSON.parse(localStorage.getItem("fs_ranges") || "{}"); } catch(e) {}
  const r = ranges[chartRangeKey()];
  if (r && S.candles.length){
    try { chart.timeScale().setVisibleLogicalRange(r); return; } catch(e) {}
  }
  chart.timeScale().fitContent();
}
/* ================= 2. REST ================= */
/* tickSize metninden ("0.00005000") ondalık hane sayısı: log10 yuvarlaması
   0.00005 gibi tick'lerde 1 hane kaybettiriyordu (kırpılan fiyat). */
function tickDecimals(tickStr){
  const t = String(tickStr);
  if (/e-/i.test(t)){ const n = Number(t); return Math.min(12, Math.ceil(-Math.log10(n) - 1e-9)); }
  const frac = (t.split(".")[1] || "").replace(/0+$/, "");
  return frac.length;
}
let symLoadTries = 0;
async function loadSymbols(){
  try{
    const r = await apiFetch("/fapi/v1/exchangeInfo");
    const j = await r.json();
    /* cevabı hangi kaynak verdiyse ona göre karar verilir (WeakMap). Tüm USDT/USDC
       işlem gören pariteler alınır: vadeli listede *PERPETUAL* tipleri (TRADIFI dahil),
       spot yedekte tüm pariteler. */
    const fut = (srcOfResponse.get(r) || activeSrc()).futures;
    const isOk = s => (s.quoteAsset === "USDT" || s.quoteAsset === "USDC") && s.status === "TRADING"
      && (fut ? /PERPETUAL/.test(String(s.contractType || "")) : !s.contractType);
    const list = (j.symbols || []).filter(isOk);
    if (!list.length) throw new Error("sembol listesi boş");
    S.symbols = list.map(s => s.symbol).sort();
    S.symMeta = {};
    list.forEach(s => {
      S.symMeta[s.symbol] = { base: s.baseAsset, quote: s.quoteAsset };
      const filter = (s.filters || []).find(f => f.filterType === "PRICE_FILTER");
      if (filter && filter.tickSize && parseFloat(filter.tickSize) > 0){
        S.tickSize[s.symbol] = parseFloat(filter.tickSize);
        S.pricePrecision[s.symbol] = tickDecimals(filter.tickSize);
      }
    });
    symLoadTries = 0;
    /* grafik sembol listesi gelmeden kurulduysa fiyat formatını düzelt */
    try{
      if (typeof candleSeries !== "undefined" && candleSeries && S.pricePrecision[S.symbol] != null)
        candleSeries.applyOptions({ priceFormat:{ type:"price", precision:S.pricePrecision[S.symbol], minMove:S.tickSize[S.symbol] } });
    }catch(e){}
    try{ if (typeof renderHud === "function") renderHud(true); }catch(e){}
  }catch(e){
    console.error("exchangeInfo hata:", e);
    if (++symLoadTries <= 5) setTimeout(loadSymbols, Math.min(30000, 2000 * symLoadTries));
  }
}
async function fetchKlines(symbol, interval, limit=600){
  const r = await apiFetch(`/fapi/v1/klines?symbol=${symbol}&interval=${interval}&limit=${limit}`);
  const j = await r.json();
  if (!Array.isArray(j)) throw new Error("Kline REST cevabı geçersiz");
  return j.map(k => ({
    time: k[0]/1000, open:+k[1], high:+k[2], low:+k[3], close:+k[4], volume:+k[5]
  }));
}
/* Veri yokken uygulama çöker değil, DÜRÜST görünür: grafiğin üstünde sebep
   yazan bir şerit çıkar, hangi kaynağın denendiğini söyler. */
function showNoData(msg){
  const el = $("noData");
  if (!el) return;
  const a = activeSrc();
  el.hidden = false;
  $("noDataMsg").innerHTML = `Kaynak: <code>${escapeHtml(a.label)}</code> · ${escapeHtml(String(msg).slice(0,140))}<br>` +
    `Ayarlar &gt; Veri Kaynağı'ndan modu değiştir veya proxy adresi gir.`;
}
function hideNoData(){ const el = $("noData"); if (el) el.hidden = true; }
async function loadKlines(){
  try {
    const fetched = await fetchKlines(S.symbol, S.interval, 600);
    S.lastKlineDataAt = Date.now();
    renderSourceDataAge();
    const intervalSeconds = signalIntervalSeconds(S.interval);
    const nowSeconds = Date.now() / 1000;
    // REST son satırı açık mum olabilir. Motorun yalnızca kapanmış mumda çalışması için dışarıda bırak.
    S.candles = fetched.filter(c => Number.isFinite(c.time) && c.time + intervalSeconds <= nowSeconds);
    renderSettingsPreview();
    if (S.candles.length){ $("lastPrice").textContent = fmt(S.candles[S.candles.length-1].close); hideNoData(); }
    else showNoData("Kapanmış mum verisi henüz yok.");
    return true;
  } catch(e){
    S.dataError = String(e.message || e).slice(0,160);
    showNoData(S.dataError);
    srcLog("Mum verisi alınamadı: " + S.dataError.slice(0,60));
    return false;
  }
}
async function loadOpenInterest(){
  if (!S.settings.rawConfirm) return;
  try{
    const r = await apiFetchOptional(`/fapi/v1/openInterest?symbol=${S.symbol}`);
    const j = r ? await r.json() : null;
    const val = j ? +j.openInterest : NaN;
    if (Number.isFinite(val) && val > 0){
      flow.oiPrev = flow.oi;
      flow.oi = val;
      flow.lastOiTs = Date.now();
      flow.oiChangePct = flow.oiPrev ? ((flow.oi - flow.oiPrev) / flow.oiPrev) * 100 : 0;
    }
  }catch(e){ console.warn("openInterest hata:", e); }
  try{ // markPrice WS gecikirse funding fallback
    if (flow.funding == null || Date.now() - flow.lastMarkTs > 15000){
      const r2 = await apiFetchOptional(`/fapi/v1/premiumIndex?symbol=${S.symbol}`);
      const j2 = r2 ? await r2.json() : null;
      const fr = j2 ? +j2.lastFundingRate : NaN;
      if (Number.isFinite(fr)){ flow.funding = fr; flow.lastFundingTs = Date.now(); }
      if (j2.markPrice) flow.markPrice = +j2.markPrice;
    }
  }catch(e){ /* sessiz */ }
  queueFlowRender();
}
function startOiPolling(){
  clearInterval(S.raw.oiTimer);
  if (!S.settings.rawConfirm) return;
  const sec = clamp(+S.settings.oiPollSec || 30, 15, 300);
  loadOpenInterest();
  S.raw.oiTimer = setInterval(loadOpenInterest, sec * 1000);
}
/* ================= 3. WS INGESTION ================= */
function wsPayload(ev){
  let d; try{ d = JSON.parse(ev.data); }catch(e){ return null; }
  return d && d.data ? d.data : d; // combined-stream sarmalaması gelirse aç
}
function wsConnect(){
  if (S.ws){ S.ws.onclose = null; try{S.ws.close();}catch(e){} S.ws = null; }
  clearTimeout(S.wsTimer);
  const url = wsURL("market", `/ws/${S.symbol.toLowerCase()}@kline_${S.interval}`);
  const ws = new WebSocket(url);
  S.ws = ws;
  ws.onopen = () => {
    const hadRetry = S.wsRetry > 0;
    S.wsRetry = 0; S.wsAlive = true; S.wsLastMsg = Date.now(); renderWsStatus();
    if (hadRetry){
      loadKlines().then(() => { redrawAll(); runEngine(); patternBackfillSymbol(S.symbol).catch(()=>{}); }).catch(()=>{});
    }
  };
  ws.onmessage = ev => {
    S.wsLastMsg = Date.now();
    const d = wsPayload(ev); if (!d || d.e !== "kline") return;
    onKline(d.k);
  };
  ws.onclose = () => { if (S.ws !== ws) return; S.wsAlive = false; renderWsStatus(); scheduleKlineReconnect(); };
  ws.onerror = () => { try{ws.close();}catch(e){} };
}
function scheduleKlineReconnect(){
  if (S.wsRetry === 3) srcRecordFail(activeSrc().id, new Error("kline WS 3 deneme"), SRC_FAIL_LIMIT);
  const delay = Math.min(30000, 1000 * Math.pow(2, S.wsRetry++));
  clearTimeout(S.wsTimer);
  S.wsTimer = setTimeout(wsConnect, delay);
  renderWsStatus(`Kline ${Math.round(delay/1000)}sn sonra`);
}
function startRaw(){
  if (!S.settings.rawConfirm){ stopRaw(); return; }
  connectMarketRaw();
  connectPublicRaw();
  startOiPolling();
}
function stopRaw(){
  clearTimeout(S.raw.marketTimer); clearTimeout(S.raw.publicTimer); clearInterval(S.raw.oiTimer);
  if (S.raw.marketWs){ S.raw.marketWs.onclose = null; try{S.raw.marketWs.close();}catch(e){} S.raw.marketWs = null; }
  if (S.raw.publicWs){ S.raw.publicWs.onclose = null; try{S.raw.publicWs.close();}catch(e){} S.raw.publicWs = null; }
  stopDepthWs();
  S.raw.marketAlive = false; S.raw.publicAlive = false;
  renderWsStatus(); queueFlowRender();
}
function restartRaw(reset=true){
  stopRaw();
  if (reset) resetFlow();
  if (S.settings.rawConfirm) startRaw();
}
function connectMarketRaw(){
  if (!S.settings.rawConfirm) return;
  if (S.raw.marketWs){ S.raw.marketWs.onclose = null; try{S.raw.marketWs.close();}catch(e){} S.raw.marketWs = null; }
  clearTimeout(S.raw.marketTimer);
  const sym = S.symbol.toLowerCase();
  /* markPrice/forceOrder vadeliye özel; spot yedeğinde yalnız aggTrade kalır */
  const fut = activeSrc().futures;
  const streams = [`${sym}@aggTrade`, ...(fut ? [`${sym}@markPrice@1s`, `${sym}@forceOrder`] : [])].join("/");
  const ws = new WebSocket(wsURL("market", `/stream?streams=${streams}`));
  S.raw.marketWs = ws;
  ws.onopen = () => { S.raw.marketRetry = 0; S.raw.marketAlive = true; S.raw.marketLastMsg = Date.now(); renderWsStatus(); };
  ws.onmessage = ev => {
    S.raw.marketLastMsg = Date.now();
    const d = wsPayload(ev); if (!d) return;
    if (d.s && d.s !== S.symbol) return;
    if (d.e === "aggTrade") onAggTrade(d);
    else if (d.e === "markPriceUpdate") onMarkPrice(d);
    else if (d.e === "forceOrder") onForceOrder(d);
  };
  ws.onclose = () => { if (S.raw.marketWs !== ws) return; S.raw.marketAlive = false; renderWsStatus(); scheduleRawReconnect("market"); };
  ws.onerror = () => { try{ws.close();}catch(e){} };
}
function connectPublicRaw(){
  if (!S.settings.rawConfirm) return;
  // full depth: connect diff stream + fetch REST snapshot
  const gen = ++flow.depthGen;
  if (flow.depthWs){ flow.depthWs.onclose = null; try{flow.depthWs.close();}catch(e){} flow.depthWs = null; }
  clearTimeout(S.raw.publicTimer);
  const sym = S.symbol.toLowerCase();
  const ws = new WebSocket(wsURL("public", `/ws/${sym}@depth@100ms`));
  flow.depthWs = ws; S.raw.publicWs = ws;
  ws.onopen = () => { S.raw.publicRetry = 0; S.raw.publicAlive = true; S.raw.publicLastMsg = Date.now(); renderWsStatus(); };
  ws.onmessage = ev => {
    S.raw.publicLastMsg = Date.now();
    let d; try{ d = JSON.parse(ev.data); }catch(e){ return; }
    if (d.data) d = d.data;
    if (!d) return;
    if (!flow.depthSynced){ flow.depthBuffer.push(d); if (flow.depthBuffer.length > 3000) flow.depthBuffer.shift(); return; }
    applyDepthUpdate(d);
  };
  ws.onclose = () => {
    if (flow.depthWs !== ws) return;
    S.raw.publicAlive = false;
    renderWsStatus();
    flow.depthReady = false; flow.depthSynced = false;
    scheduleRawReconnect("public");
  };
  ws.onerror = () => { try{ws.close();}catch(e){} };
  // fetch snapshot & sync
  fetchDepthSnapshot(gen).catch(err => {
    console.warn('depth snapshot failed', err);
    if (gen === flow.depthGen) scheduleDepthReconnect();
  });
}
function scheduleDepthReconnect(){
  const delay = Math.min(30000, 1000 * Math.pow(2, S.raw.publicRetry++));
  clearTimeout(S.raw.publicTimer);
  flow.depthTimer = setTimeout(connectPublicRaw, delay);
  renderWsStatus(`Depth ${Math.round(delay/1000)}sn sonra`);
}
async function fetchDepthSnapshot(gen){
  const r = await apiFetch(`/fapi/v1/depth?symbol=${S.symbol}&limit=1000`);
  if (!r.ok) throw new Error('depth snapshot HTTP ' + r.status);
  const snap = await r.json();
  if (gen !== flow.depthGen || !flow.depthWs) return;
  flow.bidsBook = new Map(); flow.asksBook = new Map();
  (snap.bids||[]).forEach(([p,q]) => { const P=+p,Q=+q; if (Q>0) flow.bidsBook.set(P,Q); });
  (snap.asks||[]).forEach(([p,q]) => { const P=+p,Q=+q; if (Q>0) flow.asksBook.set(P,Q); });
  flow.depthLastUpdate = +snap.lastUpdateId || 0;
  // apply buffered diffs with U <= lastUpdateId+1 and u >= lastUpdateId
  const relevant = [];
  for (const m of flow.depthBuffer){
    const U = +m.U, u = +m.u;
    if (!Number.isFinite(U) || !Number.isFinite(u)) continue;
    if (u < flow.depthLastUpdate + 1) continue;   // already in snapshot
    if (U > flow.depthLastUpdate + 1) {           // gap
      flow.depthBuffer = [];
      return fetchDepthSnapshot(gen);
    }
    relevant.push(m);
  }
  relevant.forEach(m => applyDepthUpdate(m, true));
  flow.depthBuffer = [];
  flow.depthSynced = true; flow.depthReady = true;
  // REST snapshot is a real depth observation even when no buffered diff arrived yet.
  flow.lastDepthTs = Date.now();
  showSyncBadge(false);
  recomputeBest();
  computeObi();
  heatmapSample(true);
  markOverlayDirty(); flowDirty = true;
}
function applyDepthUpdate(m, fromSync){
  const finalId = +m.u;
  if (!fromSync && finalId <= flow.depthLastUpdate) return;
  const now = Date.now();
  // track level ages for spoof detection on levels near top-of-book
  const nearBB = flow.bestBid, nearBA = flow.bestAsk;
  const nearRange = flow.bestAsk * 0.003;
  const upd = (book, arr, side) => {
    for (const x of (arr||[])){
      const P = +x[0], Q = +x[1];
      const oldQ = book.get(P) || 0;
      const oldNotional = P * oldQ;
      const whaleMin = whaleThresholdNotional();
      if (Q === 0){
        if (oldQ > 0){
          // spoof detection: big wall vanished quickly near top
          if (oldNotional >= whaleMin){
            const k = wallKey(P, side);
            const born = flow.wallAges.get(k)?.born || now;
            const age = now - born;
            if (age < SPOOF_MAX_AGE && nearBB && nearBA && Math.abs(P - (side==='B'?nearBB:nearBA))/nearBA < 0.003){
              addFlowEvent('SPOOF?', 'medium', `Spoof silindi ${side==='B'?'BİD':'ASK'} ${compact(oldNotional)} @ ${fmtPrice(P)} (${(age/1000).toFixed(1)}s)`);
            }
          }
          book.delete(P);
          flow.wallAges.delete(wallKey(P, side));
        }
      } else {
        book.set(P, Q);
        const k = wallKey(P, side);
        if (!flow.wallAges.has(k)) flow.wallAges.set(k, {born:now, peak:oldNotional});
        const rec = flow.wallAges.get(k);
        rec.peak = Math.max(rec.peak||0, P*Q);
      }
    }
  };
  upd(flow.bidsBook, m.b, 'B');
  upd(flow.asksBook, m.a, 'A');
  flow.depthLastUpdate = finalId;
  flow.lastDepthTs = now;
  recomputeBest();
  computeObi();
  heatmapSample();
  detectWalls();
  flowDirty = true;
  markOverlayDirty();
}
function recomputeBest(){
  let bb = 0, ba = Infinity;
  for (const p of flow.bidsBook.keys()) if (p > bb) bb = p;
  for (const p of flow.asksBook.keys()) if (p < ba) ba = p;
  flow.bestBid = bb; flow.bestAsk = isFinite(ba) ? ba : 0;
  if (bb && isFinite(ba) && ba > bb){
    flow.spread = ba - bb;
  } else {
    flow.spread = 0;
  }
}
function computeObi(bandPct = 0.01){
  if (!flow.bestBid || !flow.bestAsk) { flow.obi = 0; flow.bidVol = 0; flow.askVol = 0; return; }
  const mid = (flow.bestBid + flow.bestAsk) / 2;
  const lo = mid * (1 - bandPct), hi = mid * (1 + bandPct);
  let bv = 0, av = 0;
  for (const [p,q] of flow.bidsBook){ if (p >= lo) bv += p * q; }
  for (const [p,q] of flow.asksBook){ if (p <= hi) av += p * q; }
  flow.bidVol = bv; flow.askVol = av;
  flow.obi = (bv + av) > 0 ? (bv - av) / (bv + av) : 0;
}
function whaleThresholdNotional(){
  return Math.max(50000, +S.settings.whaleMin || 300000);
}
function detectWalls(){
  if (!flow.bestBid || !flow.bestAsk){ flow.wallCount = {bid:0,ask:0}; flow.walls={bid:[],ask:[]}; return; }
  const now = Date.now();
  const mid = (flow.bestBid + flow.bestAsk)/2;
  const range = mid * 0.003;
  const bids = [], asks = [];
  // group into WALL_TICK_GROUP step bins, aggregate notional
  const bb = flow.bidsBook, aa = flow.asksBook;
  const step = depthTickSize();
  const bin = (map, side, out, sign) => {
    const groups = new Map();
    for (const [p,q] of map){
      if (Math.abs(p - mid) > range) continue;
      const key = Math.round(p/step);
      const agg = groups.get(key) || {price:0, qty:0, n:0};
      agg.price += p*q; agg.qty += q; agg.n++;
      groups.set(key, agg);
    }
    for (const g of groups.values()){
      const p = g.price/g.qty, notional = p*g.qty;
      out.push({side, price:p, notional});
    }
  };
  bin(bb, 'B', bids, 1); bin(aa, 'A', asks, -1);
  const all = [...bids, ...asks];
  if (!all.length){ flow.wallCount = {bid:0,ask:0}; flow.walls={bid:[],ask:[]}; return; }
  // percentile threshold
  const vals = all.map(w=>w.notional);
  vals.sort((a,b)=>a-b);
  const idx = Math.floor(vals.length * ((+S.settings.wallPct||90)/100));
  const thr = vals[Math.min(vals.length-1, idx)] || 0;
  let bidC = 0, askC = 0;
  const selected=all.filter(w=>w.notional>=thr);
  for (const w of selected){
    if (w.side === 'B') bidC++; else askC++;
    const k = wallKey(w.price, w.side);
    if (!flow.wallAges.has(k)) flow.wallAges.set(k, {born:now, peak:w.notional});
  }
  flow.walls={bid:selected.filter(w=>w.side==='B'),ask:selected.filter(w=>w.side==='A')};
  flow.wallCount = {bid:bidC, ask:askC};
}
function scheduleRawReconnect(kind){
  if (!S.settings.rawConfirm) return;
  const key = kind === "market" ? "marketRetry" : "publicRetry";
  const timerKey = kind === "market" ? "marketTimer" : "publicTimer";
  const fn = kind === "market" ? connectMarketRaw : connectPublicRaw;
  if (S.raw[key] === 3) srcRecordFail(activeSrc().id, new Error(kind + " WS 3 deneme"), SRC_FAIL_LIMIT);
  const delay = Math.min(30000, 1000 * Math.pow(2, S.raw[key]++));
  clearTimeout(S.raw[timerKey]);
  S.raw[timerKey] = setTimeout(fn, delay);
  renderWsStatus(`${kind} ${Math.round(delay/1000)}sn sonra`);
}
/* Kaynak durumu: etkin kaynak, bağlantı yaşı ve güven uyarıları. */
function renderCustomSourceFields(){
  const fields=$("customSourceFields");
  if(fields)fields.hidden=S.settings.dataMode!=="ozel";
}
function renderSourceDataAge(){
  const el=$("srcDataAge");if(!el)return;
  const stamps=[S.lastKlineDataAt,S.wsLastMsg,S.raw.marketLastMsg,S.raw.publicLastMsg,
    flow.lastTradeTs,flow.lastDepthTs,flow.lastMarkTs,flow.lastOiTs,flow.lastFundingTs]
    .map(Number).filter(ts=>Number.isFinite(ts)&&ts>0);
  if(!stamps.length){el.textContent="Henüz veri yok";el.dataset.freshness="empty";el.removeAttribute("title");return;}
  const stamp=Math.max(...stamps),age=Math.max(0,Date.now()-stamp),limit=clamp(+S.settings.staleSec||10,5,120)*1000;
  const seconds=Math.floor(age/1000);
  el.textContent=age<1000?"Şimdi":`${seconds} sn önce${age>limit?" · bayat":""}`;
  el.dataset.freshness=age>limit?"stale":"fresh";
  const localTime=new Intl.DateTimeFormat("tr-TR",{timeZone:"Europe/Istanbul",hour:"2-digit",minute:"2-digit",second:"2-digit",hourCycle:"h23"}).format(new Date(stamp));
  el.title=`Son veri alımı (Europe/Istanbul): ${localTime}`;
}
function renderSrcStatus(){
  const el=$("srcStatus"),warn=$("srcWarn");
  renderCustomSourceFields();renderSourceDataAge();
  if(!el)return;
  const a=activeSrc();
  const failures=Object.keys(srcState.fail).filter(k=>srcState.fail[k]).map(k=>`${(SRC_DEFS[k]||{tag:k}).tag}:${srcState.fail[k]} hata`);
  el.textContent=a.label+(failures.length?` · ${failures.join(" · ")}`:"");
  if(warn){
    const parts=[],apiTemplate=/\{url\}/i.test(String(S.settings.apiBase||""));
    if(S.settings.dataMode==="auto")parts.push("Sıra: özel adres → birincil → spot yedek → vadeli testnet. Çalışan kaynak hatırlanır.");
    if(!a.futures)parts.push("<b>Spot yedek:</b> fiyatlar gerçek ama açık pozisyon (OI), funding ve likidasyon akışı yok — ilgili alanlar boş kalır.");
    if(a.testnet||S.settings.dataMode==="testnet")parts.push("<b>Testnet uyarısı:</b> bu uçtaki fiyatlar gerçek piyasa fiyatı değildir; canlı işlem veya performans kanıtı olarak kullanma.");
    if(a.id==="ozel"){
      parts.push("Özel adres aktif: istekler yapılandırdığın proxy üzerinden geçiyor."+
        (S.settings.apiBaseShape==="spot"?" <b>Spot şekli:</b> OI/funding/likidasyon verisi yok.":""));
      if(apiTemplate)parts.push("<b>Üçüncü taraf relay uyarısı:</b> {url} şablonu tam REST hedef URL'sini relay sağlayıcısına iletir; sağlayıcı istekleri görebilir veya kaydedebilir. Yalnız güvendiğin relay'i kullan.");
    }
    warn.innerHTML=parts.join("<br>");
    warn.classList.toggle("settingsSourceAlert",!!(a.testnet||S.settings.dataMode==="testnet"||!a.futures||(a.id==="ozel"&&apiTemplate)));
  }
}
async function testSources(){
  const out = $("srcTestOut");
  if (!out) return;
  out.textContent = "Test ediliyor…";
  const rows = [];
  for (const src of srcCandidates()){
    const t0 = Date.now();
    try {
      const turl = restURLFor(src, "/fapi/v1/klines?symbol=" + S.symbol + "&interval=1m&limit=2");
      if (!turl){ rows.push(`– ${src.label} — bu uç bu kaynakta yok`); continue; }
      const r = await fetchTimeout(turl, 6000);
      const j = await r.json();
      const ok = r.ok && Array.isArray(j) && Array.isArray(j[0]);
      /* emoji yerine metin işareti: her fontta çizilir (emoji fontu olmayan cihazlarda kutu çıkmıyor) */
      rows.push(`${ok ? "✓" : "✗"} ${escapeHtml(src.label)} — ${r.status} · ${Date.now()-t0} ms${ok ? " · mum " + j.length : ""}`);
    } catch(e){
      rows.push(`✗ ${escapeHtml(src.label)} — ${escapeHtml(String(e.message || e).slice(0,50))} · ${Date.now()-t0} ms`);
    }
  }
  out.innerHTML = rows.join("<br>");
}
function renderWsStatus(extra=""){
  const parts = [S.wsAlive ? "Kline✓" : "Kline×"];
  if (S.settings.rawConfirm){
    parts.push(S.raw.marketAlive ? "Market✓" : "Market×");
    parts.push(S.raw.publicAlive ? (flow.depthSynced?"Depth✓":"Depth…") : "Depth×");
  } else parts.push("Raw kapalı");
  if (extra) parts.push(extra);
  if ($("wsText")) $("wsText").textContent = parts.join(" | ");
  renderSrcStatus();
  renderSourceDataAge();
  renderRawFlowConnection();
  const ok = S.wsAlive && (!S.settings.rawConfirm || (S.raw.marketAlive && S.raw.publicAlive && flow.depthSynced));
  const chip = $("wsDot");
  if (chip){
    /* 3.3: labelled states instead of a bare colour dot */
    const h = wsHealth();
    chip.textContent = h.text;
    chip.className = "hit44 " + h.cls;
    chip.title = parts.join(" | ");
  }
  if (typeof renderStaleStrip === "function") renderStaleStrip();
}
function wsHealth(){
  const raw = S.settings.rawConfirm;
  const a = activeSrc();
  /* yedek kaynak gizlenmez: çip hangi kaynaktan beslendiğimizi söyler */
  const tag = a.id === "birincil" ? "" : " · " + a.tag;
  if (!S.wsAlive) return { key:"dead", text:"Kopuk", cls:"" };
  if (a.testnet) return { key:"sync", text:"Testnet", cls:"sync" };
  if (a.id === "ozel") return { key:"sync", text:(raw && (!S.raw.marketAlive || !S.raw.publicAlive) ? "Senkron" : "Canlı") + tag, cls:"sync" };
  if (!a.futures) return { key:"sync", text:(raw && (!S.raw.marketAlive || !S.raw.publicAlive) ? "Senkron" : "Canlı") + tag, cls:"sync" };
  if (raw && (!S.raw.marketAlive || !S.raw.publicAlive)) return { key:"dead", text:"Kopuk", cls:"" };
  if (raw && (!flow.depthSynced || !flow.depthReady)) return { key:"sync", text:"Senkron", cls:"sync" };
  return { key:"live", text:"Canlı", cls:"on" };
}
function renderStaleStrip(){
  const el = $("staleStrip");
  if (!el) return;
  const lastMsg = Math.max(S.wsLastMsg || 0, S.raw.marketLastMsg || 0, flow.lastTradeTs || 0);
  const age = lastMsg ? Date.now() - lastMsg : 0;
  const limit = clamp(+S.settings.staleSec || 10, 5, 120) * 1000;
  const stale = lastMsg > 0 && age > limit;
  hud.dataStale = stale;
  if (!stale){ if (!el.hidden) el.hidden = true; return; }
  el.hidden = false;
  el.textContent = `Bayat veri — son güncelleme ${Math.round(age / 1000)} sn önce`;
}
setInterval(renderSourceDataAge, 1000);
setInterval(() => {                       // sessiz kopma bekçisi
  const now = Date.now();
  if (S.wsAlive && now - S.wsLastMsg > 45000){ try{S.ws.close();}catch(e){} }
  if (S.settings.rawConfirm && S.raw.marketAlive && now - S.raw.marketLastMsg > 30000){ try{S.raw.marketWs.close();}catch(e){} }
  if (S.settings.rawConfirm && S.raw.publicAlive && now - S.raw.publicLastMsg > 30000){ try{S.raw.publicWs.close();}catch(e){} }
}, 10000);
function onKline(k){
  S.lastKlineDataAt = Date.now();
  renderSourceDataAge();
  const c = { time:k.t/1000, open:+k.o, high:+k.h, low:+k.l, close:+k.c, volume:+k.v };
  const last = S.candles[S.candles.length-1];
  if (last && last.time === c.time) S.candles[S.candles.length-1] = c;
  else { S.candles.push(c); if (S.candles.length > 700) S.candles.shift(); }
  scheduleLiveUpdate(c);
  renderSettingsPreview();
  $("lastPrice").textContent = fmt(c.close);
  if (k.x){
    runEngineAndRedraw();          // sadece confirmed close'ta motor çalışır
    patternPoolOnClosedCandle(S.symbol, S.interval, S.candles).catch(e => console.warn("pattern closed hata", e));
  }
  updateSignalLifecycles(c.close, "kline", Date.now());
  if(k.x) signalHistoryUpdateForCandles(S.symbol,S.interval,S.candles).catch(e=>console.warn("10/20 mum geçmişi güncellenemedi",e));
}
/* ================= 4. RAW FLOW INGESTION ================= */
function resetFlow(){
  flow.trades = []; flow.liqs = []; flow.markers = []; flow.eventMarkers = []; flow.events = [];
  flow.startedAt = Date.now(); flow.cvd = 0; flow.obi = 0; flow.bidVol = 0; flow.askVol = 0;
  flow.oi = null; flow.oiPrev = null; flow.oiChangePct = 0; flow.funding = null; flow.markPrice = null; flow.nextFunding = null;
  flow.bestBid = 0; flow.bestAsk = 0; flow.spread = 0;
  flow.bidsBook = new Map(); flow.asksBook = new Map();
  flow.lastTradeTs = 0; flow.lastDepthTs = 0; flow.lastMarkTs = 0; flow.lastOiTs = 0; flow.lastFundingTs = 0;
  flow.heatmapFrames = []; flow.lastHeatSample = 0;
  flow.metricHistory = {cvd:[],obi:[],oi:[],funding:[],liq:[],spread:[],connection:[],walls:[]}; flow.lastMetricSampleAt = 0;
  flow.walls = {bid:[],ask:[]}; flow.wallAges = new Map(); flow.wallCount = {bid:0,ask:0};
  flow.lastWhale = 0; flow.lastSweep = 0; flow.lastAbsorb = 0; flow.lastBurst = 0;
  flow.depthReady = false; flow.depthSynced = false; flow.depthLastUpdate = 0; flow.depthBuffer = [];
  stopDepthWs();
  queueFlowRender(); redrawMarkers(); markOverlayDirty();
}
function stopDepthWs(){
  clearTimeout(flow.depthTimer);
  if (flow.depthWs){ try{ flow.depthWs.close(); }catch(e){} flow.depthWs = null; }
  flow.depthReady = false; flow.depthSynced = false;
}
function depthTickSize(){
  const ts = S.tickSize[S.symbol] || 0.01;
  return Math.max(Number.EPSILON, ts * WALL_TICK_GROUP);
}
function wallKey(price, side){
  const step = depthTickSize();
  return S.symbol + '|' + side + '|' + Math.round(price / step);
}
function showSyncBadge(show){
  const el = $('sync-badge');
  if (el) el.style.display = show ? 'block' : 'none';
}
function pruneFlow(){
  const cutoff = Date.now() - 10*60*1000;
  while (flow.trades.length && flow.trades[0].ts < cutoff) flow.trades.shift();
  while (flow.liqs.length && flow.liqs[0].ts < cutoff) flow.liqs.shift();
  if (flow.trades.length > 8000) flow.trades.splice(0, flow.trades.length - 8000);
  if (flow.liqs.length > 500) flow.liqs.splice(0, flow.liqs.length - 500);
}
function onAggTrade(d){
  const ts = +d.T || +d.E || Date.now();
  const price = +d.p, qty = +d.q;
  if (!Number.isFinite(price) || !Number.isFinite(qty) || price <= 0 || qty <= 0) return;
  const notional = price * qty;
  const isSell = !!d.m;
  const delta = isSell ? -notional : notional;
  flow.cvd += delta;
  flow.lastTradeTs = ts;
  flow.trades.push({ts, price, delta, notional, side:isSell?'sell':'buy'});
  updateSignalLifecycles(price, "aggTrade", Date.now());
  pruneFlow();
  // Whale & order-flow detection
  if (S.settings.whaleAlerts){
    const wmin = whaleThresholdNotional();
    if (notional >= wmin && ts - flow.lastWhale > 2500){
      flow.lastWhale = ts;
      const side = isSell ? 'SELL' : 'BUY';
      addFlowEvent('WHALE', notional >= wmin*2 ? 'high' : 'medium',
        `Whale ${side} ${compact(notional)} @ ${fmtPrice(price)}`, isSell?'sell':'buy');
      addWhaleMarker(price, isSell?'aboveBar':'belowBar', isSell?'var(--down)':'var(--up', `WHALE ${side} ${compact(notional)}`);
    }
    // Sweep: 1.8s window, >=4 trades same side, total >= wmin*1.8
    detectSweep(ts, wmin);
    // Absorption
    detectAbsorption(ts, wmin);
    // Delta burst
    detectDeltaBurst(ts, wmin);
  }
  flowDirty = true;
  queueFlowRender();
}
function addWhaleMarker(price, position, color, text){
  const t = markerTime(Date.now());
  flow.eventMarkers.push({time:t, position, color, shape:'circle', size:1, kind:'whale', price, text});
  if (flow.eventMarkers.length > 60) flow.eventMarkers.shift();
  redrawMarkers();
}
function detectSweep(now, wmin){
  if (now - flow.lastSweep < 6000) return;
  const win = flow.trades.filter(t=>now-t.ts<1800);
  for (const side of ['buy','sell']){
    const same = win.filter(t=>t.side===side);
    const total = same.reduce((a,t)=>a+t.notional,0);
    if (total > wmin*1.8 && same.length >= 4){
      flow.lastSweep = now;
      addFlowEvent('SWEEP','high',`SWEEP ${side.toUpperCase()} ${compact(total)} / ${same.length} işlem`, side);
      break;
    }
  }
}
function detectAbsorption(now, wmin){
  if (now - flow.lastAbsorb < 12000 || flow.trades.length < 8) return;
  const win = flow.trades.filter(t=>now-t.ts<10000);
  if (win.length < 6) return;
  const total = Math.abs(win.reduce((a,t)=>a+t.delta,0));
  const first=win[0].price, last=win[win.length-1].price;
  const move = first ? Math.abs(last-first)/first : 1;
  if (total > wmin*2.2 && move < 0.00035){
    flow.lastAbsorb = now;
    addFlowEvent('ABSORPTION?','medium',`Absorpsiyon: delta ${compact(total)} ama fiyat yatay (${(move*100).toFixed(3)}%)`);
  }
}
function detectDeltaBurst(now, wmin){
  if (now - flow.lastBurst < 15000) return;
  const sl = cvdSlope(60000);
  if (Math.abs(sl) > wmin*2.5){
    flow.lastBurst = now;
    const side = sl > 0 ? 'BUY' : 'SELL';
    addFlowEvent('DELTA BURST','high',`Delta burst ${side} ${compact(Math.abs(sl))}/dk`, side.toLowerCase());
  }
}
function cvdSlope(windowMs = 180000){
  const now = Date.now();
  const recent = flow.trades.filter(t=>{ const age=now-t.ts; return age>=0 && age<windowMs; });
  if (!recent.length) return 0;
  return recent.reduce((sum,t)=>sum+t.delta,0) / (windowMs/60000);
}
let flowEventFilter="all";
function addFlowEvent(type,sev,text,side){
  const ev={type,sev,text,ts:Date.now(),side};
  flow.events.unshift(ev); flow.events=flow.events.slice(0,40); renderFlowLog();
}
function flowEventRelation(ev){
  const rec=(engine.activeSignals||[]).find(x=>x.lifecycleState==="AKTIF"&&x.symbol===S.symbol&&x.interval===S.interval);
  if(!rec) return {state:"neutral",label:"Yönsüz · aktif sinyal yok"};
  const side=String(ev.side||"").toLowerCase();
  if(!["buy","sell"].includes(side)) return {state:"neutral",label:"Yönsüz"};
  const supports=(rec.dir==="AL"&&side==="buy")||(rec.dir==="SAT"&&side==="sell");
  return supports?{state:"support",label:"Sinyali destekler"}:{state:"against",label:"Sinyale ters"};
}
function bindSignalFlowFilters(){
  document.querySelectorAll("#flowEventsCard [data-flow-filter]").forEach(btn=>{
    btn.onclick=()=>{flowEventFilter=btn.dataset.flowFilter;document.querySelectorAll("#flowEventsCard [data-flow-filter]").forEach(x=>x.classList.toggle("active",x===btn));renderFlowLog();};
  });
}
function renderFlowLog(){
  const el=$("flowLog"); if(!el) return;
  if(!flow.events.length){
    const msg=!S.settings.rawConfirm?"Raw flow kapalı; Ayarlar'dan açınca gerçek WS olayları burada görünür.":
      (S.raw.marketAlive?"Gerçek bağlantı açık; henüz olay oluşmadı. Eşik aşan whale, sweep, absorpsiyon veya likidasyon bekleniyor.":"Gerçek olay akışı bekleniyor; Market WS bağlanınca olaylar burada görünür.");
    el.innerHTML=`<div class="emptyState">${escapeHtml(msg)}</div>`; return;
  }
  const groups=new Map();
  flow.events.forEach(ev=>{
    const relation=flowEventRelation(ev);
    if(flowEventFilter==="support"&&relation.state!=="support") return;
    if(flowEventFilter==="against"&&relation.state!=="against") return;
    const key=`${ev.type||"Olay"}|${String(ev.side||"").toLowerCase()}|${relation.state}`;
    const g=groups.get(key)||{type:ev.type||"Olay",side:ev.side,relation,events:[],severity:"low"};
    g.events.push(ev);
    if(({low:0,medium:1,high:2}[ev.sev]||0)>({low:0,medium:1,high:2}[g.severity]||0)) g.severity=ev.sev;
    groups.set(key,g);
  });
  const list=[...groups.values()].sort((a,b)=>(b.events[0]?.ts||0)-(a.events[0]?.ts||0)).slice(0,12);
  if(!list.length){el.innerHTML=`<div class="emptyState">${flowEventFilter==="support"?"Aktif sinyal yönünü destekleyen olay yok.":"Aktif sinyal yönüne ters olay yok."} Akış verisi gerçek zamanlı izleniyor.</div>`;return;}
  const sevLabel={high:"Yüksek",medium:"Orta",low:"Düşük"};
  el.innerHTML=list.map(g=>{
    const last=g.events[0],time=new Date(last.ts).toLocaleTimeString("tr-TR",{hour:"2-digit",minute:"2-digit",second:"2-digit"});
    const count=g.events.length;
    return `<div class="flowEvent"><div class="flowEventHead"><b>${escapeHtml(g.type)}${count>1?` ×${count}`:""}</b>`+
      `<span class="severityBadge ${g.severity}">${sevLabel[g.severity]||"Düşük"} şiddet</span>`+
      `<span class="flowRelation ${g.relation.state}">${g.relation.label}</span>`+
      `<time>${time}</time></div><div>${escapeHtml(last.text)}${count>1?` · son ${count} aynı tür olay`:""}</div></div>`;
  }).join("");
}
/* ===== Heatmap sampling/drawing ===== */
function heatmapSample(force){
  if (!S.settings.showHeatmap || !flow.depthReady) return;
  const now = Date.now();
  if (!force && now - flow.lastHeatSample < HEAT_SAMPLE_MS) return;
  flow.lastHeatSample = now;
  const step = depthTickSize();
  const mid = flow.bestAsk && flow.bestBid ? (flow.bestBid+flow.bestAsk)/2 : 0;
  if (!mid) return;
  const byKey = new Map();
  const add = (side, p, q) => {
    const k = side+'|'+Math.round(p/step), price=Math.round(p/step)*step, n=p*q;
    if (n <= 0) return;
    const old = byKey.get(k);
    if (old){ old.notional += n; old.price = (old.price + price)/2; }
    else byKey.set(k,{side,price,notional:n});
  };
  for (const [p,q] of flow.bidsBook){ if (Math.abs(p-mid)/mid < 0.01) add('B',p,q); }
  for (const [p,q] of flow.asksBook){ if (Math.abs(p-mid)/mid < 0.01) add('A',p,q); }
  let bins = [...byKey.values()];
  if (!bins.length) return;
  bins.sort((a,b)=>b.notional-a.notional);
  const max = bins[0].notional, cut = max*0.035;
  bins = bins.filter(b=>b.notional>=cut).slice(0, HEAT_MAX_BINS);
  flow.heatmapFrames.push({t:Math.floor(now/1000), bins, max});
  const minT = Math.floor(now/1000) - HEAT_WINDOW_SEC;
  while (flow.heatmapFrames.length && flow.heatmapFrames[0].t < minT) flow.heatmapFrames.shift();
}
/* Canvas'a width/height atamak onu TAMAMEN yeniden ayırır ve temizler. Eskiden her
   karede yapılıyordu (ölçüm: ısı çiziminin maliyetinin önemli kısmı buydu).
   Artık yalnızca boyut/dpr gerçekten değiştiğinde yeniden boyutlandırılır. */
const cvFit = new WeakMap();
function fitCanvas(cv, ctx, dpr){
  const w = cv.clientWidth, h = cv.clientHeight;
  const wantW = Math.max(1, Math.round(w * dpr)), wantH = Math.max(1, Math.round(h * dpr));
  const st = cvFit.get(cv);
  if (!st || st.w !== wantW || st.h !== wantH){
    cv.width = wantW; cv.height = wantH;
    ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    cvFit.set(cv, { w: wantW, h: wantH });
  }
  return { w, h };
}
/* Fiyat → y dönüşümü: light-charts'ta fiyat ölçeği normal ise y = a·p + b,
   logaritmik ise y = a·ln(p) + b. İki referans noktasıyla afin katsayıları
   bir kez hesaplanır → kutu başına priceToCoordinate çağrısı kalkar
   (ölçüm: 66.000 çağrı → 2 çağrı + aritmetik). */
function priceToYFn(h){
  const pTop = candleSeries.coordinateToPrice(0);
  const pBot = candleSeries.coordinateToPrice(h);
  if (!Number.isFinite(pTop) || !Number.isFinite(pBot) || pTop === pBot) return null;
  let mode = 0;
  try { mode = chart.priceScale("right").options().mode | 0; } catch(e){}
  if (mode === 1 && pTop > 0 && pBot > 0){
    const lt = Math.log(pTop), lb = Math.log(pBot), inv = h / (lt - lb);
    return p => (lt - Math.log(p)) * inv;
  }
  const inv = h / (pTop - pBot);
  return p => (pTop - p) * inv;
}
function drawHeatmap(){
  if (!ctxH || !candleSeries || !chart) return;
  const dpr = window.devicePixelRatio||1;
  const { w, h } = fitCanvas(heatCv, ctxH, dpr);
  ctxH.clearRect(0,0,w,h);
  if (!S.settings.showHeatmap || !flow.heatmapFrames.length || !flow.depthReady) return;
  const axisW = Math.max(0, Math.ceil(chart.priceScale('right').width?.()||88));
  const chartRight = Math.max(0, w - axisW);
  const ts = chart.timeScale(), step = intervalSec(S.interval), nowT = Math.floor(Date.now()/1000);
  const timeToX = t => {
    let x = ts.timeToCoordinate(t);
    if (x != null) return x;
    const a = S.candles.at(-2), b = S.candles.at(-1);
    if (!a || !b) return null;
    const ax = ts.timeToCoordinate(a.time), bx = ts.timeToCoordinate(b.time);
    if (ax==null||bx==null) return null;
    return bx + ((t-b.time)/step)*((bx-ax)/Math.max(1,(b.time-a.time)/step));
  };
  const frames = flow.heatmapFrames, nF = frames.length;
  /* x koordinatları: ölçüm, kare başına timeToCoordinate çağrısının kalan en
     büyük maliyet olduğunu gösterdi. Zaman ölçeği mum indeksine göre doğrusal
     olduğundan x(t) = xB + (t - tB)·(px/sn) afin dönüşümü yeterli; yalnızca
     ilk/son karede gerçek koordinatla karşılaştırılıp sapma > 2 px ise
     güvenli yola (kare başına çağrı) düşülür. */
  const xs = new Array(nF + 1);
  const xAffine = (() => {
    const a = S.candles.at(-2), b = S.candles.at(-1);
    if (!a || !b) return null;
    const ax = ts.timeToCoordinate(a.time), bx = ts.timeToCoordinate(b.time);
    if (ax == null || bx == null) return null;
    const pxPerSec = (bx - ax) / Math.max(1, b.time - a.time);
    return t => bx + (t - b.time) * pxPerSec;
  })();
  let useAffine = !!xAffine;
  if (useAffine && nF){
    const probe = timeToX(frames[0].t);
    const fast = xAffine(frames[0].t);
    if (probe != null && Math.abs(fast - probe) > 2) useAffine = false;   // veri aralıklı olabilir
  }
  for (let i = 0; i < nF; i++) xs[i] = useAffine ? xAffine(frames[i].t) : timeToX(frames[i].t);
  xs[nF] = useAffine ? xAffine(nowT) : timeToX(nowT);
  const yOf = priceToYFn(h);
  /* Sampled heat frames are 1 s apart; when zoomed out their columns collapse to
     sub-pixel width. Drawing every column then is pure waste, so skip frames until
     a column is at least ~1.2 px wide (newest frame is always drawn). */
  let step2 = 1;
  if (nF > 2 && xs[nF-1] != null && xs[0] != null){
    const avg = Math.abs(xs[nF-1] - xs[0]) / Math.max(1, nF - 1);
    if (avg > 0 && avg < 1.2) step2 = Math.min(8, Math.ceil(1.2 / avg));
  }
  /* alfa 6 kovaya yuvarlanır → 66.000 fillStyle ataması yerine 12 dolgu yolu */
  /* Eski çizim üst üste binen hücrelerde alfa BİRİKTİRİYORDU (aynı hücreyi her
     karede tekrar boyamak yoğunluk katıyordu). Toplu çizim bunu kaybettiği için
     temel alfa hafif yükseltildi — görsel yoğunluk ölçümle eşitlendi. */
  const BUCKETS = 6, TOP = .48;
  const rects = { B: [], A: [] };
  for (let i = 0; i < nF; i += step2){
    const x = xs[i]; if (x == null || x > chartRight || x < -80) continue;
    let x2 = (i + 1 < nF && xs[i+1] != null) ? xs[i+1] : (xs[nF] != null ? xs[nF] : x + 2);
    const colW = Math.max(1, Math.min(18, Math.abs(x2 - x) + 1));
    const hh = Math.max(2, Math.min(7, colW * 0.65));
    const x0 = Math.max(0, x), wcol = Math.min(colW, chartRight - x0);
    if (wcol <= 0) continue;
    const f = frames[i], maxLog = Math.log1p(f.max || 1);
    const bins = f.bins;
    for (let k = 0; k < bins.length; k++){
      const b = bins[k];
      const y = yOf ? yOf(b.price) : candleSeries.priceToCoordinate(b.price);
      if (y == null || y < -4 || y > h + 4) continue;
      const power = Math.log1p(b.notional) / maxLog;
      const a = Math.min(TOP, .05 + power * .34);
      const bk = a >= TOP ? BUCKETS - 1 : Math.floor((a - .05) / (TOP - .05) * BUCKETS);
      rects[b.side === "B" ? "B" : "A"].push((bk < 0 ? 0 : bk), x0, y - hh/2, wcol, hh);
    }
  }
  for (const side of ["B","A"]){
    const arr = rects[side];
    if (!arr.length) continue;
    const rgb = side === "B" ? "38,166,154" : "239,83,80";
    for (let bk = 0; bk < BUCKETS; bk++){
      const alpha = (.05 + (bk + .5) / BUCKETS * (TOP - .05)).toFixed(3);
      let started = false;
      for (let p = 0; p < arr.length; p += 5){
        if (arr[p] !== bk) continue;
        if (!started){ ctxH.beginPath(); ctxH.fillStyle = `rgba(${rgb},${alpha})`; started = true; }
        ctxH.rect(arr[p+1], arr[p+2], arr[p+3], arr[p+4]);
      }
      if (started) ctxH.fill();
    }
  }
}
/* ===== DOM Ladder overlay drawing ===== */
function drawDepthOverlay(){
  if (!ctxO || !candleSeries || !chart) return;
  const dpr = window.devicePixelRatio||1;
  const w = overlayCv.clientWidth, h = overlayCv.clientHeight;
  overlayCv.width = w*dpr; overlayCv.height = h*dpr;
  ctxO.setTransform(dpr,0,0,dpr,0,0);
  ctxO.clearRect(0,0,w,h);
  if (!flow.depthReady) return;
  const axisW = Math.max(0, Math.ceil(chart.priceScale('right').width?.()||88));
  const chartRight = Math.max(0, w - axisW);
  const showLadder = S.settings.showLadder;
  const ladderW = showLadder ? Math.min(72, Math.max(28, LADDER_DEFAULT_W)) : 0;
  const ladderX = Math.max(0, chartRight - ladderW);
  const effLadderW = Math.max(0, chartRight - ladderX);
  const rayEnd = Math.max(8, ladderX - 8);
  const rayLeft = Math.max(0, Math.min(rayEnd-18, rayEnd-92));
  const raySpan = Math.max(1, rayEnd - rayLeft);
  const rows = Math.ceil(h / DEPTH_BIN_PX);
  if (rows <= 0 || chartRight <= 0) return;
  const pTop = candleSeries.coordinateToPrice(0), pBot = candleSeries.coordinateToPrice(h);
  const bidBins = new Float64Array(rows), askBins = new Float64Array(rows);
  const priceToRow = p => {
    const y = candleSeries.priceToCoordinate(p);
    if (y==null || y<0 || y>h) return -1;
    return Math.min(rows-1, Math.max(0, Math.floor(y/DEPTH_BIN_PX)));
  };
  for (const [p,q] of flow.bidsBook){ const i = priceToRow(p); if (i>=0) bidBins[i] += p*q; }
  for (const [p,q] of flow.asksBook){ const i = priceToRow(p); if (i>=0) askBins[i] += p*q; }
  let maxN=0, nz=[];
  for (let i=0;i<rows;i++){ const v = Math.max(bidBins[i], askBins[i]); if (v>0){ nz.push(v); if (v>maxN) maxN = v; } }
  if (maxN === 0) return;
  const pct = (+S.settings.wallPct||90)/100;
  const vals = nz.slice().sort((a,b)=>a-b);
  const pIdx = Math.floor(vals.length*pct);
  const threshold = vals[Math.min(vals.length-1, pIdx)] || 0;
  const logMax = Math.log1p(maxN);
  const now = Date.now();
  const blocked = [[8,26]]; // status pill + sync badge area
  // Ladder fill
  if (showLadder && effLadderW >= 16){
    for (let i=0;i<rows;i++){
      const isBid = bidBins[i] >= askBins[i], notional = isBid?bidBins[i]:askBins[i];
      if (notional<=0) continue;
      const y = i*DEPTH_BIN_PX, intensity = Math.log1p(notional)/logMax;
      ctxO.fillStyle = isBid
        ? `rgba(38,166,154,${(0.05+intensity*.55).toFixed(2)})`
        : `rgba(239,83,80,${(0.05+intensity*.55).toFixed(2)})`;
      ctxO.fillRect(ladderX, y, Math.min(effLadderW, effLadderW*intensity), DEPTH_BIN_PX);
    }
  }
  // Wall detection/ray drawing
  let i = 0; const walls = [];
  while(i<rows){
    const b=bidBins[i],a=askBins[i], side = b>=a?'B':'A', v = side==='B'?b:a;
    if (v < threshold || v<=0){ i++; continue; }
    let start=i, end=i, sum=0, wy=0, peak=0, dom=side;
    while(end<rows){
      const bb=bidBins[end],aa=askBins[end],s=bb>=aa?'B':'A',nv=s==='B'?bb:aa;
      if (s!==dom || nv<threshold || nv<=0) break;
      const yy=end*DEPTH_BIN_PX+DEPTH_BIN_PX/2; sum+=nv; wy+=yy*nv;
      peak = Math.max(peak, nv);
      end++;
    }
    const y = sum?wy/sum:start*DEPTH_BIN_PX+DEPTH_BIN_PX/2;
    let price = candleSeries.coordinateToPrice(y);
    if (price == null && pTop != null){ price = pTop - y*((pTop-pBot)/h); }
    walls.push({side, start, end:end-1, y, price, notional:sum});
    i=end;
  }
  const labeled = [];
  const maxLabels = 10;
  walls.sort((a,b)=>b.notional-a.notional).slice(0,maxLabels).forEach(w=>{
    if (labeled.some(y=>Math.abs(y-w.y)<12)) return;
    const rgb = w.side==='B'?'38,166,154':'239,83,80';
    const intensity = Math.log1p(w.notional)/logMax;
    const k = wallKey(w.price, w.side);
    const rec = flow.wallAges.get(k);
    const established = rec && now - rec.born > WALL_MIN_AGE;
    const alpha = Math.min(1, (established?.38:.18) + intensity*.34);
    const y0 = w.start*DEPTH_BIN_PX, hh = (w.end-w.start+1)*DEPTH_BIN_PX;
    const grad = ctxO.createLinearGradient(rayLeft,y0,rayEnd,y0);
    grad.addColorStop(0,`rgba(${rgb},0)`);
    grad.addColorStop(.55,`rgba(${rgb},${(alpha*.3).toFixed(2)})`);
    grad.addColorStop(1,`rgba(${rgb},${alpha.toFixed(2)})`);
    ctxO.fillStyle = grad; ctxO.fillRect(rayLeft,y0,raySpan,hh);
    const label = compact(w.notional) + (established?' ⏱':'');
    ctxO.font=(established?'bold ':'')+'11px monospace'; ctxO.textAlign='right';
    let placed = w.y+3;
    let tries=0;
    while(tries<7 && (labeled.some(y=>Math.abs(y-placed)<15) || blocked.some(([a,b])=>placed>=a&&placed<=b))){ placed += 15; tries++; }
    if (placed < h-9){
      ctxO.fillStyle=themeVar('--canvas-label-bg');
      const tw = ctxO.measureText(label).width;
      ctxO.fillRect(Math.max(rayLeft, rayEnd-tw-4), placed-11, Math.min(tw+9, raySpan), 13);
      ctxO.fillStyle = w.side==='B'?'#26a69a':'#ef5350';
      ctxO.fillText(label, rayEnd, placed);
      labeled.push(placed);
    }
  });
  // Mid line & spread zone
  if (flow.bestBid && flow.bestAsk && isFinite(flow.bestAsk)){
    const mid = (flow.bestBid+flow.bestAsk)/2;
    const my = candleSeries.priceToCoordinate(mid), by = candleSeries.priceToCoordinate(flow.bestBid), ay = candleSeries.priceToCoordinate(flow.bestAsk);
    if (by!=null && ay!=null){
      ctxO.fillStyle='rgba(76,140,224,.08)';
      ctxO.fillRect(rayLeft, Math.min(by,ay), raySpan, Math.max(1,Math.abs(by-ay)));
    }
    if (my!=null && my>=0 && my<=h){
      ctxO.save(); ctxO.setLineDash([5,5]); ctxO.strokeStyle=themeVar('--canvas-mid-line'); ctxO.lineWidth=1;
      ctxO.beginPath(); ctxO.moveTo(rayLeft,my); ctxO.lineTo(rayEnd,my); ctxO.stroke(); ctxO.setLineDash([]);
      ctxO.font='800 11px monospace'; ctxO.textAlign='right'; ctxO.fillStyle=themeVar('--canvas-mid-text');
      ctxO.fillText('MID', rayEnd-2, Math.max(10,Math.min(h-3,my-3)));
      ctxO.restore();
    }
    // last price dashed
    const last = latestTradePrice || S.candles.at(-1)?.close;
    if (last){
      const py = candleSeries.priceToCoordinate(last);
      if (py!=null && py>=0 && py<=h){
        const up = last > mid;
        ctxO.save(); ctxO.setLineDash([2,4]);
        ctxO.strokeStyle = up ? 'rgba(38,166,154,.45)' : 'rgba(239,83,80,.45)';
        ctxO.beginPath(); ctxO.moveTo(Math.max(rayLeft, rayEnd-28), py); ctxO.lineTo(rayEnd, py); ctxO.stroke();
        ctxO.restore();
      }
    }
  }
}
let latestTradePrice = null;
let flowDirty = false, overlayDirty = false;
function markOverlayDirty(){ overlayDirty = true; }
function renderOverlayFrame(){
  if (overlayDirty){
    overlayDirty = false;
    drawHeatmap();
    drawDepthOverlay();
  }
  requestAnimationFrame(renderOverlayFrame);
}
requestAnimationFrame(renderOverlayFrame);
function onDepth(d){
  let bid = 0, ask = 0;
  (d.b || []).slice(0,20).forEach(x => { bid += (+x[0] || 0) * (+x[1] || 0); });
  (d.a || []).slice(0,20).forEach(x => { ask += (+x[0] || 0) * (+x[1] || 0); });
  flow.bidVol = bid; flow.askVol = ask;
  flow.obi = (bid + ask) > 0 ? (bid - ask) / (bid + ask) : 0;
  flow.lastDepthTs = +d.E || Date.now();
  queueFlowRender();
}
function onMarkPrice(d){
  const fr = +d.r, mp = +d.p;
  if (Number.isFinite(fr)){ flow.funding = fr; flow.lastFundingTs = +d.E || Date.now(); }
  if (Number.isFinite(mp)) flow.markPrice = mp;
  if (d.T) flow.nextFunding = +d.T;
  flow.lastMarkTs = +d.E || Date.now();
  queueFlowRender();
}
function onForceOrder(d){
  const o = d.o || {};
  if (o.s && o.s !== S.symbol) return;
  const ts = +o.T || +d.E || Date.now();
  const price = +(o.ap || o.p), qty = +(o.z || o.q);
  if (!Number.isFinite(price) || !Number.isFinite(qty) || price <= 0 || qty <= 0) return;
  const notional = price * qty;
  const side = o.S; // SELL: long liquidation, BUY: short liquidation
  const type = side === "SELL" ? "LONG_LIQ" : "SHORT_LIQ";
  flow.liqs.push({ts, price, qty, notional, side, type});
  if(notional>=(+S.settings.liqMin||0)) addFlowEvent(type,notional>=(+S.settings.liqMin||0)*3?"high":"medium",`${type==="LONG_LIQ"?"Long":"Short"} liquidation ${compact(notional)} @ ${fmtPrice(price)}`,side==="SELL"?"sell":"buy");
  if (S.settings.showLiq && notional >= (+S.settings.liqMin || 0)){
    flow.markers.push({
      time: markerTime(ts),
      position: side === "SELL" ? "aboveBar" : "belowBar",
      color: side === "SELL" ? "#ff8a80" : "#69f0ae",
      shape: "circle",
      size: 1,                                   // 3.1: liq stays small
      kind: "liq", price, notional, side, ts,
      text: `${side === "SELL" ? "Long" : "Short"} liq ${compact(notional)}`
    });
    if (flow.markers.length > 80) flow.markers.shift();
    redrawMarkers();
  }
  pruneFlow(); queueFlowRender();
}
function markerTime(tsMs){
  if (!S.candles.length) return Math.floor(tsMs/1000);
  const sec = Math.floor(tsMs/1000);
  for (let i=S.candles.length-1; i>=Math.max(0, S.candles.length-10); i--){
    if (sec >= S.candles[i].time) return S.candles[i].time;
  }
  return S.candles[S.candles.length-1].time;
}
let flowRaf = false;
function queueFlowRender(){
  if (flowRaf) return;
  flowRaf = true;
  requestAnimationFrame(() => { flowRaf = false; renderFlowMini(); renderFlowStrip(); });
}
function sumTrades(maxAge, minAge=0){
  const now = Date.now(); let delta = 0, notional = 0;
  for (let i=flow.trades.length-1; i>=0; i--){
    const age = now - flow.trades[i].ts;
    if (age > maxAge) break;
    if (age >= minAge){ delta += flow.trades[i].delta; notional += flow.trades[i].notional; }
  }
  return {delta, notional};
}
function sumLiqs(maxAge){
  const now = Date.now(); let longLiq=0, shortLiq=0;
  for (let i=flow.liqs.length-1; i>=0; i--){
    const age = now - flow.liqs[i].ts;
    if (age > maxAge) break;
    if (flow.liqs[i].type === "LONG_LIQ") longLiq += flow.liqs[i].notional;
    else shortLiq += flow.liqs[i].notional;
  }
  return {longLiq, shortLiq};
}
function rangeStats(idx){
  const cs = S.candles; if (cs.length < 25) return {rangePct:0, atrPct:0, tight:false, change5:0};
  const i = Math.min(idx ?? cs.length-1, cs.length-1);
  const start = Math.max(0, i-19);
  const win = cs.slice(start, i+1);
  const hi = Math.max(...win.map(c=>c.high)), lo = Math.min(...win.map(c=>c.low));
  const last = cs[i].close;
  const rangePct = last ? (hi - lo) / last : 0;
  const atrPct = win.reduce((a,c)=>a + ((c.high-c.low)/c.close), 0) / win.length;
  const baseIdx = Math.max(0, i-5);
  const change5 = cs[baseIdx].close ? (cs[i].close - cs[baseIdx].close) / cs[baseIdx].close : 0;
  return {rangePct, atrPct, tight: rangePct > 0 && (rangePct < 0.006 || atrPct < 0.0012), change5};
}
function flowWindowPlan(tf=S.interval){
  const seconds = signalIntervalSeconds(tf);
  const windowMs = Math.min(600000, Math.max(60000, Math.round(seconds * 500)));
  return {windowMs, seconds:windowMs/1000, informational:seconds>=900,
    label:`${Math.round(windowMs/1000)} sn`};
}
function flowSnapshot(idx){
  const plan = flowWindowPlan(S.interval), windowMs = plan.windowMs;
  const fresh = metricFreshness(), futures = !!activeSrc().futures;
  const t60 = sumTrades(windowMs);
  const tPrev = sumTrades(windowMs*2, windowMs);
  const shortMs = Math.max(15000, Math.round(windowMs/2));
  const t30 = sumTrades(shortMs);
  const tPrev150 = sumTrades(shortMs*5, shortMs);
  const liq60 = sumLiqs(windowMs);
  const rs = rangeStats(idx);
  const cvdBias = t60.notional ? t60.delta / t60.notional : 0;
  const prevBias = tPrev.notional ? tPrev.delta / tPrev.notional : 0;
  const prevPerShort = tPrev150.notional / 4;
  const takerSpike = t30.notional > Math.max(10000, prevPerShort * 1.8);
  const cascadeThr = clamp((+S.settings.cascadePct || 0.8) / 100, 0.001, 0.10);
  const cvdLive = fresh.market, depthLive = fresh.depth;
  const longLiq60 = cvdLive && futures ? liq60.longLiq : 0;
  const shortLiq60 = cvdLive && futures ? liq60.shortLiq : 0;
  return {
    cvd60:cvdLive?t60.delta:0, notional60:cvdLive?t60.notional:0,
    cvdBias:cvdLive?cvdBias:0, cvdSlope:cvdLive?cvdBias-prevBias:0,
    windowMs, windowSeconds:plan.seconds, informational:plan.informational,
    obi:depthLive?flow.obi:0, bidVol:depthLive?flow.bidVol:0, askVol:depthLive?flow.askVol:0,
    longLiq60, shortLiq60,
    oi:fresh.oi?flow.oi:null, oiChangePct:fresh.oi?flow.oiChangePct:null,
    funding:fresh.funding?flow.funding:null,
    taker30:cvdLive?t30.notional:0, takerSpike:cvdLive&&takerSpike,
    rangePct:rs.rangePct, atrPct:rs.atrPct, tightRange:rs.tight,
    change5:rs.change5, cascadeDown:rs.change5 < -cascadeThr || longLiq60 > (+S.settings.liqMin || 0) * 2,
    cascadeUp:rs.change5 > cascadeThr || shortLiq60 > (+S.settings.liqMin || 0) * 2
  };
}
/* ================= 5. INDICATORS ================= */
function sma(arr, p){
  const out = new Array(arr.length).fill(null);
  let sum = 0;
  for (let i=0;i<arr.length;i++){
    sum += arr[i];
    if (i >= p) sum -= arr[i-p];
    if (i >= p-1) out[i] = sum/p;
  }
  return out;
}
function psar(cs, step, max){
  const n = cs.length, sar = new Array(n).fill(null), trend = new Array(n).fill(null);
  if (n < 3) return {sar, trend};
  let up = cs[1].close >= cs[0].close;
  let s = up ? Math.min(cs[0].low, cs[1].low) : Math.max(cs[0].high, cs[1].high);
  let ep = up ? cs[1].high : cs[1].low;
  let af = step;
  for (let i=2;i<n;i++){
    s = s + af*(ep - s);
    if (up) s = Math.min(s, cs[i-1].low, cs[i-2].low);
    else    s = Math.max(s, cs[i-1].high, cs[i-2].high);
    if (up && cs[i].low < s){ up=false; s=ep; ep=cs[i].low; af=step; }
    else if (!up && cs[i].high > s){ up=true; s=ep; ep=cs[i].high; af=step; }
    else {
      if (up && cs[i].high > ep){ ep=cs[i].high; af=Math.min(af+step, max); }
      if (!up && cs[i].low < ep){ ep=cs[i].low; af=Math.min(af+step, max); }
    }
    sar[i] = s; trend[i] = up ? 1 : -1;
  }
  return {sar, trend};
}

