lean-ctx 3.3.7

Context Runtime for AI Agents with CCP. 46 MCP tools, 10 read modes, 90+ compression patterns, cross-session memory (CCP), persistent AI knowledge with temporal facts + contradiction detection, multi-agent context sharing + diaries, LITM-aware positioning, AAAK compact format, adaptive compression with Thompson Sampling bandits. Supports 24 AI tools. Reduces LLM token consumption by up to 99%.
Documentation 
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>LeanCTX Observatory</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js@4/dist/chart.umd.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/d3@7/dist/d3.min.js"></script>
<style>
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#06060a;--surface:#0a0a12;--surface-2:#0f0f1a;--surface-3:#161625;
  --border:rgba(255,255,255,0.06);--border-light:rgba(255,255,255,0.1);
  --text:#e2e2ef;--text-bright:#f5f5ff;--muted:#6b6b88;
  --green:#34d399;--green-dim:rgba(52,211,153,0.08);--green-glow:rgba(52,211,153,0.15);
  --purple:#818cf8;--purple-dim:rgba(129,140,248,0.08);
  --blue:#38bdf8;--blue-dim:rgba(56,189,248,0.08);
  --pink:#f472b6;--pink-dim:rgba(244,114,182,0.08);
  --yellow:#fbbf24;--yellow-dim:rgba(251,191,36,0.08);
  --red:#f87171;--red-dim:rgba(248,113,113,0.08);
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Mono','Segoe UI Mono','DejaVu Sans Mono',monospace;
  --r:16px;--rs:10px;
  --sidebar-w:56px;--sidebar-exp:220px;
}
body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh;
  font-weight:350;-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--green);color:var(--bg)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.08);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.14)}

.app-layout{display:flex;min-height:100vh}

.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:200;
  transition:width .25s cubic-bezier(.22,1,.36,1);overflow:hidden;
}
.sidebar:hover,.sidebar.pinned{width:var(--sidebar-exp)}
.sidebar-logo{
  height:56px;display:flex;align-items:center;padding:0 16px;gap:8px;
  border-bottom:1px solid var(--border);flex-shrink:0;cursor:default;
}
.sidebar-logo svg{flex-shrink:0;width:24px;height:24px}
.sidebar-logo-text{
  font-size:15px;font-weight:700;letter-spacing:-0.02em;white-space:nowrap;opacity:0;
  transition:opacity .2s .05s;
}
.sidebar:hover .sidebar-logo-text,.sidebar.pinned .sidebar-logo-text{opacity:1}
.sidebar-logo-text span{
  background:linear-gradient(135deg,var(--green),#6ee7b7);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:300;
}

.sidebar-nav{flex:1;padding:8px;overflow-y:auto;overflow-x:hidden}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;
  cursor:pointer;color:var(--muted);transition:all .15s;white-space:nowrap;
  font-size:13px;font-weight:450;position:relative;
}
.nav-item:hover{color:var(--text);background:var(--surface-2)}
.nav-item.active{color:var(--green);background:rgba(52,211,153,0.06)}
.nav-item.active::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--green);border-radius:0 3px 3px 0;
}
.nav-item:focus{outline:none;color:var(--text);background:var(--surface-2);box-shadow:0 0 0 2px rgba(52,211,153,0.2) inset}
.nav-item svg{flex-shrink:0;width:18px;height:18px}
.nav-label{opacity:0;transition:opacity .2s .05s}
.sidebar:hover .nav-label,.sidebar.pinned .nav-label{opacity:1}

.sidebar-footer{
  padding:12px 16px;border-top:1px solid var(--border);font-size:10px;
  color:var(--muted);font-family:var(--mono);white-space:nowrap;
  opacity:0;transition:opacity .2s .05s;
}
.sidebar:hover .sidebar-footer,.sidebar.pinned .sidebar-footer{opacity:1}

.main{
  flex:1;margin-left:var(--sidebar-w);padding:24px 32px 80px;
  transition:all .25s cubic-bezier(.22,1,.36,1);
  min-width: 0;
}
.content-container{
  max-width:1720px;
  margin:0 auto;
  width:100%;
}

.view{display:none;opacity:0;transition:opacity .25s ease;transform:translateY(4px);transition:opacity .25s ease,transform .25s ease}
.view.active{display:block;opacity:1;transform:translateY(0)}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;padding:16px 0;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:var(--bg);z-index:100;
}
.topbar-title{font-size:22px;font-weight:700;letter-spacing:-0.03em}
.topbar-actions{display:flex;align-items:center;gap:8px}
.pulse{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted)}
.dot{width:5px;height:5px;border-radius:50%;background:var(--green);animation:p 2s ease infinite}
@keyframes p{0%,100%{opacity:1}50%{opacity:.3}}
.dot.off{background:var(--muted);animation:none}
.btn{
  background:transparent;border:1px solid var(--border);color:var(--muted);padding:5px 14px;
  border-radius:8px;font-size:11px;font-family:var(--font);cursor:pointer;transition:.15s;
}
.btn:hover{border-color:var(--green);color:var(--green)}

.refresh-btn{
  display:flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);
  color:var(--muted);padding:6px 14px;border-radius:8px;font-size:11px;font-family:var(--font);
  cursor:pointer;transition:all .2s;position:relative;
}
.refresh-btn:hover{border-color:var(--green);color:var(--green)}
.refresh-btn.has-update{
  border-color:var(--green);color:var(--green);
  box-shadow:0 0 12px rgba(52,211,153,0.3),0 0 4px rgba(52,211,153,0.2);
  animation:refreshGlow 2s ease infinite;
}
.refresh-btn.spinning svg{animation:spin .6s linear}
@keyframes refreshGlow{
  0%,100%{box-shadow:0 0 12px rgba(52,211,153,0.3)}
  50%{box-shadow:0 0 20px rgba(52,211,153,0.5),0 0 8px rgba(52,211,153,0.3)}
}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
.ver-badge{
  color:var(--muted);font-size:9px;font-family:var(--mono);
  background:var(--surface-2);padding:2px 6px;border-radius:4px;border:1px solid var(--border);
}

.tf-bar{display:flex;gap:4px;margin-bottom:12px}
.tf-btn{
  padding:5px 14px;font-size:11px;font-weight:500;border-radius:8px;
  border:1px solid var(--border);background:none;color:var(--muted);
  cursor:pointer;font-family:var(--font);transition:all .15s;
}
.tf-btn:hover{border-color:var(--border-light);color:var(--text)}
.tf-btn.active{border-color:var(--green-glow);background:var(--green-dim);color:var(--green)}
.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px;margin-bottom:14px}
.hero-main{
  position:relative;border-radius:var(--r);padding:32px 28px;overflow:hidden;
  background:linear-gradient(145deg,rgba(52,211,153,0.06),rgba(129,140,248,0.03));
  border:1px solid var(--green-glow);
}
.hero-main::before{
  content:'';position:absolute;top:-60%;right:-30%;width:300px;height:300px;
  background:radial-gradient(circle,rgba(52,211,153,0.08),transparent 60%);pointer-events:none;
}
 .hero-main .hv{
   font-size: clamp(28px,5vw,64px);font-weight:700;letter-spacing:-0.04em;line-height:1;
   color:var(--green);margin-bottom:8px;text-shadow:0 0 40px rgba(52,211,153,0.2);
}
.hero-main .hl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.15em;font-weight:600}
.hero-main .hs{font-size:11px;color:var(--muted);margin-top:14px;line-height:1.7}
.hero-main .hs b{color:var(--text);font-weight:500}

.hc{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:22px 18px;display:flex;flex-direction:column;justify-content:center;transition:.2s;
}
.hc:hover{border-color:var(--border-light);transform:translateY(-1px)}
.hc .hv{font-size:32px;font-weight:700;letter-spacing:-0.04em;line-height:1;margin-bottom:5px}
.hc .hl{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.18em;font-weight:600}
.hc .hs{font-size:10px;color:var(--muted);margin-top:8px;font-family:var(--mono)}

.row{display:grid;gap:12px;margin-bottom:12px}
.r3{grid-template-columns:repeat(auto-fit, minmax(320px, 1fr))}
.r21{grid-template-columns:2.2fr 1fr}
.r12{grid-template-columns:1fr 2.2fr}
.r11{grid-template-columns:repeat(auto-fit, minmax(400px, 1fr))}
.r1{grid-template-columns:1fr}
.r4{grid-template-columns:repeat(auto-fit, minmax(280px, 1fr))}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:20px;transition:all .25s cubic-bezier(.22,1,.36,1);
}
.card:hover{border-color:var(--border-light);box-shadow:0 8px 32px rgba(0,0,0,0.35),0 0 1px rgba(255,255,255,0.06);transform:translateY(-1px)}
.card h3{
  font-size:10px;color:var(--muted);margin-bottom:14px;font-weight:600;
  text-transform:uppercase;letter-spacing:.18em;display:flex;align-items:center;gap:8px;
}
.badge{
  font-size:8px;background:var(--green-dim);color:var(--green);padding:2px 6px;
  border-radius:4px;letter-spacing:.05em;font-family:var(--mono);font-weight:600;
}
.card canvas{max-height:220px}

.card-header{display:flex;align-items:center;justify-content:space-between}
.card-header h3{margin-bottom:0}
.expand-btn{
  background:var(--surface-2);border:1px solid var(--border);color:var(--muted);
  width:28px;height:28px;border-radius:8px;cursor:pointer;display:flex;
  align-items:center;justify-content:center;transition:all .2s cubic-bezier(.22,1,.36,1);flex-shrink:0;
}
.expand-btn:hover{border-color:var(--green);color:var(--green);background:var(--green-dim);transform:scale(1.08);box-shadow:0 0 12px rgba(52,211,153,0.1)}
.fullscreen-backdrop{
  position:fixed;inset:0;z-index:998;background:rgba(0,0,0,0.9);
  backdrop-filter:blur(12px);animation:fadeIn .25s ease;
}
.card-fullscreen{
  position:fixed;inset:20px;z-index:999;border-radius:var(--r);border:1px solid var(--border-light);
  padding:40px;overflow:auto;animation:scaleIn .3s cubic-bezier(.22,1,.36,1);
  background:radial-gradient(ellipse at 20% 20%,rgba(52,211,153,0.03),transparent 50%),
             radial-gradient(ellipse at 80% 80%,rgba(129,140,248,0.03),transparent 50%),
             var(--bg);
  box-shadow:0 40px 120px rgba(0,0,0,0.6),0 0 1px rgba(255,255,255,0.1);
}
@keyframes scaleIn{from{opacity:0;transform:scale(0.96)}to{opacity:1;transform:scale(1)}}
.card-fullscreen canvas{max-height:none!important;height:calc(100vh - 160px)!important}
.card-fullscreen svg.d3-graph{width:100%!important;height:calc(100vh - 160px)!important}
.card-fullscreen .close-fs{
  position:absolute;top:20px;right:20px;background:rgba(10,10,18,0.8);backdrop-filter:blur(16px);
  border:1px solid var(--border-light);color:var(--text);width:36px;height:36px;border-radius:10px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:16px;z-index:1000;
  transition:all .2s;box-shadow:0 4px 16px rgba(0,0,0,0.3);
}
.card-fullscreen .close-fs:hover{border-color:var(--green);color:var(--green);transform:scale(1.1)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.cost-row{display:flex;align-items:stretch;gap:0}
.cost-box{flex:1;padding:16px 12px;text-align:center;border-radius:var(--rs)}
.cost-box.bad{background:var(--red-dim);border:1px solid rgba(248,113,113,0.1)}
.cost-box.good{background:var(--green-dim);border:1px solid rgba(52,211,153,0.1)}
.cost-box .amt{font-size:28px;font-weight:700;letter-spacing:-.03em}
.cost-box .lb{font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-top:3px}
.cost-arrow{display:flex;align-items:center;padding:0 12px;color:var(--green);font-size:18px;opacity:.6}
.cost-detail{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:12px}
.cd-item{background:var(--surface-2);border-radius:8px;padding:10px;text-align:center}
.cd-item .v{font-size:18px;font-weight:700;letter-spacing:-.02em}
.cd-item .l{font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px}

.src-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--border);border-radius:var(--rs);overflow:hidden}
.src-item{padding:14px 16px;background:var(--surface)}
.src-item:first-child{border-right:1px solid var(--border)}
.src-item h4{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:5px}
.src-item h4 .d{width:7px;height:7px;border-radius:50%}
.sr{display:flex;justify-content:space-between;padding:2px 0;font-size:10px}
.sr .sl{color:var(--muted)}.sr .sv{font-family:var(--mono);font-weight:500}

table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;
  padding:7px 10px;border-bottom:1px solid var(--border);font-weight:600}
th.r{text-align:right}
td{padding:6px 10px;font-size:11px;border-bottom:1px solid var(--border);font-family:var(--mono)}
td.r{text-align:right}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface-2)}
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.tg{background:var(--green-dim);color:var(--green)}
.tp{background:var(--purple-dim);color:var(--purple)}
.tb{background:var(--blue-dim);color:var(--blue)}
.ty{background:var(--yellow-dim);color:var(--yellow)}
.td{background:var(--red-dim);color:var(--red)}
.tpk{background:var(--pink-dim);color:var(--pink)}
.bar-bg{background:var(--surface-2);border-radius:3px;height:4px;overflow:hidden;margin-top:2px}
.bar-f{height:100%;border-radius:3px;transition:width .6s cubic-bezier(.22,1,.36,1)}

.empty-state{
  text-align:center;padding:80px 20px;color:var(--muted);
}
.empty-state h2{font-size:18px;font-weight:700;color:var(--text);margin-bottom:8px}
.empty-state p{font-size:12px;line-height:1.7;max-width:400px;margin:0 auto}
.loading-state{text-align:center;padding:80px 20px;color:var(--muted);font-size:12px}

.how-it-works{
  margin-top:20px;border:1px solid var(--border);border-radius:var(--rs);overflow:hidden;
}
.how-toggle{
  display:flex;align-items:center;gap:8px;padding:12px 16px;cursor:pointer;
  font-size:11px;color:var(--muted);background:var(--surface);transition:.15s;
  border:none;width:100%;text-align:left;font-family:var(--font);
}
.how-toggle:hover{color:var(--text);background:var(--surface-2)}
.how-toggle svg{transition:transform .2s;flex-shrink:0}
.how-toggle.open svg{transform:rotate(90deg)}
.how-content{
  display:none;padding:16px;font-size:12px;line-height:1.8;color:var(--muted);
  background:var(--surface);border-top:1px solid var(--border);
}
.how-content.open{display:block}
.how-content strong{color:var(--text);font-weight:500}
.how-content code{
  background:var(--surface-3);border:1px solid var(--border);border-radius:4px;
  padding:1px 5px;font-family:var(--mono);font-size:11px;
}