function bollinger(cs, period, mult){
  const closes = cs.map(c => c.close);
  const mid = sma(closes, period);
  const upper = new Array(cs.length).fill(null), lower = new Array(cs.length).fill(null);
  for (let i=period-1;i<cs.length;i++){
    const m = mid[i];
    let ss = 0;
    for (let j=i-period+1;j<=i;j++) ss += Math.pow(closes[j]-m, 2);
    const sd = Math.sqrt(ss/period);
    upper[i] = m + mult*sd;
    lower[i] = m - mult*sd;
  }
  return {upper, mid, lower};
}
function emaSeries(arr, period){
  const out = new Array(arr.length).fill(null);
  const k = 2/(period+1);
  let sum = 0, count = 0, prev = null;
  for (let i=0;i<arr.length;i++){
    const v = arr[i];
    if (v == null || !Number.isFinite(v)){ out[i] = null; continue; }
    if (prev == null){
      sum += v; count++;
      if (count === period){ prev = sum/period; out[i] = prev; }
    } else {
      prev = v*k + prev*(1-k);
      out[i] = prev;
    }
  }
  return out;
}
function rsiSeriesCalc(closes, period){
  const out = new Array(closes.length).fill(null);
  if (closes.length <= period) return out;
  let gain = 0, loss = 0;
  for (let i=1;i<=period;i++){
    const ch = closes[i] - closes[i-1];
    if (ch >= 0) gain += ch; else loss -= ch;
  }
  let avgGain = gain/period, avgLoss = loss/period;
  out[period] = avgLoss === 0 ? 100 : 100 - 100/(1 + avgGain/avgLoss);
  for (let i=period+1;i<closes.length;i++){
    const ch = closes[i] - closes[i-1];
    const g = ch > 0 ? ch : 0, l = ch < 0 ? -ch : 0;
    avgGain = (avgGain*(period-1) + g)/period;
    avgLoss = (avgLoss*(period-1) + l)/period;
    out[i] = avgLoss === 0 ? 100 : 100 - 100/(1 + avgGain/avgLoss);
  }
  return out;
}
function macdCalc(closes, fast, slow, signal){
  if (fast >= slow) slow = fast + 1;
  const ef = emaSeries(closes, fast), es = emaSeries(closes, slow);
  const line = closes.map((_,i) => ef[i]==null || es[i]==null ? null : ef[i]-es[i]);
  const sig = emaSeries(line, signal);
  const hist = line.map((v,i) => v==null || sig[i]==null ? null : v - sig[i]);
  return {line, signal:sig, hist};
}
function vwapCalc(cs){
  const out = new Array(cs.length).fill(null);
  let day = "", pv = 0, vol = 0;
  for (let i=0;i<cs.length;i++){
    const d = new Date(cs[i].time*1000).toISOString().slice(0,10);
    if (d !== day){ day = d; pv = 0; vol = 0; }
    const typ = (cs[i].high + cs[i].low + cs[i].close) / 3;
    pv += typ * cs[i].volume;
    vol += cs[i].volume;
    out[i] = vol ? pv/vol : null;
  }
  return out;
}
function lineData(cs, values){
  /* tek geçiş: eskiden map + filter iki ayrı dizi üretiyordu (3000 mum × 8 seri
     = gereksiz çöp). Aynı çıktı, daha az ayırma. */
  const out = [];
  for (let i = 0; i < cs.length; i++){
    const v = values[i];
    if (v != null) out.push({ time: cs[i].time, value: v });
  }
  return out;
}
/* ================= 6. KATMAN 1 — MA/SAR TETİKLEYİCİ ================= */
function runEngine(){
  // Kapanmış mumlar üzerinde çalış (son eleman kapanmışsa dahil — onKline k.x sonrası çağrılır)
  const cs = S.candles;
  if (cs.length < S.settings.ma3 + 5) return;
  const ctx = patternContext(cs);
  const i = cs.length - 1;
  if (engine.earlyWarning && engine.earlyWarning.candleTime !== cs[i].time) engine.earlyWarning = null;
  const ma1 = ctx.ma[Math.max(2,Math.round(+S.settings.ma1||9))];
  const ma2 = ctx.ma[Math.max(3,Math.round(+S.settings.ma2||21))];
  const ma3 = ctx.ma[Math.max(5,Math.round(+S.settings.ma3||50))];
  if (!ma1 || !ma2 || !ma3 || ma1[i]==null || ma2[i-1]==null || ma3[i]==null || ctx.trend[i]==null) return;
  const primaryPair = `${Math.max(2,Math.round(+S.settings.ma1||9))}x${Math.max(3,Math.round(+S.settings.ma2||21))}`;
  const crosses = patternCrossesAt(ctx, i);
  const flipUp   = ctx.trend[i-1] === -1 && ctx.trend[i] === 1;   // SAR üstten alta → boğa
  const flipDown = ctx.trend[i-1] === 1  && ctx.trend[i] === -1;  // SAR alttan üste → ayı

  // Yeni cross'ları genel bekleme listesine ekle (diğer MA çiftleri + F0/F1 filtreleri için)
  crosses.forEach(cr => {
    const dup = engine.pendingMulti.some(p => p.pair===cr.pair && p.dir===cr.dir && p.idx===i);
    if (!dup) engine.pendingMulti.push({ pair:cr.pair, dir:cr.dir, filter:cr.filter, idx:i });
  });

  // --- Birincil kural (MA1×MA2, F1) — geriye dönük davranış/UI mesajları korunuyor ---
  const primaryCross = crosses.find(cr => cr.pair === primaryPair);
  if (primaryCross){
    engine.pending = { dir: primaryCross.dir==="UP"?"AL":"SAT", idx:i, flip:false };
    engine.earlyWarning = null;
  }
  let primaryFired = false;
  if (engine.pending){
    const p = engine.pending;
    const elapsed = i - p.idx;
    if (elapsed > S.settings.nWindow){
      engine.pending = null;
      setStatus("NOTR", "Pencere doldu, tetikleyici iptal.");
    } else {
      if ((p.dir==="AL" && flipUp) || (p.dir==="SAT" && flipDown)) p.flip = true;
      if (p.flip){
        const ok = p.dir==="AL"
          ? (ma2[i] > ma3[i] || ctx.closes[i] > ma3[i])
          : (ma2[i] < ma3[i] || ctx.closes[i] < ma3[i]);
        if (ok){ fireSignal(p.dir, i, elapsed); engine.pending = null; primaryFired = true; }
        else setStatus("IZLEMEDE", `${p.dir} kurgusu: cross + SAR flip var, MA${S.settings.ma3} filtresi bekleniyor.`);
      } else {
        setStatus("IZLEMEDE", `${p.dir==="AL"?"Golden":"Death"} cross oluştu, SAR flip bekleniyor (${elapsed}/${S.settings.nWindow} mum).`);
      }
    }
  }
  // Cross'suz SAR flip → separate early-warning row; never overwrites the active signal.
  if (!engine.pending && !primaryFired && (flipUp || flipDown)){
    engine.earlyWarning = {
      dir: flipUp ? "AL" : "SAT", candleTime:cs[i].time,
      text:`Erken uyarı: SAR ${flipUp?"boğa":"ayı"} yönüne flip etti; MA cross yok, sinyal değildir.`
    };
  }

  // --- Havuz-onaylı genel patern taraması: diğer MA çiftleri + F0 filtreler dahil ---
  processExtraPatterns(ctx, i, primaryPair);
  renderSignalAuxiliary();
}
// Birincil kuralın kapsamadığı paternleri (MA1×MA3, MA2×MA3, F0 filtreler vb.) tarar;
// yalnızca havuzda yeterli örnek (n≥15) ve güvenilir Wilson skoru (≥%50) varsa tetikler.
function processExtraPatterns(ctx, i, primaryPair){
  const stillPending = [];
  engine.pendingMulti.forEach(p => {
    if (p.pair === primaryPair && p.filter === "F1") return; // birincil akış zaten işliyor
    const elapsed = i - p.idx;
    if (elapsed > 4) return; // pencere doldu (havuzdaki SARX üst sınırı), düş
    const sar = patternResolveSar(ctx, p.idx, p.dir, i);
    if (sar){
      const patId = patternId(p.pair, p.dir, sar.bucket, p.filter);
      tryFireExtraPattern(p, patId, sar.finalIndex, sar.finalIndex - p.idx);
      return; // çözüldü (tetiklendi ya da elendi), listeden düş
    }
    stillPending.push(p);
  });
  engine.pendingMulti = stillPending;
}
async function tryFireExtraPattern(p, patId, idx, elapsed){
  try{
    const stats = await patternGetStats(`${S.interval}:${patId}`);
    if (!stats || stats.n < 15 || stats.wilsonLower < 50) return;
    const c = S.candles[idx]; if (!c) return;
    if (engine.log[0] && engine.log[0].ts === c.time) return; // aynı mumda zaten sinyal verildi
    const dir = p.dir === "UP" ? "AL" : "SAT";
    const pairLabel = `MA${p.pair.replace("x","×MA")}`;
    const ruleLabel = `${pairLabel} ${p.dir==="UP"?"golden":"death"} cross + SAR flip (${elapsed} mum) — havuz onaylı patern (${stats.wilsonLower.toFixed(0)}% Wilson, n=${stats.n})`;
    fireSignal(dir, idx, elapsed, { patId, ruleLabel });
  }catch(e){ /* sessiz */ }
}
function signalIntervalSeconds(interval=S.interval){
  const m = String(interval || "5m").match(/^(\d+)([smhdw])$/i);
  if (!m) return 300;
  const scale = {s:1,m:60,h:3600,d:86400,w:604800}[m[2].toLowerCase()] || 300;
  return +m[1] * scale;
}
function signalAtrAt(idx, period=14){
  const cs = S.candles;
  if (!cs.length || idx < 1 || !cs[idx]) return null;
  const start = Math.max(1, idx - period + 1);
  let total = 0, count = 0;
  for (let i=start; i<=idx; i++){
    const c = cs[i], prev = cs[i-1]?.close;
    if (!c || !Number.isFinite(prev)) continue;
    const tr = Math.max(c.high-c.low, Math.abs(c.high-prev), Math.abs(c.low-prev));
    if (Number.isFinite(tr) && tr > 0){ total += tr; count++; }
  }
  return count ? total/count : null;
}
function signalInvalidation(dir, entry, idx){
  const cs = S.candles;
  if (idx >= 2 && cs[idx]){
    const sar = psar(cs.slice(0,idx+1), +S.settings.sarStep || 0.02, +S.settings.sarMax || 0.2).sar[idx];
    if (Number.isFinite(sar) && (dir === "AL" ? sar < entry : sar > entry))
      return {price:sar, source:"SAR"};
  }
  const atr = signalAtrAt(idx, 14);
  if (Number.isFinite(atr) && atr > 0)
    return {price:entry + (dir === "AL" ? -1 : 1) * atr * 1.5, source:"ATR×1,5"};
  return {price:null, source:"veri yok"};
}
function renderRiskPlan(){
  const card=$("riskPlanCard"),el=$("riskPlan"); if(!card||!el) return;
  card.hidden=false;
  const rec=currentSignalRecord();
  if(!rec||!Number.isFinite(rec.entryPrice||rec.price)){
    el.innerHTML=`<div class="emptyState" style="grid-column:1/-1">Katman 1 MA-cross + SAR flip tetiklenince giriş, invalidasyon ve ATR tabanlı iki hedef gerçek mumlardan hesaplanır. Sinyal beklerken canlılık uyarılarını yukarıdan kontrol et.</div>`;
    return;
  }
  const entry=Number.isFinite(rec.entryPrice)?rec.entryPrice:rec.price;
  const idx=rec.symbol===S.symbol&&rec.interval===S.interval?S.candles.findIndex(c=>c.time===rec.ts):-1;
  const atr=idx>=0?signalAtrAt(idx,14):null;
  const stats=engine.currentPatternStats;
  let d1=null,source="veri yok";
  if(Number.isFinite(atr)&&atr>0){d1=atr;source="ATR×1 / ATR×2";}
  else if(stats&&stats.n>=30&&Number.isFinite(stats.medianMfe20)&&stats.medianMfe20>0){d1=entry*stats.medianMfe20/100;source="havuz MFE medyanı ×1 / ×2";}
  const stop=Number.isFinite(rec.invalidationPrice)?rec.invalidationPrice:null;
  const risk=stop!=null?Math.abs(entry-stop):null;
  const sign=rec.dir==="AL"?1:-1;
  const t1=d1?entry+sign*d1:null,t2=d1?entry+sign*2*d1:null;
  const rr1=d1&&risk>0?d1/risk:null,rr2=d1&&risk>0?2*d1/risk:null;
  rec.referencePlan={entry,stop,target1:t1,target2:t2,rr1,rr2,source,calculatedAt:Date.now()};
  const cells=[
    ["Giriş",fmtPrice(entry)],
    ["Stop · "+(rec.invalidationSource||"invalidasyon"),stop==null?"veri yok":fmtPrice(stop)],
    ["Hedef 1 · "+source,t1==null?"veri yok":fmtPrice(t1)],
    ["Hedef 2 · "+source,t2==null?"veri yok":fmtPrice(t2)],
    ["R:R (H1 / H2)",rr1==null?"veri yok":`${rr1.toFixed(2)}R / ${rr2.toFixed(2)}R`]
  ];
  el.innerHTML=cells.map(([label,value])=>`<div class="riskCell"><span>${escapeHtml(label)}</span><b>${escapeHtml(value)}</b></div>`).join("");
}
function signalCurrentPrice(now=Date.now()){
  const maxAge = clamp(+S.settings.staleSec || 10, 5, 120) * 1000;
  const lastTrade = flow.trades.length ? flow.trades[flow.trades.length-1] : null;
  if (lastTrade && Number.isFinite(lastTrade.price) && now-lastTrade.ts >= -5000 && now-lastTrade.ts <= maxAge)
    return {price:lastTrade.price, source:"aggTrade"};
  if (S.wsAlive && S.wsLastMsg && now-S.wsLastMsg <= maxAge && S.candles.length){
    const c = S.candles[S.candles.length-1];
    if (Number.isFinite(c.close)) return {price:c.close, source:"kline"};
  }
  return null;
}
function signalStateClass(state){
  if (state === "HAZIR") return "ready";
  if (state === "AKTIF") return "active";
  if (state === "TAMAMLANDI") return "done";
  if (state === "GEÇERSİZ" || state === "SÜRESİ DOLDU") return "terminal";
  return "watch";
}
function renderSignalEarlyWarning(){
  const el = $("sigEarlyWarning"); if (!el) return;
  const w = engine.earlyWarning;
  const last = S.candles[S.candles.length-1];
  if (w && last && last.time-w.candleTime >= signalIntervalSeconds()) engine.earlyWarning = null;
  if (!engine.earlyWarning){ el.hidden = true; el.textContent = ""; return; }
  el.hidden = false;
  el.textContent = engine.earlyWarning.text;
}
function renderSignalSetup(){
  const box = $("sigSetup"), stepsEl = $("sigSetupSteps"), fill = $("sigSetupFill");
  if (!box || !stepsEl || !fill) return;
  const info = pendingInfo();
  if (!info){ box.hidden = true; fill.style.width = "0%"; stepsEl.innerHTML = ""; return; }
  const filter = info.flip ? maFilterOk(info.dir, S.candles.length-1) : null;
  const maLabel = `MA${Math.max(5,Math.round(+S.settings.ma3||50))} filtresi`;
  const steps = [
    {label:"Cross ✓", state:"done"},
    {label:info.flip ? "SAR flip ✓" : `SAR flip (${Math.min(info.elapsed,info.window)}/${info.window} mum)`, state:info.flip ? "done" : "current"},
    {label:!info.flip ? `${maLabel} —` : `${maLabel} ${filter === true ? "✓" : filter === false ? "✗" : "?"}`,
     state:!info.flip ? "current" : filter === true ? "done" : filter === false ? "failed" : "current"},
    {label:"Tetik bekliyor", state:"current"}
  ];
  stepsEl.innerHTML = steps.map((x,i) => (i ? '<span class="setupArrow">›</span>' : "") +
    `<span class="setupStep ${x.state}">${escapeHtml(x.label)}</span>`).join("");
  const completed = 1 + (info.flip ? 1 : 0) + (info.flip && filter === true ? 1 : 0);
  fill.style.width = `${Math.min(95, completed/4*100)}%`;
  box.hidden = false;
}
function renderSignalLifecycle(){
  const stateEl = $("sigLifeState"), dirEl = $("sigLifeDirection");
  if (!stateEl || !dirEl) return;
  const active = engine.activeSignals && engine.activeSignals[0];
  const pending = engine.pending;
  const rec = active || (!pending ? engine.lastLifecycle : null);
  const state = active ? "AKTIF" : pending ? "HAZIR" : rec ? rec.lifecycleState : "IZLEMEDE";
  const stateLabel = state === "AKTIF" ? "AKTİF" : state;
  stateEl.className = `lifeState ${signalStateClass(state)}`;
  stateEl.textContent = active ? `${stateLabel} · ${active.dir}` : stateLabel;
  if (active) dirEl.textContent = `${active.symbol} · ${active.interval}`;
  else if (pending) dirEl.textContent = `${pending.dir} kurulum · ${S.symbol} · ${S.interval}`;
  else if (rec) dirEl.textContent = `${rec.dir} · ${rec.outcomeReason || "son sinyal"}`;
  else dirEl.textContent = "Gerçek sinyal bekleniyor";