.buddy-card{
  position:relative;background:rgba(10,10,18,0.6);backdrop-filter:blur(24px);
  border:1px solid var(--border-light);border-radius:var(--r);padding:28px;overflow:hidden;
  display:flex;gap:28px;align-items:center;flex-wrap:wrap;transition:all .3s ease;
}
.buddy-card:hover{transform:translateY(-2px);border-color:rgba(255,255,255,0.15)}
.buddy-card::before{
  content:'';position:absolute;top:-40%;right:-20%;width:300px;height:300px;
  border-radius:50%;pointer-events:none;transition:opacity .3s;
}
.buddy-card.rarity-Uncommon::before{background:radial-gradient(circle,rgba(52,211,153,0.1),transparent 60%)}
.buddy-card.rarity-Rare::before{background:radial-gradient(circle,rgba(56,189,248,0.12),transparent 60%)}
.buddy-card.rarity-Epic::before{background:radial-gradient(circle,rgba(192,132,252,0.15),transparent 60%);animation:glow-pulse 3s ease infinite}
.buddy-card.rarity-Legendary::before{background:radial-gradient(circle,rgba(251,191,36,0.18),transparent 60%);animation:shimmer 2s ease infinite}
.buddy-card.lvl-t1{--lvlGlow:rgba(56,189,248,0.10)}
.buddy-card.lvl-t2{--lvlGlow:rgba(52,211,153,0.12)}
.buddy-card.lvl-t3{--lvlGlow:rgba(192,132,252,0.16)}
.buddy-card.lvl-t4{--lvlGlow:rgba(251,191,36,0.20)}
.buddy-card.lvl-t1::after,
.buddy-card.lvl-t2::after,
.buddy-card.lvl-t3::after,
.buddy-card.lvl-t4::after{content:'';position:absolute;inset:-1px;border-radius:14px;pointer-events:none;opacity:0.0;background:radial-gradient(circle at 20% 20%,var(--lvlGlow),transparent 55%),radial-gradient(circle at 80% 70%,var(--lvlGlow),transparent 60%);transition:opacity .2s ease}
.buddy-card.lvl-t1:hover::after,
.buddy-card.lvl-t2:hover::after,
.buddy-card.lvl-t3:hover::after,
.buddy-card.lvl-t4:hover::after{opacity:1}
.buddy-sprite.lvl-t1 pre{animation:buddyFloat 3.2s ease-in-out infinite}
.buddy-sprite.lvl-t2 pre{animation:buddyFloat 2.6s ease-in-out infinite}
.buddy-sprite.lvl-t3 pre{animation:buddyFloat 2.1s ease-in-out infinite}
.buddy-sprite.lvl-t4 pre{animation:buddyFloat 1.8s ease-in-out infinite}
@keyframes buddyFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes glow-pulse{0%,100%{opacity:0.7}50%{opacity:1}}
@keyframes shimmer{0%{transform:translate(0,0) scale(1);opacity:0.7}50%{transform:translate(5%,-5%) scale(1.1);opacity:1}100%{transform:translate(0,0) scale(1);opacity:0.7}}
.buddy-sprite{position:relative;z-index:1}
.buddy-sprite pre{font-family:var(--mono);font-size:14px;line-height:1.35;margin:0;white-space:pre;letter-spacing:0.05em}
.buddy-sprite.rarity-Uncommon pre{color:var(--green);text-shadow:0 0 12px rgba(52,211,153,0.3)}
.buddy-sprite.rarity-Rare pre{color:var(--blue);text-shadow:0 0 12px rgba(56,189,248,0.3)}
.buddy-sprite.rarity-Epic pre{color:var(--purple);text-shadow:0 0 16px rgba(192,132,252,0.4)}
.buddy-sprite.rarity-Legendary pre{color:var(--yellow);text-shadow:0 0 20px rgba(251,191,36,0.5)}
.buddy-sprite pre{color:var(--text)}
.buddy-info{flex:1;min-width:240px;position:relative;z-index:1}
.buddy-name{font-size:20px;font-weight:700;letter-spacing:-0.02em;margin-bottom:2px;display:flex;align-items:center;gap:8px}
.buddy-meta{font-size:11px;color:var(--muted);margin-bottom:14px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.rarity-badge{font-size:9px;padding:2px 8px;border-radius:4px;font-weight:700;font-family:var(--mono);letter-spacing:.05em;text-transform:uppercase}
.rarity-badge.r-Uncommon{background:var(--green-dim);color:var(--green);border:1px solid rgba(52,211,153,0.2)}
.rarity-badge.r-Rare{background:var(--blue-dim);color:var(--blue);border:1px solid rgba(56,189,248,0.2)}
.rarity-badge.r-Epic{background:var(--purple-dim);color:var(--purple);border:1px solid rgba(192,132,252,0.2)}
.rarity-badge.r-Legendary{background:var(--yellow-dim);color:var(--yellow);border:1px solid rgba(251,191,36,0.2);animation:glow-pulse 2s ease infinite}
.mood-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.mood-Ecstatic{background:var(--yellow);box-shadow:0 0 6px var(--yellow)}
.mood-Happy{background:var(--green);box-shadow:0 0 6px var(--green)}
.mood-Content{background:var(--blue)}
.mood-Worried{background:var(--red);box-shadow:0 0 6px var(--red)}
.mood-Sleeping{background:var(--muted)}
.xp-wrap{margin-bottom:14px}
.xp-label{display:flex;justify-content:space-between;font-size:9px;color:var(--muted);font-family:var(--mono);margin-bottom:4px;letter-spacing:.05em}
.xp-track{background:var(--surface-2);border-radius:6px;height:8px;overflow:hidden;border:1px solid var(--border)}
.xp-fill{height:100%;border-radius:5px;transition:width 1s cubic-bezier(.22,1,.36,1);background:linear-gradient(90deg,var(--green),var(--blue))}
.buddy-stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-bottom:14px}
.stat-cell{text-align:center;background:var(--surface-2);border-radius:8px;padding:8px 4px;border:1px solid var(--border);transition:border-color .2s}
.stat-cell:hover{border-color:var(--border-light)}
.stat-label{font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-bottom:4px}
.stat-gauge{position:relative;width:36px;height:36px;margin:0 auto 4px}
.stat-gauge svg{transform:rotate(-90deg)}
.stat-gauge circle{fill:none;stroke-width:3}
.stat-gauge .bg{stroke:var(--surface-3)}
.stat-gauge .fg{stroke-linecap:round;transition:stroke-dashoffset 1s ease}
.stat-val{font-size:13px;font-weight:700;letter-spacing:-0.02em}
.buddy-speech{font-size:11px;color:var(--muted);font-style:italic;padding:10px 14px;background:var(--surface-2);border-radius:8px;border:1px solid var(--border);position:relative;margin-top:2px}
.buddy-speech::before{content:'';position:absolute;left:16px;top:-5px;width:10px;height:10px;background:var(--surface-2);border-left:1px solid var(--border);border-top:1px solid var(--border);transform:rotate(45deg)}

.event-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:16px 20px;display:flex;align-items:center;gap:16px;transition:all .25s cubic-bezier(.22,1,.36,1);
  animation:fadeUp .35s ease both;position:relative;overflow:hidden;
}
.event-card::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;border-radius:3px 0 0 3px;
  background:var(--event-accent,var(--muted));opacity:0;transition:opacity .2s;
}
.event-card:hover{border-color:var(--border-light);transform:translateX(6px);box-shadow:0 4px 24px rgba(0,0,0,0.25),0 0 0 1px rgba(255,255,255,0.03)}
.event-card:hover::before{opacity:1}
.event-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:15px;flex-shrink:0;backdrop-filter:blur(8px);
}
.event-body{flex:1;min-width:0}
.event-tool{font-size:12px;font-weight:700;color:var(--text-bright);letter-spacing:-0.01em}
.event-detail{font-size:10px;color:var(--muted);font-family:var(--mono);margin-top:4px;line-height:1.6}
.event-time{font-size:9px;color:var(--muted);font-family:var(--mono);flex-shrink:0;opacity:0.6;font-weight:500}

.filter-row{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.filter-btn{
  background:var(--surface);border:1px solid var(--border);color:var(--muted);
  padding:7px 18px;border-radius:20px;font-size:10px;font-family:var(--font);
  cursor:pointer;transition:all .2s cubic-bezier(.22,1,.36,1);font-weight:600;
  letter-spacing:.03em;
}
.filter-btn:hover{color:var(--text);border-color:var(--border-light);background:var(--surface-2);transform:translateY(-1px)}
.filter-btn.active{color:var(--green);border-color:var(--green);background:var(--green-dim);box-shadow:0 0 12px rgba(52,211,153,0.15),0 0 4px rgba(52,211,153,0.1)}

.d3-container{
  width:100%;height:calc(100vh - 200px);min-height:500px;border-radius:var(--r);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);position:relative;
  transition:all .4s cubic-bezier(.22,1,.36,1);
}
.d3-container svg{width:100%;height:100%;transition:all .3s ease}
.d3-container.graph-fullscreen{
  position:fixed;inset:0;z-index:1000;border-radius:0;border:none;
  height:100vh!important;min-height:100vh;width:100vw;
  background:radial-gradient(ellipse at 20% 50%, rgba(52,211,153,0.03) 0%, transparent 50%),
             radial-gradient(ellipse at 80% 20%, rgba(129,140,248,0.03) 0%, transparent 50%),
             radial-gradient(ellipse at 50% 80%, rgba(56,189,248,0.02) 0%, transparent 50%),
             var(--bg);
}
.d3-container.graph-fullscreen::before{
  content:'';position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,0.06) 1px,transparent 1px);
  background-size:28px 28px;
}
.d3-container.graph-fullscreen svg{width:100vw!important;height:100vh!important;position:relative;z-index:1}
.graph-toolbar{
  position:absolute;top:12px;right:12px;z-index:10;display:flex;gap:4px;
  background:rgba(10,10,18,0.9);backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:10px;padding:4px;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.graph-toolbar button{
  background:transparent;border:1px solid transparent;color:var(--muted);
  width:30px;height:30px;border-radius:7px;cursor:pointer;display:flex;
  align-items:center;justify-content:center;transition:all .2s;font-size:13px;
}
.graph-toolbar button:hover{color:var(--green);border-color:var(--border-light);background:var(--surface-2)}
.graph-toolbar button.active{color:var(--green);background:var(--green-dim);border-color:var(--green-glow)}
.graph-toolbar .tb-sep{width:1px;background:var(--border);margin:4px 2px}
.graph-legend{
  position:absolute;bottom:16px;left:16px;z-index:10;display:flex;gap:10px;flex-wrap:wrap;
  background:rgba(10,10,18,0.9);backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:10px;padding:10px 16px;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);transition:opacity .3s;
}
.graph-legend-item{display:flex;align-items:center;gap:5px;font-size:10px;color:var(--muted);transition:color .15s}
.graph-legend-item:hover{color:var(--text)}
.graph-legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;box-shadow:0 0 6px currentColor}
.graph-stats{
  position:absolute;top:12px;left:12px;z-index:10;
  background:rgba(10,10,18,0.9);backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:10px;padding:8px 16px;
  font-size:10px;color:var(--muted);font-family:var(--mono);display:flex;gap:14px;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.graph-stats span{color:var(--text-bright);font-weight:600}
.graph-minimap{
  position:absolute;bottom:16px;right:16px;z-index:10;
  width:160px;height:100px;border-radius:8px;overflow:hidden;
  background:rgba(10,10,18,0.9);backdrop-filter:blur(16px);
  border:1px solid var(--border);box-shadow:0 4px 24px rgba(0,0,0,0.5);
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.d3-container.graph-fullscreen .graph-minimap{opacity:1;pointer-events:auto}
.graph-minimap canvas{width:100%;height:100%}
.graph-minimap-viewport{
  position:absolute;border:1.5px solid var(--green);border-radius:2px;
  background:rgba(52,211,153,0.06);pointer-events:none;transition:all .1s;
}
.graph-zoom-hint{
  position:absolute;bottom:50%;left:50%;transform:translate(-50%,50%);
  color:rgba(255,255,255,0.15);font-size:13px;pointer-events:none;
  opacity:1;transition:opacity 1s;
}
.graph-breadcrumb{
  position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:10;
  background:rgba(10,10,18,0.9);backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:10px;padding:6px 16px;
  font-size:11px;color:var(--muted);display:none;
  box-shadow:0 4px 24px rgba(0,0,0,0.4);
}
.d3-container.graph-fullscreen .graph-breadcrumb{display:block}
.node-tooltip{
  position:fixed;z-index:1001;background:rgba(15,15,26,0.95);border:1px solid var(--border-light);
  border-radius:10px;padding:12px 16px;font-size:11px;color:var(--text);pointer-events:none;
  box-shadow:0 8px 40px rgba(0,0,0,0.6),0 0 1px rgba(52,211,153,0.2);max-width:320px;
  backdrop-filter:blur(20px);animation:tooltipIn .2s cubic-bezier(.22,1,.36,1);
}
@keyframes tooltipIn{from{opacity:0;transform:translateY(4px) scale(0.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.node-tooltip .nt-title{font-weight:700;color:var(--text-bright);margin-bottom:4px;font-size:12px}
.node-tooltip .nt-row{display:flex;justify-content:space-between;gap:12px;font-size:10px;padding:1px 0}
.node-tooltip .nt-label{color:var(--muted)}
.node-tooltip .nt-value{font-family:var(--mono);color:var(--green)}
.cg-node-count,.deps-node-val,.kg-node-val{
  font-family:var(--mono);
  font-weight:800;
  fill:rgba(255,255,255,0.85);
  paint-order:stroke;
  stroke:rgba(0,0,0,0.65);
  stroke-width:3px;
  pointer-events:none;
}
.cg-edge-label,.deps-edge-label,.kg-edge-label{
  font-family:var(--mono);
  font-size:10px;
  fill:rgba(255,255,255,0.40);
  paint-order:stroke;
  stroke:rgba(0,0,0,0.55);
  stroke-width:3px;
  pointer-events:none;
}

.detail-panel{
  position:fixed;top:0;right:-400px;width:400px;height:100vh;
  background:rgba(10,10,18,0.95);backdrop-filter:blur(24px);
  border-left:1px solid var(--border-light);
  z-index:300;transition:right .3s cubic-bezier(.22,1,.36,1);
  overflow-y:auto;padding:28px;box-shadow:-8px 0 40px rgba(0,0,0,0.4);
}
.detail-panel.open{right:0}
.detail-panel-close{
  position:absolute;top:14px;right:14px;background:var(--surface-2);border:1px solid var(--border);
  color:var(--muted);cursor:pointer;font-size:14px;padding:6px;transition:.15s;
  border-radius:6px;width:28px;height:28px;display:flex;align-items:center;justify-content:center;
}
.detail-panel-close:hover{color:var(--green);border-color:var(--green)}
.detail-panel h3{font-size:15px;font-weight:700;margin-bottom:20px;padding-right:40px;letter-spacing:-0.02em}
.detail-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:11px;gap:12px}
.detail-row .dl{color:var(--muted);flex-shrink:0}
.detail-row .dv{font-family:var(--mono);color:var(--text-bright);text-align:right}

.split-pane{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border-radius:var(--r);overflow:hidden}
.split-side{background:var(--surface);padding:20px;overflow:auto;max-height:600px}
.split-side pre{font-family:var(--mono);font-size:11px;line-height:1.7;white-space:pre-wrap;word-break:break-all;background:var(--surface-2);border-radius:8px;padding:16px;border:1px solid var(--border)}
.split-side h4{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:6px}

.mode-tabs{display:flex;gap:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:3px;margin-bottom:16px}
.mode-tab{
  flex:1;padding:10px 14px;text-align:center;border-radius:8px;
  font-size:11px;font-weight:500;color:var(--muted);cursor:pointer;transition:all .2s;border:1px solid transparent;
}
.mode-tab:hover{color:var(--text);background:rgba(255,255,255,0.02)}
.mode-tab.active{background:var(--green-dim);color:var(--green);border-color:var(--green-glow);box-shadow:0 0 8px rgba(52,211,153,0.1)}

.file-list{
  max-height:400px;overflow-y:auto;border:1px solid var(--border);
  border-radius:var(--rs);background:var(--surface);flex:1;
}
.file-item{
  padding:10px 16px;font-size:11px;font-family:var(--mono);cursor:pointer;
  border-bottom:1px solid var(--border);transition:all .15s;color:var(--muted);
}
.file-item:last-child{border-bottom:none}
.file-item:hover{background:var(--surface-2);color:var(--text);padding-left:20px}
.file-item.selected{background:var(--green-dim);color:var(--green);border-left:3px solid var(--green)}

.swimlane{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:18px 22px;margin-bottom:8px;display:flex;align-items:center;gap:18px;
  transition:all .2s;
}
.swimlane:hover{border-color:var(--border-light);transform:translateX(4px);box-shadow:0 2px 16px rgba(0,0,0,0.2)}
.agent-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0;transition:all .3s}
.agent-dot.active{background:var(--green);box-shadow:0 0 12px rgba(52,211,153,0.5);animation:p 2s ease infinite}
.agent-dot.idle{background:var(--yellow);box-shadow:0 0 8px rgba(251,191,36,0.3)}
.agent-dot.offline{background:var(--muted)}
.agent-info{flex:1;min-width:0}
.agent-name{font-size:13px;font-weight:600;color:var(--text-bright);letter-spacing:-0.01em}
.agent-meta{font-size:10px;color:var(--muted);font-family:var(--mono);margin-top:3px;line-height:1.5}

.search-input{
  width:100%;padding:12px 16px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--rs);color:var(--text);font-family:var(--mono);font-size:12px;
  outline:none;transition:all .2s;
}
.search-input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(52,211,153,0.1);background:var(--surface)}
.search-input::placeholder{color:var(--muted)}

.token-counter{
  font-size:clamp(36px,6vw,56px);font-weight:800;letter-spacing:-0.05em;color:var(--green);
  text-shadow:0 0 40px rgba(52,211,153,0.3),0 0 80px rgba(52,211,153,0.12);
  background:linear-gradient(135deg,var(--green),#6ee7b7);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  filter:drop-shadow(0 0 20px rgba(52,211,153,0.2));
  font-variant-numeric:tabular-nums;line-height:1;
}

[data-live]{transition:opacity .15s}[data-live].flash{opacity:.6}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.hero>*,.card{animation:fadeUp .4s ease both}
.hero>:nth-child(1){animation-delay:.03s}.hero>:nth-child(2){animation-delay:.06s}
.hero>:nth-child(3){animation-delay:.09s}.hero>:nth-child(4){animation-delay:.12s}

.update-banner{
  display:none;background:linear-gradient(135deg,#f59e0b22,#f59e0b11);
  border:1px solid #f59e0b44;border-radius:10px;padding:10px 20px;margin-bottom:16px;
  text-align:center;font-size:12px;color:#f59e0b;
}

.severity-critical{color:var(--red)}
.severity-warning{color:var(--yellow)}
.severity-info{color:var(--blue)}

@media(max-width:1024px){
  .hero{grid-template-columns:1fr 1fr}
  .r21,.r12,.r11,.r3{grid-template-columns:1fr}
  .r4{grid-template-columns:1fr 1fr}
  .buddy-card{flex-direction:column;text-align:center}
  .buddy-stats-grid{grid-template-columns:repeat(5,1fr)}
  .split-pane{grid-template-columns:1fr}
}
@media(max-width:768px){
  .sidebar{width:0;border:none}
  .sidebar:hover,.sidebar.pinned{width:var(--sidebar-exp)}
  .main{margin-left:0}
  .hero{grid-template-columns:1fr}
  .r4{grid-template-columns:1fr}
  .buddy-stats-grid{grid-template-columns:repeat(3,1fr)}
}
</style>
</head>
<body>
<div class="app-layout">
  <aside class="sidebar" id="sidebar">
    <div class="sidebar-logo">
      <svg viewBox="0 0 24 24" fill="none" stroke="var(--green)" stroke-width="2" stroke-linecap="round">
        <path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/>
      </svg>
      <span class="sidebar-logo-text">Lean<span>CTX</span></span>
    </div>
    <nav class="sidebar-nav" id="sidebarNav"></nav>
    <div class="sidebar-footer" id="sidebarVersion">v---</div>
  </aside>

  <main class="main" id="mainContent">
    <div class="content-container">
    <div class="topbar">
      <div style="display:flex;align-items:center;gap:12px">
        <span class="topbar-title" id="viewTitle">Overview</span>
        <span class="ver-badge" id="verBadge">v---</span>
      </div>
      <div class="topbar-actions">
        <button class="refresh-btn" id="refreshBtn" onclick="manualRefresh()" title="Refresh data">
          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" width="16" height="16"><polyline points="23 4 23 10 17 10"/><polyline points="1 20 1 14 7 14"/><path d="M3.51 9a9 9 0 0114.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0020.49 15"/></svg>
          <span class="refresh-label">Refresh</span>
        </button>
      </div>
    </div>
    <div id="updateBanner" class="update-banner">
      <strong>&#10227; Update available:</strong> <span id="ubCur"></span> &#8594; <strong><span id="ubNew"></span></strong>
      &#8212; run: <code style="background:#f59e0b22;padding:2px 8px;border-radius:4px;font-weight:600">lean-ctx update</code>
    </div>

    <section id="view-overview" class="view active"></section>
    <section id="view-live" class="view"></section>
    <section id="view-knowledge" class="view"></section>
    <section id="view-deps" class="view"></section>
    <section id="view-compression" class="view"></section>
    <section id="view-agents" class="view"></section>
    <section id="view-bugs" class="view"></section>
    <section id="view-search" class="view"></section>
    <section id="view-learning" class="view"></section>
    <section id="view-symbols" class="view"></section>
    <section id="view-callgraph" class="view"></section>
    <section id="view-routes" class="view"></section>
    <section id="view-contextlayer" class="view"></section>
      </div>
  </main>
</div>

<div class="detail-panel" id="detailPanel">
  <button class="detail-panel-close" onclick="closeDetail()">&times;</button>
  <div id="detailContent"></div>
</div>

<script>
const _origFetch = window.fetch;
window.fetch = function(url, opts) {
  if (window.__LEAN_CTX_TOKEN__ && typeof url === 'string' && url.startsWith('/api/')) {
    opts = opts || {};
    opts.headers = opts.headers || {};
    opts.headers['Authorization'] = 'Bearer ' + window.__LEAN_CTX_TOKEN__;
  }
  return _origFetch.call(this, url, opts);
};

const $ = id => document.getElementById(id);
const esc = s => { const d = document.createElement('div'); d.textContent = s; return d.innerHTML; };
const fmt = n => { if (n >= 1e6) return (n/1e6).toFixed(1)+'M'; if (n >= 1e3) return (n/1e3).toFixed(1)+'K'; return String(n); };
const ff = n => n.toLocaleString('en-US');
const pc = (a,b) => b > 0 ? Math.round(a/b*100) : 0;
const fu = a => '$' + a.toFixed(2);
const CM = { i: 2.50, o: 10.0, v: 450, c: 120 };
const isM = n => n.startsWith('ctx_');
const sb = n => isM(n) ? '<span class="tag tp">MCP</span>' : '<span class="tag tb">Hook</span>';

function gc(inp, out, n) {
  const iW = inp/1e6*CM.i, iC = out/1e6*CM.i;
  const saved = inp - out;
  const rate = inp > 0 ? saved / inp : 0;
  const eW = n*CM.v;
  const eC = rate > 0.01 ? n*CM.c : eW;
  const oW = eW/1e6*CM.o, oC = eC/1e6*CM.o;
  return { iW, iC, oW, oC, tW: iW+oW, tC: iC+oC, sv: iW+oW-iC-oC, os: eW-eC };
}
function ss(cmds) {
  let m = {c:0,i:0,o:0,s:0}, h = {c:0,i:0,o:0,s:0};
  for (const [n,s] of cmds) { const t = isM(n)?m:h; t.c+=s.count; t.i+=s.input_tokens; t.o+=s.output_tokens; t.s+=s.input_tokens-s.output_tokens; }
  return { m, h };
}
function fd(d,r) { return (!r || r===0) ? d : d.slice(-r); }

function lv(id, val) {
  const el = $(id); if (!el) return;
  const s = String(val); if (el.textContent === s) return;
  el.textContent = s; el.classList.add('flash'); setTimeout(() => el.classList.remove('flash'), 200);
}

const VIEWS = [
  { id:'overview',    label:'Overview',        icon:'<path d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-4 0a1 1 0 01-1-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 01-1 1"/>' },
  { id:'live',        label:'Live Observatory', icon:'<circle cx="12" cy="12" r="3"/><path d="M19.4 15a1.65 1.65 0 00.33 1.82l.06.06a2 2 0 01-2.83 2.83l-.06-.06a1.65 1.65 0 00-1.82-.33 1.65 1.65 0 00-1 1.51V21a2 2 0 01-4 0v-.09A1.65 1.65 0 009 19.4a1.65 1.65 0 00-1.82.33l-.06.06a2 2 0 01-2.83-2.83l.06-.06A1.65 1.65 0 004.68 15a1.65 1.65 0 00-1.51-1H3a2 2 0 010-4h.09A1.65 1.65 0 004.6 9a1.65 1.65 0 00-.33-1.82l-.06-.06a2 2 0 012.83-2.83l.06.06A1.65 1.65 0 009 4.68a1.65 1.65 0 001-1.51V3a2 2 0 014 0v.09a1.65 1.65 0 001 1.51 1.65 1.65 0 001.82-.33l.06-.06a2 2 0 012.83 2.83l-.06.06A1.65 1.65 0 0019.4 9a1.65 1.65 0 001.51 1H21a2 2 0 010 4h-.09a1.65 1.65 0 00-1.51 1z"/>' },
  { id:'knowledge',   label:'Knowledge Graph', icon:'<circle cx="12" cy="5" r="3"/><circle cx="5" cy="19" r="3"/><circle cx="19" cy="19" r="3"/><line x1="12" y1="8" x2="5" y2="16"/><line x1="12" y1="8" x2="19" y2="16"/>' },
  { id:'deps',        label:'Dependency Map',  icon:'<polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/><line x1="14" y1="4" x2="10" y2="20"/>' },
  { id:'compression', label:'Compression Lab', icon:'<rect x="4" y="4" width="16" height="16" rx="2"/><line x1="4" y1="10" x2="20" y2="10"/><line x1="10" y1="4" x2="10" y2="20"/>' },
  { id:'agents',      label:'Agent World',     icon:'<path d="M17 21v-2a4 4 0 00-4-4H5a4 4 0 00-4 4v2"/><circle cx="9" cy="7" r="4"/><path d="M23 21v-2a4 4 0 00-3-3.87"/><path d="M16 3.13a4 4 0 010 7.75"/>' },
  { id:'bugs',        label:'Bug Memory',      icon:'<path d="M12 2a3 3 0 00-3 3v1H6a2 2 0 00-2 2v1h16V8a2 2 0 00-2-2h-3V5a3 3 0 00-3-3z"/><rect x="4" y="9" width="16" height="12" rx="2"/><line x1="9" y1="13" x2="15" y2="13"/><line x1="9" y1="17" x2="15" y2="17"/>' },
  { id:'search',      label:'Search Explorer', icon:'<circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/>' },
  { id:'learning',    label:'Learning Curves', icon:'<polyline points="22 12 18 12 15 21 9 3 6 12 2 12"/>' },
  { id:'symbols',     label:'Symbol Explorer', icon:'<path d="M20 7h-7L10 4H4a2 2 0 00-2 2v12a2 2 0 002 2h16a2 2 0 002-2V9a2 2 0 00-2-2z"/>' },
  { id:'callgraph',   label:'Call Graph',      icon:'<circle cx="6" cy="6" r="3"/><circle cx="18" cy="18" r="3"/><circle cx="18" cy="6" r="3"/><line x1="8.5" y1="7.5" x2="15.5" y2="16.5"/><line x1="8.5" y1="6" x2="15.5" y2="6"/>' },
  { id:'routes',      label:'Route Map',       icon:'<path d="M22 12h-4l-3 9L9 3l-3 9H2"/>' },
  { id:'contextlayer', label:'Context Layer',  icon:'<path d="M12 2L2 7l10 5 10-5-10-5z"/><path d="M2 17l10 5 10-5"/><path d="M2 12l10 5 10-5"/>' },
];

let currentView = 'overview';
let charts = {};
let overviewBuilt = false;
let overviewRaw = null;
let pulseHash = null;
let pulseInterval = null;
let knowledgeShowValues = true;
let depsShowValues = true;
let callGraphShowValues = true;
let overviewGain = null;
let overviewCR = 0;
let overviewTF = 0;
let overviewShowAll = false;
let overviewPH = '';
let liveInterval = null;
let liveTotalTokens = 0;
let liveFilter = 'all';

function buildSidebar() {
  const nav = $('sidebarNav');
  nav.innerHTML = VIEWS.map(v =>
    `<div class="nav-item${v.id === currentView ? ' active' : ''}" data-view="${v.id}" tabindex="0" onclick="switchView('${v.id}')">
      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">${v.icon}</svg>
      <span class="nav-label">${v.label}</span>
    </div>`
  ).join('');
  nav.querySelectorAll('.nav-item').forEach(item => {
    item.addEventListener('keydown', e => {
      const items = [...nav.querySelectorAll('.nav-item')];
      const idx = items.indexOf(item);
      if (e.key === 'ArrowDown' && idx < items.length - 1) { e.preventDefault(); items[idx + 1].focus(); }
      else if (e.key === 'ArrowUp' && idx > 0) { e.preventDefault(); items[idx - 1].focus(); }
      else if (e.key === 'Enter') { e.preventDefault(); switchView(item.dataset.view); }
    });
  });
}

function stopActiveSimulations() {
  if (knowledgeSimulation) { knowledgeSimulation.stop(); }
  if (depsSimulation) { depsSimulation.stop(); }
  const cgViz = $('cgViz');
  if (cgViz && cgViz._sim) { cgViz._sim.stop(); }
}

function switchView(name) {
  if (currentView === name) return;
  stopActiveSimulations();
  currentView = name;
  document.querySelectorAll('.view').forEach(el => el.classList.remove('active'));
  const target = $('view-' + name);
  if (target) target.classList.add('active');
  document.querySelectorAll('.nav-item').forEach(el => el.classList.toggle('active', el.dataset.view === name));
  const viewDef = VIEWS.find(v => v.id === name);
  $('viewTitle').textContent = viewDef ? viewDef.label : name;
  if (name === 'live') startLivePolling();
  else stopLivePolling();
  loadCurrentView();
}

function loadCurrentView() {
  const loaders = {
    overview: loadOverview,
    live: loadLive,
    knowledge: loadKnowledge,
    deps: loadDeps,
    compression: loadCompression,
    agents: loadAgents,
    bugs: loadBugs,
    search: loadSearch,
    learning: loadLearning,
    symbols: loadSymbols,
    callgraph: loadCallGraph,
    routes: loadRoutes,
    contextlayer: loadContextLayer,
  };
  if (loaders[currentView]) {
    const result = loaders[currentView]();
    if (result && typeof result.then === 'function') {
      result.then(() => setTimeout(injectExpandButtons, 100));
    } else {
      setTimeout(injectExpandButtons, 100);
    }
  }
}

function manualRefresh() {
  const btn = $('refreshBtn');
  btn.classList.add('spinning');
  btn.classList.remove('has-update');
  setTimeout(() => btn.classList.remove('spinning'), 600);
  loadCurrentView();
}

async function checkPulse() {
  try {
    const res = await fetch('/api/pulse');
    if (!res.ok) return;
    const data = await res.json();
    if (pulseHash !== null && data.hash !== pulseHash) {
      $('refreshBtn').classList.add('has-update');
    }
    pulseHash = data.hash;
  } catch {}
}

function startPulsePolling() {
  if (pulseInterval) clearInterval(pulseInterval);
  pulseInterval = setInterval(checkPulse, 10000);
}

function startLivePolling() { if (liveInterval) clearInterval(liveInterval); liveInterval = setInterval(loadLive, 2000); }
function stopLivePolling() { if (liveInterval) { clearInterval(liveInterval); liveInterval = null; } }

function openFullscreen(card) {
  if (document.querySelector('.card-fullscreen')) return;
  const backdrop = document.createElement('div');
  backdrop.className = 'fullscreen-backdrop';
  backdrop.onclick = closeFullscreen;
  document.body.appendChild(backdrop);

  const clone = card.cloneNode(true);
  clone.className = 'card card-fullscreen';
  const closeBtn = document.createElement('button');
  closeBtn.className = 'close-fs';
  closeBtn.innerHTML = '&#10005;';
  closeBtn.onclick = closeFullscreen;
  clone.prepend(closeBtn);

  const origCanvas = card.querySelector('canvas');
  if (origCanvas) {
    const chart = Object.values(charts).find(c => c.canvas === origCanvas);
    if (chart) {
      const newCanvas = clone.querySelector('canvas');
      if (newCanvas) {
        newCanvas.style.maxHeight = 'none';
        newCanvas.style.height = 'calc(100vh - 120px)';
        new Chart(newCanvas, {
          type: chart.config.type,
          data: JSON.parse(JSON.stringify(chart.data)),
          options: { ...JSON.parse(JSON.stringify(chart.options)), maintainAspectRatio: false }
        });
      }
    }
  }

  const origSvg = card.querySelector('svg:not(.expand-btn svg)');
  if (origSvg && origSvg.classList.contains('d3-graph')) {
    const newSvg = clone.querySelector('svg.d3-graph');
    if (newSvg) {
      newSvg.setAttribute('width', '100%');
      newSvg.setAttribute('height', `${window.innerHeight - 120}`);
    }
  }

  document.body.appendChild(clone);
  document.body.style.overflow = 'hidden';
}

function closeFullscreen() {
  const backdrop = document.querySelector('.fullscreen-backdrop');
  const fs = document.querySelector('.card-fullscreen');
  if (backdrop) backdrop.remove();
  if (fs) {
    const fsCanvas = fs.querySelectorAll('canvas');
    fsCanvas.forEach(c => {
      const chartInstance = Chart.getChart(c);
      if (chartInstance) chartInstance.destroy();
    });
    fs.remove();
  }
  document.body.style.overflow = '';
}

document.addEventListener('keydown', e => {
  if (e.key === 'Escape') {
    const fsGraph = document.querySelector('.d3-container.graph-fullscreen');
    if (fsGraph) { toggleGraphFullscreen(fsGraph.id); return; }
    closeFullscreen();
  }
  if (e.key === 'f' && !e.ctrlKey && !e.metaKey && !e.altKey && document.activeElement.tagName !== 'INPUT' && document.activeElement.tagName !== 'TEXTAREA') {
    const activeView = document.querySelector('.view.active');
    if (activeView) {
      const graphContainer = activeView.querySelector('.d3-container');
      if (graphContainer) toggleGraphFullscreen(graphContainer.id);
    }
  }
  if (e.key === 'r' && !e.ctrlKey && !e.metaKey && !e.altKey && document.activeElement.tagName !== 'INPUT' && document.activeElement.tagName !== 'TEXTAREA') {
    manualRefresh();
  }
});

function injectExpandButtons() {
  document.querySelectorAll('.card').forEach(card => {
    if (card.classList.contains('card-fullscreen')) return;
    if (card.querySelector('.expand-btn')) return;
    const hasCanvas = card.querySelector('canvas');
    const hasSvg = card.querySelector('svg.d3-graph');
    if (!hasCanvas && !hasSvg) return;
    const h3 = card.querySelector('h3');
    if (!h3) return;
    const wrapper = document.createElement('div');
    wrapper.className = 'card-header';
    h3.parentNode.insertBefore(wrapper, h3);
    wrapper.appendChild(h3);
    const btn = document.createElement('button');
    btn.className = 'expand-btn';
    btn.title = 'Fullscreen';
    btn.innerHTML = '<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="14" height="14"><polyline points="15 3 21 3 21 9"/><polyline points="9 21 3 21 3 15"/><line x1="21" y1="3" x2="14" y2="10"/><line x1="3" y1="21" x2="10" y2="14"/></svg>';
    btn.onclick = (e) => { e.stopPropagation(); openFullscreen(card); };
    wrapper.appendChild(btn);
    card.addEventListener('dblclick', () => openFullscreen(card));
  });
}

function closeDetail() { $('detailPanel').classList.remove('open'); }

let tooltipEl = null;
function showTooltip(e, html) {
  if (!tooltipEl) { tooltipEl = document.createElement('div'); tooltipEl.className = 'node-tooltip'; document.body.appendChild(tooltipEl); }
  tooltipEl.innerHTML = html;
  tooltipEl.style.display = 'block';
  moveTooltip(e);
}
function moveTooltip(e) {
  if (!tooltipEl) return;
  tooltipEl.style.left = (e.clientX + 14) + 'px';
  tooltipEl.style.top = (e.clientY - 10) + 'px';
}
function hideTooltip() { if (tooltipEl) tooltipEl.style.display = 'none'; }

function zoomGraph(sim, containerId, factor) {
  const el = $(containerId);
  if (!el || !el._svg || !el._zoom) return;
  el._svg.transition().duration(400).ease(d3.easeCubicOut).call(el._zoom.scaleBy, factor);
}
function resetGraph(sim, containerId) {
  const el = $(containerId);
  if (!el || !el._svg || !el._zoom) return;
  el._svg.transition().duration(600).ease(d3.easeCubicInOut).call(el._zoom.transform, d3.zoomIdentity);
}

function toggleGraphFullscreen(containerId) {
  const el = $(containerId);
  if (!el) return;
  const isFs = el.classList.contains('graph-fullscreen');
  if (isFs) {
    el.classList.remove('graph-fullscreen');
    document.body.style.overflow = '';
    const btn = el.querySelector('.fs-toggle-btn');
    if (btn) { btn.innerHTML = '⛶'; btn.title = 'Fullscreen'; }
    if (el._svg && el._zoom) {
      const w = el.clientWidth, h = el.clientHeight || 500;
      el._svg.attr('width', w).attr('height', h);
      el._svg.transition().duration(400).call(el._zoom.transform, d3.zoomIdentity);
    }
  } else {
    el.classList.add('graph-fullscreen');
    document.body.style.overflow = 'hidden';
    const btn = el.querySelector('.fs-toggle-btn');
    if (btn) { btn.innerHTML = '⊠'; btn.title = 'Exit Fullscreen'; }
    if (el._svg && el._zoom) {
      const w = window.innerWidth, h = window.innerHeight;
      el._svg.attr('width', w).attr('height', h);
      el._svg.transition().duration(400).call(el._zoom.transform, d3.zoomIdentity);
    }
  }
  updateMinimap(containerId);
}