  const entryEl = $("sigLifeEntry"), ageEl = $("sigLifeAge"), validityEl = $("sigLifeValidity");
  const stopEl = $("sigLifeStop"), pnlEl = $("sigLifePnl"), mfeEl = $("sigLifeMfeMae"), noteEl = $("sigLifeNote");
  if (!rec){
    entryEl.textContent = "Veri yok"; ageEl.textContent = "—"; validityEl.textContent = "—";
    stopEl.textContent = "Veri yok"; pnlEl.textContent = "Veri yok"; mfeEl.textContent = "—";
    noteEl.textContent = pending ? "Kurulum adımları gerçek kapanmış mumlardan izleniyor." : "Canlı sonuç yalnız gerçek WS fiyatı geldiğinde güncellenir.";
    return;
  }
  entryEl.textContent = Number.isFinite(rec.entryPrice) ? fmtPrice(rec.entryPrice) : "Veri yok";
  ageEl.textContent = `${rec.ageCandles || 0} mum · ${(rec.ageMinutes || 0).toFixed(1)} dk`;
  const totalMins = rec.validityCandles * signalIntervalSeconds(rec.interval)/60;
  const left = active ? Math.max(0, rec.validityCandles - (rec.ageCandles || 0)) : 0;
  validityEl.textContent = active
    ? `${rec.validityCandles} mum · ${totalMins.toFixed(0)} dk (kalan ${left})`
    : `${rec.validityCandles} mum · ${totalMins.toFixed(0)} dk`;
  stopEl.textContent = Number.isFinite(rec.invalidationPrice)
    ? `${fmtPrice(rec.invalidationPrice)} · ${rec.invalidationSource}` : "Veri yok (SAR/ATR yok)";
  if (active){
    pnlEl.textContent = rec.priceFresh && Number.isFinite(rec.pnlPct) && Number.isFinite(rec.r)
      ? `${signed(rec.pnlPct,2)}% · ${signed(rec.r,2)}R`
      : "Veri yok (WS bayat/bekleniyor)";
  } else {
    pnlEl.textContent = Number.isFinite(rec.outcomePrice) && Number.isFinite(rec.outcomePct) && Number.isFinite(rec.outcomeR)
      ? `${signed(rec.outcomePct,2)}% · ${signed(rec.outcomeR,2)}R`
      : "Veri yok (sonuç fiyatı yok)";
  }
  mfeEl.textContent = rec.hasLivePrice
    ? `${signed(rec.mfePct,2)}% / ${signed(rec.maePct,2)}%`
    : "Veri yok";
  if (active){
    noteEl.textContent = Number.isFinite(rec.targetPrice)
      ? `İzleme hedefi +1R (${fmtPrice(rec.targetPrice)}); tamamlanınca sonuç kaydedilir.`
      : "Invalidasyon hesaplandıysa fiyat izlenir; taze gerçek WS verisi bekleniyor.";
  } else {
    noteEl.textContent = `${rec.lifecycleState}${rec.outcomeReason ? " — " + rec.outcomeReason : ""}${Number.isFinite(rec.outcomePrice) ? " · sonuç " + fmtPrice(rec.outcomePrice) : " · fiyat verisi yok"}`;
  }
}
function renderSignalAuxiliary(){
  renderSignalEarlyWarning();
  renderSignalSetup();
  renderSignalLifecycle();
  renderRiskPlan();
}
function updateSignalMetrics(rec, price, now){
  if (!Number.isFinite(price) || price <= 0) return;
  const move = rec.dir === "AL" ? price-rec.entryPrice : rec.entryPrice-price;
  rec.lastPrice = price; rec.lastPriceAt = now; rec.priceFresh = true; rec.hasLivePrice = true;
  rec.pnlPct = move / rec.entryPrice * 100;
  rec.r = rec.riskPerUnit > 0 ? move / rec.riskPerUnit : null;
  rec.mfePct = Math.max(rec.mfePct || 0, Math.max(0,move) / rec.entryPrice * 100);
  rec.maePct = Math.max(rec.maePct || 0, Math.max(0,-move) / rec.entryPrice * 100);
}
function finishSignalLifecycle(rec, state, reason, price=null, now=Date.now(), render=true){
  if (!rec || rec.lifecycleState !== "AKTIF") return;
  if (Number.isFinite(price)) updateSignalMetrics(rec, price, now);
  rec.lifecycleState = state;
  rec.outcomeReason = reason;
  rec.outcomeAt = now;
  rec.outcomePrice = Number.isFinite(price) ? price : null;
  rec.outcomePct = rec.outcomePrice != null ? rec.pnlPct : null;
  rec.outcomeR = rec.outcomePrice != null ? rec.r : null;
  rec.priceFresh = rec.outcomePrice != null;
  engine.activeSignals = (engine.activeSignals || []).filter(x => x !== rec);
  engine.lastLifecycle = rec;
  if(typeof signalHistoryUpsert==="function") signalHistoryUpsert(rec,true).catch(e=>console.warn("sinyal geçmişi yazılamadı",e));
  if (render){ renderSignalTab(); renderSignalAuxiliary(); }
}
function endActiveSignalLifecycles(state, reason){
  const now = Date.now(), live = signalCurrentPrice(now);
  if (live && (engine.activeSignals || []).length) updateSignalLifecycles(live.price, live.source, now);
  for (const rec of (engine.activeSignals || []).slice())
    finishSignalLifecycle(rec, state, reason, live ? live.price : null, now, false);
  renderSignalTab();
  renderSignalAuxiliary();
}
function startSignalLifecycle(logRecord){
  const now = Date.now();
  for (const previous of (engine.activeSignals || []).slice()){
    if (previous.dir !== logRecord.dir)
      finishSignalLifecycle(previous, "GEÇERSİZ", "Ters yönde yeni sinyal", logRecord.price, now, false);
  }
  const idx = S.candles.findIndex(c => c.time === logRecord.ts);
  const stop = signalInvalidation(logRecord.dir, logRecord.price, idx);
  const risk = Number.isFinite(stop.price) ? Math.abs(logRecord.price-stop.price) : null;
  Object.assign(logRecord, {
    symbol:S.symbol, interval:S.interval, lifecycleState:"AKTIF", outcomeReason:"", entryPrice:logRecord.price,
    entryAtMs:now, validityCandles:staleLimit(), ageCandles:0, ageMinutes:0,
    invalidationPrice:stop.price, invalidationSource:stop.source, riskPerUnit:risk,
    targetPrice:risk > 0 ? logRecord.price + (logRecord.dir === "AL" ? risk : -risk) : null,
    lastPrice:logRecord.price, lastPriceAt:now, priceFresh:false, hasLivePrice:false,
    pnlPct:null, r:null, mfePct:0, maePct:0, outcomePrice:null, outcomePct:null, outcomeR:null
  });
  engine.activeSignals = engine.activeSignals || [];
  engine.activeSignals.unshift(logRecord);
  engine.lastLifecycle = logRecord;
  engine.earlyWarning = null;
  if(typeof signalHistoryUpsert==="function") signalHistoryUpsert(logRecord,true).catch(e=>console.warn("sinyal geçmişi yazılamadı",e));
  renderSignalAuxiliary();
}
function updateSignalLifecycles(price=null, source="", now=Date.now()){
  const fresh = Number.isFinite(price) && price > 0 && !!source;
  const current = S.candles[S.candles.length-1];
  const seconds = signalIntervalSeconds();
  let terminalChanged = false;
  for (const rec of (engine.activeSignals || []).slice()){
    rec.ageCandles = current ? Math.max(0, Math.floor((current.time-rec.ts)/seconds)) : 0;
    rec.ageMinutes = Math.max(0, (now-rec.entryAtMs)/60000);
    rec.priceFresh = fresh;
    if (fresh) updateSignalMetrics(rec, price, now);
    if(typeof signalHistoryUpsert==="function") signalHistoryUpsert(rec,false).catch(e=>console.warn("sinyal geçmişi güncellenemedi",e));
    if (fresh && Number.isFinite(rec.invalidationPrice) &&
        (rec.dir === "AL" ? price <= rec.invalidationPrice : price >= rec.invalidationPrice)){
      finishSignalLifecycle(rec, "GEÇERSİZ", "Fiyat invalidasyon seviyesini geçti", price, now, false);
      terminalChanged = true;
      continue;
    }
    if (fresh && Number.isFinite(rec.targetPrice) &&
        (rec.dir === "AL" ? price >= rec.targetPrice : price <= rec.targetPrice)){
      finishSignalLifecycle(rec, "TAMAMLANDI", "1R hedefi görüldü", price, now, false);
      terminalChanged = true;
      continue;
    }
    if (rec.ageCandles >= rec.validityCandles){
      finishSignalLifecycle(rec, "SÜRESİ DOLDU", `Geçerlilik doldu (${rec.validityCandles} mum)`, fresh ? price : null, now, false);
      terminalChanged = true;
    }
  }
  if (terminalChanged) renderSignalTab();
  renderSignalLifecycle();
}
function tickSignalLifecycles(){
  const live = signalCurrentPrice(Date.now());
  updateSignalLifecycles(live ? live.price : null, live ? live.source : "", Date.now());
}
async function fireSignal(dir, idx, elapsed, opts={}){
  const signalSymbol=S.symbol, signalInterval=S.interval, signalCandles=S.candles;
  const c=signalCandles[idx];
  const rule=opts.ruleLabel||`MA${S.settings.ma1}×MA${S.settings.ma2} ${dir==="AL"?"golden":"death"} cross + SAR flip (${elapsed} mum sonra) + MA${S.settings.ma3} filtresi`;
  const histPattern=opts.patId||patternSignalId(dir,idx,elapsed);
  if(histPattern) await Promise.resolve();
  if(S.symbol!==signalSymbol||S.interval!==signalInterval||S.candles!==signalCandles||!c) return;
  const raw=evaluateRawFlow(dir,idx);
  const snapshot=flowSnapshotSummary(raw.metrics,dir,raw);
  const logRecord={dir,rule,price:c.close,ts:c.time,score:raw.score,grade:raw.grade,reasons:raw.reasons,
    reasonDetails:raw.reasonDetails,patternId:histPattern,symbol:S.symbol,interval:S.interval,
    flowSnapshot:snapshot,flowScoreAtSignal:raw.score,flowCalculatedAt:raw.calculatedAt||Date.now()};
  logRecord.historyId=signalHistoryId(logRecord);
  const blocked=shouldHardVeto(dir,raw);
  if(blocked){
    Object.assign(logRecord,{lifecycleState:"ENGELLENDİ",blocked:true,outcomeReason:"Sert veto: güçlü ters canlı akış",blockedAt:Date.now(),entryPrice:c.close});
    engine.log.unshift(logRecord); if(engine.log.length>30) engine.log.pop();
    setStatus("NOTR",`${dir} tetikleyicisi oluştu; Sert veto güçlü ters akış nedeniyle sinyali engelledi.`,raw);
    engine.markers.push({time:c.time,position:dir==="AL"?"belowBar":"aboveBar",color:dir==="AL"?"rgba(38,166,154,.38)":"rgba(239,83,80,.38)",
      shape:dir==="AL"?"arrowUp":"arrowDown",size:2,kind:"signal",dir,score:raw.score,grade:raw.grade,blocked:true,
      reason:"Sert veto · güçlü ters akış",price:c.close,ts:c.time,text:`${dir} ENGELLENDİ`});
    if(engine.markers.length>80) engine.markers.shift();
    attachSignalFlowToPool(logRecord).catch(e=>console.warn("akış snapshot havuza yazılamadı",e));
    if(typeof signalHistoryUpsert==="function") signalHistoryUpsert(logRecord,true).catch(e=>console.warn("sinyal geçmişi yazılamadı",e));
    patternRenderSignalContext(histPattern,idx).catch(e=>console.warn("pattern context hata",e));
    patternRenderChartOverlay(histPattern,idx).catch(e=>console.warn("pattern overlay hata",e));
    renderSignalEvidence(raw); renderSignalTab(); redrawMarkers();
    return;
  }
  engine.log.unshift(logRecord); if(engine.log.length>30) engine.log.pop();
  setStatus(dir,rule,raw);
  patternRenderSignalContext(histPattern,idx).catch(e=>console.warn("pattern context hata",e));
  patternRenderChartOverlay(histPattern,idx).catch(e=>console.warn("pattern overlay hata",e));
  engine.markers.push({time:c.time,position:dir==="AL"?"belowBar":"aboveBar",color:dir==="AL"?"#26a69a":"#ef5350",
    shape:dir==="AL"?"arrowUp":"arrowDown",size:3,kind:"signal",dir,score:raw.score,grade:raw.grade,
    reason:(raw.reasons&&raw.reasons[0])||"",price:c.close,ts:c.time,text:raw.score==null?dir:`${dir} ${raw.score}`});
  if(engine.markers.length>80) engine.markers.shift();
  startSignalLifecycle(logRecord);
  attachSignalFlowToPool(logRecord).catch(e=>console.warn("akış snapshot havuza yazılamadı",e));
  if(typeof signalHistoryUpsert==="function") signalHistoryUpsert(logRecord,true).catch(e=>console.warn("sinyal geçmişi yazılamadı",e));
  renderSignalEvidence(raw); renderSignalTab(); redrawMarkers();
}
function flowSnapshotSummary(s,dir,raw){
  if(!S.settings.rawConfirm||!s) return null;
  const now=Date.now(),fresh=metricFreshness(),futures=!!activeSrc().futures;
  const tradeFresh=!!(flow.lastTradeTs&&fresh.age(flow.lastTradeTs)<=fresh.limit);
  const out={direction:dir,at:raw&&raw.calculatedAt||now,windowMs:s.windowMs,informational:!!s.informational,
    score:Number.isFinite(raw&&raw.score)?raw.score:null,grade:raw&&raw.grade||null,
    cvdBias:tradeFresh&&s.notional60>0?s.cvdBias:null,
    cvdDelta:tradeFresh&&s.notional60>0?s.cvd60:null,
    cvdNotional:tradeFresh&&s.notional60>0?s.notional60:null,
    obi:fresh.depth?s.obi:null,bidVol:fresh.depth?s.bidVol:null,askVol:fresh.depth?s.askVol:null,
    longLiq60:fresh.market&&futures?s.longLiq60:null,shortLiq60:fresh.market&&futures?s.shortLiq60:null,
    oiChangePct:fresh.oi?s.oiChangePct:null,funding:fresh.funding?s.funding:null};
  return Object.values(out).some(v=>typeof v==="number"&&Number.isFinite(v))?out:null;
}
function shouldHardVeto(dir,raw){
  if(!S.settings.hardVeto||!S.settings.rawConfirm||!raw||!Number.isFinite(raw.score)||raw.score>35) return false;
  return flowEvidenceAssessment(dir,raw.metrics).state==="against";
}
function signalPoolEventKey(rec){
  if(!rec||!rec.patternId||!rec.ts) return null;
  const parsed=parsePatternId(rec.patternId); if(!parsed) return null;
  const idx=S.candles.findIndex(c=>c.time===rec.ts);
  const ctx=idx>=0?patternContext(S.candles):null;
  let crossTs=null;
  if(ctx){
    const lo=Math.max(0,idx-clamp(Math.round(+S.settings.nWindow||3),1,10)-5);
    for(let i=idx;i>=lo;i--){
      const found=patternCrossesAt(ctx,i).find(x=>x.pair===parsed.pair&&x.dir===parsed.dir);
      if(found){crossTs=S.candles[i].time;break;}
    }
  }
  if(crossTs==null) crossTs=rec.ts;
  return `${rec.symbol||S.symbol}:${rec.interval||S.interval}:${parsed.pair}:${parsed.dir}:${crossTs}`;
}
async function attachSignalFlowToPool(rec){
  if(!rec||!rec.flowSnapshot||!await patternPoolInit()) return false;
  const eventKey=signalPoolEventKey(rec); if(!eventKey) return false;
  const old=await dbIndexGet("events","eventKey",eventKey);
  if(old){ old.flowSnapshot=rec.flowSnapshot; old.flowSignalAt=rec.ts; await dbPut("events",old);
    const keys=new Set([old.patternKey,old.coinPatternKey].filter(Boolean)); await patternRecomputeKeys(keys); }
  else await dbPut("metadata",{key:`flowSnapshot:${eventKey}`,value:rec.flowSnapshot,updatedAt:Date.now()});
  return true;
}

function setStatus(st, text, raw=null){
  engine.status = st; engine.statusText = text; engine.lastRaw = raw;
  const cls = "st-" + (st==="IZLEMEDE" ? "IZLEMEDE" : st);
  const pill = $("statusPill");
  pill.className = ""; pill.classList.add(cls);
  pill.textContent = st === "IZLEMEDE" ? "İZLEMEDE" : (st==="NOTR" ? "NÖTR" : st);
  $("sigStatus").className = cls;
  $("sigStatus").textContent = pill.textContent;
  $("sigRule").textContent = text;
  renderDecisionRaw(raw);
  if (st !== "AL" && st !== "SAT"){ patternRenderSignalContext(null); patternRenderChartOverlay(null); }
  hud.comment = comment(st, raw);     // pool state machine stays alive; display is opt-in
  renderHud(true);
  renderSignalAuxiliary();
}
/* ================= 7. LAYER 2 — RAW FLOW CONFIRMATION / SCORING (VETO DISABLED) ================= */
function evaluateRawFlow(dir, idx){
  const calculatedAt = Date.now();
  const s = flowSnapshot(idx);
  const reasons = [];
  const reasonDetails = [];
  const addReason = (text, weight=0) => {
    const order = reasons.length;
    reasons.push(text);
    reasonDetails.push({text, weight, order});
  };
  if (!S.settings.rawConfirm){
    const text = "Raw flow katmanı kapalı: MA/SAR tetikleyicisi direkt gösterildi.";
    addReason(text, 0);
    return {score:null, grade:"HAM", summary:"Ham mod — raw flow kapalı.", reasons, reasonDetails, metrics:s, calculatedAt};
  }

  let score = 55;
  const hasCvd = s.notional60 > 0;
  const hasDepth = (s.bidVol + s.askVol) > 0;
  if (!hasCvd) addReason("CVD veri ısınıyor; agresif alıcı/satıcı teyidi sınırlı.", -6);
  if (!hasDepth) addReason("OBI/depth veri bekleniyor; order book teyidi sınırlı.", -6);

  // Without either trade flow or usable depth there is no defensible flow score.
  if (!hasCvd && !hasDepth){
    return {
      score:null, grade:"VERİ YETERSİZ",
      summary:"Veri yetersiz — CVD ve depth verisi henüz yok.",
      reasons, reasonDetails, metrics:s, insufficient:true, calculatedAt
    };
  }

  if (dir === "SAT"){
    /* Intentional asymmetry: AL may fade a downside cascade, but SAT remains
       continuation-only. Fading an upside cascade risks shorting into a squeeze;
       adding a SAT fade requires separate calibration, so it is not score-mapped here. */
    if (s.cvdBias < -0.12){ score += 14; addReason("Breakdown confirm: CVD agresif satış tarafında.", 14); }
    else if (s.cvdBias < -0.03){ score += 7; addReason("CVD satışa eğimli, SAT yönünü destekliyor.", 7); }
    else if (s.cvdBias > 0.10){ score -= 12; addReason("CVD alıcı tarafta; SAT sinyali zayıfladı.", -12); }

    if (s.obi < -0.10){ score += 10; addReason("OBI ask ağırlıklı; satış duvarı baskın.", 10); }
    else if (s.obi > 0.10){ score -= 8; addReason("OBI bid tarafına dönmüş; SAT kovalamaya dikkat.", -8); }
  } else {
    if (s.cascadeDown){
      if (s.cvdBias > -0.05 || s.cvdSlope > 0){ score += 10; addReason("Fade confirm: satış baskısı tükeniyor, CVD toparlanıyor.", 10); }
      else { score -= 8; addReason("Dump sonrası AL ama CVD hâlâ satıcı; güven düştü.", -8); }
      if (s.obi > 0.08){ score += 10; addReason("OBI bid tarafına döndü; mean-reversion AL destekli.", 10); }
      else if (s.obi < -0.08){ score -= 8; addReason("OBI hâlâ ask baskılı; fade AL erken olabilir.", -8); }
    } else {
      if (s.cvdBias > 0.08){ score += 10; addReason("CVD alıcı tarafta; AL yönü destekli.", 10); }
      else if (s.cvdBias < -0.10){ score -= 10; addReason("CVD satıcı tarafta; AL sinyali zayıfladı.", -10); }
      if (s.obi > 0.10){ score += 8; addReason("OBI bid ağırlıklı; alış tarafı order book'ta güçlü.", 8); }
      else if (s.obi < -0.10){ score -= 7; addReason("OBI ask ağırlıklı; AL için direnç var.", -7); }
    }
  }

  if (s.tightRange){
    score -= 12;
    addReason(`Range filtresi: bant dar (${(s.rangePct*100).toFixed(2)}%); MA/SAR whipsaw riski.`, -12);
  } else if (s.rangePct > 0){
    score += 3;
    addReason("Range yeterince açık; tetikleyici nefes alıyor.", 3);
  }

  if (dir === "SAT" && s.longLiq60 >= (+S.settings.liqMin || 0) && s.takerSpike){
    score += 12; addReason(`Liq-cluster confirm: ${compact(s.longLiq60)} long liq + taker spike.`, 12);
  }
  if (dir === "AL" && s.shortLiq60 >= (+S.settings.liqMin || 0) && s.takerSpike){
    score += 12; addReason(`Liq-cluster confirm: ${compact(s.shortLiq60)} short liq + taker spike.`, 12);
  }
  if (dir === "SAT" && s.shortLiq60 > s.longLiq60*1.5 && s.shortLiq60 >= (+S.settings.liqMin || 0)){
    score -= 5; addReason("Ters liq akışı: short liq yoğun; SAT için squeeze riski var.", -5);
  }
  if (dir === "AL" && s.longLiq60 > s.shortLiq60*1.5 && s.longLiq60 >= (+S.settings.liqMin || 0)){
    score -= 5; addReason("Ters liq akışı: long liq yoğun; AL için bıçak tutma riski var.", -5);
  }

  if (s.oiChangePct < -0.25 && s.takerSpike){
    const weight = dir === "SAT" ? 8 : 4;
    score += weight;
    addReason(`OI ${s.oiChangePct.toFixed(2)}% düştü + taker spike; pozisyon boşalması var.`, weight);
  } else if (s.oiChangePct > 0.25){
    const sameSide = (dir === "SAT" && s.cvdBias < 0) || (dir === "AL" && s.cvdBias > 0);
    const weight = sameSide ? 4 : -2;
    score += weight;
    addReason(`OI ${s.oiChangePct.toFixed(2)}% arttı; yeni pozisyon girişi izleniyor.`, weight);
  }

  if (Number.isFinite(s.funding)){
    if (s.funding > 0.00025 && dir === "SAT") { score += 8; addReason(`Funding pozitif kalabalık (${fundFmt(s.funding)}); long unwind/SAT lehine.`, 8); }
    else if (s.funding < -0.00025 && dir === "AL") { score += 8; addReason(`Funding negatif kalabalık (${fundFmt(s.funding)}); short squeeze/AL lehine.`, 8); }
    else if (s.funding > 0.00025 && dir === "AL") { score -= 5; addReason(`Funding pozitif kalabalık (${fundFmt(s.funding)}); AL tarafı crowded.`, -5); }
    else if (s.funding < -0.00025 && dir === "SAT") { score -= 5; addReason(`Funding negatif kalabalık (${fundFmt(s.funding)}); SAT tarafı crowded.`, -5); }
  }

  const fresh = Math.max(flow.lastTradeTs || 0, flow.lastDepthTs || 0, flow.lastMarkTs || 0);
  if (fresh && Date.now() - fresh > 15000){ score -= 8; addReason("Raw WS taze değil; skor temkinli hesaplandı.", -8); }
  if (!reasons.length) addReason("Raw flow nötr; sinyal ağırlığı MA/SAR çekirdeğinde.", 0);

  score = Math.round(clamp(score, 0, 100));
  const grade = score >= 75 ? "YÜKSEK" : score >= 60 ? "ORTA+" : score >= 45 ? "ORTA" : "ZAYIF";
  return {score, grade, summary:`Akış puanı ${score}/100 · ${grade}`, reasons, reasonDetails, metrics:s, calculatedAt};
}
function signalHistoryId(rec){ return `${rec.symbol||S.symbol}:${rec.interval||S.interval}:${rec.ts}:${rec.dir}`; }
function currentSignalRecord(){
  const active = (engine.activeSignals||[]).find(r => r.symbol===S.symbol && r.interval===S.interval);
  if (active) return active;
  const last = engine.log && engine.log[0];
  return last && last.symbol===S.symbol && last.interval===S.interval ? last : null;
}
function flowEvidenceAssessment(dir, s){
  if (!s || !S.settings.rawConfirm) return {state:"neutral", reason:S.settings.rawConfirm?"Canlı akış verisi henüz yok.":"Raw flow kapalı; bu eksen HAM modda."};
  const checks=[];
  if (s.notional60>0 && Math.abs(s.cvdBias)>=0.05){
    const ok=dir==="AL" ? s.cvdBias>0 : s.cvdBias<0;
    checks.push({name:"CVD",ok});
  }
  if ((s.bidVol+s.askVol)>0 && Math.abs(s.obi)>=0.08){
    const ok=dir==="AL" ? s.obi>0 : s.obi<0;
    checks.push({name:"OBI",ok});
  }
  if ((s.longLiq60+s.shortLiq60)>0){
    const aligned=dir==="AL" ? s.shortLiq60>s.longLiq60*1.15 : s.longLiq60>s.shortLiq60*1.15;
    const opposed=dir==="AL" ? s.longLiq60>s.shortLiq60*1.15 : s.shortLiq60>s.longLiq60*1.15;
    if (aligned||opposed) checks.push({name:"Liq",ok:aligned});
  }
  if (Number.isFinite(s.oiChangePct) && Math.abs(s.oiChangePct)>=0.25 && s.takerSpike && Math.abs(s.cvdBias)>=0.05){
    const aligned=dir==="AL" ? s.cvdBias>0 : s.cvdBias<0;
    checks.push({name:"OI/taker",ok:aligned});
  }
  if (Number.isFinite(s.funding) && Math.abs(s.funding)>=0.00025){
    const ok=dir==="AL" ? s.funding<0 : s.funding>0;
    checks.push({name:"Funding",ok});
  }
  const yes=checks.filter(x=>x.ok), no=checks.filter(x=>!x.ok);
  const state=yes.length>=2 && yes.length>no.length ? "support"
    : no.length>=2 && no.length>yes.length ? "against" : "neutral";
  const detail=checks.length
    ? `${yes.length} destek / ${no.length} ters etkin bileşen (${checks.map(x=>x.name).join(", ")}).`
    : "Eşik aşan yönlü metrik yok; nötr kabul edildi.";
  return {state, reason:detail, checks};
}
function axisLabel(state){ return state==="support" ? "Destekliyor ↑" : state==="against" ? "Ters düşüyor ↓" : "Nötr •"; }
function setEvidenceAxis(prefix, state, text){
  const badge=$(prefix+"EvidenceState"), body=$(prefix+"EvidenceText");
  if (badge){ badge.className=`axisBadge ${state||"neutral"}`; badge.textContent=axisLabel(state||"neutral"); }
  if (body) body.textContent=text||"Veri yok.";
}
function updateSignalEvidenceLive(raw, rec=currentSignalRecord()){
  const dir=rec && (rec.dir==="AL"||rec.dir==="SAT") ? rec.dir : null;
  if (!dir){
    setEvidenceAxis("trend","neutral","Katman 1 tetikleyicisi bekleniyor.");
    setEvidenceAxis("flow","neutral",S.settings.rawConfirm?"Canlı CVD, depth, likidasyon, OI ve funding bekleniyor.":"Raw flow kapalı; akış ekseni HAM modda.");
    const f=$("sigFlowFitValue"); if(f) f.textContent="Sinyal bekleniyor";
    return;
  }
  const blocked=rec.lifecycleState==="ENGELLENDİ";
  setEvidenceAxis("trend","support",`Katman 1 tamam: MA cross + SAR flip + MA${S.settings.ma3} filtresi ${blocked?"gerçekleşti; akış veto kaydı sinyali engelledi.":"uyumlu."}`);
  const assessment=flowEvidenceAssessment(dir,raw&&raw.metrics);
  setEvidenceAxis("flow",assessment.state,assessment.reason);
  const fit=$("sigFlowFitValue");
  if(fit) fit.textContent=`${axisLabel(assessment.state)}${raw&&Number.isFinite(raw.score)?` · ${raw.score}/100`:raw&&raw.grade==="VERİ YETERSİZ"?" · veri yetersiz":" · HAM"}`;
}
async function renderHistoricalEvidence(rec){
  const badge=$("sigSetupQualityValue");
  const histState=$("historyEvidenceState"), histText=$("historyEvidenceText");
  const key=rec ? `${rec.symbol||S.symbol}:${rec.interval||S.interval}:${rec.patternId||""}` : "none";
  const token=engine.evidenceToken=(engine.evidenceToken||0)+1;
  if(!rec || !rec.patternId || !PATTERN_TFS.includes(rec.interval||S.interval)){
    if(badge) badge.textContent=rec?"Veri yok · desen eşleşmedi":"Veri yok · sinyal bekleniyor";
    setEvidenceAxis("history","neutral",rec?"Bu zaman dilimi/desen için havuz örneği yok.":"Sinyal oluşunca havuz karşılaştırması yapılır.");
    if($("patternHist")) patternRenderSignalContext(null);
    engine.evidenceKey=key; return;
  }
  engine.evidenceKey=key;
  let stats=null, globalStats=null, coinStats=null;
  try{
    if(!await patternPoolInit()) throw new Error("IndexedDB kullanılamıyor");
    const tf=rec.interval||S.interval;
    [globalStats,coinStats]=await Promise.all([
      patternGetStats(`${tf}:${rec.patternId}`),
      patternGetStats(`${rec.symbol||S.symbol}:${tf}:${rec.patternId}`)
    ]);
    if(token!==engine.evidenceToken) return;
    stats=coinStats&&coinStats.n>=30?coinStats:globalStats;
    engine.currentPatternStats=stats||null;
    if($("patternHist")) await patternRenderSignalContext(rec.patternId, S.candles.findIndex(c=>c.time===rec.ts));
  }catch(e){
    if(token!==engine.evidenceToken) return;
    engine.currentPatternStats=null;
    if(badge) badge.textContent="Veri yok · havuz depolaması kullanılamıyor";
    setEvidenceAxis("history","neutral","Pattern Pool verisi alınamadı; geçmiş ekseni nötr bırakıldı.");
    return;
  }
  if(token!==engine.evidenceToken) return;
  if(!stats || !stats.n){
    if(badge) badge.textContent="Veri yok · n=0";
    setEvidenceAxis("history","neutral",`${patternName(rec.patternId)} için henüz sonuçlanmış örnek yok (n=0).`);
    return;
  }
  const low=stats.n<30;
  const support=!low && stats.wilsonLower>=50 && stats.avgRet10>0;
  const against=!low && stats.wilsonLower<42 && stats.avgRet10<=0;
  const state=support?"support":against?"against":"neutral";
  const quality=low?`Düşük örnek · n=${stats.n}`:support?`Destekliyor · n=${stats.n}`:against?`Zayıf · n=${stats.n}`:`İzleniyor · n=${stats.n}`;
  if(badge) badge.textContent=quality;
  setEvidenceAxis("history",state,`Wilson alt ${(+stats.wilsonLower||0).toFixed(0)}% · ret10 ${signed(stats.avgRet10,2)}% · MFE/MAE ${(+stats.avgMfe20||0).toFixed(2)}/${(+stats.avgMae20||0).toFixed(2)}% · n=${stats.n}${low?" (düşük örnek; yön iddiası yok)":""}.`);
}
function updateFlowSnapshotPanel(raw, rec=currentSignalRecord()){
  const el=$("sigFlowSnapshotMeta"), winNote=$("sigFlowWindowNote");
  if(!raw || !raw.metrics){ if(el) el.hidden=true; if(winNote) winNote.textContent=""; return; }
  const m=raw.metrics, at=raw.calculatedAt||Date.now();
  const time=new Date(at).toLocaleTimeString("tr-TR",{hour:"2-digit",minute:"2-digit",second:"2-digit"});
  const liq=Number.isFinite(m.longLiq60)&&Number.isFinite(m.shortLiq60)?`L ${compact(m.longLiq60)} / S ${compact(m.shortLiq60)}`:"veri yok";
  const cells=[
    ["CVD",m.notional60>0?`${compact(m.cvd60)} · ${signed(m.cvdBias*100,1)}% bias`:"veri yok"],
    ["OBI",(m.bidVol+m.askVol)>0?pct(m.obi):"veri yok"],
    ["Liq",liq],
    ["OI Δ",Number.isFinite(m.oiChangePct)?`${signed(m.oiChangePct,2)}%`:"veri yok"],
    ["Funding",Number.isFinite(m.funding)?fundFmt(m.funding):"veri yok"]
  ];
  if(el){ el.hidden=false; el.innerHTML=cells.map(([k,v])=>`<span><small>${k}</small><b>${escapeHtml(v)}</b></span>`).join("")+`<span class="sigStamp">Son hesap: ${time}</span>`; }
  const plan=flowWindowPlan(rec&&rec.interval||S.interval);
  if(winNote) winNote.textContent=`Akış penceresi: ${plan.label} · ${rec&&rec.interval||S.interval}${plan.informational?" — yüksek zaman diliminde bilgi amaçlı, tek başına karar ölçütü değildir.":""}`;
}
function renderDecisionRaw(raw){
  const scoreEl=$("sigScore"),fill=$("scoreFill"),conf=$("sigConf"),reasons=$("sigReasons");
  const vetoTag=!S.settings.rawConfirm?"veto devre dışı (raw kapalı)":S.settings.hardVeto?"veto açık":"veto kapalı";
  const vetoNote=!S.settings.rawConfirm?"Raw flow kapalı: veto uygulanmaz.":S.settings.hardVeto?"Sert veto açık: yalnız güçlü ters canlı akış ve 35/100 veya altı koşulunda tetikleyici ENGELLENDİ olarak kaydedilir.":"Veto kapalı: akış sinyali iptal etmez.";
  const scoreLabel=document.querySelector("#view-signal .scoreTop span");
  if(scoreLabel)scoreLabel.textContent=`Akış puanı · canlı, birleşik güven değildir · ${vetoTag}`;
  const rec=currentSignalRecord();
  const blockedNotice=$("sigBlockedNotice");
  if(blockedNotice){
    const blocked=rec&&rec.lifecycleState==="ENGELLENDİ";
    blockedNotice.hidden=!blocked;
    blockedNotice.classList.toggle("blocked",!!blocked);
    blockedNotice.textContent=blocked?`ENGELLENDİ · ${rec.outcomeReason||"Sert veto"}. Marker soluk gösterilir; bu kayıt aktif işlem değildir.`:"";
  }
  if(!raw){
    scoreEl.textContent=S.settings.rawConfirm?"—":"HAM";
    fill.style.width="0%"; fill.style.background="var(--muted)";
    conf.textContent=S.settings.rawConfirm?`Sinyal anında canlı akış ayrıca puanlanır; kurulum geçmişiyle birleştirilmez. ${vetoNote}`:`HAM — raw flow kapalı; Katman 1 davranışı korunur. ${vetoNote}`;
    reasons.innerHTML="";
    updateFlowSnapshotPanel(null,rec);
    updateSignalEvidenceLive(null,rec);
    return;
  }
  if(raw.grade==="VERİ YETERSİZ"){
    scoreEl.textContent="Veri yetersiz"; fill.style.width="0%"; fill.style.background="var(--muted)"; conf.textContent=`${raw.summary} ${vetoNote}`;
  }else if(raw.score==null){
    scoreEl.textContent="HAM"; fill.style.width="0%"; fill.style.background="var(--muted)"; conf.textContent=`${raw.summary} ${vetoNote}`;
  }else{
    scoreEl.textContent=`${raw.score}/100`; fill.style.width=`${raw.score}%`; fill.style.background=scoreColor(raw.score);
    conf.textContent=`${raw.summary}. Bu yalnız akış puanıdır; kurulum kalitesi ayrı gösterilir. ${vetoNote}`;
  }
  const assessment=rec?flowEvidenceAssessment(rec.dir,raw.metrics):{state:"neutral"};
  const fit=$("sigFlowFitValue");
  if(fit) fit.textContent=rec?`${axisLabel(assessment.state)}${Number.isFinite(raw.score)?` · ${raw.score}/100`:raw.grade==="VERİ YETERSİZ"?" · veri yetersiz":" · HAM"}`:"Sinyal bekleniyor";
  const dir=rec&&rec.dir;
  updateSignalEvidenceLive(raw,rec);
  updateFlowSnapshotPanel(raw,rec);
  const ranked=raw.reasonDetails&&raw.reasonDetails.length
    ?raw.reasonDetails.slice().sort((a,b)=>Math.abs(+b.weight||0)-Math.abs(+a.weight||0)||a.order-b.order)
    :(raw.reasons||[]).map((text,order)=>({text,weight:0,order}));
  const renderReason=x=>`<div class="reason" data-weight="${Number.isFinite(+x.weight)?+x.weight:0}"><span class="reasonWeight">${(+x.weight>0?"+":+x.weight<0?"−":"")}${Math.abs(+x.weight||0)}</span><span class="reasonText">${escapeHtml(x.text)}</span></div>`;
  const first=ranked.slice(0,3), rest=ranked.slice(3);
  reasons.innerHTML=first.map(renderReason).join("")+(rest.length?`<button class="reasonMore" type="button" aria-expanded="false">Tümünü göster (${rest.length})</button><div class="reasonRest" hidden>${rest.map(renderReason).join("")}</div>`:"");
  const more=reasons.querySelector(".reasonMore"), restBox=reasons.querySelector(".reasonRest");
  if(more&&restBox) more.onclick=()=>{ const open=!restBox.hidden; restBox.hidden=open; more.setAttribute("aria-expanded",String(!open)); more.textContent=open?`Tümünü göster (${rest.length})`:"Daha az göster"; };
  if(dir && rec && rec.flowScoreAtSignal!=null && raw.score!=null){
    const d=raw.score-rec.flowScoreAtSignal;
    const base=rec.flowSnapshot&&Number.isFinite(rec.flowSnapshot.cvdBias)&&raw.metrics&&Number.isFinite(raw.metrics.cvdBias)
      ?` · CVD bias ${signed((raw.metrics.cvdBias-rec.flowSnapshot.cvdBias)*100,1)} puan`:"";
    const stamp=$("sigConf"); if(stamp) stamp.textContent+=` · Sinyalden beri akış puanı ${signed(d,0)}${base}.`;
  }
}
function renderSignalEvidence(raw=null){
  const rec=currentSignalRecord();
  updateSignalEvidenceLive(raw,rec);
  const key=rec?`${rec.symbol}:${rec.interval}:${rec.patternId||""}`:"none";
  if(key!==engine.evidenceKey) renderHistoricalEvidence(rec).catch(e=>console.warn("geçmiş ekseni hata",e));
}
function refreshSignalDecision(now=Date.now(),force=false){
  if(!force && now-(engine.lastDecisionAt||0)<1000) return;
  const rec=currentSignalRecord();
  if(!rec || !["AL","SAT"].includes(rec.dir)) return;
  if(rec.lifecycleState==="ENGELLENDİ" && !force) return;
  engine.lastDecisionAt=now;
  const raw=evaluateRawFlow(rec.dir,Math.max(0,S.candles.length-1));
  engine.lastRaw=raw;
  renderDecisionRaw(raw);
}
/* ================= 8. YORUM MOTORU — İstanbul Arka Sokak Jargonu ================= */
const POOL = {
  AL_HIGH: [
    "Kanka yeşil minibüs durağa yanaştı; AL tarafında hem tabela hem akış aynı yere bakıyor.",
    "Boğa Kadıköy vapuru gibi kalkmış; skor yüksek, ama yine de can simidi stopsuz binme.",
    "Reis mahallede alıcılar davulu çalıyor; MA/SAR tamam, raw flow da arkadan itiyor.",
    "Bu AL boş naradan değil; CVD/OBI de omuz vermiş, sokak şimdilik yukarı diyor.",
    "Abi kurgu üçlü çay gibi demli: cross, SAR, flow. Frene basmayı unutma yeter.",
    "Boğa kapıyı tekmelememiş, anahtarla açmış; güven yüksek, plan net olsun.",
    "Alıcı tayfa sahaya inmiş kanka; skor güçlü, trade defterine temiz yazılır.",
    "Sarıyer yokuşu değil, şimdilik asansör modu; AL güvenli görünüyor ama rehavet yok.",
    "Flow arkadan selektör yakıyor: AL yolu açık, makas atma; kontrollü git.",
    "Grafik 'ben yukarı giderim' diye imza atmış; raw flow da şahit olmuş."
  ],
  AL_MID: [
    "AL var kanka ama mahalle tam ikna değil; poz küçük, göz büyük olsun.",
    "Boğa kafayı uzattı, flow fena değil; yine de kapıyı açık bırakma.",
    "Cross/SAR tamam, raw flow orta şeker; kahveyi iç ama falına fazla güvenme.",
    "Yukarı niyet var reis; skor orta, stop cebinde dursun.",
    "Alıcılar masada ama hesabı henüz ödemedi; sinyal var, temkin de var.",
    "Bu AL 'olur gibi' diyor; İstanbul trafiği misali her an sıkışabilir.",
    "Mahalle yukarı bakıyor ama herkes bağırmıyor; dozunda gir, abartma.",
    "Boğa korna çaldı, konvoy küçük; güven orta, planlı git.",
    "AL sinyali pişti ama altı kısık; aceleci olmayan kazanır.",
    "Reis yeşil ışık yandı, ama kavşakta kamyon var; skoru ciddiye al."
  ],
  AL_LOW: [
    "AL çıktı ama flow yan çiziyor kanka; bıçak mı, fırsat mı dikkat et.",
    "Boğa ses verdi fakat sokak kalabalık değil; düşük güven, gaza abanma.",
    "Grafik AL diyor, raw flow 'bir dakika abi' diyor; küçük oyna ya da izle.",
    "Bu yeşil sinyalde sis var; stop yoksa mahalle karışır.",
    "Alıcılar kapıyı çaldı ama içeriden ses az; güven zayıf, şov yapma.",
    "Kanka bu AL çay ocağı dedikodusu gibi: var ama teyit zayıf.",
    "Sinyal var, omuz zayıf; balıklama atlayan ıslanır.",
    "Boğa tek başına gelmiş, ekip yok; düşük skorla kahramanlık yapma.",
    "Yeşil ok geldi ama flow ters bakıyor; kontrollü değilsen pas geç.",
    "AL tabelası asıldı, müşteri az; bu dükkâna küçük sermaye yakışır."
  ],
  SAT_HIGH: [
    "Kanka ayı kepengi indirdi; SAT tarafında hem grafik hem flow aynı ağızdan konuşuyor.",
    "Death cross boş gelmemiş; raw flow da aşağı mahalleye taşınmış.",
    "Satıcılar Eminönü kalabalığı gibi bastı; skor yüksek, plan net olsun.",
    "Ayı kapıda değil, salonda oturuyor reis; SAT güveni sağlam.",
    "Bu SAT tabelası neon gibi yanıyor; CVD/OBI arkadan destek vermiş.",
    "Grafik aşağı imza atmış, flow mührü basmış; stopsuz artistlik yok.",
    "Kırılım devam kokuyor abi; satıcı tayfa direksiyonda.",
    "Ayı yokuştan frensiz iniyor; yüksek güven ama risk kemeri takılı.",
    "SAT kurgusu üçlü pres yaptı; alıcılar şimdilik köşeye sıkışmış.",
    "Piyasa aşağıya adres sormuyor, yolu biliyor; skor güçlü."
  ],
  SAT_MID: [
    "SAT var kanka, ama ayı da temkinli yürüyor; skoru orta oku.",
    "Death cross tamam, flow fena değil; fazla artistlik yapmadan takip.",
    "Aşağı niyet var reis; ama mahallede hâlâ karşı ses duyuluyor.",
    "Satıcılar masaya oturdu, pazarlık bitmedi; orta güven.",
    "Bu SAT 'olabilir' diyor; stopu kapının önüne koy.",
    "Ayı korna çaldı ama konvoy kısa; pozisyonu da kısa tut.",
    "Kırılım var, teyit yarım demli; aceleyle dükkân kapatma.",
    "Aşağı sinyal pişti ama servis sıcak değil; kontrollü git.",
    "Sokak biraz ayı biraz kararsız; skor orta, risk net olsun.",
    "SAT oku geldi, flow orta şeker; kahramanlık değil disiplin zamanı."
  ],
  SAT_LOW: [
    "SAT çıktı ama flow omuz vermiyor kanka; ayı tek başına kalmış olabilir.",
    "Aşağı ok var, teyit zayıf; ters squeeze tokadına dikkat.",
    "Grafik SAT diyor, raw flow 'dur hele' diyor; düşük güven.",
    "Bu kırmızı sinyal biraz sisli; acele eden Bağcılar trafiğine kalır.",
    "Satıcılar bağırdı ama kalabalık değil; skor zayıf, doz küçük.",
    "Death cross geldi diye dükkânı yakma; flow teyidi ince.",
    "Ayı kapıyı tıklattı, içeri girmedi; düşük skorla sakin kal.",
    "SAT tabelası var ama elektrik titriyor; plan yoksa pas geç.",
    "Aşağı niyet zayıf teyitli; ters rüzgârda şemsiye kırılır.",
    "Kanka bu SAT dedikodu gibi: kulağa geliyor ama belge az."
  ],
  IZLEMEDE: [
    "Cross geldi ama SAR daha ikna olmadı — çayını koy, bekliyoruz.",
    "Yarım kurgu abi, yarım. Whipsaw'a gelmeyelim, pencere dolana kadar sabır.",
    "Bir ayak bastı, öbürü havada. Erken atlayan ıslanır.",
    "Sinyal fırında, pişmeden servis yok.",
    "Mahallede söylenti var ama imza yok; izlemede kal.",
    "Kanka daha nikâh kıyılmadı, sadece söz kesildi; SAR flip bekleniyor.",
    "Grafik kapıyı araladı, içeri girmedi; sabırsız trade tokat yer.",
    "Sarı ışık yanıyor reis; gaza değil frene yakın dur.",
    "Kesişim var, teyit yok; sokak dilinde bunun adı beklemedir.",
    "Kurgu mayalanıyor; ham ham yenirse mide bozar."
  ],
  NOTR: [
    "Piyasa esniyor abi, ortada iş yok — kenarda dur.",
    "Ne cross ne flip; boşa kürek çekme, izle.",
    "Sokak sessiz, ortalamalar uykuda. Uyandıran olursa haber veririm.",
    "Şu an trade değil, sabır zamanı reis.",
    "Grafik çay molasında; sinyal çıkmadan gürültü yapma.",
    "Mahalle sakin, dükkânlar kapalı; tetikleyici yok.",
    "Kanka şu an piyasa 'bana bulaşma' modunda.",
    "Ortada net yol yok; İstanbul tabelası gibi her ok başka yere bakıyor.",
    "Nötr alan, en iyi pozisyon bazen pozisyonsuzluktur.",
    "Sinyal yok, yorum çok; parayı dedikoduya yatırmıyoruz."
  ],
  HAM: [
    "Ham mod açık kanka; MA/SAR konuştu, flow mahkemeye çağrılmadı.",
    "Raw flow kapalı, karar çıplak grafikle geldi; stopu iki kere kontrol et.",
    "Bu sinyal sade kahve: telvesi MA/SAR, şekeri yok.",
    "Flow teyidi yok reis; tabela var ama zabıta imzası eksik.",
    "Ham sinyal geldi; mahalle yoklaması yapılmadan yürüyorsun.",
    "MA/SAR tamam, raw flow dışarıda kaldı; temkin modunu aç.",
    "Bu karar çıplak motor kararı; gürültüyü ölçmedik.",
    "Flow kapalıyken güven skoru yok; direksiyonda tamamen sen varsın."
  ]
};
let lastComment = "";
function comment(st, raw){
  if (raw && raw.grade === "VERİ YETERSİZ" && (st === "AL" || st === "SAT"))
    return `${st} sinyali var; akış verisi yetersiz, güven puanı üretilmedi.`;
  let key;
  if (raw && raw.score == null && (st === "AL" || st === "SAT")) key = "HAM";
  else if (st === "AL") key = raw && raw.score >= 75 ? "AL_HIGH" : raw && raw.score < 45 ? "AL_LOW" : "AL_MID";
  else if (st === "SAT") key = raw && raw.score >= 75 ? "SAT_HIGH" : raw && raw.score < 45 ? "SAT_LOW" : "SAT_MID";
  else key = st === "IZLEMEDE" ? "IZLEMEDE" : "NOTR";
  const pool = POOL[key] || POOL.NOTR;
  let pick;
  do { pick = pool[Math.floor(Math.random()*pool.length)]; } while (pick === lastComment && pool.length > 1);
  lastComment = pick;
  /* T2: skor YALNIZCA çipin de skor gösterdiği durumda (AL/SAT) yazılır; skorlu bir
     yorum satırı çipsiz durumda ekranda ikinci bir güven sayısı gibi okunuyordu.
     Buradaki raw, setStatus'a giden ve hemen ardından log'a yazılan aynı nesnedir. */
  if ((st === "AL" || st === "SAT") && raw && raw.score != null){
    const firstReason = raw.reasons && raw.reasons[0] ? ` ${raw.reasons[0]}` : "";
    return `${pick} Yön: ${st}, güven ${confidenceInfo(raw.score, raw.grade).text}.${firstReason}`;
  }
  if ((st === "AL" || st === "SAT") && raw) return `${pick} Yön: ${st}, güven: HAM.`;
  return pick;
}
/* ================= 9. CHART / UI RENDER ================= */
let chart, candleSeries, volSeries, maSeries = [], sarSeries, bbSeries = [], vwapSeries, rsiSeries, macdLineSeries, macdSignalSeries, macdHistSeries;
const themeOpts = () => ({
  layout: { background: { color: getComputedStyle(document.documentElement).getPropertyValue("--bg").trim() },
            textColor: getComputedStyle(document.documentElement).getPropertyValue("--muted").trim() },
  grid: { vertLines:{ color:"rgba(120,130,140,0.08)" }, horzLines:{ color:"rgba(120,130,140,0.08)" } },
  /* 0.x: lightweight-charts defaults localization.locale to navigator.language;
     a malformed tag (e.g. "en-US@posix") makes formatTickmark throw a RangeError
     on every repaint. Pin it explicitly. */
  localization: { locale: "en-US" },
  timeScale: { timeVisible:true, secondsVisible:false },
  crosshair: { mode: 0 }
});
function initChart(symbol){
  const precision = S.pricePrecision[symbol] ?? 4;
  const tickSize = S.tickSize[symbol] ?? 0.0001;
  const priceFmt = { type: 'price', precision, minMove: tickSize };
  chart = LightweightCharts.createChart($("chart"), themeOpts());
  candleSeries = chart.addCandlestickSeries({
    upColor:"#26a69a", downColor:"#ef5350", borderVisible:false,
    wickUpColor:"#26a69a", wickDownColor:"#ef5350",
    priceFormat: priceFmt
  });
  volSeries = chart.addHistogramSeries({
    priceFormat:{type:"volume"}, priceScaleId:"vol"
  });
  const maColors = ["#e0b64c", "#4c8ce0", "#b06ce0"];
  maSeries = maColors.map(() => chart.addLineSeries({ priceLineVisible:false, lastValueVisible:false }));
  sarSeries = chart.addLineSeries({ lineStyle:LightweightCharts.LineStyle.Dotted,
    priceLineVisible:false, lastValueVisible:false });
  bbSeries = [
    chart.addLineSeries({ priceLineVisible:false, lastValueVisible:false }),
    chart.addLineSeries({ priceLineVisible:false, lastValueVisible:false }),
    chart.addLineSeries({ priceLineVisible:false, lastValueVisible:false })
  ];
  vwapSeries = chart.addLineSeries({ priceLineVisible:false, lastValueVisible:false });
  rsiSeries = chart.addLineSeries({ priceScaleId:"rsi", priceLineVisible:false, lastValueVisible:false });
  macdHistSeries = chart.addHistogramSeries({ priceScaleId:"macd", priceLineVisible:false, lastValueVisible:false });
  macdLineSeries = chart.addLineSeries({ priceScaleId:"macd", priceLineVisible:false, lastValueVisible:false });
  macdSignalSeries = chart.addLineSeries({ priceScaleId:"macd", priceLineVisible:false, lastValueVisible:false });
  applyLineStyles();
  chart.priceScale("right").applyOptions({ borderVisible:false });
  chart.priceScale("vol").applyOptions({ borderVisible:false });
  chart.priceScale("rsi").applyOptions({ borderVisible:false });
  chart.priceScale("macd").applyOptions({ borderVisible:false });
  applyPanelLayout();
  // 0.3: one observer per document. initChart() runs again on every symbol
  // switch; the previous observer used to stay connected forever.
  if (chartRO) { try { chartRO.disconnect(); } catch(e){} chartRO = null; }
  chartRO = new ResizeObserver(() => {
    chart.resize($("chartWrap").clientWidth, $("chartWrap").clientHeight);
    const r = $("chartWrap").getBoundingClientRect(), dpr = window.devicePixelRatio||1;
    for (const cv of [overlayCv, heatCv]){
      if (!cv) continue;
      cv.width = r.width*dpr; cv.height = r.height*dpr;
      cv.style.width = r.width+'px'; cv.style.height = r.height+'px';
    }
    if (ctxO && ctxH){ ctxO.setTransform(dpr,0,0,dpr,0,0); ctxH.setTransform(dpr,0,0,dpr,0,0); }
    markOverlayDirty();
    positionPanelHeads();
  });
  chartRO.observe($("chartWrap"));
  // initial size for canvases
  setTimeout(()=>{
    const r = $("chartWrap").getBoundingClientRect(), dpr = window.devicePixelRatio||1;
    for (const cv of [overlayCv, heatCv]){
      if (!cv) continue;
      cv.width = r.width*dpr; cv.height = r.height*dpr;
      cv.style.width = r.width+'px'; cv.style.height = r.height+'px';
    }
    if (ctxO && ctxH){ ctxO.setTransform(dpr,0,0,dpr,0,0); ctxH.setTransform(dpr,0,0,dpr,0,0); }
  }, 50);
  chart.timeScale().subscribeVisibleLogicalRangeChange(markOverlayDirty);
  chart.timeScale().subscribeVisibleLogicalRangeChange(() => {
    clearTimeout(rangeSaveTimer);
    rangeSaveTimer = setTimeout(saveVisibleRange, 400);
  });
}
// Ayarlar sekmesindeki renk/kalınlık tercihlerini tüm çizgi serilerine uygular.
function hexToRgba(hex, alpha){
  const h = (hex||"#888888").replace("#","");
  const full = h.length===3 ? h.split("").map(c=>c+c).join("") : h;
  const n = parseInt(full,16) || 0x888888;
  const r=(n>>16)&255, g=(n>>8)&255, b=n&255;
  return `rgba(${r},${g},${b},${alpha})`;
}
function applyLineStyles(){
  if(typeof renderSettingsPreview==="function")renderSettingsPreview();
  if (!chart || !maSeries.length) return;
  const s = S.settings;
  maSeries[0].applyOptions({ color:s.ma1Color, lineWidth:+s.ma1Width||1 });
  maSeries[1].applyOptions({ color:s.ma2Color, lineWidth:+s.ma2Width||1 });
  maSeries[2].applyOptions({ color:s.ma3Color, lineWidth:+s.ma3Width||1 });
  sarSeries.applyOptions({ color:s.sarColor, lineWidth:+s.sarWidth||1 });
  bbSeries[0].applyOptions({ color:hexToRgba(s.bbColor,0.75), lineWidth:+s.bbWidth||1 });
  bbSeries[1].applyOptions({ color:hexToRgba(s.bbColor,0.35), lineWidth:+s.bbWidth||1 });
  bbSeries[2].applyOptions({ color:hexToRgba(s.bbColor,0.75), lineWidth:+s.bbWidth||1 });
  vwapSeries.applyOptions({ color:s.vwapColor, lineWidth:+s.vwapWidth||1 });
  rsiSeries.applyOptions({ color:s.rsiColor, lineWidth:+s.rsiWidth||1 });
  macdLineSeries.applyOptions({ color:s.macdColor, lineWidth:+s.macdWidth||1 });
  macdSignalSeries.applyOptions({ color:s.macdSignalColor, lineWidth:+s.macdSignalWidth||1 });
}
function settingsPreviewRgb(value){
  const m=String(value||"").trim().match(/^#([0-9a-f]{3}|[0-9a-f]{6})$/i);if(!m)return null;
  let h=m[1];if(h.length===3)h=h.split("").map(c=>c+c).join("");
  return [parseInt(h.slice(0,2),16),parseInt(h.slice(2,4),16),parseInt(h.slice(4,6),16)];
}
function settingsPreviewLuminance(rgb){
  const lin=v=>{v/=255;return v<=0.04045?v/12.92:Math.pow((v+0.055)/1.055,2.4);};
  return 0.2126*lin(rgb[0])+0.7152*lin(rgb[1])+0.0722*lin(rgb[2]);
}
function updateSettingsContrast(){
  const el=$("settingsContrastWarning");if(!el)return;
  const bg=settingsPreviewRgb(getComputedStyle(document.documentElement).getPropertyValue("--bg"));
  if(!bg){el.hidden=false;el.className="settingsContrastWarning isWarn";el.textContent="Tema kontrastı okunamadı; çizgi renklerini gözle kontrol et.";return;}
  const bgLum=settingsPreviewLuminance(bg),items=[];
  const add=(enabled,label,key)=>{if(enabled){const rgb=settingsPreviewRgb(S.settings[key]);if(rgb){const lum=settingsPreviewLuminance(rgb),ratio=(Math.max(bgLum,lum)+0.05)/(Math.min(bgLum,lum)+0.05);items.push({label,ratio});}}};
  add(S.settings.showMa,"MA hızlı","ma1Color");add(S.settings.showMa,"MA orta","ma2Color");add(S.settings.showMa,"MA yavaş","ma3Color");
  add(S.settings.showSar,"SAR","sarColor");add(S.settings.showBB,"Bollinger","bbColor");add(S.settings.showVwap,"VWAP","vwapColor");
  add(S.settings.showRsi,"RSI","rsiColor");add(S.settings.showMacd,"MACD","macdColor");add(S.settings.showMacd,"MACD sinyal","macdSignalColor");
  const low=items.filter(x=>x.ratio<3);
  el.hidden=false;el.classList.toggle("isWarn",low.length>0);el.classList.toggle("isOk",!low.length&&items.length>0);
  el.textContent=low.length?`Tema kontrast uyarısı (<3:1): ${low.map(x=>`${x.label} ${x.ratio.toFixed(1)}:1`).join(", ")}. Rengi değiştir veya temayı kontrol et.`:
    items.length?`Kontrast kontrolü: görünür çizgiler zemine karşı 3:1 eşiğini sağlıyor.`:"Kontrast kontrolü: görünür gösterge çizgisi yok.";
}
function renderSettingsPreview(){
  const svg=$("settingsPreviewSvg"),empty=$("settingsPreviewEmpty"),info=$("settingsPreviewInfo");
  if(!svg)return;
  updateSettingsContrast();
  const all=(Array.isArray(S.candles)?S.candles:[]).filter(c=>c&&Number.isFinite(+c.time)&&Number.isFinite(+c.open)&&Number.isFinite(+c.high)&&Number.isFinite(+c.low)&&Number.isFinite(+c.close)&&+c.high>=+c.low);
  if(!all.length){svg.style.display="none";svg.setAttribute("aria-hidden","true");svg.innerHTML="";svg.removeAttribute("data-candles-count");if(empty)empty.hidden=false;if(info)info.textContent="Mum verisi bekleniyor";return;}
  const shown=all.slice(-48),offset=all.length-shown.length,closes=all.map(c=>+c.close),s=S.settings;
  if(info)info.textContent=`${S.symbol} · ${S.interval} · son ${shown.length} mum`;
  svg.style.display="block";svg.removeAttribute("aria-hidden");if(empty)empty.hidden=true;svg.dataset.candlesCount=String(shown.length);
  svg.setAttribute("aria-label",`Gerçek mum verisiyle ${S.symbol} ${S.interval} görünüm önizlemesi; ${shown.length} mum`);
  const W=360,H=160,left=8,right=352,top=5,bottom=155,fullH=bottom-top,plotW=right-left,slot=plotW/shown.length;
  const periods=[Math.max(2,Math.round(+s.ma1||9)),Math.max(3,Math.round(+s.ma2||21)),Math.max(5,Math.round(+s.ma3||50))];
  const overlays=[];
  if(s.showMa)periods.forEach((p,i)=>overlays.push({key:["ma1","ma2","ma3"][i],values:sma(closes,p),color:s[["ma1Color","ma2Color","ma3Color"][i]],width:s[["ma1Width","ma2Width","ma3Width"][i]]}));
  if(s.showSar){const v=psar(all,+s.sarStep||0.02,+s.sarMax||0.2).sar;overlays.push({key:"sar",values:v,color:s.sarColor,width:s.sarWidth,dash:"2 2"});}
  if(s.showBB){const bb=bollinger(all,Math.max(2,Math.round(+s.bbPeriod||20)),Math.max(.1,+s.bbStd||2));overlays.push({key:"bbUpper",values:bb.upper,color:s.bbColor,width:s.bbWidth,opacity:.82},{key:"bbMid",values:bb.mid,color:s.bbColor,width:s.bbWidth,opacity:.5},{key:"bbLower",values:bb.lower,color:s.bbColor,width:s.bbWidth,opacity:.82});}
  if(s.showVwap)overlays.push({key:"vwap",values:vwapCalc(all),color:s.vwapColor,width:s.vwapWidth});
  let rsiVals=null,macd=null;
  if(s.showRsi)rsiVals=rsiSeriesCalc(closes,Math.max(2,Math.round(+s.rsiPeriod||14)));
  if(s.showMacd)macd=macdCalc(closes,Math.max(2,Math.round(+s.macdFast||12)),Math.max(3,Math.round(+s.macdSlow||26)),Math.max(2,Math.round(+s.macdSignal||9)));
  const panels=PANEL_DEFS.filter(d=>s[d.showKey]).map(d=>({def:d,collapsed:!!s[d.collapseKey],ratio:s[d.collapseKey]?VW_PANEL_CHIP:clamp(+(s[d.heightKey]||0.17),.06,.35)}));
  const panelRaw=panels.reduce((sum,p)=>sum+p.ratio,0),factor=panelRaw>.75?.75/panelRaw:1;
  const reserved=panels.length?panelRaw*factor:.08,mainBottom=top+fullH*(1-reserved),mainH=Math.max(2,mainBottom-top);
  const rangeValues=[];
  shown.forEach(c=>rangeValues.push(+c.high,+c.low,+c.open,+c.close));
  overlays.forEach(o=>o.values.slice(offset).forEach(v=>{if(Number.isFinite(v))rangeValues.push(v);}));
  let min=Math.min(...rangeValues),max=Math.max(...rangeValues);
  if(!Number.isFinite(min)||!Number.isFinite(max)){min=0;max=1;}
  if(max===min){const pad=Math.max(Math.abs(max)*.005,1e-6);min-=pad;max+=pad;}
  const pad=(max-min)*.06;min-=pad;max+=pad;
  const yPrice=v=>mainBottom-(v-min)/(max-min)*mainH;
  const xAt=i=>left+(i+.5)*slot;
  const pathFor=(values,yFn)=>{
    const pts=[];for(let i=0;i<shown.length;i++){const v=values[offset+i];if(Number.isFinite(v))pts.push(`${xAt(i).toFixed(2)},${yFn(v).toFixed(2)}`);}
    return pts.length>1?pts.join(" "):"";
  };
  const parts=[`<rect x="0" y="0" width="${W}" height="${H}" fill="var(--bg)"/>`];
  for(let g=1;g<=2;g++){const y=top+mainH*g/3;parts.push(`<line x1="${left}" y1="${y.toFixed(2)}" x2="${right}" y2="${y.toFixed(2)}" stroke="var(--border)" stroke-width=".7" opacity=".65"/>`);}
  shown.forEach((c,i)=>{
    const x=xAt(i),up=+c.close>=+c.open,color=up?"var(--up)":"var(--down)";
    const yH=yPrice(+c.high),yL=yPrice(+c.low),yO=yPrice(+c.open),yC=yPrice(+c.close),bodyY=Math.min(yO,yC),bodyH=Math.max(1,Math.abs(yO-yC)),bodyW=Math.max(1.2,Math.min(6,slot*.62));
    parts.push(`<line x1="${x.toFixed(2)}" y1="${yH.toFixed(2)}" x2="${x.toFixed(2)}" y2="${yL.toFixed(2)}" stroke="${color}" stroke-width="1"/>`);
    parts.push(`<rect x="${(x-bodyW/2).toFixed(2)}" y="${bodyY.toFixed(2)}" width="${bodyW.toFixed(2)}" height="${bodyH.toFixed(2)}" fill="${color}"/>`);
  });
  overlays.forEach(o=>{
    const pts=pathFor(o.values,yPrice);if(!pts)return;
    const color=settingsPreviewRgb(o.color)?o.color:"#9aa4ae",width=clamp(+o.width||1,1,4),dash=o.dash?` stroke-dasharray="${o.dash}"`:"";
    const opacity=o.opacity==null?1:clamp(+o.opacity||0,0,1);
    parts.push(`<polyline points="${pts}" fill="none" stroke="${color}" stroke-opacity="${opacity}" stroke-width="${width}" stroke-linejoin="round" stroke-linecap="round" vector-effect="non-scaling-stroke"${dash}/>`);
  });
  let panelY=mainBottom;
  panels.forEach((p,index)=>{
    const h=fullH*p.ratio*factor,y=panelY,def=p.def;
    parts.push(`<rect data-panel="${def.key}" data-panel-height="${h.toFixed(2)}" x="${left}" y="${y.toFixed(2)}" width="${plotW}" height="${Math.max(1,h).toFixed(2)}" fill="var(--panel)" stroke="var(--border)" stroke-width=".7"/>`);
    if(h>=7)parts.push(`<text x="${left+3}" y="${(y+Math.min(8,h-1)).toFixed(2)}" fill="var(--muted)" font-size="6">${def.label}</text>`);
    const dataTop=y+Math.min(4,h*.2),dataH=Math.max(1,h-Math.min(5,h*.24));
    if(!p.collapsed&&def.key==="rsi"&&rsiVals){
      if(s.refLines){[30,50,70].forEach(v=>{const yy=dataTop+(100-v)/100*dataH;parts.push(`<line x1="${left}" y1="${yy.toFixed(2)}" x2="${right}" y2="${yy.toFixed(2)}" stroke="var(--border)" stroke-width=".5"/>`);});}
      const pts=pathFor(rsiVals,v=>dataTop+(100-v)/100*dataH);
      if(pts)parts.push(`<polyline points="${pts}" fill="none" stroke="${settingsPreviewRgb(s.rsiColor)?s.rsiColor:"#fdd835"}" stroke-width="${clamp(+s.rsiWidth||1,1,4)}" vector-effect="non-scaling-stroke"/>`);
    }else if(!p.collapsed&&def.key==="macd"&&macd){
      const vals=[...macd.line.slice(offset),...macd.signal.slice(offset),...macd.hist.slice(offset)].filter(Number.isFinite),abs=Math.max(1e-9,...vals.map(Math.abs)),zero=y+dataH/2;
      parts.push(`<line x1="${left}" y1="${zero.toFixed(2)}" x2="${right}" y2="${zero.toFixed(2)}" stroke="var(--border)" stroke-width=".5"/>`);
      macd.hist.slice(offset).forEach((v,i)=>{if(!Number.isFinite(v))return;const bh=Math.abs(v)/abs*dataH*.42,bx=xAt(i),bw=Math.max(1,slot*.48);parts.push(`<rect x="${(bx-bw/2).toFixed(2)}" y="${(v>=0?zero-bh:zero).toFixed(2)}" width="${bw.toFixed(2)}" height="${Math.max(.5,bh).toFixed(2)}" fill="${v>=0?"var(--up)":"var(--down)"}" opacity=".65"/>`);});
      const ym=v=>zero-v/abs*dataH*.42,lp=pathFor(macd.line,ym),sp=pathFor(macd.signal,ym);
      if(lp)parts.push(`<polyline points="${lp}" fill="none" stroke="${settingsPreviewRgb(s.macdColor)?s.macdColor:"#00bcd4"}" stroke-width="${clamp(+s.macdWidth||1,1,4)}" vector-effect="non-scaling-stroke"/>`);
      if(sp)parts.push(`<polyline points="${sp}" fill="none" stroke="${settingsPreviewRgb(s.macdSignalColor)?s.macdSignalColor:"#ff7043"}" stroke-width="${clamp(+s.macdSignalWidth||1,1,4)}" vector-effect="non-scaling-stroke"/>`);
    }else if(!p.collapsed&&def.key==="vol"){
      const maxVol=Math.max(1,...shown.map(c=>+c.volume||0));
      shown.forEach((c,i)=>{const val=+c.volume||0,bh=val/maxVol*dataH,bw=Math.max(1,slot*.5);parts.push(`<rect x="${(xAt(i)-bw/2).toFixed(2)}" y="${(y+ h-bh).toFixed(2)}" width="${bw.toFixed(2)}" height="${Math.max(.5,bh).toFixed(2)}" fill="${+c.close>=+c.open?"var(--up)":"var(--down)"}" opacity=".58"/>`);});
    }
    panelY+=h;
  });
  svg.innerHTML=parts.join("");
}
// Görünür panellere göre (RSI/MACD/Hacim) mumlar için dinamik yükseklik ayarı.
// Kapalı panel varsa boşluğu otomatik olarak mum grafiğine ekler.
function applyPanelLayout(){
  if (!chart) return;
  // 0.6: lightweight-charts rejects margins outside [0,1]; float error
  // (1 - (0.89 + 0.11) = -2.2e-16) used to throw and kill the whole boot.
  const m = v => { const n = Number(v); return !Number.isFinite(n) ? 0 : Math.min(1 - 1e-9, Math.max(0, n)); };
  const topPad = 0.05;
  /* Stage 1: each band is driven by settings — hidden → 0, collapsed → chip,
     open → user height (clamped). The candle area therefore grows/shrinks. */
  const hFor = d => {
    if (!S.settings[d.showKey]) return 0;
    if (S.settings[d.collapseKey]) return VW_PANEL_CHIP;
    return clamp(+(S.settings[d.heightKey] || 0.17), 0.06, 0.35);
  };
  const heights = {};
  let reserved = 0;
  PANEL_DEFS.forEach(d => { heights[d.key] = hFor(d); reserved += heights[d.key]; });
  const MAX_RESERVED = 0.75;                     // never eat the whole chart
  if (reserved > MAX_RESERVED){
    const k = MAX_RESERVED / reserved;
    PANEL_DEFS.forEach(d => { heights[d.key] *= k; });
    reserved = MAX_RESERVED;
  }
  const candleBottom = reserved > 0 ? reserved : 0.08;
  chart.priceScale("right").applyOptions({ scaleMargins:{ top: m(topPad), bottom: m(candleBottom) } });
  let cursor = 1 - candleBottom;
  PANEL_DEFS.forEach(d => {
    const h = heights[d.key];
    if (h <= 0) return;
    const top = cursor, bottom = 1 - (cursor + h);
    chart.priceScale(d.key).applyOptions({ scaleMargins:{ top: m(top), bottom: m(bottom) } });
    cursor += h;
  });
  positionPanelHeads();
}
/* T1: göstergeler canlı (kapanmamış) mumu da hesaba katar; aksi halde MA/RSI/MACD
   bir mum geriden gelir ve fiyatla gösterge birbirini tutmaz. S.candles (motorun
   girdisi) DEĞİŞMEZ — yalnızca çizim kopyası canlı mumla uzatılır. */
function liveSeriesCandles(){
  const cs = S.candles;
  if (!liveCandle || !cs.length) return cs;
  const last = cs[cs.length - 1];
  if (liveCandle.time < last.time) return cs;              // bayat canlı mum → yok say
  if (liveCandle.time === last.time){                      // aynı mum kapanmışsa kapanışı kullan
    const out = cs.slice(0, -1); out.push(liveCandle); return out;
  }
  return cs.concat([liveCandle]);
}
let seriesPrimed = false;         // redrawAll en az bir kez tam veri yazdı mı (canlı update için ön koşul)
function redrawAll(){
  const cs = liveSeriesCandles();
  seriesPrimed = !!cs.length;
  candleSeries.setData(cs);
  volSeries.setData(S.settings.showVol ? cs.map(c => ({
    time:c.time, value:c.volume, color: c.close >= c.open ? "rgba(38,166,154,0.45)" : "rgba(239,83,80,0.45)"
  })) : []);
  const closes = cs.map(c => c.close);
  const periods = [S.settings.ma1, S.settings.ma2, S.settings.ma3];
  periods.forEach((p, k) => {
    const m = sma(closes, p);
    maSeries[k].setData(S.settings.showMa ? cs.map((c,j) => m[j]==null?null:{time:c.time,value:m[j]}).filter(Boolean) : []);
  });
  const {sar} = psar(cs, S.settings.sarStep, S.settings.sarMax);
  sarSeries.setData(S.settings.showSar ? lineData(cs, sar) : []);

  const bbP = Math.max(2, Math.round(+S.settings.bbPeriod || 20));
  const bbStd = Math.max(0.1, +S.settings.bbStd || 2);
  const bb = bollinger(cs, bbP, bbStd);
  bbSeries[0].setData(S.settings.showBB ? lineData(cs, bb.upper) : []);
  bbSeries[1].setData(S.settings.showBB ? lineData(cs, bb.mid) : []);
  bbSeries[2].setData(S.settings.showBB ? lineData(cs, bb.lower) : []);
  vwapSeries.setData(S.settings.showVwap ? lineData(cs, vwapCalc(cs)) : []);
  const rsiP = Math.max(2, Math.round(+S.settings.rsiPeriod || 14));
  const rsiVals = rsiSeriesCalc(closes, rsiP);
  rsiSeries.setData(S.settings.showRsi ? lineData(cs, rsiVals) : []);
  panelLast.rsi = lastFinite(rsiVals);
  const macd = macdCalc(closes,
    Math.max(2, Math.round(+S.settings.macdFast || 12)),
    Math.max(3, Math.round(+S.settings.macdSlow || 26)),
    Math.max(2, Math.round(+S.settings.macdSignal || 9)));
  macdLineSeries.setData(S.settings.showMacd ? lineData(cs, macd.line) : []);
  macdSignalSeries.setData(S.settings.showMacd ? lineData(cs, macd.signal) : []);
  macdHistSeries.setData(S.settings.showMacd ? cs.map((c,j) => macd.hist[j]==null?null:{
    time:c.time, value:macd.hist[j], color: macd.hist[j] >= 0 ? "rgba(38,166,154,0.55)" : "rgba(239,83,80,0.55)"
  }).filter(Boolean) : []);
  panelLast.macdLine = lastFinite(macd.line);
  panelLast.macdSig = lastFinite(macd.signal);
  panelLast.macdHist = lastFinite(macd.hist);
  panelLast.vol = cs.length ? cs[cs.length-1].volume : null;
  redrawMarkers();
  positionPanelHeads();
  renderSettingsPreview();
}
const MARKER_PRIO = m => m.kind === "signal" ? 4 : m.kind === "pattern" ? 3 : m.kind === "liq" ? 2 : 1;
/* 3.1: when several markers share a candle only the most important stays visible;
   the rest collapse into a single "+N" chip that opens the detail card. */
/* lightweight-charts paints markers on a <canvas>: ctx.fillStyle does NOT accept
   CSS custom properties ("var(--muted)" is silently ignored and the previous colour
   survives). Resolve theme colours to a real value before handing them to the chart. */
function cssColor(name, fallback){
  try {
    const v = getComputedStyle(document.documentElement).getPropertyValue(name).trim();
    return v || fallback;
  } catch(e){ return fallback; }
}
function clusterMarkers(list){
  const byTime = new Map();
  const keep = [];                                 // never clustered, always drawn
  list.forEach(m => {
    if (m.highlight || m.kind === "highlight"){ keep.push(m); return; }
    const arr = byTime.get(m.time);
    if (arr) arr.push(m); else byTime.set(m.time, [m]);
  });
  const out = [...keep];
  for (const [time, arr] of byTime){
    if (arr.length <= 2) { out.push(...arr); continue; }
    arr.sort((a, b) => MARKER_PRIO(b) - MARKER_PRIO(a));
    const top = arr[0], rest = arr.slice(1);
    out.push(top);
    out.push({ time, kind: "cluster", position: top.position, color: cssColor("--muted", "#7a8794"),
               shape: "circle", size: 1, text: `+${rest.length}`, members: rest,
               aboveBar: top.position === "aboveBar" });
  }
  return out;
}
function allMarkers(){
  const liq = S.settings.showLiq ? flow.markers : [];
  const whale = S.settings.whaleAlerts ? flow.eventMarkers : [];
  const pat = [...(patOverlay.ctxMarkers||[]), ...(patOverlay.poolMarkers||[])];
  const list = [...liq, ...whale, ...pat, ...engine.markers];   // signals last → drawn on top
  /* Stage 2: 2.6 — the signal picked from the history list stays highlighted.
     Built as a fresh array: never pushes into the live flow.markers buffer. */
  if (hud.highlight && Date.now() < hud.until && S.candles.some(c => c.time === hud.highlight.time)){
    list.push({ time: hud.highlight.time, position: hud.highlight.dir === "SAT" ? "belowBar" : "aboveBar",
                color: "#ffd54f", shape: "circle", size: 3, kind: "highlight", highlight: true, text: "SEÇİLİ" });
  }
  return clusterMarkers(list).sort((a,b)=>a.time-b.time);
}
function redrawMarkers(){ if (candleSeries) candleSeries.setMarkers(allMarkers()); }
// RAF-batched canlı güncelleme (mum kapanmadan sadece son mumu günceller)
let rafPending = false, liveCandle = null;
function scheduleLiveUpdate(c){
  liveCandle = c;
  if (rafPending) return;
  rafPending = true;
  requestAnimationFrame(() => {
    rafPending = false;
    if (!liveCandle) return;
    candleSeries.update(liveCandle);
    if (S.settings.showVol) volSeries.update({
      time:liveCandle.time, value:liveCandle.volume,
      color: liveCandle.close >= liveCandle.open ? "rgba(38,166,154,0.45)" : "rgba(239,83,80,0.45)"
    });
    scheduleLiveIndicators();            // T1: göstergeler de canlı mumla birlikte ilerlesin
  });
}
/* T1: mum kapanmadan göstergeleri yeniler. Tam yeniden hesap (600 mum × 8 gösterge)
   ölçümde ~4 ms; 350 ms'de bir çalıştırmak kare bütçesinin çok altında kalır.
   Kapanışta motor zaten runEngineAndRedraw() ile tam yeniler, bekleyen iş iptal edilir. */
let liveIndTimer = null;
function cancelLiveIndicators(){ if (liveIndTimer){ clearTimeout(liveIndTimer); liveIndTimer = null; } }
function scheduleLiveIndicators(){
  const ms = Number(S.settings.liveIndMs);
  if (!(ms > 0)) return;                       // kapalı → rozet devrede, kapanışta yenilenir
  if (liveIndTimer) return;
  liveIndTimer = setTimeout(() => {
    liveIndTimer = null;
    try { liveRefreshIndicators(); } catch(e){ console.warn("canlı gösterge güncelleme hata", e); }
  }, ms);
}
/* T1 — canlı mum için UCUZ yenileme: seriler yine tam hesaplanır (RSI/MACD özyinelemeli
   olduğu için son değer küçük bir pencereden aynı sonucu vermez), ama grafiğe yalnızca
   SON nokta update() ile yazılır. redrawAll 8 seride setData(600 nokta) yaparken bu yol
   seri başına tek nokta yazar; ölçüm: redrawAll ≈4-8 ms, bu yol ≈0,3-1 ms. */
function liveRefreshIndicators(){
  const cs = liveSeriesCandles();
  if (!cs.length || !candleSeries) return;
  const closes = cs.map(c => c.close);
  const t = cs[cs.length - 1].time;
  if (!seriesPrimed) return;                   // henüz tam yenileme olmadı → update() yarım seri yazardı
  const put = (series, arr, color) => {
    if (!series) return;
    const v = lastFinite(arr);
    if (v == null) return;
    series.update(color ? { time:t, value:v, color:color(v) } : { time:t, value:v });
  };
  const periods = [S.settings.ma1, S.settings.ma2, S.settings.ma3];
  periods.forEach((p, k) => { if (S.settings.showMa) put(maSeries[k], sma(closes, p)); });
  if (S.settings.showSar) put(sarSeries, psar(cs, S.settings.sarStep, S.settings.sarMax).sar);
  if (S.settings.showBB){
    const bb = bollinger(cs, Math.max(2, Math.round(+S.settings.bbPeriod || 20)), Math.max(0.1, +S.settings.bbStd || 2));
    put(bbSeries[0], bb.upper); put(bbSeries[1], bb.mid); put(bbSeries[2], bb.lower);
  }
  if (S.settings.showVwap) put(vwapSeries, vwapCalc(cs));
  const rsiVals = rsiSeriesCalc(closes, Math.max(2, Math.round(+S.settings.rsiPeriod || 14)));
  if (S.settings.showRsi) put(rsiSeries, rsiVals);
  panelLast.rsi = lastFinite(rsiVals);
  const macd = macdCalc(closes, Math.max(2, Math.round(+S.settings.macdFast || 12)), Math.max(3, Math.round(+S.settings.macdSlow || 26)), Math.max(2, Math.round(+S.settings.macdSignal || 9)));
  if (S.settings.showMacd){
    put(macdLineSeries, macd.line); put(macdSignalSeries, macd.signal);
    put(macdHistSeries, macd.hist, v => v >= 0 ? "rgba(38,166,154,0.55)" : "rgba(239,83,80,0.55)");
  }
  panelLast.macdLine = lastFinite(macd.line);
  panelLast.macdSig = lastFinite(macd.signal);
  panelLast.macdHist = lastFinite(macd.hist);
  panelLast.vol = cs[cs.length - 1].volume;
  positionPanelHeads();                        // panel başlıkları da canlı değeri gösterir
}
function updateIndBadge(){
  const el = $("indBadge");
  if (!el) return;
  const off = !(Number(S.settings.liveIndMs) > 0);
  if (el.hidden !== !off) el.hidden = !off;
}
function runEngineAndRedraw(){ cancelLiveIndicators(); runEngine(); redrawAll(); }
function rawFlowConnectionState(){
  if (!S.settings.rawConfirm) return {text:"Kapalı", title:"Raw flow katmanı ayarlardan kapalı."};
  const market = !!S.raw.marketAlive;
  const publicWs = !!S.raw.publicAlive;
  const depthReady = !!(flow.depthReady && flow.depthSynced);
  const fresh=metricFreshness();
  const text = market && publicWs && depthReady && fresh.depth ? "Canlı"
    : market && publicWs && depthReady ? "Bayat"
    : market && publicWs ? "Senkron"
    : market || publicWs ? "Kısmi"
    : "Bağlanıyor";
  return {text, title:`Market WS: ${market ? "bağlı" : "yok"} · Depth WS: ${publicWs ? "bağlı" : "yok"} · depth: ${depthReady ? (fresh.depth?"senkron/taze":"senkron/bayat") : "bekleniyor"}`};
}
function renderRawFlowConnection(){
  const el = $("rawModeVal");
  if (!el) return;
  const state = rawFlowConnectionState();
  el.textContent = state.text;
  el.title = state.title;
}
function renderSignalTab(){
  const now=Date.now();
  if($("view-signal")?.classList.contains("active")&&now-(engine.lastHistoryUiAt||0)<700)return;
  engine.lastHistoryUiAt=now;
  renderSignalHistoryUI().catch(e=>{console.warn("sinyal geçmişi çizilemedi",e);const el=$("sigLog");if(el)el.innerHTML='<div class="emptyState">Geçmiş okunamadı. IndexedDB durumu ve tarayıcı depolama iznini kontrol et.</div>';});
}
function metricFreshness(){
  const now=Date.now(),limit=clamp(+S.settings.staleSec||10,5,120)*1000;
  const age=ts=>ts?Math.max(0,now-ts):Infinity;
  const klineAt=S.wsLastMsg||0,marketAt=Math.max(S.raw.marketLastMsg||0,flow.lastTradeTs||0);
  // Only an applied depth update refreshes depth; unrelated public-stream traffic must not mask a stale book.
  const depthAt=flow.lastDepthTs||0;
  const oiAt=flow.lastOiTs||0,fundingAt=Math.max(flow.lastFundingTs||0,flow.lastMarkTs||0);
  const oiLimit=Math.max(60000,clamp(+S.settings.oiPollSec||30,15,300)*3000);
  const derivative=!!activeSrc().futures;
  return {age,kline:!!(S.wsAlive&&age(klineAt)<=limit),market:!!(S.settings.rawConfirm&&S.raw.marketAlive&&age(marketAt)<=limit),
    depth:!!(S.settings.rawConfirm&&derivative&&flow.depthReady&&flow.depthSynced&&age(depthAt)<=limit*3),
    oi:!!(S.settings.rawConfirm&&derivative&&Number.isFinite(flow.oi)&&age(oiAt)<=oiLimit),
    funding:!!(S.settings.rawConfirm&&derivative&&Number.isFinite(flow.funding)&&age(fundingAt)<=Math.max(60000,limit*6)),
    klineAt,marketAt,depthAt,oiAt,fundingAt,klineAge:age(klineAt),marketAge:age(marketAt),depthAge:age(depthAt),oiAge:age(oiAt),fundingAge:age(fundingAt),limit,oiLimit};
}
function metricAgeText(ts){return Number.isFinite(ts)&&ts>0?`${Math.floor(Math.max(0,Date.now()-ts)/1000)} sn`:"veri yok";}
function nearestWalls(reference){
  const mid=Number.isFinite(reference)&&reference>0?reference:(flow.bestBid&&flow.bestAsk?(flow.bestBid+flow.bestAsk)/2:flow.markPrice||S.candles[S.candles.length-1]?.close||0);
  const threshold=whaleThresholdNotional();
  const nearest=(side,arr)=>{
    const candidates=(arr||[]).filter(w=>w&&Number.isFinite(w.price)&&w.price>0&&Number.isFinite(w.notional)&&w.notional>=threshold)
      .map(w=>({...w,distance:Math.abs(w.price-mid),distancePct:mid?((w.price-mid)/mid)*100:NaN}))
      .filter(w=>side==="bid"?w.price<=mid:w.price>=mid).sort((a,b)=>a.distance-b.distance);
    return candidates[0]||null;
  };
  return {reference:mid||null,bid:nearest("bid",flow.walls?.bid),ask:nearest("ask",flow.walls?.ask),threshold};
}
function sparkSvg(key,color){
  const rows=flow.metricHistory?.[key]||[],vals=rows.map(x=>Number.isFinite(x)?x:Number.isFinite(x?.value)?x.value:x?.v).filter(Number.isFinite);
  if(vals.length<2)return '<text x="2" y="16" fill="var(--muted)" font-size="12">veri yok</text>';
  const min=Math.min(...vals),max=Math.max(...vals),span=max-min||1,n=vals.length;
  const points=vals.map((v,i)=>`${(1+i*94/(n-1)).toFixed(1)},${(19-(v-min)/span*16).toFixed(1)}`).join(" ");
  return `<polyline fill="none" stroke="${color||"var(--accent)"}" stroke-width="1.7" points="${points}" vector-effect="non-scaling-stroke"></polyline>`;
}
function pushMetricSample(key,value,now=Date.now()){
  if(!Number.isFinite(value))return;
  const list=flow.metricHistory[key]||(flow.metricHistory[key]=[]),last=list[list.length-1];
  if(last&&now-last.ts<900)return;
  list.push({ts:now,value});
  while(list.length&&now-list[0].ts>300000)list.shift();
  if(list.length>180)list.splice(0,list.length-180);
}
function metricPolarity(value,threshold=0,dir=null){
  if(!Number.isFinite(value)||Math.abs(value)<threshold)return "neutral";
  const positive=value>0;
  const supports=dir==="SAT"?!positive:positive;
  return supports?"support":"against";
}
function paintMetric(id,value,why,state,key){
  const map={metricFunding:"rawFundVal",metricConnection:"rawModeVal"};
  const box=$(id),val=$(map[id]||id.replace("metric","raw")+"Val");
  if(!box||!val)return;
  val.textContent=value||"Veri yok";val.title=why||"";
  box.dataset.state=state||"neutral";
  const whyEl=$(id.replace("metric","why"));if(whyEl)whyEl.textContent=why||"Veri yok";
  const svg=$(id.replace("metric","spark"));if(svg)svg.innerHTML=sparkSvg(key,state==="support"?"var(--up)":state==="against"?"var(--down)":"var(--accent)");
}
function renderSignalMetrics(){
  const f=metricFreshness(),snap=flowSnapshot(),now=Date.now(),dir=currentSignalRecord()?.dir||null;
  const plan=flowWindowPlan(),windowLabel=`${Math.round(plan.windowMs/1000)}s`;
  $("metricCvdWindow").textContent=windowLabel;$("metricLiqWindow").textContent=windowLabel;
  const unavailable=(name,fresh,unsupported=false)=>!S.settings.rawConfirm?"Raw flow kapalı; Ayarlar'dan açınca gerçek veri gösterilir.":unsupported?`${name} bu kaynakta desteklenmiyor.`:fresh?"":"Veri bayat veya henüz alınmadı.";
  const cvdOk=f.market&&snap.notional60>0,cvdValue=cvdOk?`${compact(snap.cvd60)} · bias ${signed(snap.cvdBias*100,1)}%`:"Veri yok";
  const cvdWhy=!S.settings.rawConfirm?unavailable("CVD",false):!f.market?`Market WS bayat (${metricAgeText(f.marketAt)}); CVD kullanılmaz.`:snap.notional60?`Gerçek Market WS verisi. Eşik |CVD bias| ≥ 0,08; ${windowLabel} pencere.`:"Gerçek Market WS bağlı; pencerede işlem verisi yok.";
  pushMetricSample("cvd",cvdOk?snap.cvdBias*100:NaN,now);
  paintMetric("metricCvd",cvdValue,cvdWhy,cvdOk?metricPolarity(snap.cvdBias,0.08,dir):"neutral","cvd");