function updateMinimap(containerId) {
  const el = $(containerId);
  if (!el || !el.classList.contains('graph-fullscreen')) return;
  const minimap = el.querySelector('.graph-minimap canvas');
  if (!minimap) return;
  const ctx2d = minimap.getContext('2d');
  const mw = minimap.width = 160, mh = minimap.height = 100;
  ctx2d.clearRect(0, 0, mw, mh);
  const svgEl = el.querySelector('svg.d3-graph');
  if (!svgEl) return;
  const allCircles = svgEl.querySelectorAll('circle');
  const circles = [...allCircles].filter(c => {
    const opacity = parseFloat(c.getAttribute('fill-opacity') || c.style.fillOpacity || '1');
    return opacity > 0.3 && !c.style.pointerEvents;
  });
  if (!circles.length) return;
  let minX = Infinity, minY = Infinity, maxX = -Infinity, maxY = -Infinity;
  circles.forEach(c => {
    const cx = parseFloat(c.getAttribute('cx') || 0), cy = parseFloat(c.getAttribute('cy') || 0);
    if (isNaN(cx) || isNaN(cy)) return;
    minX = Math.min(minX, cx); minY = Math.min(minY, cy);
    maxX = Math.max(maxX, cx); maxY = Math.max(maxY, cy);
  });
  if (!isFinite(minX)) return;
  const pad = 50;
  minX -= pad; minY -= pad; maxX += pad; maxY += pad;
  const rangeX = maxX - minX || 1, rangeY = maxY - minY || 1;
  const scaleX = mw / rangeX, scaleY = mh / rangeY;
  const scale = Math.min(scaleX, scaleY);
  const offX = (mw - rangeX * scale) / 2, offY = (mh - rangeY * scale) / 2;
  ctx2d.globalAlpha = 0.7;
  circles.forEach(c => {
    const cx = parseFloat(c.getAttribute('cx') || 0), cy = parseFloat(c.getAttribute('cy') || 0);
    const r = parseFloat(c.getAttribute('r') || 2);
    if (isNaN(cx) || isNaN(cy)) return;
    const fill = c.getAttribute('fill') || '#6b6b88';
    if (fill.startsWith('url(')) return;
    ctx2d.fillStyle = fill;
    ctx2d.beginPath();
    ctx2d.arc(offX + (cx - minX) * scale, offY + (cy - minY) * scale, Math.max(r * scale * 0.4, 1.2), 0, Math.PI * 2);
    ctx2d.fill();
  });
}

function toggleCallGraphValues() {
  callGraphShowValues = !callGraphShowValues;
  applyCallGraphValuesState();
}

function applyCallGraphValuesState() {
  const host = $('cgViz');
  if (!host) return;
  host.querySelectorAll('.cg-node-count,.cg-edge-label').forEach(n => {
    n.style.display = callGraphShowValues ? '' : 'none';
  });
  const btn = host.querySelector('#cgValBtn');
  if (btn) btn.classList.toggle('active', callGraphShowValues);
}

function toggleDepsValues() {
  depsShowValues = !depsShowValues;
  applyDepsValuesState();
}

function applyDepsValuesState() {
  const host = $('depsGraph');
  if (!host) return;
  host.querySelectorAll('.deps-node-val').forEach(n => {
    n.style.display = depsShowValues ? '' : 'none';
  });
  const btn = host.querySelector('#depsValBtn');
  if (btn) btn.classList.toggle('active', depsShowValues);
}

function toggleKnowledgeValues() {
  knowledgeShowValues = !knowledgeShowValues;
  applyKnowledgeValuesState();
}

function applyKnowledgeValuesState() {
  const host = $('knowledgeGraph');
  if (!host) return;
  host.querySelectorAll('.kg-node-val').forEach(n => {
    n.style.display = knowledgeShowValues ? '' : 'none';
  });
  const btn = host.querySelector('#kgValBtn');
  if (btn) btn.classList.toggle('active', knowledgeShowValues);
}

function howItWorks(title, content) {
  return `<div class="how-it-works">
    <button class="how-toggle" onclick="this.classList.toggle('open');this.nextElementSibling.classList.toggle('open')">
      <svg width="12" height="12" viewBox="0 0 12 12" fill="none" stroke="currentColor" stroke-width="2"><polyline points="4,2 8,6 4,10"/></svg>
      How it works: ${esc(title)}
    </button>
    <div class="how-content">${content}</div>
  </div>`;
}

function showLoading(container) { container.innerHTML = '<div class="loading-state">Loading...</div>'; }
function showEmpty(container, msg) { container.innerHTML = `<div class="empty-state"><h2>No data yet</h2><p>${msg}</p></div>`; }
function showError(container, msg) { container.innerHTML = `<div class="empty-state"><h2>Connection Error</h2><p>${esc(msg)}</p></div>`; }
function showGuidedEmpty(container, title, msg, hints, actionLabel, actionJs) {
  const hintList = (hints || []).length
    ? `<ul style="margin:14px auto 0;max-width:560px;text-align:left;color:var(--muted);font-size:12px;line-height:1.7;padding-left:18px">${hints.map(h => `<li>${esc(h)}</li>`).join('')}</ul>`
    : '';
  const action = actionLabel && actionJs
    ? `<div style="margin-top:16px"><button class="btn" onclick="${actionJs}">${esc(actionLabel)}</button></div>`
    : '';
  container.innerHTML = `<div class="empty-state"><h2>${esc(title)}</h2><p>${esc(msg)}</p>${hintList}${action}</div>`;
}

const retryTimers = new Map();
const retryDelays = new Map();
function scheduleRetry(view, fn) {
  if (retryTimers.get(view)) return;
  const d = retryDelays.get(view) || 1000;
  retryDelays.set(view, Math.min(15000, Math.round(d * 1.7)));
  retryTimers.set(view, setTimeout(() => {
    retryTimers.delete(view);
    if (currentView === view) fn();
  }, d));
}
function resetRetry(view) {
  retryDelays.set(view, 1000);
  const t = retryTimers.get(view);
  if (t) { clearTimeout(t); retryTimers.delete(view); }
}
function isBuildingData(d) { return d && d.status === 'building'; }
function showIndexing(container, msg, view, fn) { showEmpty(container, msg); scheduleRetry(view, fn); }

const inFlight = new Map();
async function apiFetch(path, opts) {
  const timeoutMs = (opts && opts.timeoutMs) ?? (
    path.startsWith('/api/graph') || path.startsWith('/api/search-index') ? 8000 : 3000
  );
  const ctrl = new AbortController();
  const t = setTimeout(() => ctrl.abort(), timeoutMs);
  try {
    const r = await fetch(path, { signal: ctrl.signal, cache: 'no-store' });
    if (!r.ok) throw new Error(`HTTP ${r.status}`);
    return r.json();
  } catch (e) {
    if (e && e.name === 'AbortError') throw new Error('timeout');
    throw e;
  } finally {
    clearTimeout(t);
  }
}

function chartDefaults() {
  return {
    responsive: true, maintainAspectRatio: true,
    animation: { duration: 500, easing: 'easeOutQuart' },
    plugins: { legend: { display: false }, valueLabel: { enabled: false, maxPoints: 16, format: 'fmt' } },
    scales: {
      x: { ticks: { color: '#6b6b88', font: { size: 8 } }, grid: { color: 'rgba(255,255,255,0.025)' }, border: { display: false } },
      y: { ticks: { color: '#6b6b88', font: { size: 8 }, callback: v => fmt(v) }, grid: { color: 'rgba(255,255,255,0.025)' }, border: { display: false } },
    },
  };
}

// Chart.js plugin: draw value labels directly on charts (small datasets only)
const valueLabelPlugin = {
  id: 'valueLabel',
  afterDatasetsDraw(chart, args, opts) {
    const o = opts || {};
    if (!o.enabled) return;
    const maxPoints = o.maxPoints || 16;
    const type = chart.config.type || '';
    const { ctx } = chart;
    if (!ctx) return;

    const ds0 = (chart.data && chart.data.datasets && chart.data.datasets[0]) ? chart.data.datasets[0] : null;
    if (ds0 && Array.isArray(ds0.data) && ds0.data.length > maxPoints) return;

    const toText = (v) => {
      if (v == null) return '';
      if (typeof v === 'number') return (o.format === 'raw') ? String(v) : fmt(Math.round(v));
      return String(v);
    };

    ctx.save();
    ctx.font = '800 10px ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace';
    ctx.fillStyle = 'rgba(255,255,255,0.65)';
    ctx.strokeStyle = 'rgba(0,0,0,0.55)';
    ctx.lineWidth = 3;
    ctx.textAlign = 'center';
    ctx.textBaseline = 'middle';

    chart.data.datasets.forEach((ds, i) => {
      const meta = chart.getDatasetMeta(i);
      if (!meta || meta.hidden) return;
      (meta.data || []).forEach((el, idx) => {
        const v = ds.data ? ds.data[idx] : null;
        const text = toText(v);
        if (!text) return;
        const p = el.tooltipPosition();
        let x = p.x, y = p.y;
        if (type === 'bar') y -= 10;
        if (type === 'line') y -= 14;
        ctx.strokeText(text, x, y);
        ctx.fillText(text, x, y);
      });
    });
    ctx.restore();
  }
};
Chart.register(valueLabelPlugin);

async function loadOverview() {
  const container = $('view-overview');
  try {
    const [stats, gain, buddy, gotchas, version] = await Promise.all([
      apiFetch('/api/stats').catch(() => null),
      apiFetch('/api/gain').catch(() => null),
      apiFetch('/api/buddy').catch(() => null),
      apiFetch('/api/gotchas').catch(() => null),
      apiFetch('/api/version').catch(() => null),
    ]);

    if (version && version.current) {
      $('verBadge').textContent = 'v' + version.current;
      $('sidebarVersion').textContent = 'v' + version.current;
    }
    if (version && version.update_available) {
      $('ubCur').textContent = 'v' + version.current;
      $('ubNew').textContent = 'v' + version.latest;
      $('updateBanner').style.display = 'block';
    }

    overviewRaw = stats;
    overviewGain = gain;
    if (!stats || !stats.total_commands) {
      showEmpty(container, 'Start using LeanCTX tools (ctx_read, ctx_shell, etc.) in your IDE to see savings here.');
      overviewBuilt = false;
      return;
    }

    if (!overviewBuilt) buildOverview(container);
    updateOverview(stats, gain);
    renderBuddy(buddy);
  } catch (e) {
    showError(container, 'Dashboard API not responding. Make sure lean-ctx dashboard is running.');
  }
}

function setOverviewTF(days) {
  overviewTF = days;
  document.querySelectorAll('.tf-btn').forEach(b => b.classList.toggle('active', Number(b.dataset.tf) === days));
  if (overviewRaw) { overviewPH = ''; updateOverview(overviewRaw, overviewGain); }
}

function buildOverview(container) {
  container.innerHTML = `
    <div class="tf-bar">
      <button class="tf-btn${overviewTF===7?' active':''}" data-tf="7" onclick="setOverviewTF(7)">7d</button>
      <button class="tf-btn${overviewTF===30?' active':''}" data-tf="30" onclick="setOverviewTF(30)">30d</button>
      <button class="tf-btn${overviewTF===90?' active':''}" data-tf="90" onclick="setOverviewTF(90)">90d</button>
      <button class="tf-btn${overviewTF===0?' active':''}" data-tf="0" onclick="setOverviewTF(0)">All</button>
    </div>
    <div class="hero">
      <div class="hero-main">
        <div class="hv" data-live id="vSaved"></div>
        <div class="hl">Total Tokens Saved</div>
        <div class="hs"><b data-live id="vSavedIn"></b> input tokens compressed<br><b data-live id="vSavedOut"></b> output tokens reduced via Gain compression</div>
      </div>
      <div class="hc"><div class="hv" data-live id="vCost" style="color:var(--yellow)"></div><div class="hl">Cost Saved</div><div class="hs" data-live id="vCostSub"></div></div>
      <div class="hc"><div class="hv" data-live id="vRate" style="color:var(--purple)"></div><div class="hl">Compression</div><div class="hs" data-live id="vRateSub"></div></div>
      <div class="hc">
        <div style="display:flex;align-items:center;gap:12px">
          <div class="stat-gauge" style="width:42px;height:42px;margin:0">
            <svg viewBox="0 0 36 36">
              <circle class="bg" cx="18" cy="18" r="15.9"/>
              <circle class="fg" id="gGainRing" cx="18" cy="18" r="15.9" stroke="var(--green)" stroke-dasharray="100" stroke-dashoffset="100"/>
            </svg>
          </div>
          <div style="min-width:0">
            <div class="hv" data-live id="vGain" style="color:var(--green)"></div>
            <div class="hl">Gain Score</div>
            <div class="hs" data-live id="vGainSub"></div>
          </div>
        </div>
      </div>
      <div class="hc"><div class="hv" data-live id="vCalls" style="color:var(--blue)"></div><div class="hl">Total Calls</div><div class="hs" data-live id="vCallsSub"></div></div>
    </div>
    <div class="row r1" id="buddySection" style="display:none">
      <div class="buddy-card" id="buddyCard">
        <div class="buddy-sprite" id="buddySpriteWrap"><pre id="buddyAscii"></pre></div>
        <div class="buddy-info">
          <div class="buddy-name"><span id="buddyName"></span><span class="rarity-badge" id="buddyRarityBadge"></span></div>
          <div class="buddy-meta"><span id="buddySpecies"></span> &middot; Lv.<span id="buddyLevel"></span> &middot; <span class="mood-dot" id="buddyMoodDot"></span> <span id="buddyMood"></span> &middot; <span id="buddyStreak"></span> days streak</div>
          <div class="xp-wrap"><div class="xp-label"><span>XP <span id="buddyXp">0</span></span><span>Next Lv. <span id="buddyXpNext">0</span></span></div><div class="xp-track"><div class="xp-fill" id="buddyXpBar" style="width:0%"></div></div></div>
          <div class="buddy-stats-grid">
            <div class="stat-cell"><div class="stat-label">CMP</div><div class="stat-gauge"><svg viewBox="0 0 36 36"><circle class="bg" cx="18" cy="18" r="15.9"/><circle class="fg" id="sgComp" cx="18" cy="18" r="15.9" stroke="var(--green)" stroke-dasharray="100" stroke-dashoffset="100"/></svg></div><div class="stat-val" style="color:var(--green)" id="bsComp">0</div></div>
            <div class="stat-cell"><div class="stat-label">VIG</div><div class="stat-gauge"><svg viewBox="0 0 36 36"><circle class="bg" cx="18" cy="18" r="15.9"/><circle class="fg" id="sgVig" cx="18" cy="18" r="15.9" stroke="var(--yellow)" stroke-dasharray="100" stroke-dashoffset="100"/></svg></div><div class="stat-val" style="color:var(--yellow)" id="bsVig">0</div></div>
            <div class="stat-cell"><div class="stat-label">END</div><div class="stat-gauge"><svg viewBox="0 0 36 36"><circle class="bg" cx="18" cy="18" r="15.9"/><circle class="fg" id="sgEnd" cx="18" cy="18" r="15.9" stroke="var(--purple)" stroke-dasharray="100" stroke-dashoffset="100"/></svg></div><div class="stat-val" style="color:var(--purple)" id="bsEnd">0</div></div>
            <div class="stat-cell"><div class="stat-label">WIS</div><div class="stat-gauge"><svg viewBox="0 0 36 36"><circle class="bg" cx="18" cy="18" r="15.9"/><circle class="fg" id="sgWis" cx="18" cy="18" r="15.9" stroke="var(--blue)" stroke-dasharray="100" stroke-dashoffset="100"/></svg></div><div class="stat-val" style="color:var(--blue)" id="bsWis">0</div></div>
            <div class="stat-cell"><div class="stat-label">EXP</div><div class="stat-gauge"><svg viewBox="0 0 36 36"><circle class="bg" cx="18" cy="18" r="15.9"/><circle class="fg" id="sgExp" cx="18" cy="18" r="15.9" stroke="var(--text)" stroke-dasharray="100" stroke-dashoffset="100"/></svg></div><div class="stat-val" id="bsExp">0</div></div>
          </div>
          <div class="buddy-speech" id="buddySpeech"></div>
        </div>
      </div>
    </div>
    <div class="row r21">
      <div class="card"><h3>Cumulative Token Savings</h3><canvas id="cCum"></canvas></div>
      <div class="card">
        <h3>Cost Analysis <span class="badge" data-live id="vCostBadge"></span></h3>
        <div class="cost-row">
          <div class="cost-box bad"><div class="amt" data-live id="vCW" style="color:var(--red)"></div><div class="lb">Without</div></div>
          <div class="cost-arrow">&#8594;</div>
          <div class="cost-box good"><div class="amt" data-live id="vCC" style="color:var(--green)"></div><div class="lb">With</div></div>
        </div>
        <div class="cost-detail">
          <div class="cd-item"><div class="v" data-live id="vIS" style="color:var(--purple)"></div><div class="l">Input Saved</div></div>
          <div class="cd-item"><div class="v" data-live id="vOS" style="color:var(--pink)"></div><div class="l">Output Saved</div></div>
        </div>
        <div style="text-align:center;margin-top:8px;font-size:8px;color:var(--muted)">~<span data-live id="vOT"></span> output tokens reduced via Gain compression</div>
      </div>
    </div>
    <div class="row r4">
      <div class="card"><h3>Daily Activity</h3><canvas id="cDay"></canvas></div>
      <div class="card"><h3>Savings Rate</h3><canvas id="cRate"></canvas></div>
      <div class="card">
        <h3>MCP vs Shell Hook</h3>
        <canvas id="cPie" style="max-height:140px"></canvas>
        <div class="src-grid" style="margin-top:10px">
          <div class="src-item"><h4><span class="d" style="background:var(--purple)"></span>MCP Tools</h4><div class="sr"><span class="sl">Calls</span><span class="sv" data-live id="vMC"></span></div><div class="sr"><span class="sl">Saved</span><span class="sv" style="color:var(--green)" data-live id="vMS"></span></div><div class="sr"><span class="sl">Rate</span><span class="sv" style="color:var(--purple)" data-live id="vMR"></span></div></div>
          <div class="src-item"><h4><span class="d" style="background:var(--blue)"></span>Shell Hook</h4><div class="sr"><span class="sl">Calls</span><span class="sv" data-live id="vHC"></span></div><div class="sr"><span class="sl">Saved</span><span class="sv" style="color:var(--green)" data-live id="vHS"></span></div><div class="sr"><span class="sl">Rate</span><span class="sv" style="color:var(--blue)" data-live id="vHR"></span></div></div>
        </div>
      </div>
      <div class="card"><h3>Task Breakdown</h3><canvas id="cTasks" style="max-height:140px"></canvas></div>
    </div>
    <div class="row r1">
      <div class="card">
        <h3>Command Breakdown</h3>
        <div style="overflow-x:auto"><table><thead><tr><th>Source</th><th>Command</th><th class="r">Count</th><th class="r">Input</th><th class="r">Output</th><th class="r">Saved</th><th class="r">Rate</th><th style="width:90px"></th></tr></thead><tbody id="tC"></tbody></table></div>
        <div style="text-align:center"><button class="btn" style="margin-top:8px" id="cTog" onclick="toggleCmds()"></button></div>
      </div>
    </div>`;
  overviewBuilt = true;
}