  const obiOk=f.depth,obiValue=obiOk?`${pct(snap.obi)} · B/A ${compact(snap.bidVol)}/${compact(snap.askVol)}`:"Veri yok";
  const obiWhy=!S.settings.rawConfirm?unavailable("OBI",false):!activeSrc().futures?unavailable("OBI",false,true):!f.depth?`Depth ${flow.depthSynced?"bayat":"senkron değil"} (${metricAgeText(f.depthAt)}); OBI kullanılmaz.`:"Senkron tam depth. Eşik |OBI| ≥ 0,10.";
  pushMetricSample("obi",obiOk?snap.obi*100:NaN,now);
  paintMetric("metricObi",obiValue,obiWhy,obiOk?metricPolarity(snap.obi,0.10,dir):"neutral","obi");

  const oiOk=f.oi,oiValue=oiOk?`${compact(flow.oi)} · ${signed(flow.oiChangePct,2)}%`:Number.isFinite(flow.oi)&&S.settings.rawConfirm?`Bayat · ${compact(flow.oi)}`:"Veri yok";
  const oiWhy=!S.settings.rawConfirm?unavailable("OI",false):!activeSrc().futures?unavailable("OI",false,true):!oiOk?`OI bayat veya henüz alınmadı (${metricAgeText(f.oiAt)}).`:"Eşik: ±0,25%; taker spike ile okunur.";
  pushMetricSample("oi",oiOk?flow.oiChangePct:NaN,now);
  paintMetric("metricOi",oiValue,oiWhy,oiOk?metricPolarity(flow.oiChangePct,0.25,dir):"neutral","oi");

  const fundingOk=f.funding,fundingValue=fundingOk?fundFmt(flow.funding):Number.isFinite(flow.funding)&&S.settings.rawConfirm?`Bayat · ${fundFmt(flow.funding)}`:"Veri yok";
  const fundingWhy=!S.settings.rawConfirm?unavailable("Funding",false):!activeSrc().futures?unavailable("Funding",false,true):!fundingOk?`Funding bayat veya henüz alınmadı (${metricAgeText(f.fundingAt)}).`:"Eşik: ±0,025%; tek başına sinyal değildir.";
  pushMetricSample("funding",fundingOk?flow.funding*100:NaN,now);
  paintMetric("metricFunding",fundingValue,fundingWhy,fundingOk?metricPolarity(flow.funding,0.00025,dir):"neutral","funding");

  const liqOk=f.market&&!!activeSrc().futures,liqValue=liqOk?`L ${Number(snap.longLiq60||0).toFixed(2)} / S ${Number(snap.shortLiq60||0).toFixed(2)}`:"Veri yok";
  const liqDelta=(snap.shortLiq60||0)-(snap.longLiq60||0);
  const liqWhy=!S.settings.rawConfirm?unavailable("Likidasyon",false):!activeSrc().futures?unavailable("Likidasyon",false,true):!f.market?`Likidasyon WS bayat (${metricAgeText(f.marketAt)}).`:`Gerçek forceOrder · minimum ${compact(+S.settings.liqMin||50000)} USDT. Pencere ${windowLabel}.`;
  pushMetricSample("liq",liqOk?liqDelta:NaN,now);
  paintMetric("metricLiq",liqValue,liqWhy,liqOk?metricPolarity(liqDelta,Math.max(10000,(+S.settings.liqMin||50000)*0.1),dir):"neutral","liq");

  const mid=flow.bestBid&&flow.bestAsk?(flow.bestBid+flow.bestAsk)/2:flow.markPrice||S.candles[S.candles.length-1]?.close;
  const spreadOk=f.depth&&Number.isFinite(mid)&&mid>0&&flow.spread>0;
  const spreadPct=spreadOk?flow.spread/mid*100:NaN;
  const spreadValue=spreadOk?`${fmtPrice(flow.spread)} · ${signed(spreadPct,3)}%`:"Veri yok";
  const spreadWhy=!S.settings.rawConfirm?unavailable("Spread",false):!f.depth?`Depth bayat veya senkron değil (${metricAgeText(f.depthAt)}).`:"En iyi bid/ask farkı; sabit karar eşiği yok.";
  pushMetricSample("spread",spreadOk?spreadPct:NaN,now);
  paintMetric("metricSpread",spreadValue,spreadWhy,"neutral","spread");

  const connection=rawFlowConnectionState(),connectionScore=connection.text==="Canlı"?1:connection.text==="Senkron"?0.65:connection.text==="Kısmi"?0.35:connection.text==="Bayat"?0.15:0;
  pushMetricSample("connection",connectionScore,now);
  paintMetric("metricConnection",connection.text,connection.title,"neutral","connection");

  const walls=nearestWalls(mid),wallPart=(x,label)=>x?`${label} ${fmtPrice(x.price)} (${Math.abs(x.distancePct).toFixed(3)}%)`:null;
  const wallText=[wallPart(walls.bid,"B"),wallPart(walls.ask,"A")].map(x=>x||((x===null)?null:""));
  const wallValue=`${wallText[0]||"B yok"} / ${wallText[1]||"A yok"}`;
  const wallDistances=[walls.bid,walls.ask].filter(Boolean).map(w=>Math.abs(w.distancePct));
  const wallWhy=!f.depth?`Depth senkron değil veya bayat (${metricAgeText(f.depthAt)}).`:`En yakın eşik üstü duvarlar; referans ${fmtPrice(walls.reference)}. ${wallDistances.length?`Eşik ≥ ${compact(walls.threshold)} USDT.`:"Yakın aralıkta duvar yok."}`;
  pushMetricSample("walls",wallDistances.length?Math.min(...wallDistances):NaN,now);
  paintMetric("metricWalls",wallValue,wallWhy,"neutral","walls");
}
function renderSignalHealth(){
  const f=metricFreshness(),el=$("sigHealthStrip"),warning=$("sigDataWarning");if(!el)return;
  const chip=(name,ok,ts,detail="")=>`<span class="healthChip ${ok?"ok":"bad"}" title="${escapeHtml(detail||name)}"><b>${name}</b><span>${ok?`Taze · ${metricAgeText(ts)}`:detail||"Bayat"}</span></span>`;
  const supported=!!activeSrc().futures;
  const oiDetail=!supported?"desteklenmiyor":Number.isFinite(flow.oi)?"Bayat":"veri yok";
  const fundingDetail=!supported?"desteklenmiyor":Number.isFinite(flow.funding)?"Bayat":"veri yok";
  el.innerHTML=chip("Kline WS",f.kline,f.klineAt,"Bayat")+
    chip("Market WS",f.market,f.marketAt,"Bayat")+
    chip("Depth",f.depth,f.depthAt,flow.depthReady&&flow.depthSynced?"Bayat":"depth senkron değil")+
    chip("OI",f.oi,f.oiAt,oiDetail)+chip("Funding",f.funding,f.fundingAt,fundingDetail);
  const problems=[];
  if(!S.wsAlive||!f.kline)problems.push("Kline WS bayat");
  if(S.settings.rawConfirm){
    if(!f.market)problems.push("Market WS bayat");
    if(!f.depth)problems.push(flow.depthReady&&flow.depthSynced?"Depth bayat":"Depth senkron değil");
    if(!supported)problems.push("OI/Funding desteklenmiyor");
    else{if(Number.isFinite(flow.oi)&&!f.oi)problems.push("OI bayat");if(Number.isFinite(flow.funding)&&!f.funding)problems.push("Funding bayat");}
  }
  if(warning){warning.hidden=!problems.length;warning.textContent=problems.length?`Veri sağlığı uyarısı: ${problems.join(" · ")}. Eksik veri destekli kabul edilmez.`:"";}
  renderSignalMetrics();
}
function renderFlowMini(){
  const snap=flowSnapshot(),fresh=metricFreshness(),show=!!S.settings.showFlow;
  $("flowMini").style.display=show?"block":"none";
  setVal("miniCvd",fresh.market?compact(snap.cvd60):"Veri yok",fresh.market?snap.cvd60:NaN);
  setVal("miniObi",fresh.depth?pct(snap.obi):"Veri yok",fresh.depth?snap.obi:NaN);
  setVal("miniOi",fresh.oi?signed(flow.oiChangePct,2)+"%":"Veri yok",fresh.oi?flow.oiChangePct:NaN);
  setVal("miniFund",fresh.funding?fundFmt(flow.funding):"Veri yok",fresh.funding?flow.funding:NaN);
  renderRawFlowConnection();
  showSyncBadge(flow.depthReady&&!flow.depthSynced);
}
function setVal(id, text, signVal){
  const el = $(id); if (!el) return;
  el.textContent = text;
  el.classList.remove("pos","neg","warn");
  if (Number.isFinite(signVal)){
    if (signVal > 0) el.classList.add("pos");
    else if (signVal < 0) el.classList.add("neg");
  }
}
/* ================= PATTERN POOL ENGINE ================= */
const PPOOL_SCHEMA_VERSION = 1;
const PPOOL_DB_NAME = "fs_pattern_pool";
const PPOOL_DB_VERSION = 2;
const PPOOL_SAR_BUCKETS = ["SAR0","SAR1","SAR2-3","SARX"];
const PPool = { db:null, enabled:false, ready:null, busy:false, renderBusy:false, selectedKey:null, backfillToken:0 };
const patOverlay = { ctxLines:[], ctxMarkers:[], poolLines:[], poolMarkers:[], poolActive:false, poolKey:null };
const PATTERN_NAMES = buildPatternNames();
function buildPatternNames(){
  const pairs = {"9x21":"Hızlı/Orta", "9x50":"Hızlı/Ana Trend", "21x50":"Orta/Ana Trend"};
  const dirs = {UP:"Golden Cross", DOWN:"Death Cross"};
  const sar = {SAR0:"Anında SAR Onayı", SAR1:"1 Mum Sonra SAR Onayı", "SAR2-3":"2-3 Mum Gecikmeli SAR Onayı", SARX:"SAR Onaysız/Geç"};
  const filt = {F1:"Trend Uyumlu", F0:"Trend Uyumsuz"};
  const out = {};
  Object.keys(pairs).forEach(p => Object.keys(dirs).forEach(d => PPOOL_SAR_BUCKETS.forEach(s => Object.keys(filt).forEach(f => {
    out[`${p}_${d}_${s}_${f}`] = `${pairs[p]} ${dirs[d]} + ${sar[s]} + ${filt[f]}`;
  }))));
  return out;
}
function patternName(id){
  if (PATTERN_NAMES[id]) return PATTERN_NAMES[id];
  const x = parsePatternId(id);
  if (!x) return id || "—";
  const dir = x.dir === "UP" ? "Golden Cross" : "Death Cross";
  const sar = {SAR0:"Anında SAR Onayı", SAR1:"1 Mum Sonra SAR Onayı", "SAR2-3":"2-3 Mum SAR Onayı", SARX:"SAR Onaysız/Geç"}[x.sar] || x.sar;
  const flt = x.filter === "F1" ? "Trend Uyumlu" : "Trend Uyumsuz";
  return `${x.pair} ${dir} + ${sar} + ${flt}`;
}
function parsePatternId(id){
  const parts = String(id||"").split("_");
  if (parts.length !== 4) return null;
  return {pair:parts[0], dir:parts[1], sar:parts[2], filter:parts[3]};
}
function patternAllIds(){ return Object.keys(PATTERN_NAMES).sort(); }
function intervalSec(tf){ return tf === "1m" ? 60 : tf === "5m" ? 300 : 60; }
function patternPoolSetStatus(txt, warn=false){
  const el = $("poolDbStatus"); if (el){ el.textContent = txt; el.className = warn ? "warn" : ""; }
  const w = $("poolWarn"); if (w && warn){ w.style.display="block"; w.textContent=txt; }
}
function patternPoolInit(){
  if (PPool.ready) return PPool.ready;
  PPool.ready = new Promise(resolve => {
    if (!("indexedDB" in window)){
      PPool.enabled = false; patternPoolSetStatus("Kalıcı depolama yok, havuz devre dışı", true); resolve(false); return;
    }
    const req = indexedDB.open(PPOOL_DB_NAME, PPOOL_DB_VERSION);
    req.onupgradeneeded = ev => {
      const db = ev.target.result;
      let events;
      if (!db.objectStoreNames.contains("events")) events = db.createObjectStore("events", { keyPath:"id", autoIncrement:true });
      else events = ev.target.transaction.objectStore("events");
      [
        ["patternKey","patternKey",false], ["coinPatternKey","coinPatternKey",false], ["coin","coin",false],
        ["timeframe","timeframe",false], ["timestamp","timestamp",false], ["status","status",false], ["eventKey","eventKey",false]
      ].forEach(([name,key,unique]) => { if (!events.indexNames.contains(name)) events.createIndex(name, key, {unique}); });
      if (!db.objectStoreNames.contains("poolStats")) db.createObjectStore("poolStats", { keyPath:"key" });
      if (!db.objectStoreNames.contains("metadata")) db.createObjectStore("metadata", { keyPath:"key" });
      if (!db.objectStoreNames.contains("signalHistory")){
        const history=db.createObjectStore("signalHistory",{keyPath:"id"});
        [["symbol","symbol"],["interval","interval"],["ts","ts"],["lifecycleState","lifecycleState"]]
          .forEach(([name,key])=>history.createIndex(name,key,{unique:false}));
      }
    };
    req.onsuccess = () => {
      PPool.db = req.result; PPool.enabled = true; patternPoolSetStatus("Aktif — havuz + sinyal geçmişi IndexedDB'de");
      dbPut("metadata", {key:"schemaVersion", value:PPOOL_SCHEMA_VERSION, updatedAt:Date.now()}).catch(()=>{});
      resolve(true);
    };
    req.onerror = () => { PPool.enabled = false; patternPoolSetStatus("IndexedDB açılamadı, havuz devre dışı", true); resolve(false); };
  });
  return PPool.ready;
}
function dbTx(store, mode="readonly"){ return PPool.db.transaction(store, mode).objectStore(store); }
function reqP(req){ return new Promise((res, rej) => { req.onsuccess=()=>res(req.result); req.onerror=()=>rej(req.error); }); }
async function dbGet(store, key){ if(!PPool.enabled) return null; return reqP(dbTx(store).get(key)); }
async function dbPut(store, val){ if(!PPool.enabled) return null; return reqP(dbTx(store,"readwrite").put(val)); }
async function dbAdd(store, val){ if(!PPool.enabled) return null; return reqP(dbTx(store,"readwrite").add(val)); }
async function dbDelete(store, key){ if(!PPool.enabled) return null; return reqP(dbTx(store,"readwrite").delete(key)); }
async function dbAll(store){ if(!PPool.enabled) return []; return reqP(dbTx(store).getAll()); }
async function dbIndexAll(store, index, key){ if(!PPool.enabled) return []; return reqP(dbTx(store).index(index).getAll(key)); }
async function dbIndexGet(store, index, key){ if(!PPool.enabled) return null; return reqP(dbTx(store).index(index).get(key)); }
const SIGNAL_HISTORY_FIELDS=["symbol","interval","dir","ts","price","entryPrice","rule","score","grade","reasons","reasonDetails","patternId",
  "flowSnapshot","flowScoreAtSignal","flowCalculatedAt","lifecycleState","blocked","outcomeReason","blockedAt","entryAtMs","validityCandles",
  "ageCandles","ageMinutes","invalidationPrice","invalidationSource","riskPerUnit","targetPrice","lastPrice","lastPriceAt","priceFresh","hasLivePrice",
  "pnlPct","r","mfePct","maePct","outcomePrice","outcomePct","outcomeR","outcomeAt","referencePlan","ret10Pct","ret20Pct","mfe20Pct","mae20Pct","returnUpdatedAt"];
function signalHistoryRecord(rec){
  const out={id:rec.historyId||signalHistoryId(rec),historyId:rec.historyId||signalHistoryId(rec),savedAt:Date.now()};
  SIGNAL_HISTORY_FIELDS.forEach(k=>{if(rec[k]!==undefined) out[k]=rec[k];});
  out.ts=+out.ts||0; out.symbol=out.symbol||S.symbol; out.interval=out.interval||S.interval;
  return out;
}
async function signalHistoryUpsert(rec,force=false){
  if(!rec) return false;
  rec.historyId=rec.historyId||signalHistoryId(rec);
  const now=Date.now();
  if(!force&&now-(rec._historySavedAt||0)<1500) return false;
  rec._historySavedAt=now;
  if(!await patternPoolInit()||!PPool.db.objectStoreNames.contains("signalHistory")) return false;
  const fresh=signalHistoryRecord(rec),old=await dbGet("signalHistory",fresh.id);
  await dbPut("signalHistory",Object.assign({},old||{},fresh,{id:fresh.id,historyId:fresh.id,savedAt:now}));
  const status=$("sigHistoryDbState"); if(status) status.textContent="IndexedDB · kayıtlı";
  if($("view-signal")?.classList.contains("active")) renderSignalTab();
  return true;
}
async function signalHistoryHydrate(){
  if(!await patternPoolInit()||!PPool.db.objectStoreNames.contains("signalHistory")){
    const status=$("sigHistoryDbState");if(status)status.textContent="Kalıcı depolama yok; bu oturumla sınırlı.";
    renderSignalTab();return false;
  }
  const rows=(await dbIndexAll("signalHistory","symbol",S.symbol)).filter(r=>r.interval===S.interval).sort((a,b)=>(b.ts||0)-(a.ts||0));
  engine.log=rows.slice(0,30);
  engine.activeSignals=rows.filter(r=>r.lifecycleState==="AKTIF");
  engine.lastLifecycle=rows.find(r=>r.lifecycleState&&r.lifecycleState!=="AKTIF")||engine.activeSignals[0]||null;
  engine.lastRaw=null;engine.currentPatternStats=null;engine.evidenceKey=null;
  const status=$("sigHistoryDbState");if(status)status.textContent=`IndexedDB · ${rows.length} kayıt · semboller arası kalıcı`;
  if(engine.activeSignals[0]) setStatus(engine.activeSignals[0].dir,engine.activeSignals[0].rule||"Kayıtlı aktif sinyal",null);
  renderSignalLifecycle();renderSignalAuxiliary();renderSignalTab();renderSignalEvidence(null);
  return true;
}
async function signalHistoryUpdateForCandles(symbol,interval,candles){
  if(!await patternPoolInit()||!PPool.enabled||!PPool.db.objectStoreNames.contains("signalHistory")) return 0;
  const sec=signalIntervalSeconds(interval),nowSec=Date.now()/1000;
  const closed=(candles||[]).filter(c=>c&&c.time+sec<=nowSec);
  const byTime=new Map(closed.map((c,i)=>[c.time,i]));
  const rows=(await dbIndexAll("signalHistory","symbol",symbol)).filter(r=>r.interval===interval);
  let changed=0;
  for(const rec of rows){
    if(Number.isFinite(rec.ret20Pct)&&Number.isFinite(rec.mfe20Pct)&&Number.isFinite(rec.mae20Pct))continue;
    const i=byTime.get(rec.ts);if(i==null)continue;
    const entry=Number.isFinite(rec.entryPrice)?rec.entryPrice:rec.price;
    if(!Number.isFinite(entry)||entry<=0)continue;
    const sign=rec.dir==="AL"?1:-1;
    if(i+10<closed.length){rec.ret10Pct=sign*(closed[i+10].close-entry)/entry*100;}
    else rec.ret10Pct=null;
    if(i+20<closed.length){
      rec.ret20Pct=sign*(closed[i+20].close-entry)/entry*100;
      const horizon=closed.slice(i+1,i+21);
      const high=Math.max(...horizon.map(c=>c.high)),low=Math.min(...horizon.map(c=>c.low));
      rec.mfe20Pct=rec.dir==="AL"?(high-entry)/entry*100:(entry-low)/entry*100;
      rec.mae20Pct=rec.dir==="AL"?(entry-low)/entry*100:(high-entry)/entry*100;
    }else{rec.ret20Pct=null;rec.mfe20Pct=null;rec.mae20Pct=null;}
    rec.returnUpdatedAt=Date.now();await dbPut("signalHistory",rec);changed++;
    const local=(engine.log||[]).find(x=>(x.historyId||signalHistoryId(x))===rec.id);if(local)Object.assign(local,rec);
  }
  if(changed&&$("view-signal")?.classList.contains("active"))renderSignalTab();
  return changed;
}
function bindSignalHistoryUI(){
  const sel=$("sigHistoryFilter");if(!sel)return;
  sel.onchange=()=>{engine.lastHistoryUiAt=0;renderSignalTab();};
}
function bindSignalCollapsibles(){
  document.querySelectorAll("#view-signal details.collapsibleSignal, #view-signal details.metricDetails").forEach(card=>{
    const label=card.querySelector(".collapseHint"),update=()=>{if(label)label.textContent=card.open?"Kapat":"Aç";};
    card.addEventListener("toggle",update);update();
  });
}
function fmtHistoryPrice(value,symbol){
  const n=Number(value);if(!Number.isFinite(n))return "—";
  const precision=S.pricePrecision[symbol],digits=Number.isFinite(precision)?precision:(Math.abs(n)>=100?2:6);
  return n.toFixed(Math.min(8,Math.max(0,digits)));
}
function signalStateLabel(rec){
  const state=rec.lifecycleState||"";
  if(state==="AKTIF")return "AÇIK";
  if(state==="TAMAMLANDI")return "HEDEF";
  if(state==="GEÇERSİZ")return "STOP / GEÇERSİZ";
  if(state==="SÜRESİ DOLDU")return "SÜRE DOLDU";
  if(state==="ENGELLENDİ"||rec.blocked)return "ENGELLENDİ";
  return state||"SONUÇ BEKLENİYOR";
}
function signalHistoryResult(rec){
  if(rec.lifecycleState==="ENGELLENDİ"||rec.blocked)return "Katılmadı · veto";
  if(rec.lifecycleState==="AKTIF")return rec.priceFresh&&Number.isFinite(rec.pnlPct)?`Canlı ${signed(rec.pnlPct,2)}% · ${signed(rec.r,2)}R`:"Açık · taze WS bekleniyor";
  if(Number.isFinite(rec.outcomePct)&&Number.isFinite(rec.outcomeR))return `${signed(rec.outcomePct,2)}% · ${signed(rec.outcomeR,2)}R`;
  return rec.outcomeReason||"Sonuç fiyatı yok";
}
async function jumpToStoredSignal(ts,dir,symbol,interval){
  if(symbol&&symbol!==S.symbol) await switchSymbol(symbol);
  if(interval&&interval!==S.interval) await changeInterval(interval);
  jumpToSignal(+ts,dir);
}
async function renderSignalHistoryUI(){
  const el=$("sigLog"),summary=$("sigSessionSummary"),dbState=$("sigHistoryDbState");if(!el)return;
  let rows=[],persistent=false;
  try{
    persistent=await patternPoolInit()&&PPool.db.objectStoreNames.contains("signalHistory");
    if(persistent) rows=await dbAll("signalHistory");
    else rows=(engine.log||[]).map(signalHistoryRecord);
  }catch(e){rows=(engine.log||[]).map(signalHistoryRecord);}
  rows.sort((a,b)=>(b.ts||0)-(a.ts||0));
  const sel=$("sigHistoryFilter");
  if(sel){const opt=sel.querySelector('[value="current"]');if(opt)opt.textContent=`Bu sembol (${S.symbol})`;}
  const filtered=sel&&sel.value==="all"?rows:rows.filter(r=>r.symbol===S.symbol);
  const session=filtered.filter(r=>Date.now()-(+r.ts||0)*1000<=86400000);
  const settled=session.filter(r=>["TAMAMLANDI","GEÇERSİZ","SÜRESİ DOLDU"].includes(r.lifecycleState)&&Number.isFinite(r.outcomeR));
  const wins=settled.filter(r=>r.outcomeR>0).length,n=settled.length;
  const win=n?`${(wins/n*100).toFixed(1)}%`:"veri yok",avgR=n?`${signed(avg(settled.map(r=>r.outcomeR)),2)}R`:"veri yok";
  if(summary)summary.innerHTML=`<div><span>Sinyal / 24 saat</span><b>${session.length}</b></div><div><span>Sonuç isabeti · n=${n}</span><b>${win}</b></div><div><span>Ortalama R · n=${n}</span><b>${avgR}</b></div><div class="summaryNote">${n<30?`n=${n} · düşük örnek; istatistik anlamlı değil.`:`n=${n} · son 24 saat.`}</div>`;
  if(dbState)dbState.textContent=persistent?`IndexedDB · ${filtered.length} kayıt · semboller arası kalıcı`:`Kalıcı depolama yok · ${filtered.length} oturum kaydı`;
  if(!filtered.length){
    el.innerHTML=`<div class="emptyState">${sel&&sel.value==="all"?"Henüz sinyal kaydı yok. Katman 1 tetiklenince gerçek kayıt IndexedDB'ye yazılır.":`${S.symbol} için sinyal yok. Bekleyebilir veya “Tüm semboller” filtresini seçebilirsin.`}</div>`;return;
  }
  el.innerHTML=filtered.slice(0,200).map(rec=>{
    const dir=rec.dir==="AL"?"AL ▲":"SAT ▼",entry=Number.isFinite(rec.entryPrice)?rec.entryPrice:rec.price;
    const time=new Date((rec.ts||0)*1000).toLocaleString("tr-TR",{day:"2-digit",month:"2-digit",hour:"2-digit",minute:"2-digit"});
    const state=signalStateLabel(rec),result=signalHistoryResult(rec);
    const ret10=Number.isFinite(rec.ret10Pct)?`${signed(rec.ret10Pct,2)}%`:"veri yok";
    const ret20=Number.isFinite(rec.ret20Pct)?`${signed(rec.ret20Pct,2)}%`:"veri yok";
    const mfe=Number.isFinite(rec.mfe20Pct)?`${signed(rec.mfe20Pct,2)}%`:Number.isFinite(rec.mfePct)?`${signed(rec.mfePct,2)}% canlı`:"veri yok";
    const mae=Number.isFinite(rec.mae20Pct)?`${signed(rec.mae20Pct,2)}%`:Number.isFinite(rec.maePct)?`${signed(rec.maePct,2)}% canlı`:"veri yok";
    const flow=rec.flowSnapshot?`CVD ${Number.isFinite(rec.flowSnapshot.cvdBias)?signed(rec.flowSnapshot.cvdBias*100,1)+"%":"veri yok"} · OBI ${Number.isFinite(rec.flowSnapshot.obi)?pct(rec.flowSnapshot.obi):"veri yok"} · OI ${Number.isFinite(rec.flowSnapshot.oiChangePct)?signed(rec.flowSnapshot.oiChangePct,2)+"%":"veri yok"}`:"Sinyal anında kullanılabilir flow snapshot yok.";
    const reasons=(rec.reasonDetails||[]).slice(0,3).map(x=>`${x.text} (${+x.weight>0?"+":+x.weight<0?"−":""}${Math.abs(+x.weight||0)})`).join(" · ")||"Kaydedilmiş ağırlıklı neden yok.";
    return `<details class="signalHistoryItem"><summary><span class="historyDir st-${rec.dir}">${dir}</span><span class="historyMain"><b>${fmtHistoryPrice(entry,rec.symbol||S.symbol)}</b><small>${escapeHtml(rec.symbol||S.symbol)} · ${escapeHtml(rec.interval||S.interval)} · ${time}</small></span><span class="historyResult">${escapeHtml(state)}<br>${escapeHtml(result)}</span></summary>`+
      `<div class="historyDetails"><div><b>Kural:</b> ${escapeHtml(rec.rule||"—")}</div><div><b>Sonuç:</b> ${escapeHtml(state)} · ${escapeHtml(rec.outcomeReason||"açık/sonuç bekleniyor")}</div>`+
      `<div><b>10 / 20 mum getiri:</b> ${ret10} / ${ret20} · yön düzeltilmiş</div><div><b>MFE / MAE:</b> ${mfe} / ${mae}</div>`+
      `<div><b>Giriş / stop:</b> ${fmtHistoryPrice(entry,rec.symbol||S.symbol)} / ${Number.isFinite(rec.invalidationPrice)?fmtHistoryPrice(rec.invalidationPrice,rec.symbol||S.symbol):"veri yok"} · <b>Akış puanı:</b> ${Number.isFinite(rec.score)?`${rec.score}/100`:rec.grade==="HAM"?"HAM":"veri yok"}</div>`+
      `<div><b>Sinyal anı akışı:</b> ${escapeHtml(flow)}</div><div><b>Nedenler:</b> ${escapeHtml(reasons)}</div>`+
      `<button type="button" class="historyJump" data-ts="${+rec.ts||0}" data-dir="${escapeHtml(rec.dir||"")}" data-symbol="${escapeHtml(rec.symbol||S.symbol)}" data-interval="${escapeHtml(rec.interval||S.interval)}">Grafikte bu muma git</button></div></details>`;
  }).join("");
  el.querySelectorAll(".historyJump").forEach(btn=>btn.onclick=e=>{
    e.stopPropagation();jumpToStoredSignal(+btn.dataset.ts,btn.dataset.dir,btn.dataset.symbol,btn.dataset.interval).catch(err=>console.warn("geçmiş sinyaline gidilemedi",err));
  });
}
function patternPeriods(){
  return [Math.max(2,Math.round(+S.settings.ma1||9)), Math.max(3,Math.round(+S.settings.ma2||21)), Math.max(5,Math.round(+S.settings.ma3||50))];
}
function patternPairs(){
  const [a,b,c] = patternPeriods();
  return [{pair:`${a}x${b}`, fast:a, slow:b}, {pair:`${a}x${c}`, fast:a, slow:c}, {pair:`${b}x${c}`, fast:b, slow:c}];
}
function patternId(pair, dir, sar, filter){ return `${pair}_${dir}_${sar}_${filter}`; }
function atrRatios(cs, period=14){
  const out = new Array(cs.length).fill(null);
  for (let i=1;i<cs.length;i++){
    const start = Math.max(1, i-period+1); let sum=0, n=0;
    for (let j=start;j<=i;j++){
      const tr = Math.max(cs[j].high-cs[j].low, Math.abs(cs[j].high-cs[j-1].close), Math.abs(cs[j].low-cs[j-1].close));
      sum += tr; n++;
    }
    out[i] = n && cs[i].close ? (sum/n)/cs[i].close : null;
  }
  return out;
}
function percentile(arr, p){
  const a = arr.filter(v => Number.isFinite(v)).sort((x,y)=>x-y);
  if (!a.length) return null;
  const pos = (a.length-1)*p, lo=Math.floor(pos), hi=Math.ceil(pos);
  return lo===hi ? a[lo] : a[lo] + (a[hi]-a[lo])*(pos-lo);
}
function patternContext(cs){
  const closes = cs.map(c=>c.close);
  const periods = [...new Set([...patternPeriods(), ...patternPairs().flatMap(p=>[p.fast,p.slow])])];
  const ma = {}; periods.forEach(p => ma[p] = sma(closes, p));
  const {trend} = psar(cs, S.settings.sarStep, S.settings.sarMax);
  const atr = atrRatios(cs, 14);
  return {cs, closes, ma, trend, atr};
}
function patternRegimeAt(ctx, i){
  const atrWin = ctx.atr.slice(Math.max(0,i-99), i+1).filter(v=>Number.isFinite(v));
  const p33 = percentile(atrWin, .33), p66 = percentile(atrWin, .66), val = ctx.atr[i];
  let vol = "MID";
  if (Number.isFinite(val) && p33!=null && p66!=null){ vol = val <= p33 ? "LOW" : val >= p66 ? "HIGH" : "MID"; }
  const ma50 = ctx.ma[patternPeriods()[2]];
  let trend = "FLAT";
  if (ma50 && ma50[i]!=null && i>=10 && ma50[i-10]){
    const slope = (ma50[i]-ma50[i-10]) / ma50[i-10];
    trend = slope > 0.001 ? "UP" : slope < -0.001 ? "DOWN" : "FLAT";
  }
  return {vol, trend, key:`${vol}_${trend}`};
}
function patternCrossesAt(ctx, i){
  const out = [], ma50 = ctx.ma[patternPeriods()[2]];
  if (i < 1 || !ma50 || ma50[i]==null) return out;
  for (const p of patternPairs()){
    const f = ctx.ma[p.fast], sl = ctx.ma[p.slow];
    if (!f || !sl || f[i]==null || sl[i]==null || f[i-1]==null || sl[i-1]==null) continue;
    let dir = null;
    if (f[i-1] <= sl[i-1] && f[i] > sl[i]) dir = "UP";
    if (f[i-1] >= sl[i-1] && f[i] < sl[i]) dir = "DOWN";
    if (!dir) continue;
    const filter = dir === "UP" ? (ctx.cs[i].close > ma50[i] ? "F1":"F0") : (ctx.cs[i].close < ma50[i] ? "F1":"F0");
    out.push({pair:p.pair, dir, filter, regime:patternRegimeAt(ctx,i)});
  }
  return out;
}
function patternResolveSar(ctx, crossIdx, dir, lastIdx){
  const desired = dir === "UP" ? 1 : -1;
  if (ctx.trend[crossIdx] === desired) return {bucket:"SAR0", finalIndex:crossIdx};
  const maxJ = Math.min(crossIdx+3, lastIdx);
  for (let j=crossIdx+1; j<=maxJ; j++){
    if (ctx.trend[j] === desired && ctx.trend[j-1] !== desired) return {bucket:j-crossIdx === 1 ? "SAR1" : "SAR2-3", finalIndex:j};
  }
  if (lastIdx >= crossIdx + 4) return {bucket:"SARX", finalIndex:crossIdx+4};
  return null;
}
function patternOutcome(cs, idx, dir){
  if (idx+20 >= cs.length) return null;
  const ref = cs[idx].close; if (!ref) return null;
  const sign = dir === "UP" ? 1 : -1;
  const closeRet = n => sign * ((cs[idx+n].close - ref) / ref) * 100;
  let mfe = 0, mae = 0, barsToMfe = 0, barsToMae = 0, stopped = false, bestBeforeStop = 0;
  const stopPct = 0.3;
  for (let j=1;j<=20;j++){
    const fav = dir === "UP" ? ((cs[idx+j].high - ref)/ref)*100 : ((ref - cs[idx+j].low)/ref)*100;
    const adv = dir === "UP" ? ((ref - cs[idx+j].low)/ref)*100 : ((cs[idx+j].high - ref)/ref)*100;
    if (fav > mfe){ mfe = fav; barsToMfe = j; }
    if (adv > mae){ mae = adv; barsToMae = j; }
    if (!stopped && adv >= stopPct){ stopped = true; }
    if (!stopped && fav > bestBeforeStop) bestBeforeStop = fav;
  }
  return {
    ret5: closeRet(5), ret10: closeRet(10), ret20: closeRet(20),
    mfe20: mfe, mae20: mae, rMultiple: stopped ? -1 : bestBeforeStop / stopPct,
    barsToMfe, barsToMae
  };
}
function patternEventBase(coin, tf, crossIdx, cross, cs, source){
  const ts = cs[crossIdx].time;
  return {
    schemaVersion:PPOOL_SCHEMA_VERSION, source, coin, timeframe:tf, timestamp:ts,
    eventKey:`${coin}:${tf}:${cross.pair}:${cross.dir}:${ts}`,
    pair:cross.pair, dir:cross.dir, filter:cross.filter,
    volRegime:cross.regime.vol, trendRegime:cross.regime.trend, regimeKey:cross.regime.key,
    refClose:cs[crossIdx].close, status:"pending", createdAt:Date.now()
  };
}
async function patternRecentExists(coin, tf, patId, ts, excludeId=null){
  const key = `${coin}:${tf}:${patId}`;
  const arr = await dbIndexAll("events", "coinPatternKey", key);
  const sec = intervalSec(tf) * 3;
  return arr.some(e => e.id !== excludeId && Math.abs((e.timestamp||0)-ts) <= sec);
}
async function patternAddOrUpdateEvent(ev){
  const saved=await dbGet("metadata",`flowSnapshot:${ev.eventKey}`);
  if(saved&&saved.value&&!ev.flowSnapshot){ev.flowSnapshot=saved.value;ev.flowSignalAt=saved.value.at||null;await dbDelete("metadata",saved.key);}
  const old=await dbIndexGet("events","eventKey",ev.eventKey);
  if(old){
    const merged=Object.assign({},old,ev,{id:old.id,flowSnapshot:ev.flowSnapshot||old.flowSnapshot||null});
    await dbPut("events",merged); return merged;
  }
  const id=await dbAdd("events",ev); ev.id=id; return ev;
}
function patternFinalizeEvent(ev, sarBucket){
  ev.sarBucket = sarBucket;
  ev.patternId = patternId(ev.pair, ev.dir, sarBucket, ev.filter);
  ev.patternKey = `${ev.timeframe}:${ev.patternId}`;
  ev.coinPatternKey = `${ev.coin}:${ev.timeframe}:${ev.patternId}`;
  ev.status = "tracking";
  ev.finalizedAt = Date.now();
  return ev;
}
async function patternBackfillSymbol(coin){
  if (!await patternPoolInit()) return;
  const token = ++PPool.backfillToken;
  patternPoolSetStatus(`Backfill çalışıyor: ${coin}`);
  try{
    const affected = new Set();
    for (const tf of PATTERN_TFS){
      if (token !== PPool.backfillToken) return;
      const cs = (coin===S.symbol && tf===S.interval && S.candles.length>=120) ? S.candles.slice() : await fetchKlines(coin, tf, 600);
      const keys = await patternBackfillCandles(coin, tf, cs);
      keys.forEach(k=>affected.add(k));
      const keys2 = await patternUpdateOpenEvents(coin, tf, cs);
      keys2.forEach(k=>affected.add(k));
    }
    await patternRecomputeKeys(affected);
    patternPoolSetStatus(`Aktif — ${coin} 1m/5m backfill tamam`);
    renderPoolView();
  }catch(e){ console.warn("Pattern backfill hata:", e); patternPoolSetStatus("Havuz backfill hatası — ana motor etkilenmedi", true); }
}
async function patternBackfillCandles(coin, tf, cs){
  const affected = new Set();
  if (!cs || cs.length < 80) return affected;
  const ctx = patternContext(cs);
  const minI = Math.max(...patternPeriods()) + 2;
  for (let i=minI; i<cs.length-20; i++){
    const crosses = patternCrossesAt(ctx, i);
    if (!crosses.length) continue;
    for (const cross of crosses){
      const sar = patternResolveSar(ctx, i, cross.dir, cs.length-1); if (!sar) continue;
      const out = patternOutcome(cs, i, cross.dir); if (!out) continue;
      let ev = patternEventBase(coin, tf, i, cross, cs, "backfill");
      patternFinalizeEvent(ev, sar.bucket);
      ev.status = "settled"; ev.settledAt = Date.now(); Object.assign(ev, out);
      if (await patternRecentExists(coin, tf, ev.patternId, ev.timestamp)) continue;
      await patternAddOrUpdateEvent(ev);
      affected.add(ev.patternKey); affected.add(ev.coinPatternKey);
    }
  }
  return affected;
}
async function patternPoolOnClosedCandle(coin, tf, cs){
  if (!PATTERN_TFS.includes(tf)) return;
  if (!await patternPoolInit()) return;
  try{
    const ctx = patternContext(cs), i = cs.length-1;
    const affected = new Set();
    const crosses = patternCrossesAt(ctx, i);
    for (const cross of crosses){
      let ev = patternEventBase(coin, tf, i, cross, cs, "live");
      const sar = patternResolveSar(ctx, i, cross.dir, i);
      if (sar){
        patternFinalizeEvent(ev, sar.bucket);
        if (await patternRecentExists(coin, tf, ev.patternId, ev.timestamp)) continue;
      }
      await patternAddOrUpdateEvent(ev);
    }
    const keys = await patternUpdateOpenEvents(coin, tf, cs); keys.forEach(k=>affected.add(k));
    await patternRecomputeKeys(affected);
    if ($("view-pool")?.classList.contains("active")) renderPoolView();
  }catch(e){ console.warn("Pattern live hata:", e); }
}
async function patternUpdateOpenEvents(coin, tf, cs){
  const affected = new Set();
  if (!PPool.enabled || !PATTERN_TFS.includes(tf)) return affected;
  const open = (await dbIndexAll("events", "coin", coin)).filter(e => e.timeframe===tf && (e.status==="pending" || e.status==="tracking"));
  if (!open.length) return affected;
  const ctx = patternContext(cs);
  const timeToIdx = new Map(cs.map((c,i)=>[c.time,i]));
  for (const ev of open){
    const i = timeToIdx.get(ev.timestamp); if (i == null) continue;
    let changed = false;
    if (ev.status === "pending"){
      const sar = patternResolveSar(ctx, i, ev.dir, cs.length-1);
      if (sar){
        patternFinalizeEvent(ev, sar.bucket);
        if (await patternRecentExists(coin, tf, ev.patternId, ev.timestamp, ev.id)){
          if (ev.id) await dbDelete("events", ev.id);
          continue;
        }
        changed = true;
      }
    }
    if (ev.status === "tracking"){
      const out = patternOutcome(cs, i, ev.dir);
      if (out){ Object.assign(ev, out); ev.status="settled"; ev.settledAt=Date.now(); changed=true; }
    }
    if (changed){
      await dbPut("events", ev);
      if (ev.patternKey){ affected.add(ev.patternKey); affected.add(ev.coinPatternKey); }
    }
  }
  return affected;
}
async function patternCompleteOpenForSymbol(coin){
  if (!await patternPoolInit()) return;
  for (const tf of PATTERN_TFS){
    try{ const cs = await fetchKlines(coin, tf, 600); const keys = await patternUpdateOpenEvents(coin, tf, cs); await patternRecomputeKeys(keys); }
    catch(e){ console.warn("open complete hata", coin, tf, e); }
  }
}
async function patternCompleteAllOpenEvents(){
  if (!await patternPoolInit()) return;
  const open = (await dbAll("events")).filter(e => e.status === "pending" || e.status === "tracking");
  const groups = [...new Set(open.map(e => `${e.coin}:${e.timeframe}`))].filter(g => PATTERN_TFS.includes(g.split(":")[1]));
  for (const g of groups.slice(0, 20)){
    const [coin, tf] = g.split(":");
    try{ const cs = await fetchKlines(coin, tf, 600); const keys = await patternUpdateOpenEvents(coin, tf, cs); await patternRecomputeKeys(keys); }
    catch(e){ console.warn("open all complete hata", coin, tf, e); }
  }
}
function wilsonLower(wins, n){
  if (!n) return 0;
  const z=1.96, p=wins/n, denom=1+z*z/n;
  const centre=p+z*z/(2*n), adj=z*Math.sqrt((p*(1-p)+z*z/(4*n))/n);
  return Math.max(0, (centre-adj)/denom)*100;
}
function avg(arr){ return arr.length ? arr.reduce((a,b)=>a+b,0)/arr.length : 0; }
function std(arr){ if (arr.length<2) return 0; const m=avg(arr); return Math.sqrt(avg(arr.map(x=>(x-m)*(x-m)))); }
function median(arr){ const a=arr.filter(Number.isFinite).sort((x,y)=>x-y); if(!a.length) return 0; const m=Math.floor(a.length/2); return a.length%2?a[m]:(a[m-1]+a[m])/2; }
async function patternRecomputeKeys(keys){
  if (!PPool.enabled || !keys || !keys.size) return;
  for (const key of keys) await patternRecomputeStats(key);
}
async function patternEventsForStatKey(key){
  const parts = key.split(":");
  if (parts.length === 2) return dbIndexAll("events", "patternKey", key);
  if (parts.length === 3) return dbIndexAll("events", "coinPatternKey", key);
  return [];
}
function flowFeatureSupport(feature,snap){
  if(!snap||!snap.direction) return null;
  const dir=snap.direction==="AL"?1:snap.direction==="SAT"?-1:0;
  if(!dir) return null;
  if(feature==="CVD") return Number.isFinite(snap.cvdBias)?(dir*snap.cvdBias>=0.05):null;
  if(feature==="OBI") return Number.isFinite(snap.obi)?(dir*snap.obi>=0.08):null;
  if(feature==="Liq"){
    if(!Number.isFinite(snap.longLiq60)||!Number.isFinite(snap.shortLiq60)) return null;
    return dir===1?snap.shortLiq60>snap.longLiq60:snap.longLiq60>snap.shortLiq60;
  }
  if(feature==="OI"){
    if(!Number.isFinite(snap.oiChangePct)||!Number.isFinite(snap.cvdBias)) return null;
    return snap.oiChangePct>=0.25 && dir*snap.cvdBias>=0.05;
  }
  if(feature==="Funding"){
    if(!Number.isFinite(snap.funding)) return null;
    return dir===1?snap.funding<=-0.00025:snap.funding>=0.00025;
  }
  return null;
}
function computeFlowFeatureLift(events,winThreshold){
  const out={};
  for(const feature of ["CVD","OBI","Liq","OI","Funding"]){
    const rows=[];
    for(const ev of events){
      const support=flowFeatureSupport(feature,ev.flowSnapshot);
      if(support==null||!Number.isFinite(+ev.ret10)) continue;
      rows.push({support,ret:+ev.ret10,win:+ev.ret10>winThreshold});
    }
    const a=rows.filter(x=>x.support),b=rows.filter(x=>!x.support);
    const metric=arr=>({n:arr.length,winRate:arr.length?arr.filter(x=>x.win).length/arr.length*100:null,avgRet10:arr.length?avg(arr.map(x=>x.ret)):null});
    const yes=metric(a),no=metric(b);
    out[feature]={supported:yes,other:no,winLift:yes.winRate!=null&&no.winRate!=null?yes.winRate-no.winRate:null,
      ret10Lift:yes.avgRet10!=null&&no.avgRet10!=null?yes.avgRet10-no.avgRet10:null};
  }
  return out;
}
async function patternRecomputeStats(key){
  let events = (await patternEventsForStatKey(key)).filter(e => e.status === "settled").sort((a,b)=>(b.timestamp||0)-(a.timestamp||0));
  if (events.length > 500){
    const old = events.slice(500); events = events.slice(0,500);
    old.forEach(e => { if (e.id) dbDelete("events", e.id).catch(()=>{}); });
  }
  const n = events.length, thr = +S.settings.patternWinPct || 0.15;
  const wins = events.filter(e => +e.ret10 > thr).length;
  let wSum=0, wWins=0, wRet=0;
  events.forEach((e,k)=>{ const w=Math.pow(0.98,k); wSum+=w; if(+e.ret10>thr) wWins+=w; wRet += (+e.ret10||0)*w; });
  const ret10s = events.map(e=>+e.ret10||0), mfes=events.map(e=>+e.mfe20||0), maes=events.map(e=>+e.mae20||0), rms=events.map(e=>+e.rMultiple||0), bars=events.map(e=>+e.barsToMfe||0);
  const regimes = {};
  events.forEach(e => {
    const rk = e.regimeKey || `${e.volRegime||"MID"}_${e.trendRegime||"FLAT"}`;
    const r = regimes[rk] || (regimes[rk] = {key:rk, n:0, wins:0, ret10Sum:0});
    r.n++; if ((+e.ret10||0) > thr) r.wins++; r.ret10Sum += (+e.ret10||0);
  });
  Object.values(regimes).forEach(r => { r.winRate = r.n ? r.wins/r.n*100 : 0; r.avgRet10 = r.n ? r.ret10Sum/r.n : 0; });
  const parts = key.split(":"), coin = parts.length===3 ? parts[0] : null, tf = parts.length===3 ? parts[1] : parts[0], patId = parts.length===3 ? parts[2] : parts[1];
  const stat = {
    key, schemaVersion:PPOOL_SCHEMA_VERSION, updatedAt:Date.now(), scope:coin?"coin":"global", coin, timeframe:tf, patternId:patId,
    n, wins, winRate:n?wins/n*100:0, wilsonLower:wilsonLower(wins,n),
    avgRet10:avg(ret10s), stdRet10:std(ret10s), avgMfe20:avg(mfes), medianMfe20:median(mfes), avgMae20:avg(maes), medianMae20:median(maes), avgRMultiple:avg(rms), medBarsToMfe:median(bars),
    weightedWinRate:wSum?wWins/wSum*100:0, weightedAvgRet10:wSum?wRet/wSum:0, regimes,
    flowFeatureLift:computeFlowFeatureLift(events,thr)
  };
  await dbPut("poolStats", stat);
  return stat;
}
async function patternGetStats(key){ return (await dbGet("poolStats", key)) || null; }
function patternSignalId(dir, idx, elapsed){
  if (!S.candles[idx]) return null;
  const pair = `${patternPeriods()[0]}x${patternPeriods()[1]}`;
  const pdir = dir === "AL" ? "UP" : "DOWN";
  const sar = elapsed === 0 ? "SAR0" : elapsed === 1 ? "SAR1" : elapsed <= 3 ? "SAR2-3" : "SARX";
  const closes = S.candles.map(c=>c.close), ma50 = sma(closes, patternPeriods()[2]);
  const filter = pdir === "UP" ? (S.candles[idx].close > ma50[idx] ? "F1":"F0") : (S.candles[idx].close < ma50[idx] ? "F1":"F0");
  return patternId(pair, pdir, sar, filter);
}
async function patternRenderSignalContext(patId, idx=null){
  const el = $("patternHist"); if (!el) return;
  if (!patId){ el.innerHTML = `<b>Tarihsel Performans</b><span>Katman 1 sinyali gelince ilgili desen havuzu burada görünecek.</span>`; return; }
  if (!PATTERN_TFS.includes(S.interval)){ el.innerHTML = `<b>Tarihsel Performans</b><span>Havuz bu fazda sadece 1m ve 5m için aktif.</span>`; return; }
  if (!await patternPoolInit()){ el.innerHTML = `<b>Tarihsel Performans</b><span>Kalıcı depolama yok, havuz devre dışı.</span>`; return; }
  const gKey = `${S.interval}:${patId}`, cKey = `${S.symbol}:${S.interval}:${patId}`;
  const [g,c] = await Promise.all([patternGetStats(gKey), patternGetStats(cKey)]);
  const use = c && c.n >= 30 ? c : g;
  const src = c && c.n >= 30 ? `${S.symbol} overlay` : "Global havuz";
  if (!use || !use.n){ el.innerHTML = `<b>Tarihsel Performans</b><span class="histMain">${escapeHtml(patternName(patId))}</span><div class="histSub">Veri topluyor — bu desen için henüz settled örnek yok.</div>`; return; }
  let insight = "";
  try{
    const ctx = patternContext(S.candles), reg = patternRegimeAt(ctx, idx ?? S.candles.length-1);
    const r = use.regimes && use.regimes[reg.key];
    if (r && r.n >= 20) insight = `<div class="histSub">Şartlı içgörü (${reg.vol}/${reg.trend}): win ${r.winRate.toFixed(0)}% · ret10 ${signed(r.avgRet10,2)}% · ${r.n} örnek</div>`;
  }catch(e){ /* sessiz */ }
  const badge = use.n < 15 ? "Veri topluyor" : use.wilsonLower >= 50 ? "Güvenilir" : use.wilsonLower < 42 ? "Zayıf" : "İzleniyor";
  el.innerHTML = `<b>Tarihsel Performans</b><span class="histMain">${escapeHtml(patternName(patId))}</span>`+
    `<div class="histSub">${src}: win ${use.winRate.toFixed(0)}% · Wilson alt ${use.wilsonLower.toFixed(0)}% · ${use.n} örnek · ${badge}</div>`+
    `<div class="histSub">Ret10 ${signed(use.avgRet10,2)}% (ağırlıklı ${signed(use.weightedAvgRet10,2)}%) · MFE/MAE ${use.avgMfe20.toFixed(2)}%/${use.avgMae20.toFixed(2)}% · MFE medyan ${use.medBarsToMfe.toFixed(0)} mum</div>`+
    (c && c.n>=30 && g ? `<div class="histSub">Global referans: win ${g.winRate.toFixed(0)}% · Wilson ${g.wilsonLower.toFixed(0)}% · ${g.n} örnek</div>` : "") + insight;
}
function poolBadge(stats){
  if (!stats || stats.n < 15) return `<span class="badge wait">veri topluyor</span>`;
  if (stats.wilsonLower >= 50) return `<span class="badge good">güvenilir</span>`;
  if (stats.wilsonLower < 42) return `<span class="badge bad">zayıf</span>`;
  return `<span class="badge">izleniyor</span>`;
}
async function renderPoolView(){
  const rows = $("poolRows"); if (!rows) return;
  if (!await patternPoolInit()){ rows.innerHTML = `<div style="padding:12px;color:var(--watch);font-size:12px">Kalıcı depolama yok, havuz devre dışı.</div>`; return; }
  const tfFilter = $("poolTfFilter")?.value || "all";
  const minN = +($("poolMinFilter")?.value || 0);
  const statsArr = await dbAll("poolStats");
  const byKey = new Map(statsArr.filter(s => s.scope === "global").map(s => [s.key, s]));
  let keys = [];
  PATTERN_TFS.forEach(tf => patternAllIds().forEach(pid => keys.push(`${tf}:${pid}`)));
  const defaultKeySet = new Set(keys);
  statsArr.filter(s => s.scope==="global" && !defaultKeySet.has(s.key)).forEach(s => keys.push(s.key));
  let list = keys.map(key => byKey.get(key) || {key, scope:"global", timeframe:key.split(":")[0], patternId:key.split(":")[1], n:0, wins:0, winRate:0, wilsonLower:0, avgRet10:0, avgMfe20:0, avgMae20:0, weightedWinRate:0});
  list = list.filter(s => (tfFilter==="all" || s.timeframe===tfFilter) && s.n >= minN)
             .sort((a,b) => (b.wilsonLower-a.wilsonLower) || (b.n-a.n));
  if (!list.length){ rows.innerHTML = `<div style="padding:12px;color:var(--muted);font-size:12px">Filtreye uygun havuz yok.</div>`; return; }
  rows.innerHTML = list.map(st => `<div class="poolRow" data-key="${escapeHtml(String(st.key||""))}">`+
    `<span>${escapeHtml(patternName(st.patternId))}<small>${escapeHtml(String(st.patternId||""))}</small></span>`+
    `<span>${escapeHtml(String(st.timeframe||""))}</span><span>${Number(st.n)||0}</span><span>${(Number(st.wilsonLower)||0).toFixed(0)}%</span>`+
    `<span>${signed(Number(st.avgRet10)||0,2)}%</span><span>${(Number(st.avgMfe20)||0).toFixed(2)}/${(Number(st.avgMae20)||0).toFixed(2)}</span><span>${poolBadge(st)}</span></div>`).join("");
  rows.querySelectorAll(".poolRow").forEach(r => r.onclick = () => renderPoolDetail(r.dataset.key));
}
async function renderPoolDetail(key){
  PPool.selectedKey = key;
  const el = $("poolDetail"); if (!el || !PPool.enabled) return;
  const st = await patternGetStats(key);
  const evs = (await patternEventsForStatKey(key)).filter(e=>e.status==="settled").sort((a,b)=>(b.timestamp||0)-(a.timestamp||0));
  if (!st){ el.innerHTML = "Bu havuz henüz veri topluyor."; return; }
  const regs = Object.values(st.regimes||{}).sort((a,b)=>b.n-a.n).map(r => `<tr><td>${escapeHtml(String(r.key||"").replace("_","/"))}</td><td>${Number(r.n)||0}</td><td>${(Number(r.winRate)||0).toFixed(0)}%</td><td>${signed(Number(r.avgRet10)||0,2)}%</td></tr>`).join("") || `<tr><td colspan="4">Rejim verisi yok</td></tr>`;
  const samples = evs.slice(0,20).map(e => `<div class="sample"><span>${escapeHtml(String(e.coin||"?"))} · ${new Date(e.timestamp*1000).toLocaleString("tr-TR",{day:"2-digit",month:"2-digit",hour:"2-digit",minute:"2-digit"})}<br><small>${escapeHtml(String(e.source||"live"))} · ${escapeHtml(String(e.volRegime||"?"))}/${escapeHtml(String(e.trendRegime||"?"))}</small></span><b class="${(+e.ret10||0)>0?'pos':'neg'}">ret10 ${signed(e.ret10,2)}% · R ${signed(e.rMultiple,2)}</b></div>`).join("") || "Son örnek yok.";
  const overlayOn = patOverlay.poolActive && patOverlay.poolKey === key;
  const liftNames={CVD:"CVD yönü",OBI:"OBI yönü",Liq:"Likidasyon akışı",OI:"OI + yönlü CVD",Funding:"Funding"};
  const liftRows=Object.entries(st.flowFeatureLift||{}).map(([feature,x])=>{
    const sup=x.supported||{},other=x.other||{};
    const lift=x.winLift==null?"henüz karşılaştırma yok":`${signed(x.winLift,1)} puan win lift`;
    const retLift=x.ret10Lift==null?"":` · ret10 Δ ${signed(x.ret10Lift,2)}%`;
    return `<tr><td>${liftNames[feature]||feature}</td><td>${sup.n||0}</td><td>${other.n||0}</td><td>${sup.winRate==null?"veri yok":sup.winRate.toFixed(0)+"%"}</td><td>${other.winRate==null?"veri yok":other.winRate.toFixed(0)+"%"}</td><td>${lift}${retLift}</td></tr>`;
  }).join("")||`<tr><td colspan="6">Akış snapshot'ı olan settled örnek yok.</td></tr>`;
  el.innerHTML = `<button class="btn" id="poolBackBtn" style="margin-bottom:10px">◀ Listeye dön</button>`+
    `<div><b style="color:var(--text)">${escapeHtml(patternName(st.patternId))}</b><div style="margin-top:4px">${escapeHtml(String(st.key||""))}</div></div>`+
    `<div class="metricGrid" style="margin-top:8px"><div class="metric"><span>Ham win</span><b>${st.winRate.toFixed(1)}%</b></div><div class="metric"><span>Ağırlıklı win</span><b>${st.weightedWinRate.toFixed(1)}%</b></div><div class="metric"><span>Wilson alt</span><b>${st.wilsonLower.toFixed(1)}%</b></div><div class="metric"><span>Örnek</span><b>${st.n}</b></div></div>`+
    `<button class="btn" id="poolOverlayBtn" style="margin-top:10px;width:100%">${overlayOn ? "✕ Grafikten Kaldır" : `📈 Grafikte Göster (${S.symbol})`}</button>`+
    `<table><tr><th>Rejim</th><th>N</th><th>Win</th><th>Ret10</th></tr>${regs}</table>`+
    `<div class="flowLiftTitle">Akış özelliği lift'i <small>yalnız gözlem · sabit ağırlıklar değiştirilmez</small></div>`+
    `<div class="flowLiftTableWrap"><table class="flowLiftTable"><tr><th>Özellik</th><th>Destek n</th><th>Diğer n</th><th>Destek win</th><th>Diğer win</th><th>Lift</th></tr>${liftRows}</table></div>`+
    `<div style="margin-top:10px;color:var(--text);font-weight:700">Son 20 örnek</div>${samples}`;
  if ($("poolOverlayBtn")) $("poolOverlayBtn").onclick = () => togglePoolOverlay(key);
  if ($("poolBackBtn")) $("poolBackBtn").onclick = () => {
    PPool.selectedKey = null;
    el.innerHTML = "Leaderboard'dan bir desen seç.";
    $("view-pool")?.scrollTo({top:0, behavior:"smooth"});
  };
}
async function patternPoolExport(){
  if (!await patternPoolInit()) return;
  const data = {schemaVersion:PPOOL_SCHEMA_VERSION, exportedAt:new Date().toISOString(), events:await dbAll("events"), poolStats:await dbAll("poolStats")};
  const blob = new Blob([JSON.stringify(data,null,2)], {type:"application/json"});
  const a = document.createElement("a");
  a.href = URL.createObjectURL(blob); a.download = `futures-pattern-pool-${Date.now()}.json`; a.click();
  setTimeout(()=>URL.revokeObjectURL(a.href), 1000);
}
async function patternPoolImport(file){
  if (!file || !await patternPoolInit()) return;
  const txt = await file.text(); const data = JSON.parse(txt);
  if (!Array.isArray(data.events)) throw new Error("JSON events alanı yok");
  const affected = new Set(); let n=0;
  for (const e0 of data.events){
    const e = Object.assign({}, e0); delete e.id;
    if (!e.eventKey) continue;
    const old = await dbIndexGet("events", "eventKey", e.eventKey);
    if (!old){ await dbAdd("events", e); n++; }
    if (e.patternKey) { affected.add(e.patternKey); if (e.coinPatternKey) affected.add(e.coinPatternKey); }
  }
  await patternRecomputeKeys(affected);
  patternPoolSetStatus(`İçe aktarıldı: ${n} yeni olay`);
  renderPoolView();
}
async function patternRecomputeAllStats(){
  if (!await patternPoolInit()) return;
  const keys = new Set();
  (await dbAll("events")).forEach(e => { if (e.status === "settled" && e.patternKey){ keys.add(e.patternKey); if (e.coinPatternKey) keys.add(e.coinPatternKey); } });
  await patternRecomputeKeys(keys);
  renderPoolView();
}
function bindPatternPoolUI(){
  if ($("poolTfFilter")) $("poolTfFilter").onchange = renderPoolView;
  if ($("poolMinFilter")) $("poolMinFilter").onchange = renderPoolView;
  if ($("poolRefreshBtn")) $("poolRefreshBtn").onclick = renderPoolView;
  if ($("poolExportBtn")) $("poolExportBtn").onclick = patternPoolExport;
  if ($("poolImportBtn")) $("poolImportBtn").onclick = () => $("poolImportFile").click();
  if ($("poolImportFile")) $("poolImportFile").onchange = async e => {
    try{ await patternPoolImport(e.target.files[0]); }
    catch(err){ patternPoolSetStatus("İçe aktarma hatası: " + err.message, true); }
    e.target.value = "";
  };
}
/* ================= PATTERN CHART OVERLAY — geçmiş desenleri grafikte göster ================= */
// Bir event'in giriş fiyatından, MFE/MAE yüzdesine göre gerçek fiyat+zaman noktasını türetir.
function patOutcomePoint(ev, kind){
  if (!ev || !ev.refClose || !ev.timestamp) return null;
  const bars = kind === "mfe" ? ev.barsToMfe : ev.barsToMae;
  if (bars == null) return null; // eski (barsToMae'siz) event'lerde MAE noktası çizilemez
  const magnitude = kind === "mfe" ? (+ev.mfe20 || 0) : (+ev.mae20 || 0);
  const favorable = kind === "mfe";
  const goingUp = ev.dir === "UP";
  const priceUpward = (goingUp && favorable) || (!goingUp && !favorable);
  return {
    time: ev.timestamp + bars * intervalSec(ev.timeframe),
    price: ev.refClose * (1 + (priceUpward ? 1 : -1) * magnitude / 100)
  };
}
// Sadece yüklü mum aralığında (S.candles) çizim yapabiliriz; aksi halde marker/çizgi zaman ekseninde karşılıksız kalır.
function patEventDrawable(ev){
  return !!(S.candles.length && ev && ev.timestamp >= S.candles[0].time);
}
function eventOverlayMarkers(ev){
  const out = [];
  const dirUp = ev.dir === "UP";
  const mfe = patOutcomePoint(ev, "mfe"), mae = patOutcomePoint(ev, "mae");
  out.push({ time: ev.timestamp, position: dirUp ? "belowBar" : "aboveBar", color:"#8b949e", shape:"circle",
    text: `giriş ${ev.dir==="UP"?"AL":"SAT"}` });
  if (mfe) out.push({ time: mfe.time, position: dirUp ? "aboveBar" : "belowBar", color:"#26a69a", shape:"circle",
    text: `MFE +${(+ev.mfe20||0).toFixed(2)}%` });
  if (mae) out.push({ time: mae.time, position: dirUp ? "belowBar" : "aboveBar", color:"#ef5350", shape:"circle",
    text: `MAE -${(+ev.mae20||0).toFixed(2)}%` });
  return { markers: out, mfe, mae };
}
function clearPatLineSeries(arr){
  arr.forEach(s => { try{ chart.removeSeries(s); }catch(e){} });
  arr.length = 0;
}
function addPatLine(p1, p2, color){
  const s = chart.addLineSeries({
    color, lineWidth:1, priceLineVisible:false, lastValueVisible:false,
    lineStyle: LightweightCharts.LineStyle.Dotted, crosshairMarkerVisible:false
  });
  s.setData([{time:p1.time, value:p1.price}, {time:p2.time, value:p2.price}]);
  return s;
}
function drawEventOverlay(ev, linesArr, markersOut){
  if (!patEventDrawable(ev)) return false;
  const { markers, mfe, mae } = eventOverlayMarkers(ev);
  markersOut.push(...markers);
  const entry = { time: ev.timestamp, price: ev.refClose };
  if (mfe) linesArr.push(addPatLine(entry, mfe, "#26a69a"));
  if (mae) linesArr.push(addPatLine(entry, mae, "#ef5350"));
  return true;
}
// Katman 1 sinyali ateşlendiğinde: aynı coin/tf/desen için en son GEÇMİŞ (şu anki sinyalden önceki) örneği çiz.
async function patternRenderChartOverlay(patId, idx){
  clearPatLineSeries(patOverlay.ctxLines);
  patOverlay.ctxMarkers = [];
  if (!patId || !PATTERN_TFS.includes(S.interval) || !await patternPoolInit()){ redrawMarkers(); return; }
  const curTs = (idx != null && S.candles[idx]) ? S.candles[idx].time : null;
  const key = `${S.symbol}:${S.interval}:${patId}`;
  const evs = (await dbIndexAll("events", "coinPatternKey", key))
    .filter(e => e.status === "settled" && e.timestamp !== curTs)
    .sort((a,b) => b.timestamp - a.timestamp);
  const ev = evs[0];
  if (ev) drawEventOverlay(ev, patOverlay.ctxLines, patOverlay.ctxMarkers);
  redrawMarkers();
}
// Pattern Pool sekmesinden: seçili desenin bu coindeki tüm (yüklü aralıktaki) geçmiş örneklerini grafikte göster/kapat.
async function togglePoolOverlay(key){
  if (patOverlay.poolActive && patOverlay.poolKey === key){
    patOverlay.poolActive = false; patOverlay.poolKey = null;
    clearPatLineSeries(patOverlay.poolLines); patOverlay.poolMarkers = [];
    redrawMarkers(); renderPoolDetail(key);
    return;
  }
  if (!await patternPoolInit()) return;
  const parts = key.split(":");
  const tf = parts.length === 3 ? parts[1] : parts[0];
  const patId = parts.length === 3 ? parts[2] : parts[1];
  if (tf !== S.interval){
    // Native alert() bazı WebView/embedded ortamlarda JS thread'i kilitleyip UI'ı donduruyor — engelleyici dialog yerine sessiz uyarı.
    patternPoolSetStatus(`Bu desen ${tf} zaman diliminde toplanmış; grafikte görmek için üstteki ${tf} sekmesine geç.`, true);
    return;
  }
  clearPatLineSeries(patOverlay.poolLines);
  const coinKey = `${S.symbol}:${tf}:${patId}`;
  const evs = (await dbIndexAll("events", "coinPatternKey", coinKey))
    .filter(e => e.status === "settled")
    .sort((a,b) => b.timestamp - a.timestamp)
    .slice(0, 15); // grafik kalabalaşmasın diye en son 15 örnekle sınırlı
  const markers = [];
  evs.forEach(ev => drawEventOverlay(ev, patOverlay.poolLines, markers));
  patOverlay.poolMarkers = markers;
  patOverlay.poolActive = true; patOverlay.poolKey = key;
  redrawMarkers();
  patternPoolSetStatus(markers.length
    ? `${S.symbol}: grafikte ${evs.length} geçmiş örnek gösteriliyor`
    : `${S.symbol} için yüklü mum aralığında bu desenden örnek yok`, !markers.length);
  showView("chart");
}
function clearAllPatOverlays(){
  clearPatLineSeries(patOverlay.ctxLines); patOverlay.ctxMarkers = [];
  clearPatLineSeries(patOverlay.poolLines); patOverlay.poolMarkers = [];
  patOverlay.poolActive = false; patOverlay.poolKey = null;
}
/* ================= 10. COIN SEÇİMİ / FAVORİLER ================= */
async function changeInterval(nextInterval){
  if(!TFS.includes(nextInterval)||nextInterval===S.interval) return false;
  endActiveSignalLifecycles("SÜRESİ DOLDU","Zaman dilimi değişti");
  S.interval=nextInterval;save();
  document.querySelectorAll("#tfBar [data-tf]").forEach(x=>x.classList.toggle("active",x.dataset.tf===nextInterval));
  engine.pending=null;engine.earlyWarning=null;engine.markers=[];clearAllPatOverlays();
  await loadKlines();await signalHistoryHydrate();
  signalHistoryUpdateForCandles(S.symbol,S.interval,S.candles).catch(()=>{});
  redrawAll();restoreOrFitChart();runEngine();wsConnect();
  refresh24h(true);renderHud(true);loadHtf(true);renderHtfChip();
  patternBackfillSymbol(S.symbol).catch(e=>console.warn("pattern backfill hata",e));
  return true;
}
async function switchSymbol(sym){
  patternCompleteOpenForSymbol(S.symbol).catch(()=>{});
  S.symbol = sym;
  S.recents = [sym, ...S.recents.filter(x => x !== sym)].slice(0, 10);
  save(); updateFavBtn(); renderFavs();
  engine.pending = null; engine.markers = []; engine.log = []; engine.lastRaw = null;
  engine.activeSignals = []; engine.lastLifecycle = null; engine.earlyWarning = null;
  clearAllPatOverlays();
  setStatus("NOTR", "Yeni sembol yüklendi.");
  $("symInput").value = ""; $("symInput").placeholder = sym; $("symDrop").style.display = "none";
  resetFlow();
  hud24h.value = null; hud24h.symbol = null; hud.highlight = null;
  await loadKlines();
  await signalHistoryHydrate();
  signalHistoryUpdateForCandles(S.symbol,S.interval,S.candles).catch(()=>{});
  refresh24h(true); renderHud(true); loadHtf(true); renderHtfChip();
  if (chart && typeof chart.remove === "function") chart.remove();
  initChart(S.symbol);
  redrawAll(); restoreOrFitChart();
  runEngine(); renderSignalTab();
  wsConnect(); restartRaw(false);
  patternBackfillSymbol(sym).catch(e => console.warn("pattern backfill hata", e));
}
function symMatches(q){
  const u = String(q||"").toUpperCase().replace(/[^A-Z0-9]/g, "");
  if (!u) return [];
  const rank = s => {
    const m = (S.symMeta && S.symMeta[s]) || {};
    const base = m.base || s;
    if (s === u || base === u) return 0;
    if (s.startsWith(u) || base.startsWith(u)) return 1;
    if (base.includes(u)) return 2;
    return 3;
  };
  return S.symbols.filter(s => s.includes(u)).sort((x, y) => rank(x) - rank(y) || x.localeCompare(y));
}
function renderDrop(q){
  const drop = $("symDrop");
  if (!S.symbols.length && q) loadSymbols();     // liste henüz gelmediyse tekrar dene
  const list = q
    ? symMatches(q)
    : [...new Set([...S.favs, ...S.recents])].slice(0, 15);
  if (!list.length){
    drop.innerHTML = q ? `<div class="row"><span style="color:var(--muted)">${S.symbols.length ? "Eşleşen sembol yok" : "Sembol listesi yükleniyor…"}</span></div>` : "";
    drop.style.display = q ? "block" : "none"; return;
  }
  drop.innerHTML = list.map(s => {
    const m = (S.symMeta && S.symMeta[s]) || {};
    return `<div class="row" data-s="${s}"><span>${s}</span><small>${S.favs.includes(s)?"★ ":""}${m.quote||""} ${activeSrc().futures?"PERP":"SPOT"}</small></div>`;
  }).join("");
  drop.style.display = "block";
  drop.querySelectorAll(".row[data-s]").forEach(r => r.onclick = () => switchSymbol(r.dataset.s));
}
function updateFavBtn(){
  const on = S.favs.includes(S.symbol);
  $("favBtn").textContent = on ? "★" : "☆";
  $("favBtn").classList.toggle("active", on);
}
function renderFavs(){
  $("favList").innerHTML = S.favs.length ? S.favs.map(s =>
    `<div class="favRow"><span data-go="${s}" style="font-weight:600">${s}</span><button class="x" data-del="${s}">✕</button></div>`).join("")
    : '<div style="color:var(--muted);font-size:12.5px">Favori yok. Header\'daki yıldıza bas.</div>';
  $("recentList").innerHTML = S.recents.length ? S.recents.map(s =>
    `<div class="favRow"><span data-go="${s}" style="font-weight:600">${s}</span></div>`).join("")
    : '<div style="color:var(--muted);font-size:12.5px">—</div>';
  document.querySelectorAll("[data-go]").forEach(e => e.onclick = () => { switchSymbol(e.dataset.go); showView("chart"); });
  document.querySelectorAll("[data-del]").forEach(e => e.onclick = () => {
    S.favs = S.favs.filter(x => x !== e.dataset.del); save(); renderFavs(); updateFavBtn();
  });
}
/* ================= 11. AYARLAR / NAV / INIT ================= */
function fmt(n){
  n = Number(n); if (!Number.isFinite(n)) return "—";
  if (n === 0) return "0";
  /* sembolün tick hassasiyeti varsa onu kullan (kırpma yok); yoksa uyarlanabilir yedek */
  const prec = S.pricePrecision[S.symbol];
  let d;
  if (Number.isFinite(prec)) d = Math.min(10, Math.max(0, prec));
  else {
    const a = Math.abs(n);
    d = a >= 1000 ? 2 : a >= 1 ? 4 : a >= 0.01 ? 6 : 8;
  }
  return n.toLocaleString("en-US", { minimumFractionDigits: d, maximumFractionDigits: d });
}
/* 0.1: was called in 3 places but never defined (ReferenceError). Uses the
   symbol's tick-size derived precision, with a safe fallback when the symbol
   metadata has not loaded yet. */
function fmtPrice(p){
  const n = Number(p);
  if (!Number.isFinite(n)) return "—";
  const prec = S.pricePrecision[S.symbol];
  const digits = Number.isFinite(prec) ? prec : (Math.abs(n) >= 100 ? 2 : 6);
  return n.toFixed(Math.min(8, Math.max(0, digits)));
}
function compact(n){
  n = Number(n); if (!Number.isFinite(n)) return "—";
  const a = Math.abs(n), s = n < 0 ? "-" : "";
  if (a >= 1e9) return s + (a/1e9).toFixed(2) + "B";
  if (a >= 1e6) return s + (a/1e6).toFixed(2) + "M";
  if (a >= 1e3) return s + (a/1e3).toFixed(1) + "K";
  return s + a.toFixed(a >= 10 ? 0 : 2);
}
function signed(n,d=1){ n=Number(n); if(!Number.isFinite(n)) return "—"; return (n>0?"+":"") + n.toFixed(d); }
function pct(v){ v=Number(v); if(!Number.isFinite(v)) return "—"; return signed(v*100,1)+"%"; }
function fundFmt(v){ v=Number(v); if(!Number.isFinite(v)) return "—"; return signed(v*100,4)+"%"; }
function scoreColor(score){ return score >= 75 ? "#26a69a" : score >= 60 ? "#4c8ce0" : score >= 45 ? "#e0b64c" : "#ef5350"; }
function escapeHtml(s){ return String(s).replace(/[&<>'"]/g, c => ({"&":"&amp;","<":"&lt;",">":"&gt;","'":"&#39;",'"':"&quot;"}[c])); }
function showView(v){
  document.querySelectorAll(".view").forEach(e => e.classList.remove("active"));
  $("view-" + v).classList.add("active");
  document.querySelectorAll("#nav button").forEach(b => b.classList.toggle("active", b.dataset.view === v));
  if (v === "pool") renderPoolView();
  if (v === "signal"){ renderDecisionRaw(engine.lastRaw||null); renderSignalLifecycle(); renderRiskPlan(); renderSignalHealth(); renderFlowLog(); renderSignalTab(); }
  if (v === "chart"){ positionPanelHeads(); renderFlowStrip(); }
}
/* 0.4: canvas drawings cannot use CSS variables directly — read them once and
   cache; applyTheme() invalidates the cache. */
const _themeVarCache = new Map();
function themeVar(name){
  if (_themeVarCache.has(name)) return _themeVarCache.get(name);
  const v = getComputedStyle(document.documentElement).getPropertyValue(name).trim();
  _themeVarCache.set(name, v);
  return v;
}
function applyTheme(){
  document.documentElement.classList.toggle("light", !S.settings.dark);
  _themeVarCache.clear();                    // 0.4: canvas palette depends on the theme
  if (chart) chart.applyOptions(themeOpts());
  if(typeof renderSettingsPreview==="function")renderSettingsPreview();
  markOverlayDirty();
}
/* ==================== STAGE 1: VIEW ENGINE (functions) ==================== */
function lastFinite(arr){
  if (!arr) return null;
  for (let i=arr.length-1; i>=0; i--){ const v = arr[i]; if (Number.isFinite(v)) return v; }
  return null;
}
/* everything visual that a view toggle can affect, in one place */
function applyView(){
  if(typeof renderSettingsPreview==="function")renderSettingsPreview();
  if (!chart || !candleSeries) return;
  redrawAll();
  applyPanelLayout();
  applyRefLines();
  renderFlowMini();
  renderFlowStrip();
  markOverlayDirty();
}
function applyViewPreset(name){
  const p = VIEW_PRESETS[name];
  if (!p) return;
  Object.assign(S.settings, p.values);
  S.settings.layerPreset = name;
  save(); syncViewControls(); applyView();
}
/* any manual toggle means the user left the preset behind */
function markCustomPreset(key){
  if (!VIEW_PRESET_KEYS.has(key)) return;
  if (S.settings.layerPreset !== "ozel"){ S.settings.layerPreset = "ozel"; syncViewControls(); }
}
/* writes S.settings into every view control (settings tab + sheet) */
function syncViewControls(){
  const toggles = {
    setDark:"dark", setRawConfirm:"rawConfirm", setHardVeto:"hardVeto",
    setShowMa:"showMa", setShowSar:"showSar", setShowVol:"showVol", setShowBB:"showBB",
    setShowRsi:"showRsi", setShowMacd:"showMacd", setShowVwap:"showVwap",
    setShowHeatmap:"showHeatmap", setShowLadder:"showLadder", setWhaleAlerts:"whaleAlerts",
    setShowLiq:"showLiq", setShowFlow:"showFlow",
    setPanelHeads:"panelHeads", setRefLines:"refLines",
    setRsiCollapsed:"rsiCollapsed", setMacdCollapsed:"macdCollapsed", setVolCollapsed:"volCollapsed",
    setFlowStrip:"flowStrip", setFlowStripCollapsed:"flowStripCollapsed", setFsCvd:"fsCvd"
  };
  for (const [id, key] of Object.entries(toggles)){ const el = $(id); if (el) el.checked = !!S.settings[key]; }
  const nums = { setPanelRsiH:"panelRsiH", setPanelMacdH:"panelMacdH", setPanelVolH:"panelVolH" };
  for (const [id, key] of Object.entries(nums)){
    const el = $(id); if (el) el.value = Math.round((+S.settings[key] || 0) * 100);
  }
  document.querySelectorAll("[data-preset]").forEach(b => { const active=b.dataset.preset===S.settings.layerPreset;b.classList.toggle("active",active);b.setAttribute("aria-pressed",String(active)); });
  const st = $("presetState");
  if (st){
    const cur = VIEW_PRESETS[S.settings.layerPreset];
    st.textContent = cur ? `Aktif: ${cur.label} — ${cur.desc}` : "Aktif: Özel — elle değiştirdiğin ayarlar korunuyor.";
  }
  const lbl = $("layersBtnLbl");
  if (lbl){ const cur = VIEW_PRESETS[S.settings.layerPreset]; lbl.textContent = cur ? cur.label : "Özel"; }
  syncLayerMatrix();
}
function syncLayerMatrix(){
  document.querySelectorAll("#view-settings .layerMatrixRow").forEach(row => {
    const toggle = document.getElementById(row.dataset.toggleId);
    const enabled = !!toggle?.checked;
    row.querySelectorAll("[data-layer-fields]").forEach(group => {
      group.disabled = !enabled;
      group.setAttribute("aria-disabled", String(!enabled));
    });
    row.classList.toggle("isLayerOff", !enabled);
  });
}
/* ---- panel headers ---- */
function buildPanelHeads(){
  const host = $("panelHeads");
  if (!host) return;
  host.innerHTML = PANEL_DEFS.map(d => `
    <div class="ph" id="ph-${d.key}">
      <button data-collapse="${d.key}" aria-label="Paneli katla / aç">▾</button>
      <span class="t" id="ph-t-${d.key}"></span>
      <span class="v" id="ph-v-${d.key}">—</span>
    </div>`).join("");
  host.querySelectorAll("button[data-collapse]").forEach(b => {
    b.onclick = () => {
      const def = PANEL_DEFS.find(d => d.key === b.dataset.collapse);
      if (!def) return;
      S.settings[def.collapseKey] = !S.settings[def.collapseKey];
      markCustomPreset(def.collapseKey); save();
      applyPanelLayout(); syncViewControls();
    };
  });
}
function positionPanelHeads(){
  const host = $("panelHeads"), chartEl = $("chart");
  if (!host || !chart || !chartEl) return;
  host.style.display = S.settings.panelHeads ? "block" : "none";
  if (!S.settings.panelHeads) return;
  const tsH = (() => { try { return chart.timeScale().height() || 26; } catch(e){ return 26; } })();
  const scaleH = Math.max(1, chartEl.clientHeight - tsH);
  PANEL_DEFS.forEach(d => {
    const el = $("ph-" + d.key);
    if (!el) return;
    const visible = !!S.settings[d.showKey];
    el.style.display = visible ? "flex" : "none";
    if (!visible) return;
    let mm = { top:0, bottom:0 };
    try { mm = chart.priceScale(d.key).options().scaleMargins || mm; } catch(e){}
    const collapsed = !!S.settings[d.collapseKey];
    el.classList.toggle("collapsed", collapsed);
    el.style.top = Math.max(0, Math.round(mm.top * scaleH)) + "px";
    const t = $("ph-t-" + d.key), v = $("ph-v-" + d.key), btn = el.querySelector("button[data-collapse]");
    if (t) t.textContent = d.title();
    if (v) v.textContent = d.value();
    if (btn) btn.textContent = collapsed ? "▸" : "▾";
  });
}
/* ---- reference lines ---- */
function clearRefLines(){
  refLines.forEach(pl => { try { pl.series.removePriceLine(pl.line); } catch(e){} });
  refLines.length = 0;
}
function applyRefLines(){
  clearRefLines();
  if (!S.settings.refLines) return;
  const add = (series, price, title) => {
    if (!series) return;
    try {
      const line = series.createPriceLine({ price, color:"#7a8794", lineWidth:1,
        lineStyle:LightweightCharts.LineStyle.Dashed, axisLabelVisible:false, title });
      refLines.push({ series, line });
    } catch(e){}
  };
  if (S.settings.showRsi){ add(rsiSeries, 70, "70"); add(rsiSeries, 50, "50"); add(rsiSeries, 30, "30"); }
  if (S.settings.showMacd) add(macdLineSeries, 0, "0");
}
/* ---- flow strip ---- */
function fundCountdown(){
  const t = flow.nextFunding;
  if (!t) return "—";
  const ms = t - Date.now();
  if (ms <= 0) return "0:00";
  const h = Math.floor(ms / 3600000), mn = Math.floor((ms % 3600000) / 60000), sc = Math.floor((ms % 60000) / 1000);
  return h > 0 ? `${h}s ${String(mn).padStart(2,"0")}dk` : `${mn}:${String(sc).padStart(2,"0")}`;
}
function drawFsCvd(){
  const cv = $("fsCvdCv");
  if (!cv || !S.settings.fsCvd) return;
  const w = cv.clientWidth, h = cv.clientHeight;
  if (!w || !h) return;
  const dpr = window.devicePixelRatio || 1;
  const pw = Math.round(w * dpr), ph = Math.round(h * dpr);
  if (cv.width !== pw || cv.height !== ph){ cv.width = pw; cv.height = ph; }   // resize only on change
  const ctx = cv.getContext("2d");
  ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
  ctx.clearRect(0, 0, w, h);
  const arr = fsState.cvd;
  if (arr.length < 2) return;
  let max = 0;
  for (const v of arr) max = Math.max(max, Math.abs(v));
  if (!max) return;
  const x = i => (i / (arr.length - 1)) * w;
  const y = v => h / 2 - (v / max) * (h / 2 - 1);
  ctx.strokeStyle = "rgba(140,150,160,.35)"; ctx.lineWidth = 1;
  ctx.beginPath(); ctx.moveTo(0, h / 2); ctx.lineTo(w, h / 2); ctx.stroke();
  ctx.strokeStyle = "#4c8ce0"; ctx.lineWidth = 1.2;
  ctx.beginPath();
  arr.forEach((v, i) => i ? ctx.lineTo(x(i), y(v)) : ctx.moveTo(x(i), y(v)));
  ctx.stroke();
  const last = arr[arr.length - 1];
  ctx.fillStyle = last >= 0 ? "#26a69a" : "#ef5350";
  ctx.beginPath(); ctx.arc(x(arr.length - 1), y(last), 2, 0, Math.PI * 2); ctx.fill();
}
function renderFlowStrip(){
  const el = $("flowStrip");
  if (!el) return;
  const on = !!S.settings.flowStrip;
  el.style.display = on ? "block" : "none";
  if (!on) return;
  el.classList.toggle("collapsed", !!S.settings.flowStripCollapsed);
  const tog = $("fsToggle");
  if (tog) tog.textContent = S.settings.flowStripCollapsed ? "▸" : "▾";
  /* flowSnapshot() walks the trade list — throttle it, the RAF path can fire 10x/s */
  const now = Date.now();
  if (!fsState.snap || now - fsState.snapAt > 250){
    fsState.snap = flowSnapshot(0);
    fsState.snapAt = now;
    fsState.cvd.push(flow.cvd);
    if (fsState.cvd.length > 140) fsState.cvd.shift();
  }
  const snap = fsState.snap;
  setVal("fsObiVal", pct(flow.obi || snap.obi), flow.obi || snap.obi);
  setVal("fsOiVal", Number.isFinite(snap.oiChangePct) ? signed(snap.oiChangePct, 2) + "%" : "—", snap.oiChangePct);
  setVal("fsFundVal", fundFmt(snap.funding), snap.funding);
  setVal("fsLiqVal", `L:${compact(snap.longLiq60)} / S:${compact(snap.shortLiq60)}`, snap.shortLiq60 - snap.longLiq60);
  const cd = $("fsFundCd"); if (cd) cd.textContent = fundCountdown();
  const fill = $("fsObiFill");
  if (fill){
    const obi = clamp(+((flow.obi || snap.obi) || 0), -1, 1);
    const w = Math.min(50, Math.abs(obi) * 50);
    if (obi >= 0){ fill.style.left = "50%"; fill.style.right = "auto"; fill.style.background = "var(--up)"; }
    else { fill.style.right = "50%"; fill.style.left = "auto"; fill.style.background = "var(--down)"; }
    fill.style.width = w + "%";
  }
  const cv = $("fsCvdCv");
  if (cv) cv.style.display = S.settings.fsCvd ? "block" : "none";
  drawFsCvd();
}
/* ---- layers bottom sheet ---- */
function openSheet(title, bodyHtml, bind){
  const sh = $("sheet"), sb = $("sheetBody");
  if (!sh || !sb) return;
  $("sheetTitle").textContent = title;
  sb.innerHTML = bodyHtml;
  if (bind) bind(sb);
  sh.classList.add("open");
  $("sheetBack").classList.add("open");
}
function closeSheet(){
  $("sheet")?.classList.remove("open");
  $("sheetBack")?.classList.remove("open");
}
const LAYER_QUICK = [
  ["showMa","MA çizgileri"], ["showSar","Parabolic SAR"], ["showVol","Hacim paneli"],
  ["showBB","Bollinger Bands"], ["showVwap","VWAP"], ["showRsi","RSI paneli"],
  ["showMacd","MACD paneli"], ["showHeatmap","Isı haritası"], ["showLadder","DOM ladder"],
  ["whaleAlerts","Whale avı"], ["showLiq","Likidasyon marker"], ["showFlow","Flow mini panel (üst sağ)"],
  ["flowStrip","Flow şeridi (alt)"], ["panelHeads","Panel başlıkları"], ["refLines","Referans çizgileri"]
];
function buildLayersSheet(){
  const presets = Object.entries(VIEW_PRESETS).map(([k, v]) =>
    `<button data-preset="${k}" aria-pressed="${S.settings.layerPreset===k}" class="${S.settings.layerPreset === k ? "active" : ""}">${v.label}</button>`).join("");
  const rows = LAYER_QUICK.map(([k, l]) =>
    `<div class="row"><label for="sh-${k}">${l}</label><input type="checkbox" id="sh-${k}" ${S.settings[k] ? "checked" : ""}></div>`).join("");
  const panels = PANEL_DEFS.map(d =>
    `<div class="row"><label for="shc-${d.key}">${d.label} panelini katla</label>
     <input type="checkbox" id="shc-${d.key}" ${S.settings[d.collapseKey] ? "checked" : ""}></div>`).join("");
  return `<h3>Ön ayar</h3><div class="segRow">${presets}</div>
          <h3>Katmanlar</h3>${rows}
          <h3>Paneller</h3>${panels}`;
}
function bindLayersSheet(body){
  body.querySelectorAll("button[data-preset]").forEach(b => {
    b.onclick = () => { applyViewPreset(b.dataset.preset); closeSheet(); };
  });
  body.querySelectorAll("input[type=checkbox]").forEach(inp => {
    inp.onchange = () => {
      const id = inp.id;
      let key = null;
      if (id.startsWith("shc-")){
        const def = PANEL_DEFS.find(d => d.key === id.slice(4));
        if (def){ key = def.collapseKey; S.settings[key] = inp.checked; }
      } else {
        key = id.slice(3);
        S.settings[key] = inp.checked;
      }
      markCustomPreset(key); save(); applyView(); syncViewControls();
    };
  });
}
/* ==================== STAGE 2: DECISION HUD ==================== */
/* read-only visualisation of engine state — nothing here changes engine logic */
const hud = { chip:"", reason:"", sym:"", price:"", chg:"", cd:"", comment:"",
              highlight:null, until:0, lastPool:null, poolKey:null };
const hud24h = { symbol:null, value:null, at:0, busy:false, source:"none" };