function filterDailyByDays(daily, days) {
  if (!days) return daily;
  const cutoff = new Date();
  cutoff.setDate(cutoff.getDate() - days);
  const cutStr = cutoff.toISOString().slice(0, 10);
  return daily.filter(d => d.date >= cutStr);
}

function updateOverview(d, gain) {
  const allDaily = d.daily || [];
  const daily = overviewTF ? filterDailyByDays(allDaily, overviewTF) : fd(allDaily, overviewCR);

  const tfInp = daily.reduce((a, x) => a + (x.input_tokens || 0), 0);
  const tfOut = daily.reduce((a, x) => a + (x.output_tokens || 0), 0);
  const tfCmds = daily.reduce((a, x) => a + (x.commands || 0), 0);
  const iSv = tfInp - tfOut;
  const co = gc(tfInp, tfOut, tfCmds);
  const rate = pc(iSv, tfInp);
  const cmds = Object.entries(d.commands || {});
  cmds.sort((a,b) => (b[1].input_tokens-b[1].output_tokens) - (a[1].input_tokens-a[1].output_tokens));
  const sp = ss(cmds);
  let fu1 = '---'; if (d.first_use) fu1 = d.first_use.substring(0,10);

  lv('vSaved', fmt(iSv)); lv('vSavedIn', ff(iSv)); lv('vSavedOut', '~'+fmt(co.os));
  lv('vCost', fu(co.sv)); lv('vCostSub', 'input '+fu(co.iW-co.iC)+' \u00B7 output '+fu(co.oW-co.oC));
  lv('vRate', rate+'%'); lv('vRateSub', fmt(tfInp)+' \u2192 '+fmt(tfOut));
  lv('vCalls', ff(tfCmds)); lv('vCallsSub', daily.length+' days \u00B7 since '+fu1);
  if (gain && gain.summary && gain.summary.score) {
    const s = gain.summary;
    lv('vGain', String(s.score.total));
    lv('vGainSub', 'cmp '+s.score.compression+' \u00B7 cost '+s.score.cost_efficiency+' \u00B7 qual '+s.score.quality+' \u00B7 cons '+s.score.consistency);
    const ring = $('gGainRing');
    if (ring) ring.style.strokeDashoffset = String(Math.max(0, 100 - Number(s.score.total||0)));
    if (s.model && s.model.cost) {
      lv('vCostBadge', `$${(s.model.cost.input_per_m||0).toFixed(2)}/M in \u00B7 $${(s.model.cost.output_per_m||0).toFixed(2)}/M out`);
    }
  } else {
    lv('vGain', '—');
    lv('vGainSub', 'no gain data yet');
    lv('vCostBadge', '$2.50/M in \u00B7 $10/M out');
    const ring = $('gGainRing');
    if (ring) ring.style.strokeDashoffset = '100';
  }
  lv('vCW', fu(co.tW)); lv('vCC', fu(co.tC));
  lv('vIS', fu(co.iW-co.iC)); lv('vOS', fu(co.oW-co.oC)); lv('vOT', fmt(co.os));
  lv('vMC', ff(sp.m.c)); lv('vMS', fmt(sp.m.s)); lv('vMR', pc(sp.m.s,sp.m.i)+'%');
  lv('vHC', ff(sp.h.c)); lv('vHS', fmt(sp.h.s)); lv('vHR', pc(sp.h.s,sp.h.i)+'%');

  const dh = JSON.stringify(daily.map(x => x.date+x.commands));
  const chh = JSON.stringify(cmds.map(c => c[0]+c[1].count));
  const gh = JSON.stringify(((gain && gain.tasks) ? gain.tasks : []).map(x => (x.category||'') + (x.tokens_saved||0) + (x.tool_spend_usd||0)));
  if (dh+chh+gh !== overviewPH) { updateOverviewCharts(daily, cmds, sp, gain); renderCmds(cmds); overviewPH = dh+chh+gh; }
}

function updateOverviewCharts(daily, cmds, sp, gain) {
  const lb = daily.map(d => d.date.substring(5));
  const sv = daily.map(d => d.input_tokens - d.output_tokens);
  const ot = daily.map(d => d.output_tokens);
  const rt = daily.map(d => d.input_tokens > 0 ? Math.round((d.input_tokens-d.output_tokens)/d.input_tokens*100) : 0);
  let cum = [], s = 0; for (const x of sv) { s += x; cum.push(s); }
  const sm = daily.length > 30;
  const df = chartDefaults;

  if (charts.cum) { charts.cum.data.labels = lb; charts.cum.data.datasets[0].data = cum; charts.cum.update('none'); }
  else { charts.cum = new Chart($('cCum'), { type:'line', data:{ labels:lb, datasets:[{ data:cum, fill:true, borderColor:'#34d399', backgroundColor:'rgba(52,211,153,.04)', borderWidth:2, pointRadius:sm?0:3, pointBackgroundColor:'#34d399', tension:.4 }] }, options:{ ...df(), plugins:{ legend:{display:false}, tooltip:{callbacks:{label:c=>`${fmt(c.parsed.y)} tokens saved`}} } } }); }

  if (charts.day) { charts.day.data.labels = lb; charts.day.data.datasets[0].data = sv; charts.day.data.datasets[1].data = ot; charts.day.update('none'); }
  else { charts.day = new Chart($('cDay'), { type:'bar', data:{ labels:lb, datasets:[ {label:'Saved',data:sv,backgroundColor:'rgba(52,211,153,.4)',borderRadius:3,borderSkipped:false}, {label:'Sent',data:ot,backgroundColor:'rgba(129,140,248,.15)',borderRadius:3,borderSkipped:false} ] }, options:{ ...df(), plugins:{legend:{display:true,position:'bottom',labels:{color:'#6b6b88',font:{size:9},usePointStyle:true,pointStyle:'circle',padding:12}}}, scales:{...df().scales,x:{...df().scales.x,stacked:true},y:{...df().scales.y,stacked:true}} } }); }

  if (charts.rate) { charts.rate.data.labels = lb; charts.rate.data.datasets[0].data = rt; charts.rate.update('none'); }
  else { charts.rate = new Chart($('cRate'), { type:'line', data:{ labels:lb, datasets:[{ data:rt, fill:true, borderColor:'#818cf8', backgroundColor:'rgba(129,140,248,.04)', borderWidth:2, pointRadius:sm?0:3, pointBackgroundColor:'#818cf8', tension:.4 }] }, options:{ ...df(), scales:{...df().scales,y:{...df().scales.y,ticks:{...df().scales.y.ticks,callback:v=>v+'%'},suggestedMin:0,suggestedMax:100}}, plugins:{legend:{display:false},tooltip:{callbacks:{label:c=>c.parsed.y+'% savings rate'}}} } }); }

  if (charts.pie) { charts.pie.data.datasets[0].data = [sp.m.s, sp.h.s]; charts.pie.update('none'); }
  else { charts.pie = new Chart($('cPie'), { type:'doughnut', data:{ labels:['MCP Tools','Shell Hook'], datasets:[{data:[sp.m.s,sp.h.s],backgroundColor:['#818cf8','#38bdf8'],borderWidth:0,hoverOffset:4,borderRadius:3}] }, options:{ responsive:true, maintainAspectRatio:true, cutout:'70%', plugins:{legend:{position:'bottom',labels:{color:'#6b6b88',font:{size:9},padding:10,usePointStyle:true,pointStyle:'circle'}},tooltip:{callbacks:{label:c=>`${c.label}: ${fmt(c.parsed)} tokens`}}} } }); }

  const rows = (gain && gain.tasks) ? gain.tasks.slice(0) : [];
  if (rows.length > 0) {
    rows.sort((a,b) => (b.tokens_saved||0) - (a.tokens_saved||0));
    const top = rows.slice(0, 8);
    const labels = top.map(r => String(r.category||'General'));
    const data = top.map(r => Number(r.tokens_saved||0));
    const colors = ['#34d399','#818cf8','#38bdf8','#fbbf24','#f472b6','#f87171','#a78bfa','#6ee7b7'];
    if (charts.tasks) {
      charts.tasks.data.labels = labels;
      charts.tasks.data.datasets[0].data = data;
      charts.tasks.update('none');
    } else {
      charts.tasks = new Chart($('cTasks'), {
        type:'doughnut',
        data:{ labels, datasets:[{ data, backgroundColor: colors.slice(0, labels.length), borderWidth:0, hoverOffset:4, borderRadius:3 }] },
        options:{ responsive:true, maintainAspectRatio:true, cutout:'70%', plugins:{ legend:{ position:'bottom', labels:{ color:'#6b6b88', font:{size:9}, padding:10, usePointStyle:true, pointStyle:'circle' } }, tooltip:{ callbacks:{ label:c=>`${c.label}: ${fmt(c.parsed)} tok saved` } } } }
      });
    }
  }
}

function toggleCmds() {
  overviewShowAll = !overviewShowAll;
  if (overviewRaw) { const c = Object.entries(overviewRaw.commands||{}); c.sort((a,b)=>(b[1].input_tokens-b[1].output_tokens)-(a[1].input_tokens-a[1].output_tokens)); renderCmds(c); }
  const b = $('cTog'); if (b) b.textContent = overviewShowAll ? 'Show active only' : 'Show all commands';
}

function renderCmds(cmds) {
  const t = $('tC'); if (!t) return;
  const f = overviewShowAll ? cmds : cmds.filter(([,s]) => s.input_tokens-s.output_tokens > 0);
  const mx = f.length > 0 ? Math.max(...f.map(c => c[1].input_tokens-c[1].output_tokens), 1) : 1;
  t.innerHTML = f.map(([n,s]) => {
    const sv = s.input_tokens-s.output_tokens, r = pc(sv,s.input_tokens), bw = pc(Math.abs(sv),mx), ng = sv < 0;
    return `<tr><td>${sb(n)}</td><td style="color:var(--text-bright)">${esc(n)}</td><td class="r">${ff(s.count)}</td><td class="r">${fmt(s.input_tokens)}</td><td class="r">${fmt(s.output_tokens)}</td><td class="r"><span class="tag ${ng?'td':'tg'}">${ng?'-':''}${fmt(Math.abs(sv))}</span></td><td class="r"><span class="tag ${r>=50?'tg':r>=20?'tp':'ty'}">${r}%</span></td><td><div class="bar-bg"><div class="bar-f" style="width:${bw}%;background:${isM(n)?'var(--purple)':'var(--green)'}"></div></div></td></tr>`;
  }).join('');
  const hid = cmds.length - f.length; const b = $('cTog');
  if (b) { if (hid === 0 && !overviewShowAll) b.style.display = 'none'; else { b.style.display = ''; b.textContent = overviewShowAll ? 'Show active only' : 'Show all ('+hid+' hidden)'; } }
}

function renderBuddy(b) {
  if (!b || !b.name) return;
  $('buddySection').style.display = '';
  const lvlTier = (b.level >= 75) ? 't4' : (b.level >= 50) ? 't3' : (b.level >= 25) ? 't2' : (b.level >= 10) ? 't1' : 't0';
  $('buddyCard').className = 'buddy-card rarity-' + b.rarity + ' lvl-' + lvlTier;
  $('buddyName').textContent = b.name; $('buddySpecies').textContent = b.species;
  $('buddyLevel').textContent = b.level; $('buddyMood').textContent = b.mood;
  $('buddyStreak').textContent = b.streak_days || 0;
  $('buddySpeech').textContent = '"' + b.speech + '"';
  $('buddyRarityBadge').textContent = b.rarity; $('buddyRarityBadge').className = 'rarity-badge r-' + b.rarity;
  $('buddyMoodDot').className = 'mood-dot mood-' + b.mood;
  $('buddySpriteWrap').className = 'buddy-sprite rarity-' + b.rarity + ' lvl-' + lvlTier;

  if (window.__buddyAnimTimer) { clearInterval(window.__buddyAnimTimer); window.__buddyAnimTimer = null; }
  const frames = (b.ascii_frames && b.ascii_frames.length) ? b.ascii_frames : (b.ascii_art ? [b.ascii_art] : []);
  if (frames.length) $('buddyAscii').textContent = frames[0].join('\n');
  if (frames.length > 1) {
    let i = 0;
    const ms = b.anim_ms || 850;
    window.__buddyAnimTimer = setInterval(() => {
      i = (i + 1) % frames.length;
      $('buddyAscii').textContent = frames[i].join('\n');
    }, ms);
  }
  const xpPct = b.xp_next_level > 0 ? Math.min(100, Math.round(b.xp/b.xp_next_level*100)) : 0;
  $('buddyXp').textContent = fmt(b.xp); $('buddyXpNext').textContent = fmt(b.xp_next_level);
  $('buddyXpBar').style.width = xpPct + '%';
  if (b.stats) {
    const st = b.stats;
    setBuddyStat('Comp', st.compression); setBuddyStat('Vig', st.vigilance);
    setBuddyStat('End', st.endurance); setBuddyStat('Wis', st.wisdom); setBuddyStat('Exp', st.experience);
  }
}
function setBuddyStat(id, val) {
  const el = $('bs'+id); if (el) el.textContent = val;
  const c = $('sg'+id); if (c) c.setAttribute('stroke-dashoffset', 100 - val);
}