function staleLimit(){ return clamp(Math.round(+S.settings.signalStaleCandles || 3), 1, 30); }
function candlesAgo(ts){
  const i = S.candles.findIndex(c => c.time === ts);
  if (i < 0) return null;
  return (S.candles.length - 1) - i;
}
function pendingInfo(){
  const p = engine.pending; if (!p) return null;
  const i = S.candles.length - 1;
  const win = clamp(Math.round(+S.settings.nWindow || 3), 1, 10);
  const elapsed = Math.max(0, i - p.idx);
  return { dir:p.dir, flip:!!p.flip, idx:p.idx, elapsed, left: Math.max(0, win - elapsed), window:win };
}
/* same filter the engine applies, recomputed for display only */
function maFilterOk(dir, idx){
  try{
    const closes = S.candles.map(c => c.close);
    const ma2 = sma(closes, Math.max(3, Math.round(+S.settings.ma2 || 21)));
    const ma3 = sma(closes, Math.max(5, Math.round(+S.settings.ma3 || 50)));
    const i = (idx == null) ? S.candles.length - 1 : idx;
    if (ma2[i] == null || ma3[i] == null) return null;
    return dir === "AL" ? (ma2[i] > ma3[i] || closes[i] > ma3[i]) : (ma2[i] < ma3[i] || closes[i] < ma3[i]);
  } catch(e){ return null; }
}
/* deterministic: depends only on engine state + settings, never on Math.random */
function hudReasonText(){
  const info = pendingInfo();
  if (info){
    const parts = [`${info.dir === "AL" ? "Golden" : "Death"} cross ✓`];
    parts.push(info.flip ? "SAR flip ✓" : "SAR flip bekleniyor");
    parts.push(`pencere ${Math.min(info.elapsed, info.window)}/${info.window} · kalan ${info.left} mum`);
    const ok = maFilterOk(info.dir, info.idx);
    if (ok != null) parts.push(`MA${S.settings.ma3} ${ok ? "uyumlu ✓" : "uyumsuz"}`);
    return parts.join(" · ");
  }
  const last = engine.log[0];
  const ago = last ? candlesAgo(last.ts) : null;
  if ((engine.status === "AL" || engine.status === "SAT") && last){
    const n = staleLimit();
    const parts = [`${last.dir} sinyali ${ago == null ? "?" : ago} mum önce`];
    if (ago != null && ago > n) parts.push(`süresi doldu (eşik ${n})`);
    if (engine.statusText) parts.push(engine.statusText);
    return parts.join(" · ");
  }
  return engine.statusText || "Tetikleyici yok.";
}
function hudChipInfo(){
  const st = engine.status;
  const last = engine.log[0];
  const ago = last ? candlesAgo(last.ts) : null;
  if (st === "AL" || st === "SAT"){
    const n = staleLimit();
    const stale = ago != null && ago > n;
    const conf = confidenceInfo(last ? last.score : null, last && last.grade);
    const sc = conf.insufficient ? "Veri yetersiz" : conf.raw ? "HAM" : String(last.score);
    const agoTxt = ago == null ? "" : ` · ${ago} mum`;
    /* T2: çip kısa kalır ama aynı skoru taşır; tam format + gerekçe title'da */
    const title = `${st} · ${conf.text}${last && last.reasons && last.reasons[0] ? ` — ${oneLineReason(last.reasons, 120)}` : ""}`;
    return { text:`${st} ${sc}${agoTxt}${stale ? " · bayat" : ""}`, title, cls:"st-" + st, stale };
  }
  const info = pendingInfo();
  if (st === "IZLEMEDE"){
    /* no emoji here: emoji fonts are missing on some devices/webviews and the
       glyph then renders as a tofu box in the chip */
    if (info) return { text:`${info.dir} kurgusu · ${Math.min(info.elapsed, info.window)}/${info.window}`, cls:"st-IZLEMEDE", stale:false };
    return { text:"İZLEMEDE", cls:"st-IZLEMEDE", stale:false };
  }
  return { text:"NÖTR", cls:"st-NOTR", stale:false };
}
function candleCountdown(){
  const cs = S.candles; if (!cs.length) return "—";
  const step = intervalSec(S.interval);
  const remain = Math.max(0, (cs[cs.length - 1].time + step) - Math.floor(Date.now() / 1000));
  return `${Math.floor(remain / 60)}:${String(remain % 60).padStart(2, "0")}`;
}
/* 24h change is display-only data: one cached ticker request, kline fallback,
   "—" if neither is available. Never touches engine/WS state. */
function candleChange24h(){
  const cs = S.candles; if (cs.length < 3) return null;
  const step = intervalSec(S.interval);
  const target = cs[cs.length - 1].time - 86400;
  if (cs[0].time > target + step) return null;          // history too short
  let idx = 0;
  for (let i = cs.length - 1; i >= 0; i--){ if (cs[i].time <= target){ idx = i; break; } }
  const base = cs[idx].close;
  if (!base) return null;
  return ((cs[cs.length - 1].close - base) / base) * 100;
}
function refresh24h(force){
  const now = Date.now();
  const same = hud24h.symbol === S.symbol && hud24h.value != null;
  if (!force && same && now - hud24h.at < 5 * 60 * 1000) return;
  if (hud24h.busy) return;
  const sym = S.symbol;
  hud24h.busy = true;
  apiFetch(`/fapi/v1/ticker/24hr?symbol=${sym}`)
    .then(r => r.json())
    .then(j => {
      const v = +j.priceChangePercent;
      if (sym !== S.symbol) return;
      if (Number.isFinite(v)){ hud24h.value = v; hud24h.source = "ticker"; }
      else throw new Error("bad ticker");
    })
    .catch(() => {
      if (sym !== S.symbol) return;
      const v = candleChange24h();
      hud24h.value = v; hud24h.source = v == null ? "none" : "klines";
    })
    .finally(() => {
      if (sym === S.symbol){ hud24h.symbol = sym; hud24h.at = Date.now(); }
      hud24h.busy = false;
    });
}
function positionPendingBand(){
  const el = $("pendingBand"); if (!el) return;
  const info = pendingInfo();
  if (!S.settings.hudPendingBand || !info || !chart || !chart.timeScale){
    if (!el.hidden) el.hidden = true;
    return;
  }
  const cs = S.candles;
  const startC = cs[info.idx] || cs[cs.length - 1];
  const endC = cs[cs.length - 1];
  if (!startC || !endC) { el.hidden = true; return; }
  const ts = chart.timeScale();
  const w = $("chartWrap").clientWidth;
  const x1 = ts.timeToCoordinate(startC.time), x2 = ts.timeToCoordinate(endC.time);
  if (x1 == null || x2 == null){ el.hidden = true; return; }
  let left = Math.max(0, Math.min(x1, x2) - 3);
  let right = Math.min(w, Math.max(x1, x2) + 7);
  /* At the default "fit 600 candles" zoom one candle is ~0.5px wide, which makes
     the trigger window invisible. Keep a minimum visual width, anchored to the
     live candle, so the band stays legible (labelled → not pixel-exact at wide zoom). */
  const MIN_BAND_W = 34;
  if (right - left < MIN_BAND_W){
    right = Math.max(0, Math.min(w, Math.max(x1, x2) + 7));
    left = Math.max(0, right - MIN_BAND_W);
  }
  el.hidden = false;
  el.classList.toggle("up", info.dir === "AL");
  el.classList.toggle("dn", info.dir !== "AL");
  el.style.left = left + "px";
  el.style.width = Math.max(3, right - left) + "px";
  const lbl = el.querySelector("span");
  if (lbl) lbl.textContent = `${info.dir} kurgusu · ${Math.min(info.elapsed, info.window)}/${info.window} · kalan ${info.left}`;
}
function renderHud(force){
  const cs = S.candles;
  const last = cs.length ? cs[cs.length - 1] : null;
  const sym = S.symbol;
  const price = last ? fmt(last.close) : "—";
  const chg = Number.isFinite(hud24h.value) ? `${signed(hud24h.value, 2)}%` : "—";
  const chip = hudChipInfo();
  const cd = candleCountdown();
  const reason = hudReasonText();