async function loadLive() {
  const container = $('view-live');
  try {
    const [events, mcp, stats] = await Promise.all([
      apiFetch('/api/events').catch(() => []),
      apiFetch('/api/mcp').catch(() => null),
      apiFetch('/api/stats').catch(() => null),
    ]);
    if (!container.dataset.built) {
      container.innerHTML = `
        <div style="display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px">
          <div class="live-hero-card" style="position:relative;overflow:hidden;border-radius:var(--r);padding:32px 28px;background:linear-gradient(145deg,rgba(52,211,153,0.08),rgba(52,211,153,0.02));border:1px solid rgba(52,211,153,0.15);text-align:center">
            <div style="position:absolute;top:-40%;right:-20%;width:250px;height:250px;background:radial-gradient(circle,rgba(52,211,153,0.1),transparent 65%);pointer-events:none"></div>
            <div style="font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.2em;font-weight:600;margin-bottom:12px;position:relative">Session Tokens Saved</div>
            <div class="token-counter" id="liveCounter" style="position:relative">0</div>
            <div style="font-size:11px;color:var(--muted);margin-top:10px;position:relative;font-family:var(--mono)" id="liveSessionInfo"></div>
          </div>
          <div class="live-hero-card" style="position:relative;overflow:hidden;border-radius:var(--r);padding:32px 28px;background:linear-gradient(145deg,rgba(129,140,248,0.08),rgba(129,140,248,0.02));border:1px solid rgba(129,140,248,0.15);text-align:center">
            <div style="position:absolute;top:-40%;left:-20%;width:250px;height:250px;background:radial-gradient(circle,rgba(129,140,248,0.1),transparent 65%);pointer-events:none"></div>
            <div style="font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.2em;font-weight:600;margin-bottom:12px;position:relative">All-Time Tokens Saved</div>
            <div class="token-counter" id="liveAllTimeCounter" style="background:linear-gradient(135deg,var(--purple),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;filter:drop-shadow(0 0 20px rgba(129,140,248,0.2));position:relative">0</div>
            <div style="font-size:11px;color:var(--muted);margin-top:10px;position:relative;font-family:var(--mono)" id="liveAllTimeInfo"></div>
          </div>
        </div>
        <div style="display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px">
          <div class="card" style="padding:22px;position:relative;overflow:hidden">
            <div style="position:absolute;top:0;right:0;width:120px;height:120px;background:radial-gradient(circle,rgba(129,140,248,0.06),transparent 70%);pointer-events:none"></div>
            <div style="display:flex;align-items:center;gap:8px;margin-bottom:16px">
              <div style="width:10px;height:10px;border-radius:50%;background:var(--purple);box-shadow:0 0 8px rgba(129,140,248,0.4)"></div>
              <span style="font-size:11px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:.12em">MCP Tools</span>
            </div>
            <div style="font-size:clamp(24px,4vw,36px);font-weight:800;letter-spacing:-0.04em;color:var(--purple);margin-bottom:10px" id="liveMcpSaved">0</div>
            <div style="display:grid;grid-template-columns:1fr 1fr;gap:8px">
              <div style="background:var(--surface-2);border-radius:8px;padding:10px;text-align:center">
                <div style="font-size:16px;font-weight:700;color:var(--text-bright);letter-spacing:-0.02em" id="liveMcpCalls">0</div>
                <div style="font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px;font-weight:600">Calls</div>
              </div>
              <div style="background:var(--surface-2);border-radius:8px;padding:10px;text-align:center">
                <div style="font-size:16px;font-weight:700;color:var(--green);letter-spacing:-0.02em"><span id="liveMcpRate">0</span>%</div>
                <div style="font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px;font-weight:600">Rate</div>
              </div>
            </div>
          </div>
          <div class="card" style="padding:22px;position:relative;overflow:hidden">
            <div style="position:absolute;top:0;right:0;width:120px;height:120px;background:radial-gradient(circle,rgba(56,189,248,0.06),transparent 70%);pointer-events:none"></div>
            <div style="display:flex;align-items:center;gap:8px;margin-bottom:16px">
              <div style="width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px rgba(56,189,248,0.4)"></div>
              <span style="font-size:11px;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:.12em">Shell Hooks</span>
            </div>
            <div style="font-size:clamp(24px,4vw,36px);font-weight:800;letter-spacing:-0.04em;color:var(--blue);margin-bottom:10px" id="liveHookSaved">0</div>
            <div style="display:grid;grid-template-columns:1fr 1fr;gap:8px">
              <div style="background:var(--surface-2);border-radius:8px;padding:10px;text-align:center">
                <div style="font-size:16px;font-weight:700;color:var(--text-bright);letter-spacing:-0.02em" id="liveHookCalls">0</div>
                <div style="font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px;font-weight:600">Calls</div>
              </div>
              <div style="background:var(--surface-2);border-radius:8px;padding:10px;text-align:center">
                <div style="font-size:16px;font-weight:700;color:var(--green);letter-spacing:-0.02em"><span id="liveHookRate">0</span>%</div>
                <div style="font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px;font-weight:600">Rate</div>
              </div>
            </div>
          </div>
        </div>
        <div style="margin-bottom:18px">
          <div style="display:flex;height:8px;border-radius:4px;overflow:hidden;background:var(--surface-2);box-shadow:inset 0 1px 3px rgba(0,0,0,0.3)">
            <div id="liveMcpBar" style="background:linear-gradient(90deg,var(--purple),#a78bfa);transition:width .6s cubic-bezier(.22,1,.36,1);border-radius:4px 0 0 4px"></div>
            <div id="liveHookBar" style="background:linear-gradient(90deg,var(--blue),#7dd3fc);transition:width .6s cubic-bezier(.22,1,.36,1);border-radius:0 4px 4px 0"></div>
          </div>
          <div style="display:flex;justify-content:space-between;margin-top:6px">
            <span style="font-size:9px;color:var(--purple);font-family:var(--mono);font-weight:600" id="liveMcpPct">0%</span>
            <span style="font-size:9px;color:var(--blue);font-family:var(--mono);font-weight:600" id="liveHookPct">0%</span>
          </div>
        </div>
        <div class="filter-row" style="margin-bottom:18px">
          <button class="filter-btn active" data-filter="all" onclick="setLiveFilter('all',this)">All</button>
          <button class="filter-btn" data-filter="read" onclick="setLiveFilter('read',this)">Reads</button>
          <button class="filter-btn" data-filter="shell" onclick="setLiveFilter('shell',this)">Shell</button>
          <button class="filter-btn" data-filter="search" onclick="setLiveFilter('search',this)">Search</button>
          <button class="filter-btn" data-filter="cache" onclick="setLiveFilter('cache',this)">Cache</button>
        </div>
        <div id="liveEventFeed" style="display:flex;flex-direction:column;gap:8px"></div>
        ${howItWorks('Live Event Stream', 'Events are captured in real-time as LeanCTX processes tool calls. Each event records the <strong>tool name</strong>, <strong>token count</strong> before and after compression, and the <strong>compression mode</strong> used. The feed polls <code>/api/events</code> every 2 seconds.')}`;
      container.dataset.built = 'true';
    }
    renderLiveEvents(events, mcp, stats);
  } catch (e) {
    if (!container.dataset.built) showError(container, 'Could not load live events.');
  }
}

function setLiveFilter(f, btn) {
  liveFilter = f;
  document.querySelectorAll('.filter-btn').forEach(b => b.classList.toggle('active', b.dataset.filter === f));
  loadLive(); 
}

function flattenEvent(ev) {
  const k = ev.kind || {};
  const type = k.type || 'unknown';
  let tool = '', saved = 0, detail = '', color = 'var(--muted)', filterCat = 'other';
  if (type === 'ToolCall') {
    tool = k.tool || 'unknown';
    saved = k.tokens_saved || 0;
    const orig = k.tokens_original || 0;
    const mode = k.mode || '';
    const pct = orig > 0 ? Math.round(saved / orig * 100) : 0;
    detail = (mode ? '<span class="tag tp">' + esc(mode) + '</span> ' : '') + (saved > 0 ? '<span class="tag tg">-' + fmt(saved) + ' tok (' + pct + '%)</span>' : '');
    if (k.path) detail += ' <span style="color:var(--muted);font-size:9px">' + esc(k.path) + '</span>';
    color = tool.includes('read') ? 'var(--green)' : tool.includes('shell') ? 'var(--blue)' : tool.includes('search') ? 'var(--purple)' : tool.includes('tree') ? 'var(--pink)' : 'var(--yellow)';
    filterCat = tool.includes('read') ? 'read' : tool.includes('shell') ? 'shell' : tool.includes('search') ? 'search' : 'other';
  } else if (type === 'CacheHit') {
    tool = 'cache hit';
    saved = k.saved_tokens || 0;
    detail = '<span class="tag tp">cache</span> <span class="tag tg">-' + fmt(saved) + ' tok</span>';
    if (k.path) detail += ' <span style="color:var(--muted);font-size:9px">' + esc(k.path) + '</span>';
    color = 'var(--purple)';
    filterCat = 'cache';
  } else if (type === 'Compression') {
    tool = 'compression';
    const removed = k.removed_line_count || 0;
    detail = '<span class="tag tb">' + esc(k.strategy || '') + '</span> ' + (k.before_lines||0) + 'L → ' + (k.after_lines||0) + 'L <span class="tag tg">-' + removed + ' lines</span>';
    if (k.path) detail += ' <span style="color:var(--muted);font-size:9px">' + esc(k.path) + '</span>';
    color = 'var(--blue)';
  } else if (type === 'AgentAction') {
    tool = 'agent: ' + (k.agent_id || '').split('-').pop();
    detail = '<span class="tag ty">' + esc(k.action || '') + '</span>';
    if (k.tool) detail += ' via ' + esc(k.tool);
    color = 'var(--yellow)';
  } else if (type === 'KnowledgeUpdate') {
    tool = 'knowledge';
    const actionTag = k.action === 'contradict' ? 'td' : 'tg';
    detail = '<span class="tag ' + actionTag + '">' + esc(k.action || '') + '</span> ' + esc(k.category || '') + '/' + esc(k.key || '');
    color = 'var(--purple)';
  } else if (type === 'ThresholdShift') {
    tool = 'threshold';
    detail = '<span class="tag tb">' + esc(k.language || '') + '</span> entropy ' + (k.old_entropy||0).toFixed(2) + '→' + (k.new_entropy||0).toFixed(2) + ' jaccard ' + (k.old_jaccard||0).toFixed(2) + '→' + (k.new_jaccard||0).toFixed(2);
    color = 'var(--muted)';
  }
  return { tool, saved, detail, color, filterCat, ts: ev.timestamp || '', type };
}

function computeSessionFromEvents(events, sessionStart) {
  let saved = 0, original = 0, calls = 0;
  if (!events || !events.length) return { saved, original, calls };
  const today = new Date().toISOString().slice(0, 10);
  for (const ev of events) {
    const k = ev.kind || {};
    const ts = ev.timestamp || '';
    if (sessionStart && ts < sessionStart) continue;
    if (!sessionStart && !ts.startsWith(today)) continue;
    if (k.type === 'ToolCall') {
      saved += k.tokens_saved || 0;
      original += k.tokens_original || 0;
      calls++;
    } else if (k.type === 'CacheHit') {
      const s = k.saved_tokens || 0;
      saved += s;
      original += s;
      calls++;
    }
  }
  return { saved, original, calls };
}

function renderLiveEvents(events, mcp, stats) {
  let sessionSaved = mcp ? (mcp.tokens_saved || 0) : 0;
  let sessionOriginal = mcp ? (mcp.tokens_original || 0) : 0;
  let sessionCalls = mcp ? (mcp.tool_calls || 0) : 0;
  const sessionStart = mcp && mcp.started_at ? mcp.started_at : '';

  if (sessionSaved === 0 && events && events.length > 0) {
    const fromEvents = computeSessionFromEvents(events, sessionStart);
    sessionSaved = fromEvents.saved;
    sessionOriginal = fromEvents.original;
    sessionCalls = fromEvents.calls;
  }

  const allTimeSaved = stats ? Math.max(0, (stats.total_input_tokens || 0) - (stats.total_output_tokens || 0)) : 0;
  if (allTimeSaved > 0 && sessionSaved > allTimeSaved) sessionSaved = allTimeSaved;

  if (sessionSaved === 0 && stats && stats.daily && stats.daily.length > 0) {
    const today = new Date().toISOString().slice(0, 10);
    const todayStats = stats.daily.find(d => d.date === today);
    if (todayStats) {
      sessionSaved = Math.max(0, (todayStats.input_tokens || 0) - (todayStats.output_tokens || 0));
      sessionOriginal = todayStats.input_tokens || 0;
      sessionCalls = todayStats.commands || 0;
    }
  }

  const counter = $('liveCounter');
  if (counter) counter.textContent = ff(sessionSaved);
  liveTotalTokens = sessionSaved;
  const info = $('liveSessionInfo');
  if (info) {
    const rate = sessionOriginal > 0 ? Math.round(Math.min(100, sessionSaved / sessionOriginal * 100)) : 0;
    info.textContent = sessionCalls + ' calls · ' + rate + '% compression';
  }
  if (stats) {
    const allTimeSaved = (stats.total_input_tokens || 0) - (stats.total_output_tokens || 0);
    const allTimeCounter = $('liveAllTimeCounter');
    if (allTimeCounter) allTimeCounter.textContent = ff(Math.max(0, allTimeSaved));
    const allTimeInfo = $('liveAllTimeInfo');
    if (allTimeInfo) allTimeInfo.textContent = (stats.total_commands || 0) + ' total commands';

    const cmds = Object.entries(stats.commands || {});
    const sp = ss(cmds);
    const mS = $('liveMcpSaved'), hS = $('liveHookSaved');
    if (mS) mS.textContent = fmt(sp.m.s);
    if (hS) hS.textContent = fmt(sp.h.s);
    const mC = $('liveMcpCalls'), hC = $('liveHookCalls');
    if (mC) mC.textContent = ff(sp.m.c);
    if (hC) hC.textContent = ff(sp.h.c);
    const mR = $('liveMcpRate'), hR = $('liveHookRate');
    if (mR) mR.textContent = sp.m.i > 0 ? pc(sp.m.s, sp.m.i) : '0';
    if (hR) hR.textContent = sp.h.i > 0 ? pc(sp.h.s, sp.h.i) : '0';
    const total = Math.max(sp.m.s + sp.h.s, 1);
    const mPct = Math.round(sp.m.s / total * 100), hPct = 100 - mPct;
    const mBar = $('liveMcpBar'), hBar = $('liveHookBar');
    if (mBar) mBar.style.width = mPct + '%';
    if (hBar) hBar.style.width = hPct + '%';
    const mPctEl = $('liveMcpPct'), hPctEl = $('liveHookPct');
    if (mPctEl) mPctEl.textContent = 'MCP ' + mPct + '%';
    if (hPctEl) hPctEl.textContent = 'Hook ' + hPct + '%';
  }
  if (!events || !events.length) {
    const feed = $('liveEventFeed');
    if (feed) feed.innerHTML = '<div class="empty-state" style="padding:40px"><h2>Waiting for events</h2><p>Use LeanCTX tools in your IDE to see real-time activity here.</p></div>';
    return;
  }
  const flat = events.map(flattenEvent).filter(e => {
    if (!sessionStart) return true;
    return e.ts >= sessionStart;
  });

  const filtered = flat.filter(e => {
    if (liveFilter === 'all') return true;
    return e.filterCat === liveFilter;
  });

  const feed = $('liveEventFeed');
  if (!feed) return;
  feed.innerHTML = filtered.slice(-50).reverse().map(e => {
    const ts = e.ts ? e.ts.substring(11, 19) : '';
    return `<div class="event-card" style="--event-accent:${e.color}">
      <div class="event-icon" style="background:${e.color}18;color:${e.color};box-shadow:0 0 12px ${e.color}10">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="22 12 18 12 15 21 9 3 6 12 2 12"/></svg>
      </div>
      <div class="event-body">
        <div class="event-tool">${esc(e.tool)}</div>
        <div class="event-detail">${e.detail}</div>
      </div>
      <div class="event-time">${esc(ts)}</div>
    </div>`;
  }).join('');
}

let knowledgeSimulation = null;
async function loadKnowledge() {
  const container = $('view-knowledge');
  if (!container.dataset.built) showLoading(container);
  try {
    if (inFlight.get('knowledge')) return;
    inFlight.set('knowledge', true);
    const data = await apiFetch('/api/knowledge', { timeoutMs: 4000 });
    const facts = data.facts || [];
    if (!facts.length) {
      const root = data.root || data.project_root;
      showEmpty(container, 'No knowledge facts stored yet for this project' + (root ? ` (${root})` : '') + '. LeanCTX builds project knowledge automatically as you work.');
      return;
    }

    const catCounts = {};
    facts.forEach(f => { const c = (f.category || '').split(':')[0].toUpperCase(); catCounts[c] = (catCounts[c]||0)+1; });
    const avgConf = facts.length ? Math.round(facts.reduce((s,f)=>s+(f.confidence||0),0)/facts.length*100) : 0;
    container.innerHTML = `
      <div class="row r4" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${facts.length}</div><div class="hl">Total Facts</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${Object.keys(catCounts).length}</div><div class="hl">Categories</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${avgConf}%</div><div class="hl">Avg Confidence</div></div>
        <div class="hc"><div class="hv" style="color:var(--yellow);font-size:24px">${facts.filter(f=>(f.confidence||0)>0.8).length}</div><div class="hl">High Confidence</div></div>
      </div>
      <div class="d3-container" id="knowledgeGraph"></div>
      ${howItWorks('Knowledge Graph', 'LeanCTX maintains a project knowledge base where facts are stored with <strong>confidence scores</strong> that decay over time (unused facts lose confidence). Facts are organized by <strong>category</strong> (Architecture, Testing, etc.) and <strong>room</strong>. Each fact has <strong>temporal validity</strong> &mdash; it knows when it was learned and when it was last confirmed. <strong>Contradiction detection</strong> automatically resolves conflicting facts by preferring the most recent with highest confidence.')}`;
    container.dataset.built = 'true';
    renderKnowledgeGraph(facts);
  } catch (e) {
    showError(container, (e && e.message === 'timeout')
      ? 'Knowledge is still loading. If this persists, restart the dashboard and run a few tool calls to populate facts.'
      : 'Could not load knowledge data.'
    );
  } finally { inFlight.delete('knowledge'); }
}

function renderKnowledgeGraph(facts) {
  const graphEl = $('knowledgeGraph');
  if (!graphEl) return;
  graphEl.innerHTML = '';
  const width = graphEl.clientWidth, height = graphEl.clientHeight || 500;

  const categoryColors = {
    'ARCHITECTURE': '#38bdf8', 'TESTING': '#34d399', 'DEBUGGING': '#f87171',
    'WORKFLOW': '#818cf8', 'DEPLOYMENT': '#f472b6', 'PERFORMANCE': '#fbbf24',
    'E2E': '#34d399', 'SECURITY': '#f87171', 'API': '#60a5fa', 'DATABASE': '#c084fc',
  };

  const nodes = facts.map((f, i) => {
    const cat = (f.category || '').split(':')[0].toUpperCase();
    return { id: i, label: f.key || f.category || 'fact-'+i, category: cat, confidence: f.confidence || 0.5, fact: f, color: categoryColors[cat] || '#6b6b88' };
  });

  const links = [];
  const roomMap = {};
  nodes.forEach(n => { const room = n.category; if (!roomMap[room]) roomMap[room] = []; roomMap[room].push(n); });
  Object.values(roomMap).forEach(group => { for (let i = 1; i < group.length; i++) links.push({ source: group[0].id, target: group[i].id }); });

  const usedCats = [...new Set(nodes.map(n => n.category))];
  const legendHtml = usedCats.map(c => `<div class="graph-legend-item"><div class="graph-legend-dot" style="background:${categoryColors[c]||'#6b6b88'}"></div>${c.toLowerCase()}</div>`).join('');
  graphEl.innerHTML = `<div class="graph-stats"><span>${nodes.length}</span> facts &middot; <span>${links.length}</span> links &middot; <span>${usedCats.length}</span> categories</div><div class="graph-toolbar"><button id="kgValBtn" class="${knowledgeShowValues ? 'active' : ''}" onclick="toggleKnowledgeValues()" title="Toggle values">123</button><div class="tb-sep"></div><button onclick="zoomGraph(knowledgeSimulation,'knowledgeGraph',1.3)" title="Zoom In">+</button><button onclick="zoomGraph(knowledgeSimulation,'knowledgeGraph',0.7)" title="Zoom Out">−</button><button onclick="resetGraph(knowledgeSimulation,'knowledgeGraph')" title="Reset">⟲</button><div class="tb-sep"></div><button class="fs-toggle-btn" onclick="toggleGraphFullscreen('knowledgeGraph')" title="Fullscreen (F)">⛶</button></div><div class="graph-legend">${legendHtml}</div><div class="graph-breadcrumb">Knowledge Graph · <span style="color:var(--green)">Press Esc to exit</span></div><div class="graph-minimap"><canvas></canvas></div>`;

  const svg = d3.select(graphEl).append('svg').attr('class', 'd3-graph').attr('width', width).attr('height', height);
  const defs = svg.append('defs');
  usedCats.forEach(c => {
    const col = categoryColors[c] || '#6b6b88';
    defs.append('radialGradient').attr('id', 'glow-'+c.toLowerCase()).html(`<stop offset="0%" stop-color="${col}" stop-opacity="0.3"/><stop offset="100%" stop-color="${col}" stop-opacity="0"/>`);
  });

  const g = svg.append('g');
  const zoom = d3.zoom().scaleExtent([0.2, 8]).on('zoom', e => g.attr('transform', e.transform));
  svg.call(zoom);
  graphEl._zoom = zoom; graphEl._svg = svg;

  const simulation = d3.forceSimulation(nodes)
    .force('link', d3.forceLink(links).id(d => d.id).distance(90))
    .force('charge', d3.forceManyBody().strength(-150))
    .force('center', d3.forceCenter(width/2, height/2))
    .force('collision', d3.forceCollide().radius(d => 10 + d.confidence * 22));

  const link = g.append('g').selectAll('line').data(links).join('line')
    .attr('stroke', 'rgba(255,255,255,0.04)').attr('stroke-width', 1);

  const glow = g.append('g').selectAll('circle').data(nodes).join('circle')
    .attr('r', d => (6 + d.confidence * 16) * 2.5)
    .attr('fill', d => `url(#glow-${d.category.toLowerCase()})`)
    .style('pointer-events', 'none');

  const node = g.append('g').selectAll('circle').data(nodes).join('circle')
    .attr('r', d => 5 + d.confidence * 14)
    .attr('fill', d => d.color).attr('fill-opacity', 0.85)
    .attr('stroke', d => d.color).attr('stroke-width', 1.5).attr('stroke-opacity', 0.4)
    .style('cursor', 'pointer').style('transition', 'r .2s, stroke-opacity .2s')
    .call(d3.drag().on('start', (e,d) => { if (!e.active) simulation.alphaTarget(0.3).restart(); d.fx = d.x; d.fy = d.y; })
      .on('drag', (e,d) => { d.fx = e.x; d.fy = e.y; })
      .on('end', (e,d) => { if (!e.active) simulation.alphaTarget(0); d.fx = null; d.fy = null; }))
    .on('click', (e, d) => showKnowledgeDetail(d))
    .on('mouseover', function(e, d) {
      d3.select(this).attr('stroke-opacity', 1).attr('r', (5 + d.confidence * 14) * 1.3);
      showTooltip(e, `<div class="nt-title">${esc(d.label)}</div><div class="nt-row"><span class="nt-label">Category</span><span class="nt-value">${d.category}</span></div><div class="nt-row"><span class="nt-label">Confidence</span><span class="nt-value">${Math.round(d.confidence*100)}%</span></div>`);
    })
    .on('mousemove', (e) => moveTooltip(e))
    .on('mouseout', function(e, d) {
      d3.select(this).attr('stroke-opacity', 0.4).attr('r', 5 + d.confidence * 14);
      hideTooltip();
    });

  const nodeVal = g.append('g').selectAll('text').data(nodes).join('text')
    .attr('class', 'kg-node-val')
    .attr('text-anchor', 'middle')
    .attr('dy', '0.35em')
    .style('display', knowledgeShowValues ? '' : 'none')
    .text(d => d.confidence >= 0.65 ? (Math.round(d.confidence * 100) + '%') : '');

  const label = g.append('g').selectAll('text').data(nodes).join('text')
    .text(d => d.label.length > 22 ? d.label.substring(0,20)+'..' : d.label)
    .attr('font-size', 10).attr('fill', 'rgba(255,255,255,0.5)').attr('text-anchor', 'middle')
    .attr('dy', d => -(9 + d.confidence * 14) - 5).style('pointer-events', 'none');

  let kgTickCount = 0;
  simulation.on('tick', () => {
    link.attr('x1', d => d.source.x).attr('y1', d => d.source.y).attr('x2', d => d.target.x).attr('y2', d => d.target.y);
    glow.attr('cx', d => d.x).attr('cy', d => d.y);
    node.attr('cx', d => d.x).attr('cy', d => d.y);
    nodeVal.attr('x', d => d.x).attr('y', d => d.y);
    label.attr('x', d => d.x).attr('y', d => d.y);
    if (++kgTickCount % 10 === 0) updateMinimap('knowledgeGraph');
  });
  knowledgeSimulation = simulation;

  applyKnowledgeValuesState();
}

function showKnowledgeDetail(d) {
  const f = d.fact;
  $('detailContent').innerHTML = `
    <h3>${esc(d.label)}</h3>
    <div class="detail-row"><span class="dl">Category</span><span class="dv">${esc(d.category)}</span></div>
    <div class="detail-row"><span class="dl">Confidence</span><span class="dv">${Math.round(d.confidence*100)}%</span></div>
    <div class="detail-row"><span class="dl">Value</span><span class="dv" style="word-break:break-all">${esc(f.value || f.fact || JSON.stringify(f))}</span></div>
    ${f.learned_at ? `<div class="detail-row"><span class="dl">Learned</span><span class="dv">${esc(f.learned_at)}</span></div>` : ''}
    ${f.last_confirmed ? `<div class="detail-row"><span class="dl">Last Confirmed</span><span class="dv">${esc(f.last_confirmed)}</span></div>` : ''}
    ${f.source ? `<div class="detail-row"><span class="dl">Source</span><span class="dv">${esc(f.source)}</span></div>` : ''}`;
  $('detailPanel').classList.add('open');
}

let depsSimulation = null;
async function loadDeps() {
  const container = $('view-deps');
  if (!container.dataset.built) showLoading(container);
  try {
    if (inFlight.get('deps')) return;
    inFlight.set('deps', true);
    const data = await apiFetch('/api/graph', { timeoutMs: 8000 });
    if (isBuildingData(data)) {
      showIndexing(container, 'Dependency graph is building in the background. This view will refresh automatically in a few seconds.', 'deps', loadDeps);
      return;
    }
    resetRetry('deps');
    const files = data.files ? Object.values(data.files) : [];
    const edges = data.edges || [];
    if (!files.length) { showEmpty(container, 'No dependency data yet. LeanCTX builds a dependency graph using tree-sitter parsing.'); return; }

    const totalTokens = files.reduce((s,f) => s + (f.token_count||0), 0);
    const langSet = new Set(files.map(f => f.language || f.path.split('.').pop() || ''));
    container.innerHTML = `
      <div class="row r4" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${files.length}</div><div class="hl">Files</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${edges.length}</div><div class="hl">Dependencies</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${ff(totalTokens)}</div><div class="hl">Total Tokens</div></div>
        <div class="hc"><div class="hv" style="color:var(--yellow);font-size:24px">${langSet.size}</div><div class="hl">Languages</div></div>
      </div>
      <div class="d3-container" id="depsGraph"></div>
      ${howItWorks('Dependency Map', 'LeanCTX uses <strong>tree-sitter</strong> to parse source files and extract import/export relationships. Files become nodes sized by their <strong>token count</strong> (larger = more tokens). Edges represent import dependencies. Nodes are colored by <strong>language</strong>. Directory clusters are formed by grouping files in the same folder. The force-directed layout naturally clusters tightly-coupled modules together.')}`;
    container.dataset.built = 'true';
    renderDepsGraph(files, edges);
  } catch (e) {
    showError(container, (e && e.message === 'timeout')
      ? 'Dependency graph is still indexing. Try again in a few seconds.'
      : 'Could not load dependency graph.'
    );
  } finally { inFlight.delete('deps'); }
}

function renderDepsGraph(files, edges) {
  const graphEl = $('depsGraph');
  if (!graphEl) return;
  graphEl.innerHTML = '';
  const width = graphEl.clientWidth, height = graphEl.clientHeight || 500;

  const langColors = {
    'rust': '#f87171', 'rs': '#f87171', 'javascript': '#fbbf24', 'js': '#fbbf24',
    'typescript': '#38bdf8', 'ts': '#38bdf8', 'tsx': '#38bdf8', 'python': '#34d399', 'py': '#34d399',
    'go': '#818cf8', 'toml': '#f472b6', 'json': '#6b6b88', 'yaml': '#6b6b88', 'md': '#6b6b88',
    'html': '#f97316', 'css': '#06b6d4', 'sh': '#a3e635', 'bash': '#a3e635',
  };

  const maxTokens = Math.max(...files.map(f => f.token_count || 1), 1);
  const nodeMap = {};
  const nodes = files.map((f, i) => {
    const ext = f.path.split('.').pop() || '';
    const lang = f.language || ext;
    const n = { id: f.path, label: f.path.split('/').pop(), tokens: f.token_count || 0, language: lang, color: langColors[lang.toLowerCase()] || langColors[ext] || '#6b6b88', file: f, radius: 4 + Math.sqrt(f.token_count || 0) / Math.sqrt(maxTokens) * 18 };
    nodeMap[f.path] = n;
    return n;
  });

  const resolveEdgeTarget = (t) => {
    if (nodeMap[t]) return t;
    const normalized = t.replace(/::/g, '/');
    const candidates = Object.keys(nodeMap);
    const byModule = candidates.find(p => p.includes(normalized) || p.includes(normalized.split('/')[0]));
    if (byModule) return byModule;
    const byName = candidates.find(p => { const exps = (nodeMap[p].file.exports || []); return exps.some(ex => t.includes(ex) || ex.includes(t.split('::').pop())); });
    return byName || null;
  };
  const validEdges = edges.map(e => { const src = resolveEdgeTarget(e.from); const tgt = resolveEdgeTarget(e.to); return (src && tgt && src !== tgt) ? { source: src, target: tgt } : null; }).filter(Boolean);

  const usedLangs = [...new Set(nodes.map(n => n.language.toLowerCase()))];
  const legendHtml = usedLangs.slice(0,10).map(l => `<div class="graph-legend-item"><div class="graph-legend-dot" style="background:${langColors[l]||'#6b6b88'}"></div>${l}</div>`).join('');
  graphEl.innerHTML = `<div class="graph-stats"><span>${nodes.length}</span> files &middot; <span>${validEdges.length}</span> deps</div><div class="graph-toolbar"><button id="depsValBtn" class="${depsShowValues ? 'active' : ''}" onclick="toggleDepsValues()" title="Toggle values">123</button><div class="tb-sep"></div><button onclick="zoomGraph(depsSimulation,'depsGraph',1.3)" title="Zoom In">+</button><button onclick="zoomGraph(depsSimulation,'depsGraph',0.7)" title="Zoom Out">−</button><button onclick="resetGraph(depsSimulation,'depsGraph')" title="Reset">⟲</button><div class="tb-sep"></div><button class="fs-toggle-btn" onclick="toggleGraphFullscreen('depsGraph')" title="Fullscreen (F)">⛶</button></div><div class="graph-legend">${legendHtml}</div><div class="graph-breadcrumb">Dependency Map · <span style="color:var(--green)">Press Esc to exit</span></div><div class="graph-minimap"><canvas></canvas></div>`;

  const svg = d3.select(graphEl).append('svg').attr('class', 'd3-graph').attr('width', width).attr('height', height);
  const g = svg.append('g');
  const zoomBehavior = d3.zoom().scaleExtent([0.1, 8]).on('zoom', e => g.attr('transform', e.transform));
  svg.call(zoomBehavior);
  graphEl._zoom = zoomBehavior; graphEl._svg = svg;

  const simulation = d3.forceSimulation(nodes)
    .force('link', d3.forceLink(validEdges).id(d => d.id).distance(70))
    .force('charge', d3.forceManyBody().strength(-120))
    .force('center', d3.forceCenter(width/2, height/2))
    .force('collision', d3.forceCollide().radius(d => d.radius + 3));

  g.append('g').selectAll('line').data(validEdges).join('line')
    .attr('stroke', 'rgba(255,255,255,0.05)').attr('stroke-width', 1)
    .attr('class', 'dep-link');

  const glow = g.append('g').selectAll('circle').data(nodes).join('circle')
    .attr('r', d => d.radius * 2.5)
    .attr('fill', d => d.color).attr('fill-opacity', 0.06)
    .style('pointer-events', 'none');

  const node = g.append('g').selectAll('circle').data(nodes).join('circle')
    .attr('r', d => d.radius)
    .attr('fill', d => d.color).attr('fill-opacity', 0.8)
    .attr('stroke', d => d.color).attr('stroke-width', 1.5).attr('stroke-opacity', 0.3)
    .style('cursor', 'pointer').style('transition', 'r .2s, stroke-opacity .2s')
    .call(d3.drag().on('start', (e,d) => { if (!e.active) simulation.alphaTarget(0.3).restart(); d.fx = d.x; d.fy = d.y; })
      .on('drag', (e,d) => { d.fx = e.x; d.fy = e.y; })
      .on('end', (e,d) => { if (!e.active) simulation.alphaTarget(0); d.fx = null; d.fy = null; }))
    .on('click', (e, d) => showFileDetail(d))
    .on('mouseover', function(e, d) {
      d3.select(this).attr('stroke-opacity', 1).attr('r', d.radius * 1.3);
      showTooltip(e, `<div class="nt-title">${esc(d.label)}</div><div class="nt-row"><span class="nt-label">Language</span><span class="nt-value">${d.language}</span></div><div class="nt-row"><span class="nt-label">Tokens</span><span class="nt-value">${ff(d.tokens)}</span></div><div class="nt-row"><span class="nt-label">Path</span><span class="nt-value" style="font-size:9px">${esc(d.id)}</span></div>`);
    })
    .on('mousemove', (e) => moveTooltip(e))
    .on('mouseout', function(e, d) { d3.select(this).attr('stroke-opacity', 0.3).attr('r', d.radius); hideTooltip(); });

  const nodeVal = g.append('g').selectAll('text').data(nodes).join('text')
    .attr('class', 'deps-node-val')
    .attr('text-anchor', 'middle')
    .attr('dy', '0.35em')
    .style('display', depsShowValues ? '' : 'none')
    .text(d => (d.radius >= 12 && d.tokens >= 1000) ? fmt(d.tokens) : '');

  const label = g.append('g').selectAll('text').data(nodes).join('text')
    .text(d => d.label.length > 20 ? d.label.substring(0,18)+'..' : d.label)
    .attr('font-size', 9).attr('fill', 'rgba(255,255,255,0.45)').attr('text-anchor', 'middle')
    .attr('dy', d => -d.radius - 4).style('pointer-events', 'none');

  let depTickCount = 0;
  simulation.on('tick', () => {
    g.selectAll('.dep-link').attr('x1', d => d.source.x).attr('y1', d => d.source.y).attr('x2', d => d.target.x).attr('y2', d => d.target.y);
    glow.attr('cx', d => d.x).attr('cy', d => d.y);
    node.attr('cx', d => d.x).attr('cy', d => d.y);
    nodeVal.attr('x', d => d.x).attr('y', d => d.y);
    label.attr('x', d => d.x).attr('y', d => d.y);
    if (++depTickCount % 10 === 0) updateMinimap('depsGraph');
  });
  depsSimulation = simulation;

  applyDepsValuesState();
}

function showFileDetail(d) {
  const f = d.file;
  const exports = (f.exports || []).join(', ') || 'none';
  $('detailContent').innerHTML = `
    <h3>${esc(d.label)}</h3>
    <div class="detail-row"><span class="dl">Path</span><span class="dv" style="word-break:break-all">${esc(f.path)}</span></div>
    <div class="detail-row"><span class="dl">Language</span><span class="dv">${esc(d.language)}</span></div>
    <div class="detail-row"><span class="dl">Tokens</span><span class="dv">${ff(f.token_count || 0)}</span></div>
    <div class="detail-row"><span class="dl">Lines</span><span class="dv">${ff(f.line_count || 0)}</span></div>
    <div class="detail-row"><span class="dl">Exports</span><span class="dv" style="word-break:break-all">${esc(exports)}</span></div>`;
  $('detailPanel').classList.add('open');
}

let compressionFiles = [];
let compressionSelected = null;
let compressionMode = 'map';
let compressionTask = '';

async function loadCompression() {
  const container = $('view-compression');
  if (!container.dataset.built) {
    showLoading(container);
    try {
      const [graph, searchIdx] = await Promise.all([
        apiFetch('/api/graph').catch(() => null),
        apiFetch('/api/search-index').catch(() => null),
      ]);
      if (isBuildingData(graph) || isBuildingData(searchIdx)) {
        showIndexing(container, 'Indexes are building in the background. This view will refresh automatically in a few seconds.', 'compression', loadCompression);
        return;
      }
      resetRetry('compression');
      const graphPaths = graph && graph.files ? Object.values(graph.files).map(f => f.path) : [];
      const searchPaths = searchIdx && searchIdx.top_chunks_by_token_count ? searchIdx.top_chunks_by_token_count.map(c => c.file_path) : [];
      const all = new Set([...graphPaths, ...searchPaths]);
      compressionFiles = [...all].sort();
    } catch { compressionFiles = []; }

    container.innerHTML = `
      <div class="row r12">
        <div class="card" style="max-height:600px;overflow:hidden;display:flex;flex-direction:column">
          <h3>Select File</h3>
          <input type="text" class="search-input" placeholder="Filter files..." oninput="filterCompressionFiles(this.value)" style="margin-bottom:8px">
          <input type="text" class="search-input" placeholder="Optional task (enables task-mode view)..." id="compressionTaskInput" oninput="compressionTask=this.value" style="margin-bottom:8px">
          <div class="file-list" id="compressionFileList"></div>
        </div>
        <div class="card" id="compressionResult">
          <div class="empty-state" style="padding:40px"><h2>Select a file</h2><p>Choose a file from the list to see compression modes in action.</p></div>
        </div>
      </div>
      ${howItWorks('Compression Algorithms', '<strong>map</strong> &mdash; Extracts dependency graph + exports + key function signatures. Best for understanding file structure without reading code.<br><br><strong>signatures</strong> &mdash; Extracts only the API surface (function/class/type signatures). Strips all implementation details.<br><br><strong>reference</strong> &mdash; A compact file reference (tokens + lines) without content.<br><br><strong>task</strong> &mdash; Task-aware compression (IB filter + graph context) when a task is provided.<br><br><strong>aggressive</strong> &mdash; Removes all comments, blank lines, and non-essential whitespace. Preserves code logic but minimizes formatting.<br><br><strong>entropy</strong> &mdash; Uses Shannon entropy analysis and Jaccard similarity to identify and remove low-information-density sections. Keeps only the most unique, information-rich lines.')}`;
    container.dataset.built = 'true';
    renderCompressionFileList(compressionFiles);
  }
}