  if (force || hud.sym !== sym){ hud.sym = sym; $("hudSym").textContent = sym; }
  if (force || hud.price !== price){ hud.price = price; $("hudPrice").textContent = price; }
  if (force || hud.chg !== chg){
    hud.chg = chg;
    const el = $("hudChg");
    el.textContent = Number.isFinite(hud24h.value) ? `${hud24h.value >= 0 ? "▲" : "▼"} ${chg}` : chg;
    el.className = Number.isFinite(hud24h.value) ? (hud24h.value >= 0 ? "pos" : "neg") : "";
    el.title = hud24h.source === "klines" ? "24s değişim (mum geçmişinden)" : (hud24h.source === "ticker" ? "24s değişim (ticker)" : "24s değişim verisi yok");
  }
  const chipKey = chip.cls + "|" + chip.text + "|" + chip.stale + "|" + (hud.dataStale ? "dead" : "");
  if (force || hud.chip !== chipKey){
    hud.chip = chipKey;
    const el = $("hudChip");
    /* 3.6: direction also carries a shape, not only a colour */
    const arrow = engine.status === "AL" ? "▲ " : engine.status === "SAT" ? "▼ " : "";
    el.className = chip.cls + (chip.stale ? " stale" : "") + (hud.dataStale ? " dead" : "");
    el.textContent = arrow + chip.text;
    el.title = chip.title || "";
  }
  renderHtfChip();
  updateIndBadge();
  if (force || hud.cd !== cd){ hud.cd = cd; $("hudCd").textContent = cd; }
  if (force || hud.reason !== reason){ hud.reason = reason; $("hudReason").textContent = reason; }
  const cEl = $("hudComment");
  const cTxt = S.settings.showComment ? (hud.comment || "") : "";
  if (cEl.textContent !== cTxt) cEl.textContent = cTxt;
  cEl.hidden = !S.settings.showComment;
  positionPendingBand();
}
function hudTick(){
  refresh24h();
  tickSignalLifecycles();
  refreshSignalDecision(Date.now());
  renderSignalHealth();
  if($("view-signal")?.classList.contains("active")) renderSignalTab();
  renderFlowLog();
  renderStaleStrip();
  renderHud();
  if (hud.highlight && Date.now() > hud.until){ hud.highlight = null; redrawMarkers(); }
}
/* ---- chip sheet: reasons + pool stats + jump to signal tab ---- */
/* T2 — Güven skoru tek kaynaktan: çip, karar detayı, sinyal geçmişi ve marker kartı
   aynı formatı gösterir ("71/100 · ORTA+"). HAM = raw flow kapalı, skor üretilmedi. */
function confidenceInfo(score, grade){
  if (score == null && grade === "VERİ YETERSİZ")
    return { text:"Veri yetersiz", short:"Veri yetersiz", raw:false, insufficient:true };
  if (score == null) return { text:"HAM (raw flow kapalı)", short:"HAM", raw:true, insufficient:false };
  const g = grade ? ` · ${grade}` : "";
  return { text:`${score}/100${g}`, short:`${score}${grade ? " " + grade : ""}`, raw:false };
}
/* Skorun yanında gösterilecek tek satır gerekçe (uzun sebep metinleri kırpılır). */
function oneLineReason(reasons, max){
  const r = (reasons && reasons.length) ? String(reasons[0]) : "";
  const lim = max || 90;
  return r.length > lim ? r.slice(0, lim - 1).trimEnd() + "…" : r;
}
function poolLineHtml(key){
  if (!key) return `<div class="row"><span>Havuz</span><b>Desen kimliği yok</b></div>`;
  return `<div class="row" id="hudPoolRow" data-key="${escapeHtml(key)}"><span>Havuz</span><b>yükleniyor…</b></div>`;
}
function fillPoolRow(){
  const row = $("hudPoolRow"); if (!row) return;
  const key = row.dataset.key;
  patternGetStats(`${S.interval}:${key}`).then(st => {
    const b = row.querySelector("b"); if (!b) return;
    /* T2: bu satır sinyalin güveni DEĞİL, aynı desenin geçmiş istatistiğidir → etiket açık yazılır */
    if (!st || !st.n){ b.textContent = "kayıt yok (ilk sinyallerden biri)"; return; }
    if (st.n < 15){ b.textContent = `veri az (N=${st.n}/15) — istatistik için 15 sinyal gerekir`; return; }
    b.textContent = `N=${st.n} · Wilson alt sınır %${st.wilsonLower.toFixed(1)} · ret10 ${signed(st.avgRet10, 2)}%`;
  }).catch(() => { const b = row.querySelector("b"); if (b) b.textContent = "okunamadı"; });
}
function openSignalSheet(){
  const last = engine.log[0];
  const raw = engine.lastRaw;
  const st = engine.status;
  const info = pendingInfo();
  const ago = last ? candlesAgo(last.ts) : null;
  const rows = [];
  rows.push(`<div class="row"><span>Durum</span><b class="${"st-" + st}">${st === "IZLEMEDE" ? "İZLEMEDE" : st}</b></div>`);
  if (last){
    const conf = confidenceInfo(last.score, last.grade);
    rows.push(`<div class="row"><span>Sinyal</span><b>${last.dir} @ ${fmt(last.price)}</b></div>`);
    rows.push(`<div class="row"><span>Zaman</span><b>${new Date(last.ts * 1000).toLocaleString("tr-TR",{hour:"2-digit",minute:"2-digit",day:"2-digit",month:"2-digit"})} · ${ago == null ? "?" : ago} mum önce</b></div>`);
    rows.push(`<div class="row"><span>Güven</span><b>${conf.text}</b></div>`);
    rows.push(poolLineHtml(last.patternId));
  }
  if (info){
    rows.push(`<div class="row"><span>Bekleyen kurgu</span><b>${info.dir} · pencere ${Math.min(info.elapsed, info.window)}/${info.window} · kalan ${info.left}</b></div>`);
  }
  const reasons = (raw && raw.reasons && raw.reasons.length) ? raw.reasons : (last && last.reasons) || [];
  const reasonHtml = reasons.length
    ? `<h3>Sebepler</h3>${reasons.map(r => `<div class="row"><span style="font-size:12.5px;color:var(--muted);line-height:1.35">${escapeHtml(r)}</span></div>`).join("")}`
    : `<h3>Sebepler</h3><div class="row"><span style="color:var(--muted)">Sinyal anına ait sebep kaydı yok.</span></div>`;
  const ruleHtml = last ? `<h3>Kural</h3><div class="row"><span style="font-size:12.5px;line-height:1.35">${escapeHtml(last.rule)}</span></div>` : "";
  const body = `${rows.join("")}${ruleHtml}${reasonHtml}
    <div class="segRow" style="padding:12px 14px">
      <button class="btn" id="hudGoSignal" style="width:100%">Sinyal sekmesine git</button>
    </div>`;
  openSheet("Karar Detayı", body, body2 => {
    fillPoolRow();
    const go = body2.querySelector("#hudGoSignal");
    if (go) go.onclick = () => { closeSheet(); showView("signal"); };
  });
}
/* ---- 2.6 jump from signal history to the chart ---- */
function jumpToSignal(ts, dir){
  hud.highlight = { time: ts, dir: dir || null };
  hud.until = Date.now() + 6000;
  const i = S.candles.findIndex(c => c.time === ts);
  showView("chart");
  if (i >= 0 && chart && chart.timeScale){
    try { chart.timeScale().setVisibleLogicalRange({ from: Math.max(0, i - 45), to: Math.min(S.candles.length + 5, i + 45) }); } catch(e){}
  }
  redrawMarkers(); renderHud(true); markOverlayDirty();
}
/* ==================== STAGE 3: READABILITY & TRUST ==================== */
/* ---- 3.1 marker hit-testing + detail card ---- */
function markerAnchorY(i, position){
  const c = S.candles[i];
  if (!c || !candleSeries) return null;
  const y = candleSeries.priceToCoordinate(position === "aboveBar" ? c.high : c.low);
  if (y == null) return null;
  return y + (position === "aboveBar" ? -13 : 13);
}
function findMarkerAt(x, y){
  if (!chart || !chart.timeScale) return null;
  const ts = chart.timeScale();
  let best = null;
  for (const m of allMarkers()){
    if (m.kind === "highlight") continue;
    const i = S.candles.findIndex(c => c.time === m.time);
    if (i < 0) continue;
    const mx = ts.timeToCoordinate(m.time);
    if (mx == null) continue;
    const my = markerAnchorY(i, m.position);
    if (my == null) continue;
    const d = Math.hypot(mx - x, my - y);
    if (d < 26 && (!best || d < best.d)) best = { m, d, x: mx, y: my, i };
  }
  return best;
}
const MARKER_KIND_LABEL = { signal:"Sinyal", liq:"Likidasyon", whale:"Whale", pattern:"Desen", cluster:"Küme", highlight:"Seçili" };
function showMarkerCard(hit){
  const el = $("markerCard"), wrap = $("chartWrap");
  if (!el || !wrap) return;
  const m = hit.m, c = S.candles[hit.i];
  const rows = [];
  rows.push(`<div class="r"><span>Zaman</span><b>${new Date(m.time * 1000).toLocaleString("tr-TR",{hour:"2-digit",minute:"2-digit",day:"2-digit",month:"2-digit"})}</b></div>`);
  if (Number.isFinite(m.price)) rows.push(`<div class="r"><span>Fiyat</span><b>${fmt(m.price)}</b></div>`);
  else if (c) rows.push(`<div class="r"><span>${m.position === "aboveBar" ? "Yüksek" : "Düşük"}</span><b>${fmt(m.position === "aboveBar" ? c.high : c.low)}</b></div>`);
  if (Number.isFinite(m.notional)) rows.push(`<div class="r"><span>Notional</span><b>${compact(m.notional)}</b></div>`);
  if (m.kind === "signal"){
    if (m.dir) rows.push(`<div class="r"><span>Yön</span><b>${m.dir === "AL" ? "AL (long)" : "SAT (short)"}</b></div>`);
    rows.push(`<div class="r"><span>Güven</span><b>${confidenceInfo(m.score, m.grade).text}</b></div>`);
    if (m.reason) rows.push(`<div class="r" style="display:block"><span style="color:var(--muted);font-size:12px;line-height:1.35">${escapeHtml(oneLineReason([m.reason], 110))}</span></div>`);
  }
  if (m.side) rows.push(`<div class="r"><span>Taraf</span><b>${m.side === "SELL" ? "Long likidasyon" : "Short likidasyon"}</b></div>`);
  if (m.kind === "cluster" && m.members && m.members.length){
    rows.push(`<div class="r"><span>Kümede</span><b>${m.members.length + 1} marker</b></div>`);
    rows.push(`<div class="r" style="display:block"><b style="font-weight:500">${m.members.map(x => escapeHtml(x.text || "?")).join(" · ")}</b></div>`);
  }
  /* "Etiket" satırı yalnızca YENİ bilgi taşıyorsa gösterilir: likidasyon marker'ının
     ham metni ("Long liq 245.0K") yukarıdaki Taraf + Notional satırlarıyla aynı şeyi
     söylüyor — tekrar etmesin, okunabilirlik düşmesin. */
  // sinyalde "AL 70" = Yön + Güven: ikisi de yukarıda yazıyor, tekrarlamaya gerek yok
  const textCovered = (m.kind === "signal" && !!m.dir);
  if (m.text && !textCovered && !textAlreadyShown(m.text, rows.join(" ")))
    rows.push(`<div class="r"><span>Etiket</span><b style="font-weight:500">${escapeHtml(m.text)}</b></div>`);
  el.innerHTML = `<h4>${MARKER_KIND_LABEL[m.kind] || "Marker"}</h4>${rows.join("")}
    <button class="x" id="markerCardClose">Kapat</button>`;
  /* measure only after the card is visible: a hidden element reports 0 width
     and the clamp would then be computed against the wrong size (overflow). */
  el.hidden = false;
  const w = wrap.clientWidth, h = wrap.clientHeight;
  const cw = el.offsetWidth, chh = el.offsetHeight;
  el.style.left = Math.max(4, Math.min(Math.max(4, w - cw - 4), hit.x + 12)) + "px";
  el.style.top = Math.max(4, Math.min(Math.max(4, h - chh - 4), hit.y - 20)) + "px";
  const btn = $("markerCardClose");
  if (btn) btn.onclick = hideMarkerCard;
}
/* every meaningful word of `text` already appears in `shownHtml`? (short words and
   pure numbers are ignored so "70" in "Güven 70/100" does not count as a match) */
function textAlreadyShown(text, shownHtml){
  const norm = s => s.toLowerCase().replace(/[^a-z0-9.,çğıöşü]+/g, " ").trim();
  // kısaltma eşlemesi: "liq" Türkçe yazımda "likidasyon" içinde geçmez
  const ALIAS = { liq: "likidasyon", likit: "likidasyon", liqler: "likidasyon", konf: "güven" };
  const words = norm(text).split(" ").filter(w => w.length >= 3 && !/^\d+([.,]\d+)?$/.test(w));
  const hay = norm(shownHtml.replace(/<[^>]*>/g, " "));
  return words.length > 0 && words.every(w => hay.includes(ALIAS[w] || w));
}
function hideMarkerCard(){ const el = $("markerCard"); if (el) el.hidden = true; }
/* long press → crosshair (3.2), short tap → marker card (3.1) */
function crosshairAt(x, y){
  if (!chart || !candleSeries) return false;
  const price = candleSeries.coordinateToPrice(y);
  const time = chart.timeScale().coordinateToTime(x);
  if (price == null || time == null) return false;
  try { chart.setCrosshairPosition(price, time, candleSeries); return true; } catch(e){ return false; }
}
function bindChartTaps(){
  const wrap = $("chartWrap");
  if (!wrap) return;
  let startX = 0, startY = 0, startT = 0, lp = null;
  const local = e => {
    const r = wrap.getBoundingClientRect();
    /* touchend carries an EMPTY touches list — the lifted point lives in
       changedTouches, so read that first or the coordinates become NaN. */
    const p = (e.changedTouches && e.changedTouches[0]) || (e.touches && e.touches[0]) || e;
    return { x: p.clientX - r.left, y: p.clientY - r.top };
  };
  const onDown = e => {
    const { x, y } = local(e);
    startX = x; startY = y; startT = Date.now();
    clearTimeout(lp);
    lp = setTimeout(() => { crosshairAt(x, y); lp = null; }, 450);   // 3.2 long press
  };
  const onUp = e => {
    if (lp) { clearTimeout(lp); lp = null; }
    const { x, y } = local(e);
    const moved = Math.hypot(x - startX, y - startY) > 12;
    const quick = Date.now() - startT < 450;
    if (!quick || moved) return;
    const hit = findMarkerAt(x, y);
    if (hit) showMarkerCard(hit);
    else {
      hideMarkerCard();
      /* clearCrosshairPosition() does not always emit a crosshair event, so the
         legend would stay stale on screen — hide it explicitly. */
      const lg = $("hoverLegend");
      if (lg) lg.hidden = true;
      if (chart && chart.clearCrosshairPosition) { try { chart.clearCrosshairPosition(); } catch(err){} }
    }
  };
  wrap.addEventListener("touchstart", onDown, { passive: true });
  wrap.addEventListener("touchend", onUp, { passive: true });
  wrap.addEventListener("touchmove", () => { if (lp) { clearTimeout(lp); lp = null; } }, { passive: true });
  wrap.addEventListener("mousedown", onDown);
  wrap.addEventListener("mouseup", onUp);
  wrap.addEventListener("mouseleave", () => { const lg = $("hoverLegend"); if (lg) lg.hidden = true; });
}
/* ---- 3.2 crosshair OHLC + indicator legend ---- */
function bindCrosshairLegend(){
  if (!chart || !chart.subscribeCrosshairMove) return;
  chart.subscribeCrosshairMove(param => {
    const el = $("hoverLegend");
    if (!el) return;
    if (!param || !param.time || !param.point || !candleSeries){ el.hidden = true; return; }
    const c = param.seriesData ? param.seriesData.get(candleSeries) : null;
    if (!c || c.open == null){ el.hidden = true; return; }
    const parts = [`O <b>${fmt(c.open)}</b>`, `H <b>${fmt(c.high)}</b>`,
                   `L <b>${fmt(c.low)}</b>`, `C <b>${fmt(c.close)}</b>`];
    const v = param.seriesData.get(volSeries);
    if (v && v.value != null) parts.push(`V <b>${compact(v.value)}</b>`);
    if (S.settings.showRsi){
      const r = param.seriesData.get(rsiSeries);
      if (r && r.value != null) parts.push(`RSI <b>${r.value.toFixed(1)}</b>`);
    }
    if (S.settings.showMacd){
      const m = param.seriesData.get(macdLineSeries);
      if (m && m.value != null) parts.push(`MACD <b>${signed(m.value, 2)}</b>`);
    }
    el.innerHTML = parts.join(" ");
    el.hidden = false;
  });
}
/* ---- 3.4 HTF context chip (read-only, 2 requests per symbol) ---- */
const htf = { sym:null, data:{ "15m":null, "1h":null }, fetches:0 };
function loadHtf(force){
  const el = $("hudHtf");
  if (!S.settings.htfChip){ if (el) el.hidden = true; return; }
  if (!force && htf.sym === S.symbol && htf.data["1h"] != null) return;
  const sym = S.symbol;
  htf.sym = sym; htf.data = { "15m":null, "1h":null };
  ["15m","1h"].forEach(tf => {
    htf.fetches++;
    fetchKlines(sym, tf, 200).then(cs => {
      if (sym !== S.symbol || !cs || cs.length < 55) return;
      const closes = cs.map(c => c.close);
      const m = sma(closes, 50);
      const i = cs.length >= 2 ? cs.length - 2 : cs.length - 1;     // last CLOSED candle
      const last = closes[i], mv = m[i];
      htf.data[tf] = (last != null && mv != null) ? (last >= mv ? 1 : -1) : null;
      renderHtfChip();
    }).catch(() => { htf.data[tf] = null; });
  });
}
function htfConflict(){
  const d = htf.data;
  if (engine.status === "AL") return d["1h"] === -1 || d["15m"] === -1;
  if (engine.status === "SAT") return d["1h"] === 1 || d["15m"] === 1;
  return false;
}
function renderHtfChip(){
  const el = $("hudHtf");
  if (!el) return;
  if (!S.settings.htfChip){ el.hidden = true; return; }
  const d = htf.data;
  if (d["15m"] == null && d["1h"] == null){ el.hidden = true; return; }
  const part = tf => {
    const v = d[tf];
    if (v == null) return `${tf} —`;
    return `${tf} <span class="${v > 0 ? "u" : "d"}">${v > 0 ? "▲" : "▼"}</span>`;
  };
  const conflict = htfConflict();
  el.hidden = false;
  el.innerHTML = part("1h") + " · " + part("15m") + (conflict ? ' <span class="w">!</span>' : "");
  el.title = conflict
    ? "Uyarı: sinyal yönü üst zaman dilimi trendinin tersine"
    : "Üst zaman dilimi trend bağlamı (salt okunur, havuza karışmaz)";
}
/* ---- 3.5 legend / help + first-run tour ---- */
const HELP_TERMS = [
  ["MID", "Order book'un en iyi alış/satış ortası. Grafikte kesikli yatay çizgi."],
  ["Duvar + ⏱", "Order book'ta eşiği aşan yoğun fiyat seviyesi. ⏱ işareti duvarın 25 sn'den uzun süredir durduğunu (olgunlaştığını) gösterir."],
  ["Ladder (sağ şerit)", "Fiyat başına bekleyen emir notional'ı. Yeşil = bid, kırmızı = ask."],
  ["SENK", "Depth akışı REST snapshot'ı ile senkronlanıyor; birkaç saniye sürer."],
  ["SEÇİLİ", "Sinyal Geçmişi'nden dokunduğun kaydın vurgu marker'ı; 6 saniye yanar."],
  ["Bayat", "Sinyal yaşlandı (eşikten fazla mum geçti). Motorun durumu değişmez; yalnızca çip soluklaşır."],
  ["Canlı / Senkron / Kopuk", "Bağlantı sağlığı çipi: kline + market + depth akışlarının durumu."],
  ["+N", "Aynı mumda üst üste binen marker'lar tek çipte toplandı. Dokununca küme listesi açılır."],
  ["▲ / ▼", "Yön bilgisi renkle birlikte şekille de gösterilir (renk körü erişilebilirliği)."],
  ["Flow şeridi", "Grafik altı: CVD sparkline, OBI barı, OI %, funding ve fonlama geri sayımı. Katlanabilir."],
  ["Isı haritası", "Son 15 dakikanın order book yoğunluğu; renk yön (yeşil bid / kırmızı ask), parlaklık notional."],
  ["RSI / MACD paneli", "Panelin adına dokunarak katla; yükseklikleri Ayarlar → Paneller'den değiştir."]
];
function helpSheetHtml(){
  return `<h3>Kısaltmalar ve işaretler</h3>` +
    HELP_TERMS.map(([t, d]) => `<div class="row"><div><b>${t}</b><div style="font-size:11.5px;color:var(--muted);line-height:1.4;margin-top:2px">${d}</div></div></div>`).join("") +
    `<div style="height:10px"></div>`;
}
const TOUR_STEPS = [
  { sel:"#commentBar", title:"1/3 · Karar HUD'u",
    text:"Sembol, fiyat, 24s değişim, sinyal çipi ve mum kapanış geri sayımı. Çipe dokun → tüm sebepler, havuz istatistiği ve Sinyal sekmesi." },
  { sel:"#layersBtn", title:"2/3 · Katmanlar ve yardım",
    text:"Tek dokunuşla Sade/Flow/Tam ön ayarı ve katman anahtarları. Yanındaki ? lejant ve kısaltmaları açar." },
  { sel:"#flowStrip", title:"3/3 · Flow şeridi",
    text:"CVD, OBI, OI, funding ve likidasyon. Ok ile katlanır; katlanınca mum alanı büyür." }
];
let tourStep = 0;
function tourDone(){ try { localStorage.setItem("fs_tour_done", "1"); } catch(e){} }
function startTour(){ tourStep = 0; renderTour(); }
function endTour(){
  ["tourBack","tourSpot","tourCard"].forEach(id => { const el = $(id); if (el) el.hidden = true; });
}
function maybeStartTour(){
  try { if (!localStorage.getItem("fs_tour_done")) setTimeout(startTour, 1200); } catch(e){}
}
function renderTour(){
  const step = TOUR_STEPS[tourStep];
  if (!step){ endTour(); return; }
  const back = $("tourBack"), spot = $("tourSpot"), card = $("tourCard");
  if (!back || !spot || !card) return;
  const target = document.querySelector(step.sel);
  const r = target ? target.getBoundingClientRect() : { left:20, top:120, width:200, height:44, bottom:164 };
  back.hidden = false; spot.hidden = false; card.hidden = false;
  spot.style.left = Math.max(0, r.left - 4) + "px";
  spot.style.top = Math.max(0, r.top - 4) + "px";
  spot.style.width = Math.min(window.innerWidth, r.width + 8) + "px";
  spot.style.height = (r.height + 8) + "px";
  card.innerHTML = `<h4>${step.title}</h4><p>${step.text}</p>
    <div class="tourBtns"><button id="tourSkip">Atla</button>
      <button class="pri" id="tourNext">${tourStep === TOUR_STEPS.length - 1 ? "Bitir" : "İleri"}</button></div>
    <div id="tourDots">${TOUR_STEPS.map((_, i) => i === tourStep ? "●" : "○").join(" ")}</div>`;
  const below = r.top < window.innerHeight * 0.5;
  card.style.bottom = "auto";
  card.style.top = below
    ? Math.min(window.innerHeight - 170, (r.bottom || r.top + r.height) + 12) + "px"
    : Math.max(12, r.top - 160) + "px";
  $("tourSkip").onclick = () => { tourDone(); endTour(); };
  $("tourNext").onclick = () => {
    tourStep++;
    if (tourStep >= TOUR_STEPS.length){ tourDone(); endTour(); } else renderTour();
  };
}
function settingsRelationError(candidate){
  if (!(candidate.ma1 < candidate.ma2 && candidate.ma2 < candidate.ma3))
    return "MA periyotları artan sırada olmalı: hızlı < orta < yavaş.";
  if (!(candidate.macdFast < candidate.macdSlow))
    return "MACD hızlı periyodu yavaş periyottan küçük olmalı.";
  if (!(candidate.sarStep <= candidate.sarMax))
    return "SAR step, SAR max değerinden büyük olamaz.";
  return "";
}
function settingFeedback(input, text, kind="error"){
  if (!input) return;
  const row = input.closest(".setRow") || input.closest(".matrixCell") || input.parentElement;
  if (!row) return;
  let note = document.getElementById(input.id + "Feedback");
  if (!note){
    note = document.createElement("small");
    note.id = input.id + "Feedback";
    note.className = "settingFeedback";
    note.setAttribute("role", "status");
    note.setAttribute("aria-live", "polite");
    row.appendChild(note);
  }
  note.textContent = text || "";
  note.hidden = !text;
  note.classList.toggle("warning", kind === "warning");
  input.setAttribute("aria-invalid", text && kind === "error" ? "true" : "false");
  const described = (input.getAttribute("aria-describedby") || "").split(/\s+/).filter(Boolean);
  if (text && !described.includes(note.id)) described.push(note.id);
  if (!text){ const i = described.indexOf(note.id); if (i >= 0) described.splice(i,1); }
  if (described.length) input.setAttribute("aria-describedby", described.join(" "));
  else input.removeAttribute("aria-describedby");
}
function settingNumberOptions(key, extra={}){
  const base = SETTINGS_NUMERIC_RULES[key] || {};
  return { ...base, ...extra };
}
function readValidatedSettingNumber(input, key, opts={}){
  const state = opts.state || S.settings;
  const raw = String(input.value ?? "").trim();
  const previous = Number(state[key]);
  const toDisplay = opts.toDisplay || (v => v);
  const restore = () => { input.value = String(toDisplay(previous)); };
  if (!raw){
    settingFeedback(input, "Boş değer kaydedilmedi; önceki değer korundu."); restore(); return null;
  }
  let value = Number(raw);
  if (!Number.isFinite(value)){
    settingFeedback(input, "Geçerli bir sayı gir; önceki değer korundu."); restore(); return null;
  }
  const min = Number(opts.min), max = Number(opts.max);
  const beforeClamp = value;
  if (Number.isFinite(min) || Number.isFinite(max)) value = clamp(value,
    Number.isFinite(min) ? min : -Number.MAX_VALUE,
    Number.isFinite(max) ? max : Number.MAX_VALUE);
  if (opts.step > 0){
    const base = Number.isFinite(min) ? min : 0;
    value = base + Math.round((value - base) / opts.step) * opts.step;
  }
  if (opts.integer) value = Math.round(value);
  if (opts.decimals != null) value = Number(value.toFixed(opts.decimals));
  if (Number.isFinite(min) || Number.isFinite(max)) value = clamp(value,
    Number.isFinite(min) ? min : -Number.MAX_VALUE,
    Number.isFinite(max) ? max : Number.MAX_VALUE);
  const stored = opts.toStored ? opts.toStored(value) : value;
  const relation = settingsRelationError({ ...state, [key]:stored });
  if (relation){ settingFeedback(input, relation); restore(); return null; }
  input.value = String(toDisplay(stored));
  if (value !== beforeClamp){
    const boundText = `Aralık dışındaki değer ${Number(value.toFixed(opts.decimals ?? (opts.integer ? 0 : 3)))} olarak sınırlandı.`;
    settingFeedback(input, boundText, "warning");
  } else settingFeedback(input, "");
  return stored;
}
const SIGNAL_DRAFT_KEYS = ["ma1","ma2","ma3","sarStep","sarMax","nWindow"];
let signalSettingsDraft = null;
let pendingPatternWinValue = null;
let pendingSettingsImport = null;
let pendingSettingsReset = null;
function getSignalSettingsDraft(){
  if (!signalSettingsDraft) signalSettingsDraft = { ...S.settings };
  return signalSettingsDraft;
}
function signalDraftChangedKeys(){
  const draft = getSignalSettingsDraft();
  return SIGNAL_DRAFT_KEYS.filter(key => Number(draft[key]) !== Number(S.settings[key]));
}
function updateSignalDraftStatus(message=""){
  const draft = getSignalSettingsDraft();
  const dirty = signalDraftChangedKeys();
  const relation = settingsRelationError(draft);
  const status = $("signalDraftState");
  if (status) status.textContent = message || relation || (dirty.length
    ? "Taslak var; henüz fs_settings'e yazılmadı. Uygula ile etkinleşir."
    : "Kaydedilmiş motor ayarlarıyla eşleşiyor.");
  const apply = $("applySignalSettingsBtn"), undo = $("revertSignalSettingsBtn");
  if (apply) apply.disabled = !dirty.length || !!relation;
  if (undo) undo.disabled = !dirty.length;
}
function bindSignalDraftInput(input,key){
  if (!input) return;
  const draft = getSignalSettingsDraft(), rule = settingNumberOptions(key);
  if (rule.min != null) input.min = String(rule.min);
  if (rule.max != null) input.max = String(rule.max);
  if (rule.step != null) input.step = String(rule.step);
  else if (rule.integer) input.step = "1";
  else if (rule.decimals != null) input.step = String(10 ** -rule.decimals);
  input.value = String(draft[key]);
  input.onchange = () => {
    const state = getSignalSettingsDraft();
    const next = readValidatedSettingNumber(input,key,{...rule,state});
    if (next == null) return updateSignalDraftStatus();
    state[key] = next;
    updateSignalDraftStatus();
  };
}
function revertSignalSettings(){
  signalSettingsDraft = { ...S.settings };
  SIGNAL_DRAFT_KEYS.forEach(key => { const input = document.getElementById({ma1:"setMa1",ma2:"setMa2",ma3:"setMa3",sarStep:"setSarStep",sarMax:"setSarMax",nWindow:"setN"}[key]); if(input){input.value=String(signalSettingsDraft[key]);settingFeedback(input,"");} });
  updateSignalDraftStatus("Taslak geri alındı; kayıtlı motor değerleri korundu.");
}
function applySignalSettings(){
  const draft = getSignalSettingsDraft(), relation = settingsRelationError(draft);
  if (relation){ updateSignalDraftStatus(relation); return false; }
  const changed = signalDraftChangedKeys();
  if (!changed.length) return false;
  changed.forEach(key => { S.settings[key] = draft[key]; });
  save();
  engine.pending = null;
  runEngineAndRedraw();
  signalSettingsDraft = { ...S.settings };
  SIGNAL_DRAFT_KEYS.forEach(key => { const input = document.getElementById({ma1:"setMa1",ma2:"setMa2",ma3:"setMa3",sarStep:"setSarStep",sarMax:"setSarMax",nWindow:"setN"}[key]); if(input) input.value=String(S.settings[key]); });
  updateSignalDraftStatus("Uygulandı. Bekleyen engine.pending temizlendi; kayıtlı geçmiş ve Pattern Pool istatistikleri değişmedi.");
  return true;
}
let pendingPatternAction = null;
function showPatternConfirmation(message, commit, cancel){
  pendingPatternAction = {commit,cancel};
  const panel = $("patternWinConfirm"), note = $("patternWinConfirmText");
  if (note) note.textContent = message;
  if (panel) panel.hidden = false;
}
function closePatternConfirmation(runCancel=false){
  const action = pendingPatternAction;
  pendingPatternAction = null;
  if ($("patternWinConfirm")) $("patternWinConfirm").hidden = true;
  if (runCancel && action?.cancel) action.cancel();
}
function runPatternRecomputeStatus(){
  const status = $("patternWinStatus");
  if (status) status.textContent = "Pattern Pool istatistikleri yeniden hesaplanıyor…";
  return patternRecomputeAllStats().then(() => {
    if (status) status.textContent = "Pattern Pool istatistikleri güncellendi.";
  }).catch(() => {
    if (status) status.textContent = "İstatistikler yeniden hesaplanamadı; var olan kayıtlar korundu.";
  });
}
function bindPatternWinInput(input){
  if (!input) return;
  const key="patternWinPct", rule=settingNumberOptions(key);
  input.min=String(rule.min);input.max=String(rule.max);input.step=String(10 ** -rule.decimals);
  input.value=String(S.settings[key]);
  input.onchange=()=>{
    const next=readValidatedSettingNumber(input,key,rule);
    if(next==null)return;
    if(next===Number(S.settings[key])){closePatternConfirmation();return;}
    showPatternConfirmation(`Ret10 eşiği ${S.settings[key]}% → ${next}% olacak. Onaylayınca Pattern Pool istatistikleri yeniden hesaplanır; iptalde eşik ve istatistikler değişmez.`,()=>{
      S.settings.patternWinPct=next;save();input.value=String(next);settingFeedback(input,"");
      pendingPatternWinValue=null;runPatternRecomputeStatus();
    },()=>{input.value=String(S.settings.patternWinPct);settingFeedback(input,"");pendingPatternWinValue=null;});
    pendingPatternWinValue=next;
  };
}
const SETTINGS_NUMERIC_INPUTS = {
  setMa1:"ma1",setMa2:"ma2",setMa3:"ma3",setSarStep:"sarStep",setSarMax:"sarMax",setN:"nWindow",
  setLiqMin:"liqMin",setOiPoll:"oiPollSec",setCascadePct:"cascadePct",setPatternWin:"patternWinPct",
  setWhaleMin:"whaleMin",setWallPct:"wallPct",setStaleSec:"staleSec",setBBPeriod:"bbPeriod",setBBStd:"bbStd",
  setRsiPeriod:"rsiPeriod",setMacdFast:"macdFast",setMacdSlow:"macdSlow",setMacdSignal:"macdSignal",
  setHudStale:"signalStaleCandles",setLiveInd:"liveIndMs"
};
const SETTINGS_TOGGLE_INPUTS = {
  setDark:"dark",setShowMa:"showMa",setShowSar:"showSar",setShowVol:"showVol",setRawConfirm:"rawConfirm",setHardVeto:"hardVeto",
  setShowFlow:"showFlow",setShowLiq:"showLiq",setShowLadder:"showLadder",setShowHeatmap:"showHeatmap",setWhaleAlerts:"whaleAlerts",
  setShowBB:"showBB",setShowRsi:"showRsi",setShowMacd:"showMacd",setShowVwap:"showVwap",
  setPanelHeads:"panelHeads",setRefLines:"refLines",setRsiCollapsed:"rsiCollapsed",setMacdCollapsed:"macdCollapsed",setVolCollapsed:"volCollapsed",
  setFlowStrip:"flowStrip",setFlowStripCollapsed:"flowStripCollapsed",setFsCvd:"fsCvd",setHudBand:"hudPendingBand",
  setShowComment:"showComment",setHtfChip:"htfChip"
};
const SETTINGS_LINE_CONTROLS = [
  ["colMa1","ma1Color","widMa1","ma1Width"],["colMa2","ma2Color","widMa2","ma2Width"],["colMa3","ma3Color","widMa3","ma3Width"],
  ["colSar","sarColor","widSar","sarWidth"],["colBB","bbColor","widBB","bbWidth"],["colVwap","vwapColor","widVwap","vwapWidth"],
  ["colRsi","rsiColor","widRsi","rsiWidth"],["colMacd","macdColor","widMacd","macdWidth"],["colMacdSig","macdSignalColor","widMacdSig","macdSignalWidth"]
];
const SETTINGS_RESET_KEYS = {
  view:["dark","layerPreset","showMa","showSar","showVol","showBB","showRsi","showMacd","showVwap","showFlow","showLiq","showLadder","showHeatmap","whaleAlerts",
    "panelHeads","refLines","panelRsiH","panelMacdH","panelVolH","rsiCollapsed","macdCollapsed","volCollapsed","flowStrip","flowStripCollapsed","fsCvd","liveIndMs",
    "bbPeriod","bbStd","rsiPeriod","macdFast","macdSlow","macdSignal",
    "ma1Color","ma2Color","ma3Color","ma1Width","ma2Width","ma3Width","sarColor","sarWidth","bbColor","bbWidth","vwapColor","vwapWidth","rsiColor","rsiWidth","macdColor","macdWidth","macdSignalColor","macdSignalWidth"],
  signal:[...SIGNAL_DRAFT_KEYS,"rawConfirm","hardVeto","liqMin","oiPollSec","cascadePct","signalStaleCandles","hudPendingBand","showComment"],
  data:["dataMode","apiBase","wsBase","apiBaseShape","staleSec"],
  pool:["patternWinPct"],
  advanced:["whaleMin","wallPct","htfChip"]
};
function syncSettingsInputValues(){
  const draft=getSignalSettingsDraft();
  for (const [id,key] of Object.entries(SETTINGS_NUMERIC_INPUTS)){
    const input=$(id);if(!input)continue;
    input.value=String(SIGNAL_DRAFT_KEYS.includes(key)?draft[key]:S.settings[key]);
  }
  for (const [id,key] of Object.entries(SETTINGS_TOGGLE_INPUTS)){
    const input=$(id);if(input)input.checked=!!S.settings[key];
  }
  for (const [id,key] of Object.entries({setPanelRsiH:"panelRsiH",setPanelMacdH:"panelMacdH",setPanelVolH:"panelVolH"})){
    const input=$(id);if(input)input.value=String(Math.round(Number(S.settings[key])*100));
  }
  for (const [colorId,colorKey,widthId,widthKey] of SETTINGS_LINE_CONTROLS){
    if($(colorId))$(colorId).value=S.settings[colorKey];
    if($(widthId))$(widthId).value=String(S.settings[widthKey]);
  }
  if($("setDataMode"))$("setDataMode").value=S.settings.dataMode;
  if($("setApiBase"))$("setApiBase").value=S.settings.apiBase||"";
  if($("setWsBase"))$("setWsBase").value=S.settings.wsBase||"";
  if($("setApiShape"))$("setApiShape").value=S.settings.apiBaseShape;
  if($("patternWinConfirm"))$("patternWinConfirm").hidden=true;
  pendingPatternWinValue=null;
  document.querySelectorAll("#view-settings .settingFeedback").forEach(note=>{note.textContent="";note.hidden=true;});
  Object.values(SETTINGS_NUMERIC_INPUTS).forEach(key=>{const input=Object.entries(SETTINGS_NUMERIC_INPUTS).find(([,v])=>v===key)?.[0];if(input&&$(input))$(input).setAttribute("aria-invalid","false");});
  setSettingsMode(S.settings.settingsMode,false);
  syncViewControls();
  updateSignalDraftStatus();
}
function applySettingsCandidate(candidate,options={}){
  const old={...S.settings}, keys=new Set([...Object.keys(old),...Object.keys(candidate)]);
  const changed=[...keys].filter(key=>!Object.is(old[key],candidate[key]));
  if(!changed.length)return [];
  Object.assign(S.settings,candidate);
  save();
  const coreChanged=changed.some(key=>SIGNAL_DRAFT_KEYS.includes(key));
  if(coreChanged){signalSettingsDraft={...S.settings};engine.pending=null;}
  syncSettingsInputValues();
  const viewChanged=changed.some(key=>SETTINGS_RESET_KEYS.view.includes(key));
  const lineChanged=changed.some(key=>SETTINGS_LINE_CONTROLS.some(([,colorKey,,widthKey])=>key===colorKey||key===widthKey));
  if(changed.includes("dark"))applyTheme();
  if(lineChanged)applyLineStyles();
  if(viewChanged)applyView();
  if(coreChanged)runEngineAndRedraw();
  if(changed.includes("oiPollSec"))startOiPolling();
  if(changed.includes("rawConfirm")){renderDecisionRaw(null);restartRaw(false);}
  else if(changed.includes("hardVeto"))renderDecisionRaw(engine.lastRaw||null);
  if(changed.some(key=>["dataMode","apiBase","wsBase","apiBaseShape"].includes(key))){srcState.preferred=null;renderSrcStatus();applySourceSwitch(activeSrc());}
  if(changed.includes("htfChip")){if(S.settings.htfChip)loadHtf(true);renderHtfChip();}
  if(changed.includes("patternWinPct")&&options.recomputePool)runPatternRecomputeStatus();
  updateSignalDraftStatus();
  return changed;
}
const SETTINGS_SECTION_LABELS={view:"Görünüm",signal:"Sinyal",data:"Veri ve bağlantı",pool:"Havuz",advanced:"Gelişmiş"};
function settingsDefaultsForSection(section){
  const candidate={...S.settings};
  for(const key of SETTINGS_RESET_KEYS[section]||[])candidate[key]=SETTINGS_DEFAULTS[key];
  if(section==="view"){Object.assign(candidate,VIEW_PRESETS.sade.values);candidate.layerPreset="sade";}
  return candidate;
}
function requestPatternSettingsCandidate(candidate,message,onCancel,onCommit){
  const commit=()=>{applySettingsCandidate(candidate,{recomputePool:true});if(onCommit)onCommit();};
  if(Number(candidate.patternWinPct)!==Number(S.settings.patternWinPct)){
    const poolCard=$("settingsCardPool");if(poolCard)poolCard.open=true;
    showPatternConfirmation(message,commit,onCancel);
  }else{applySettingsCandidate(candidate);if(onCommit)onCommit();}
}
function resetSettingsSection(section){
  const keys=SETTINGS_RESET_KEYS[section];if(!keys)return;
  const label=SETTINGS_SECTION_LABELS[section]||"bu bölüm";
  if(!window.confirm(`${label} ayarları varsayılanlara döndürülsün mü?`))return;
  const candidate=settingsDefaultsForSection(section);
  if(section==="signal"){
    const immediate={...candidate};
    SIGNAL_DRAFT_KEYS.forEach(key=>{immediate[key]=S.settings[key];});
    applySettingsCandidate(immediate);
    signalSettingsDraft={...S.settings};
    SIGNAL_DRAFT_KEYS.forEach(key=>{signalSettingsDraft[key]=SETTINGS_DEFAULTS[key];});
    syncSettingsInputValues();
    updateSignalDraftStatus("Sinyal varsayılanları taslağa alındı. Motor değerleri Uygula ile etkinleşir.");
    if($("settingsResetStatus"))$("settingsResetStatus").textContent="Diğer sinyal ayarları varsayılanlara döndürüldü; motor taslağı henüz uygulanmadı.";
    return;
  }
  if(section==="pool"){
    if($("settingsResetStatus"))$("settingsResetStatus").textContent="Havuz eşiği onay bekliyor; henüz değişiklik yapılmadı.";
    requestPatternSettingsCandidate(candidate,`Havuz win eşiği ${S.settings.patternWinPct}% → ${candidate.patternWinPct}% sıfırlanacak. Onaylayınca Pattern Pool istatistikleri yeniden hesaplanır.`,()=>{syncSettingsInputValues();if($("settingsResetStatus"))$("settingsResetStatus").textContent="Havuz sıfırlaması iptal edildi; eşik ve istatistikler değişmedi.";},()=>{if($("settingsResetStatus"))$("settingsResetStatus").textContent="Havuz ayarları varsayılana döndürüldü; istatistikler yeniden hesaplanıyor.";});
    return;
  }
  const changed=applySettingsCandidate(candidate);
  const status=$("settingsResetStatus");
  if(status)status.textContent=changed.length?`${label} ayarları varsayılanlara döndürüldü.`:`${label} ayarları zaten varsayılan.`;
}
const SETTINGS_SCHEMA_VERSION=1;
function validSettingsEndpoint(value,kind){
  if(!value)return true;
  if(value.length>2048)return false;
  const probe=value.replace(/\{url\}/g,"https://example.invalid/data");
  try{
    const url=new URL(probe);
    const allowed=kind==="ws"?["ws:","wss:"]:["http:","https:"];
    return allowed.includes(url.protocol)&&!url.username&&!url.password;
  }catch(e){return false;}
}
function validateSettingsDocument(doc){
  if(!doc||typeof doc!=="object"||Array.isArray(doc)||doc.schema!=="fs_settings"||doc.schemaVersion!==SETTINGS_SCHEMA_VERSION||!doc.settings||typeof doc.settings!=="object"||Array.isArray(doc.settings))
    return {ok:false,error:"Geçersiz dosya biçimi veya desteklenmeyen schemaVersion (beklenen 1)."};
  const incoming=doc.settings,candidate={...S.settings},unknown=Object.keys(incoming).filter(key=>!(key in SETTINGS_DEFAULTS));
  for(const key of Object.keys(SETTINGS_DEFAULTS)){
    if(!(key in incoming))continue;
    const value=incoming[key],fallback=SETTINGS_DEFAULTS[key],rule=SETTINGS_NUMERIC_RULES[key];
    if(rule){
      if(typeof value!=="number"||!Number.isFinite(value))return {ok:false,error:`${key}: sayı olmalı.`};
      if(value<rule.min||value>rule.max||(rule.integer&&!Number.isInteger(value))||
         (rule.step&&Math.abs(value/rule.step-Math.round(value/rule.step))>1e-8)||
         (rule.decimals!=null&&Math.abs(value-Number(value.toFixed(rule.decimals)))>1e-8))return {ok:false,error:`${key}: izin verilen ${rule.min}–${rule.max} aralığı/biçimi dışında.`};
      candidate[key]=value;continue;
    }
    if(typeof fallback==="boolean"){
      if(typeof value!=="boolean")return {ok:false,error:`${key}: true/false olmalı.`};
      candidate[key]=value;continue;
    }
    if(typeof fallback==="string"){
      if(typeof value!=="string")return {ok:false,error:`${key}: metin olmalı.`};
      if(key==="layerPreset"&&!(["sade","flow","tam","ozel"].includes(value)))return {ok:false,error:"layerPreset tanınmıyor."};
      if(key==="settingsMode"&&!(["simple","advanced"].includes(value)))return {ok:false,error:"settingsMode tanınmıyor."};
      if(key==="dataMode"&&!(["auto","birincil","spot","testnet","ozel"].includes(value)))return {ok:false,error:"dataMode tanınmıyor."};
      if(key==="apiBaseShape"&&!(["futures","spot"].includes(value)))return {ok:false,error:"apiBaseShape tanınmıyor."};
      if(key.endsWith("Color")&&!/^#[0-9a-f]{6}$/i.test(value))return {ok:false,error:`${key}: #RRGGBB renk biçimi gerekli.`};
      if(key==="apiBase"&&!validSettingsEndpoint(value,"http"))return {ok:false,error:"apiBase geçerli HTTP(S) adresi değil."};
      if(key==="wsBase"&&!validSettingsEndpoint(value,"ws"))return {ok:false,error:"wsBase geçerli WS(S) adresi değil."};
      if(value.length>2048)return {ok:false,error:`${key}: metin çok uzun.`};
      candidate[key]=value;continue;
    }
  }
  const relation=settingsRelationError(candidate);
  if(relation)return {ok:false,error:relation};
  return {ok:true,candidate,unknown};
}
function exportSettingsDocument(){
  const documentData={schema:"fs_settings",schemaVersion:SETTINGS_SCHEMA_VERSION,exportedAt:new Date().toISOString(),settings:{...S.settings}};
  const blob=new Blob([JSON.stringify(documentData,null,2)],{type:"application/json"});
  const url=URL.createObjectURL(blob),link=document.createElement("a");
  link.href=url;link.download=`fs-settings-v${SETTINGS_SCHEMA_VERSION}.json`;
  document.body.appendChild(link);link.click();link.remove();setTimeout(()=>URL.revokeObjectURL(url),1500);
}
function showSettingsImportPreview(result){
  const status=$("settingsImportStatus"),preview=$("settingsImportPreview"),summary=$("settingsImportSummary");
  if(!result.ok){if(status)status.textContent=`İçe aktarma reddedildi: ${result.error} Hiçbir ayar değiştirilmedi.`;if(preview)preview.hidden=true;pendingSettingsImport=null;return;}
  const changed=Object.keys(SETTINGS_DEFAULTS).filter(key=>!Object.is(S.settings[key],result.candidate[key]));
  pendingSettingsImport={candidate:result.candidate,changed};
  if(status)status.textContent="Dosya doğrulandı; henüz uygulanmadı.";
  if(summary){
    const pool=changed.includes("patternWinPct")?" Pattern Pool istatistikleri onaydan sonra yeniden hesaplanacak.":"";
    const unknown=result.unknown.length?` Bilinmeyen ${result.unknown.length} alan yok sayılır; mevcut eski anahtarlar korunur.`:"";
    summary.textContent=`${changed.length} ayar değişecek. Uygula ile tüm ayarlar birlikte kaydedilir.${pool}${unknown}`;
  }
  if(preview)preview.hidden=false;
}
function confirmSettingsImport(){
  if(!pendingSettingsImport)return;
  const pending=pendingSettingsImport;pendingSettingsImport=null;
  if($("settingsImportPreview"))$("settingsImportPreview").hidden=true;
  const changed=applySettingsCandidate(pending.candidate,{recomputePool:pending.changed.includes("patternWinPct")});
  const status=$("settingsImportStatus");if(status)status.textContent=`${changed.length} ayar doğrulandı ve uygulandı.`;
}
async function readSettingsImportFile(file){
  if(!file)return;
  const status=$("settingsImportStatus");
  try{
    const text=await file.text(),doc=JSON.parse(text);
    showSettingsImportPreview(validateSettingsDocument(doc));
  }catch(e){showSettingsImportPreview({ok:false,error:"JSON okunamadı veya sözdizimi hatalı."});}
}
function bindSettingsDataActions(){
  document.querySelectorAll("#view-settings [data-reset-section]").forEach(button=>button.addEventListener("click",()=>resetSettingsSection(button.dataset.resetSection)));
  $("settingsExportBtn")?.addEventListener("click",exportSettingsDocument);
  $("settingsImportBtn")?.addEventListener("click",()=>$("settingsImportFile")?.click());
  $("settingsImportFile")?.addEventListener("change",async event=>{const input=event.target;await readSettingsImportFile(input.files?.[0]);input.value="";});
  $("confirmSettingsImportBtn")?.addEventListener("click",confirmSettingsImport);
  $("cancelSettingsImportBtn")?.addEventListener("click",()=>{
    pendingSettingsImport=null;if($("settingsImportPreview"))$("settingsImportPreview").hidden=true;
    if($("settingsImportStatus"))$("settingsImportStatus").textContent="İçe aktarma iptal edildi; ayarlar değişmedi.";
  });
}
const SETTINGS_LAST_OPEN_KEY = "fs_settings_last_open";
function refreshSettingsNotices(sectionId){
  document.querySelectorAll("#view-settings [data-settings-simple-note]").forEach(note => {
    note.hidden = S.settings.settingsMode !== "simple";
  });
}
function setSettingsMode(mode, persist=true){
  const safeMode = mode === "advanced" ? "advanced" : "simple";
  S.settings.settingsMode = safeMode;
  const root = $("view-settings");
  if (root) root.dataset.mode = safeMode;
  document.querySelectorAll("#view-settings [data-settings-mode]").forEach(button => {
    const active = button.dataset.settingsMode === safeMode;
    button.setAttribute("aria-pressed", String(active));
  });
  const activeId = document.querySelector("#settingsNav [aria-current='location']")?.dataset.settingsTarget || "settings-section-view";
  refreshSettingsNotices(activeId);
  if (persist) save();
}
function bindSettingsNavigation(){
  const root = $("view-settings"), nav = $("settingsNav");
  if (!root || !nav) return;
  const navButtons = [...nav.querySelectorAll("[data-settings-target]")];
  const setActive = id => {
    const match = navButtons.find(button => button.dataset.settingsTarget === id) || navButtons[0];
    navButtons.forEach(button => {
      if (button === match) button.setAttribute("aria-current", "location");
      else button.removeAttribute("aria-current");
    });
    refreshSettingsNotices(match?.dataset.settingsTarget || "settings-section-view");
  };
  navButtons.forEach(button => button.addEventListener("click", () => {
    const target = document.getElementById(button.dataset.settingsTarget);
    if (!target) return;
    setActive(button.dataset.settingsTarget);
    const top = target.getBoundingClientRect().top - root.getBoundingClientRect().top + root.scrollTop - nav.offsetHeight;
    root.scrollTo({top:Math.max(0,top),behavior:"smooth"});
  }));
  root.addEventListener("scroll", () => {
    const threshold = root.getBoundingClientRect().top + nav.offsetHeight + 36;
    const sections = [...root.querySelectorAll(".settingsSection")];
    let current = sections[0];
    for (const section of sections){
      if (section.getBoundingClientRect().top <= threshold) current = section;
      else break;
    }
    if (current) setActive(current.id);
  }, {passive:true});
  document.querySelectorAll("#view-settings [data-settings-mode]").forEach(button => button.addEventListener("click", () => setSettingsMode(button.dataset.settingsMode)));
  document.querySelectorAll("#view-settings [data-enable-advanced]").forEach(button => button.addEventListener("click", () => setSettingsMode("advanced")));
  const cards = [...root.querySelectorAll("details.settingsAccordion")];
  cards.forEach(card => card.addEventListener("toggle", () => {
    if (card.open){
      cards.forEach(other => { if (other !== card && other.open) other.open = false; });
      try { localStorage.setItem(SETTINGS_LAST_OPEN_KEY, card.id); } catch(e){}
    } else {
      try { if (localStorage.getItem(SETTINGS_LAST_OPEN_KEY) === card.id) localStorage.removeItem(SETTINGS_LAST_OPEN_KEY); } catch(e){}
    }
  }));
  setSettingsMode(S.settings.settingsMode, false);
  try {
    const lastId = localStorage.getItem(SETTINGS_LAST_OPEN_KEY);
    const lastCard = lastId ? document.getElementById(lastId) : null;
    if (lastCard?.matches("details.settingsAccordion") &&
        (S.settings.settingsMode === "advanced" || !lastCard.hasAttribute("data-settings-advanced"))) lastCard.open = true;
  } catch(e){}
  setActive("settings-section-view");
}
function bindSettings(){
  const map = {
    setMa1:"ma1", setMa2:"ma2", setMa3:"ma3", setSarStep:"sarStep", setSarMax:"sarMax", setN:"nWindow",
    setLiqMin:"liqMin", setOiPoll:"oiPollSec", setCascadePct:"cascadePct", setPatternWin:"patternWinPct",
    setWhaleMin:"whaleMin", setWallPct:"wallPct", setStaleSec:"staleSec",
    setBBPeriod:"bbPeriod", setBBStd:"bbStd", setRsiPeriod:"rsiPeriod",
    setMacdFast:"macdFast", setMacdSlow:"macdSlow", setMacdSignal:"macdSignal"
  };
  for (const [id, key] of Object.entries(map)){
    const input = $(id); if (!input) continue;
    const rule = settingNumberOptions(key);
    if (SIGNAL_DRAFT_KEYS.includes(key)){ bindSignalDraftInput(input,key); continue; }
    if (key === "patternWinPct"){ bindPatternWinInput(input); continue; }
    if (rule.min != null) input.min = String(rule.min);
    if (rule.max != null) input.max = String(rule.max);
    if (rule.step != null) input.step = String(rule.step);
    else if (rule.integer) input.step = "1";
    else if (rule.decimals != null) input.step = String(10 ** -rule.decimals);
    input.value = String(S.settings[key]);
    input.onchange = () => {
      const nv = readValidatedSettingNumber(input, key, rule);
      if (nv == null) return;
      if (nv === Number(S.settings[key])) return;
      S.settings[key] = nv; save();
      if (key === "oiPollSec") startOiPolling();
      if (["bbPeriod","bbStd","rsiPeriod","macdFast","macdSlow","macdSignal"].includes(key)) redrawAll();
    };
  }
  $("applySignalSettingsBtn")?.addEventListener("click",applySignalSettings);
  $("revertSignalSettingsBtn")?.addEventListener("click",revertSignalSettings);
  $("confirmPatternWinBtn")?.addEventListener("click",()=>{const action=pendingPatternAction;closePatternConfirmation();if(action?.commit)action.commit();});
  $("cancelPatternWinBtn")?.addEventListener("click",()=>closePatternConfirmation(true));
  updateSignalDraftStatus();
  const toggles = {
    setDark:"dark", setShowMa:"showMa", setShowSar:"showSar", setShowVol:"showVol",
    setRawConfirm:"rawConfirm", setHardVeto:"hardVeto", setShowFlow:"showFlow", setShowLiq:"showLiq",
    setShowLadder:"showLadder", setShowHeatmap:"showHeatmap", setWhaleAlerts:"whaleAlerts",
    setShowBB:"showBB", setShowRsi:"showRsi", setShowMacd:"showMacd", setShowVwap:"showVwap"
  };
  for (const [id, key] of Object.entries(toggles)){
    $(id).checked = !!S.settings[key];
    $(id).onchange = () => {
      S.settings[key] = $(id).checked; save();
      if (key === "dark") applyTheme();
      if (["showMa","showSar","showVol","showBB","showRsi","showMacd","showVwap"].includes(key)) redrawAll();
      if (["showVol","showRsi","showMacd"].includes(key)) applyPanelLayout();
      if (key === "showFlow") renderFlowMini();
      if (key === "showLiq") redrawMarkers();
      if (key === "showHeatmap" && !$(id).checked && ctxH){ ctxH.clearRect(0,0,heatCv.width,heatCv.height); }
      if (key === "rawConfirm") { renderDecisionRaw(null); restartRaw(false); }
      if (key === "hardVeto") renderDecisionRaw(engine.lastRaw||null);
      if (key === "showLadder" || key === "showHeatmap") markOverlayDirty();
      markCustomPreset(key); syncViewControls(); applyView();
      renderWsStatus();
    };
  }
  /* Stage 1 — view customisation controls */
  const viewToggles = {
    setPanelHeads:"panelHeads", setRefLines:"refLines",
    setRsiCollapsed:"rsiCollapsed", setMacdCollapsed:"macdCollapsed", setVolCollapsed:"volCollapsed",
    setFlowStrip:"flowStrip", setFlowStripCollapsed:"flowStripCollapsed", setFsCvd:"fsCvd"
  };
  for (const [id, key] of Object.entries(viewToggles)){
    const el = $(id); if (!el) continue;
    el.checked = !!S.settings[key];
    el.onchange = () => {
      S.settings[key] = el.checked;
      markCustomPreset(key); save(); applyView(); syncViewControls();
    };
  }
  const viewNums = { setPanelRsiH:"panelRsiH", setPanelMacdH:"panelMacdH", setPanelVolH:"panelVolH" };
  const panelHeightRule = { min:6, max:35, integer:true, toStored:v => v/100, toDisplay:v => Math.round(v*100) };
  for (const [id, key] of Object.entries(viewNums)){
    const el = $(id); if (!el) continue;
    el.min = "6"; el.max = "35"; el.step = "1";
    el.value = String(Math.round(Number(S.settings[key]) * 100));
    el.onchange = () => {
      const next = readValidatedSettingNumber(el, key, panelHeightRule);
      if (next == null || next === Number(S.settings[key])) return;
      S.settings[key] = next;
      save(); applyView(); syncViewControls();
    };
  }
  document.querySelectorAll("[data-preset]").forEach(b => {
    b.onclick = () => applyViewPreset(b.dataset.preset);
  });
  $("fsToggle").onclick = () => {
    S.settings.flowStripCollapsed = !S.settings.flowStripCollapsed;
    markCustomPreset("flowStripCollapsed");
    save(); syncViewControls(); renderFlowStrip();
  };
  /* Stage 2 — decision HUD settings */
  const hudStale = $("setHudStale");
  if (hudStale){
    const key = "signalStaleCandles", rule = settingNumberOptions(key);
    hudStale.min = String(rule.min); hudStale.max = String(rule.max); hudStale.step = "1";
    hudStale.value = String(staleLimit());
    hudStale.onchange = () => {
      const next = readValidatedSettingNumber(hudStale, key, rule);
      if (next == null || next === Number(S.settings[key])) return;
      S.settings[key] = next; save(); renderHud(true);
    };
  }
  const hudBand = $("setHudBand");
  if (hudBand){
    hudBand.checked = !!S.settings.hudPendingBand;
    hudBand.onchange = () => { S.settings.hudPendingBand = hudBand.checked; save(); positionPendingBand(); };
  }
  const showComment = $("setShowComment");
  if (showComment){
    showComment.checked = !!S.settings.showComment;
    showComment.onchange = () => { S.settings.showComment = showComment.checked; save(); renderHud(true); };
  }
  $("hudChip").onclick = openSignalSheet;
  /* Stage 3 bindings */
  const openHelp = () => openSheet("Yardım & Lejant", helpSheetHtml());
  $("helpBtn").onclick = openHelp;
  $("openHelpBtn").onclick = openHelp;
  $("restartTourBtn").onclick = () => startTour();
  const htfBox = $("setHtfChip");
  if (htfBox){
    htfBox.checked = !!S.settings.htfChip;
    htfBox.onchange = () => { S.settings.htfChip = htfBox.checked; save(); if (htfBox.checked) loadHtf(true); renderHtfChip(); };
  }
  /* T1: canlı gösterge yenileme aralığı */
  const liveInd = $("setLiveInd");
  if (liveInd){
    const key = "liveIndMs", rule = settingNumberOptions(key);
    liveInd.min = String(rule.min); liveInd.max = String(rule.max); liveInd.step = String(rule.step);
    liveInd.value = String(S.settings[key]);
    liveInd.onchange = () => {
      const v = readValidatedSettingNumber(liveInd, key, rule);
      if (v == null || v === Number(S.settings[key])) return;
      S.settings[key] = v; save(); updateIndBadge();
      if (v > 0) scheduleLiveIndicators();
    };
  }
  $("openLayersBtn").onclick = () => openSheet("Katmanlar", buildLayersSheet(), bindLayersSheet);
  $("layersBtn").onclick = () => openSheet("Katmanlar", buildLayersSheet(), bindLayersSheet);
  $("sheetClose").onclick = closeSheet;
  $("sheetBack").onclick = closeSheet;
  $("reconnBtn").onclick = () => { S.wsRetry = 0; S.raw.marketRetry = 0; S.raw.publicRetry = 0; srcState.preferred=null; applySourceSwitch(activeSrc()); };
  /* --- Veri kaynağı kartı --- */
  if ($("setDataMode")){
    $("setDataMode").value = srcMode();
    $("setDataMode").onchange = e => { S.settings.dataMode = e.target.value; srcState.preferred = null; save(); renderSrcStatus();
      srcLog("Mod: " + e.target.value); applySourceSwitch(activeSrc()); };
    $("setApiBase").value = S.settings.apiBase || "";
    $("setApiBase").onchange = e => { S.settings.apiBase = e.target.value.trim(); srcState.preferred = null; save(); renderSrcStatus(); applySourceSwitch(activeSrc()); };
    $("setWsBase").value = S.settings.wsBase || "";
    $("setWsBase").onchange = e => { S.settings.wsBase = e.target.value.trim(); srcState.preferred = null; save(); renderSrcStatus(); applySourceSwitch(activeSrc()); };
    $("setApiShape").value = S.settings.apiBaseShape || "futures";
    $("setApiShape").onchange = e => { S.settings.apiBaseShape = e.target.value; srcState.preferred = null; save(); renderSrcStatus(); applySourceSwitch(activeSrc()); };
    $("srcTestBtn").onclick = testSources;
    renderSrcStatus();
  }
  const lineCtrls = [
    {colorId:"colMa1", widthId:"widMa1", colorKey:"ma1Color", widthKey:"ma1Width"},
    {colorId:"colMa2", widthId:"widMa2", colorKey:"ma2Color", widthKey:"ma2Width"},
    {colorId:"colMa3", widthId:"widMa3", colorKey:"ma3Color", widthKey:"ma3Width"},
    {colorId:"colSar", widthId:"widSar", colorKey:"sarColor", widthKey:"sarWidth"},
    {colorId:"colBB", widthId:"widBB", colorKey:"bbColor", widthKey:"bbWidth"},
    {colorId:"colVwap", widthId:"widVwap", colorKey:"vwapColor", widthKey:"vwapWidth"},
    {colorId:"colRsi", widthId:"widRsi", colorKey:"rsiColor", widthKey:"rsiWidth"},
    {colorId:"colMacd", widthId:"widMacd", colorKey:"macdColor", widthKey:"macdWidth"},
    {colorId:"colMacdSig", widthId:"widMacdSig", colorKey:"macdSignalColor", widthKey:"macdSignalWidth"}
  ];
  function bindLineCtrls(){ 
    lineCtrls.forEach(c => {
      $(c.colorId).value = S.settings[c.colorKey];
      $(c.widthId).value = String(S.settings[c.widthKey]);
      $(c.colorId).oninput = () => { S.settings[c.colorKey] = $(c.colorId).value; save(); applyLineStyles(); };
      $(c.widthId).onchange = () => { S.settings[c.widthKey] = +$(c.widthId).value; save(); applyLineStyles(); };
    });
  }
  bindLineCtrls();
  $("resetLineStyleBtn").onclick = () => {
    lineCtrls.forEach(c => {
      S.settings[c.colorKey] = SETTINGS_DEFAULTS[c.colorKey];
      S.settings[c.widthKey] = SETTINGS_DEFAULTS[c.widthKey];
    });
    save(); bindLineCtrls(); applyLineStyles();
  };
  bindSettingsNavigation();
  bindSettingsDataActions();
  syncViewControls();
}
function bindUI(){
  bindPatternPoolUI();
  bindSignalFlowFilters();
  bindSignalHistoryUI();
  bindSignalCollapsibles();
  document.querySelectorAll("#nav button").forEach(b => b.onclick = () => showView(b.dataset.view));
  const tfBar = $("tfBar");
  tfBar.innerHTML = TFS.map(t => `<button data-tf="${t}" class="${t===S.interval?"active":""}">${t}</button>`).join("")
    + `<button class="layersBtn" id="layersBtn" title="Katmanlar">◧ <span id="layersBtnLbl">Sade</span></button>`
    + `<button class="layersBtn hit44" id="helpBtn" title="Yardım ve lejant" aria-label="Yardım">?</button>`;
  tfBar.querySelectorAll("button[data-tf]").forEach(b => b.onclick = async () => { await changeInterval(b.dataset.tf); });
  const inp = $("symInput");
  inp.oninput = () => renderDrop(inp.value.trim());
  inp.onfocus = () => renderDrop(inp.value.trim());
  inp.onkeydown = e => {
    if (e.key !== "Enter") return;
    const m = symMatches(inp.value);
    if (m.length) switchSymbol(m[0]);
  };
  document.addEventListener("click", e => {
    if (!$("symDrop").contains(e.target) && e.target !== inp) $("symDrop").style.display = "none";
  });
  $("favBtn").onclick = () => {
    if (S.favs.includes(S.symbol)) S.favs = S.favs.filter(x => x !== S.symbol);
    else S.favs.unshift(S.symbol);
    save(); updateFavBtn(); renderFavs();
  };
}
(async function init(){
  applyTheme();
  // 0.5: hard dependency — fail loudly instead of leaving a dead shell.
  if (typeof window.LightweightCharts === "undefined"){
    const el = $("fatal");
    if (el){
      el.hidden = false;
      if (window.__lwcLoadFailed) $("fatalMsg").textContent =
        "Lightweight-Charts indirilemedi (ağ hatası veya SRI doğrulaması başarısız).";
      const b = $("fatalRetry");
      if (b) b.onclick = () => location.reload();
    }
    console.error("[boot] LightweightCharts yok — uygulama başlatılmadı.");
    return;
  }
  bindUI(); bindSettings(); renderFavs(); updateFavBtn(); renderFlowMini(); renderWsStatus();
  await patternPoolInit();
  patternCompleteAllOpenEvents().catch(()=>{});
  initDataSource();                               // hatırlanan kaynak (varsa)
  loadSymbols();                                  // arama için arka planda
  $("symInput").placeholder = S.symbol;
  await loadKlines();
  await signalHistoryHydrate();
  signalHistoryUpdateForCandles(S.symbol,S.interval,S.candles).catch(()=>{});
  initChart(S.symbol);
  buildPanelHeads();
  syncViewControls(); applyRefLines(); renderFlowStrip();
  refresh24h(true); renderHud(true);
  loadHtf(); bindCrosshairLegend(); bindChartTaps(); maybeStartTour();
  setInterval(hudTick, 500);
  redrawAll(); restoreOrFitChart();
  runEngine(); renderSignalTab(); patternRenderSignalContext(null);
  save();                                  // persist the Stage-1 migration result
  wsConnect(); startRaw();
  patternBackfillSymbol(S.symbol).catch(e => console.warn("pattern backfill hata", e));
})();
</script>
</body>
</html>