function filterCompressionFiles(query) {
  const q = query.toLowerCase();
  const filtered = compressionFiles.filter(f => f.toLowerCase().includes(q));
  renderCompressionFileList(filtered);
}

function renderCompressionFileList(files) {
  const el = $('compressionFileList');
  if (!el) return;
  el.innerHTML = files.slice(0, 100).map(f =>
    `<div class="file-item${f === compressionSelected ? ' selected' : ''}" data-path="${esc(f)}">${esc(f)}</div>`
  ).join('');
  el.querySelectorAll('.file-item').forEach(item => {
    item.onclick = () => selectCompressionFile(item.dataset.path);
  });
}

async function selectCompressionFile(path) {
  compressionSelected = path;
  renderCompressionFileList(compressionFiles);
  const result = $('compressionResult');
  if (!result) return;
  result.innerHTML = '<div class="loading-state">Compressing...</div>';
  try {
    let url = '/api/compression-demo?path=' + encodeURIComponent(path);
    const t = (compressionTask || '').trim();
    if (t) url += '&task=' + encodeURIComponent(t);
    const data = await apiFetch(url);
    if (data.error) { result.innerHTML = `<div class="empty-state"><p>${esc(data.error)}</p></div>`; return; }
    renderCompressionResult(data);
  } catch (e) { result.innerHTML = '<div class="empty-state"><p>Failed to load compression demo.</p></div>'; }
}

function renderCompressionResult(data) {
  const result = $('compressionResult');
  if (!result) return;
  const modes = data.modes || {};
  const modeKeys = ['map', 'signatures', 'reference', 'aggressive', 'entropy'];
  if (data.task) modeKeys.push('task');

  result.innerHTML = `
    <h3>Compression: ${esc(data.path.split('/').pop())} <span class="badge">${ff(data.original_tokens)} tokens &middot; ${ff(data.original_lines)} lines</span></h3>
    <div class="mode-tabs" id="compressionModeTabs">
      ${modeKeys.map(m => `<div class="mode-tab${m === compressionMode ? ' active' : ''}" onclick="switchCompressionMode('${m}')">${m} <span class="tag tg" style="margin-left:4px">${modes[m] ? modes[m].savings_pct+'%' : '---'}</span></div>`).join('')}
    </div>
    <div class="row r4" style="margin-bottom:12px">
      ${modeKeys.map(m => {
        const md = modes[m] || {};
        return `<div class="hc" style="padding:12px;text-align:center"><div class="hv" style="font-size:18px;color:var(--green)">${md.savings_pct || 0}%</div><div class="hl">${m}</div><div class="hs">${ff(md.tokens || 0)} tok</div></div>`;
      }).join('')}
    </div>
    <div id="compressionSplitPane"></div>`;
  renderCompressionPane(data);
}

function switchCompressionMode(mode) {
  compressionMode = mode;
  document.querySelectorAll('#compressionModeTabs .mode-tab').forEach(t => t.classList.toggle('active', t.textContent.trim().startsWith(mode)));
  if (compressionSelected) {
    const result = $('compressionResult');
    if (result && result.dataset.lastData) renderCompressionPane(JSON.parse(result.dataset.lastData));
    else selectCompressionFile(compressionSelected);
  }
}

function renderCompressionPane(data) {
  const result = $('compressionResult');
  if (result) result.dataset.lastData = JSON.stringify(data);
  const pane = $('compressionSplitPane');
  if (!pane) return;
  const modeData = (data.modes || {})[compressionMode] || {};
  const origLines = data.original_lines || 0;
  const compLines = (modeData.output || '').split('\n').length;
  const removedLines = Math.max(0, origLines - compLines);
  pane.innerHTML = `<div class="split-pane">
    <div class="split-side"><h4>Original <span class="badge">${ff(data.original_tokens)} tok &middot; ${ff(origLines)} lines</span></h4><pre style="color:var(--red);opacity:0.6">${removedLines > 0 ? '[-] '+ff(removedLines)+' lines removed by '+esc(compressionMode) : 'Full file'}</pre><pre style="max-height:400px;overflow:auto">${esc((data.original || modeData.output || '').substring(0, 5000))}</pre></div>
    <div class="split-side"><h4>${esc(compressionMode)} <span class="badge">${ff(modeData.tokens || 0)} tok &middot; ${modeData.savings_pct || 0}% saved</span></h4><pre style="max-height:400px;overflow:auto">${esc((modeData.output || '').substring(0, 5000) || 'No output')}</pre></div>
  </div>`;
}

async function loadAgents() {
  const container = $('view-agents');
  try {
    const data = await apiFetch('/api/agents');
    const agents = data.agents || [];
    container.innerHTML = `
      <div class="row r3" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${data.total_active || 0}</div><div class="hl">Active Agents</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${data.pending_messages || 0}</div><div class="hl">Pending Messages</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${data.shared_contexts || 0}</div><div class="hl">Shared Contexts</div></div>
      </div>
      <div id="agentTimeline"></div>
      ${howItWorks('Multi-Agent Coordination', 'LeanCTX supports <strong>multi-agent</strong> workflows where multiple AI coding assistants can work concurrently. Agents register themselves and share context through a <strong>scratchpad</strong> mechanism. Each agent has a <strong>type</strong> (parent, child, specialist), a <strong>role</strong> description, and a <strong>status</strong>. The system coordinates context sharing via <code>ctx_share</code> and task handoff via <code>ctx_agent(action=handoff)</code>.')}`;

    const timeline = $('agentTimeline');
    if (!agents.length) {
      timeline.innerHTML = '<div class="empty-state" style="padding:40px"><h2>No active agents</h2><p>Agents appear here when multi-agent workflows are running.</p></div>';
    } else {
      timeline.innerHTML = agents.map(a => {
        const st = (a.status || '').toLowerCase();
        const statusColor = st === 'active' ? 'active' : st === 'idle' ? 'idle' : 'offline';
        return `<div class="swimlane">
          <div class="agent-dot ${statusColor}"></div>
          <div class="agent-info">
            <div class="agent-name">${esc(a.id)}</div>
            <div class="agent-meta">${esc(a.type || '')} &middot; ${esc(a.role || '')} &middot; ${esc(a.status || '')} ${a.status_message ? ' &middot; '+esc(a.status_message) : ''}</div>
          </div>
          <div style="font-size:10px;color:var(--muted);font-family:var(--mono)">${a.last_active_minutes_ago != null ? a.last_active_minutes_ago+'m ago' : ''}</div>
        </div>`;
      }).join('');
    }
  } catch (e) { showError(container, 'Could not load agent data.'); }
}

async function loadBugs() {
  const container = $('view-bugs');
  try {
    const data = await apiFetch('/api/gotchas');
    const gotchas = data.gotchas || [];
    const stats = data.stats || {};

    container.innerHTML = `
      <div class="row r4" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${stats.total_errors_detected || 0}</div><div class="hl">Total Detected</div></div>
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${stats.total_prevented || 0}</div><div class="hl">Prevented</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${gotchas.length}</div><div class="hl">Active Gotchas</div></div>
        <div class="hc"><div class="hv" style="color:var(--yellow);font-size:24px">${stats.total_fixes_correlated || 0}</div><div class="hl">Fixes Correlated</div></div>
      </div>
      <div class="card">
        <h3>Gotcha Patterns</h3>
        <div style="overflow-x:auto">
        <table>
          <thead><tr><th>Severity</th><th>Category</th><th>Trigger</th><th>Resolution</th><th class="r">Seen</th><th class="r">Confidence</th><th class="r">Prevented</th></tr></thead>
          <tbody id="bugsTable"></tbody>
        </table>
        </div>
      </div>
      ${howItWorks('Bug Memory (Gotcha Tracker)', 'LeanCTX automatically detects <strong>error patterns</strong> by monitoring compiler/linter output. When the same error is seen multiple times, it becomes a <strong>gotcha</strong> with a trigger pattern and resolution. The system tracks <strong>confidence</strong> based on how often the pattern-fix correlation holds. When a known gotcha is about to recur, LeanCTX can <strong>prevent</strong> it by injecting the fix into context before the error happens.')}`;

    const tb = $('bugsTable');
    if (!gotchas.length) { tb.innerHTML = '<tr><td colspan="7" style="text-align:center;color:var(--muted);padding:20px">No gotchas detected yet</td></tr>'; return; }
    tb.innerHTML = gotchas.slice(0, 30).map(g => {
      const sevClass = g.severity === 'Critical' ? 'severity-critical' : g.severity === 'Warning' ? 'severity-warning' : 'severity-info';
      const conf = Math.round((g.confidence || 0) * 100);
      return `<tr>
        <td><span class="${sevClass}" style="font-weight:600">${esc(g.severity || 'Info')}</span></td>
        <td>${esc((g.category || '').toLowerCase())}</td>
        <td style="max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${esc(g.trigger)}</td>
        <td style="max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${esc(g.resolution)}</td>
        <td class="r">${g.occurrences || 1}x</td>
        <td class="r"><span class="tag ${conf >= 70 ? 'tg' : conf >= 40 ? 'ty' : 'td'}">${conf}%</span></td>
        <td class="r">${g.prevented_count || 0}</td>
      </tr>`;
    }).join('');
  } catch (e) { showError(container, 'Could not load bug memory data.'); }
}

async function loadSearch() {
  const container = $('view-search');
  try {
    const data = await apiFetch('/api/search-index');
    if (isBuildingData(data)) {
      showIndexing(container, 'Search index is building in the background. This view will refresh automatically in a few seconds.', 'search', loadSearch);
      return;
    }
    resetRetry('search');

    container.innerHTML = `
      <div class="row r3" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${ff(data.chunk_count || 0)}</div><div class="hl">Total Chunks</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${ff(data.doc_count || 0)}</div><div class="hl">Documents Indexed</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${Object.keys(data.language_distribution || {}).length}</div><div class="hl">Languages</div></div>
      </div>
      <div class="row r11">
        <div class="card">
          <h3>Language Distribution</h3>
          <canvas id="searchLangChart" style="max-height:300px"></canvas>
        </div>
        <div class="card">
          <h3>Top Chunks by Token Count</h3>
          <div style="overflow-x:auto;max-height:320px;overflow-y:auto">
          <table>
            <thead><tr><th>Symbol</th><th>File</th><th>Kind</th><th class="r">Tokens</th><th class="r">Lines</th></tr></thead>
            <tbody id="searchChunksTable"></tbody>
          </table>
          </div>
        </div>
      </div>
      <div class="card" style="margin-top:10px">
        <h3>Search Playground</h3>
        <div style="display:flex;gap:8px;margin-bottom:12px">
          <input id="searchPlaygroundInput" type="text" class="search-input" placeholder="Search your codebase (BM25)…" onkeydown="if(event.key==='Enter')runSearch()">
          <button class="btn" onclick="runSearch()" style="white-space:nowrap;padding:8px 20px">Search</button>
        </div>
        <div id="searchPlaygroundResults" style="font-size:12px;color:var(--muted)">Enter a query and press Enter to search.</div>
      </div>
      ${howItWorks('BM25 Search Index', 'The search index uses the <strong>BM25 (Best Matching 25)</strong> ranking algorithm, a probabilistic retrieval model. Source files are broken into <strong>chunks</strong> by function/class boundaries using tree-sitter. Each chunk is indexed with term frequency (TF) and inverse document frequency (IDF). BM25 uses parameters <code>k1=1.2</code> and <code>b=0.75</code> to balance term saturation and document length normalization.')}`;

    const langDist = data.language_distribution || {};
    const langEntries = Object.entries(langDist).sort((a,b) => b[1] - a[1]);
    const langColors = { rs:'#f87171', js:'#fbbf24', ts:'#38bdf8', tsx:'#38bdf8', py:'#34d399', go:'#818cf8', toml:'#f472b6', json:'#6b6b88', md:'#6b6b88', yaml:'#6b6b88' };

    if (langEntries.length && $('searchLangChart')) {
      if (charts.searchLang) charts.searchLang.destroy();
      charts.searchLang = new Chart($('searchLangChart'), {
        type: 'bar',
        data: {
          labels: langEntries.map(e => e[0] || 'unknown'),
          datasets: [{ data: langEntries.map(e => e[1]), backgroundColor: langEntries.map(e => (langColors[e[0]] || '#6b6b88') + '88'), borderRadius: 4, borderSkipped: false }],
        },
        options: { ...chartDefaults(), indexAxis: 'y', plugins: { legend: { display: false } }, scales: { x: { ...chartDefaults().scales.x }, y: { ...chartDefaults().scales.y, ticks: { color: '#6b6b88', font: { size: 10, family: 'var(--mono)' } } } } },
      });
    }

    const tb = $('searchChunksTable');
    const top = data.top_chunks_by_token_count || [];
    tb.innerHTML = top.map(c => `<tr>
      <td style="color:var(--text-bright)">${esc(c.symbol_name || '---')}</td>
      <td style="max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${esc(c.file_path)}</td>
      <td><span class="tag tp">${esc(c.kind || '')}</span></td>
      <td class="r">${ff(c.token_count)}</td>
      <td class="r">${c.start_line}-${c.end_line}</td>
    </tr>`).join('');
  } catch (e) { showError(container, 'Could not load search index data.'); }
}

async function runSearch() {
  const q = ($('searchPlaygroundInput') || {}).value || '';
  const el = $('searchPlaygroundResults');
  if (!el || !q.trim()) return;
  el.innerHTML = '<div class="loading-state" style="padding:20px">Searching…</div>';
  try {
    const data = await apiFetch('/api/search?q=' + encodeURIComponent(q.trim()) + '&limit=20', { timeoutMs: 5000 });
    if (isBuildingData(data)) {
      el.innerHTML = '<div style="color:var(--muted);padding:16px">Search index is still building…</div>';
      return;
    }
    const results = data.results || [];
    if (!results.length) {
      el.innerHTML = '<div style="color:var(--muted);padding:16px">No results for <strong>' + esc(q) + '</strong></div>';
      return;
    }
    el.innerHTML = '<div style="margin-bottom:8px;font-size:11px;color:var(--muted)">' + results.length + ' result(s) for <strong>' + esc(q) + '</strong></div>'
      + '<table style="width:100%;border-collapse:collapse"><thead><tr style="text-align:left;font-size:11px;color:var(--muted)"><th style="padding:6px">Score</th><th style="padding:6px">Symbol</th><th style="padding:6px">Kind</th><th style="padding:6px">File</th><th style="padding:6px">Lines</th></tr></thead><tbody>'
      + results.map(r => `<tr style="border-top:1px solid var(--border)"><td style="padding:6px;font-family:var(--mono);color:var(--yellow)">${r.score.toFixed(2)}</td><td style="padding:6px;font-family:var(--mono);color:var(--green)">${esc(r.symbol_name || '—')}</td><td style="padding:6px"><span style="background:var(--surface-2);padding:2px 6px;border-radius:4px;font-size:10px">${esc(r.kind)}</span></td><td style="padding:6px;font-size:11px;color:var(--muted);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${esc(r.file_path)}</td><td style="padding:6px;font-size:11px">${r.start_line}-${r.end_line}</td></tr>`)
      .join('')
      + '</tbody></table>'
      + (results.length > 0 ? '<div style="margin-top:12px"><div style="font-size:10px;color:var(--muted);margin-bottom:6px">Preview: ' + esc(results[0].symbol_name || results[0].file_path) + '</div><pre style="background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:12px;font-family:var(--mono);font-size:11px;line-height:1.6;max-height:200px;overflow:auto;white-space:pre-wrap;word-break:break-all">' + esc(results[0].snippet || '') + '</pre></div>' : '');
  } catch (e) {
    el.innerHTML = '<div style="color:var(--red);padding:16px">Search failed: ' + esc(e.message || 'unknown error') + '</div>';
  }
}

async function loadLearning() {
  const container = $('view-learning');
  try {
    const data = await apiFetch('/api/feedback');
    const thresholds = data.learned_thresholds || {};
    const outcomes = data.outcomes || [];
    const hasThresholds = Object.keys(thresholds).length > 0;

    container.innerHTML = `
      <div class="row r11">
        <div class="card">
          <h3>Learned Compression Thresholds</h3>
          <div id="learningThresholdsContainer">
            ${hasThresholds ? '<canvas id="learningThresholdsChart"></canvas>' : '<div class="empty-state" style="padding:30px"><p>No learned thresholds yet. LeanCTX adapts compression parameters as you use it.</p></div>'}
          </div>
        </div>
        <div class="card">
          <h3>Compression Outcomes</h3>
          <div id="learningOutcomesContainer">
            ${outcomes.length ? '<canvas id="learningOutcomesChart"></canvas>' : '<div class="empty-state" style="padding:30px"><p>No compression outcome data yet.</p></div>'}
          </div>
        </div>
      </div>
      ${howItWorks('Adaptive Learning', 'LeanCTX uses an <strong>exponential moving average (EMA)</strong> to adapt compression thresholds per language. After each tool call, the system records whether the compression was successful (agent completed the task) and the compression ratio achieved. Over time, the <strong>entropy threshold</strong> and <strong>Jaccard similarity threshold</strong> are tuned to maximize compression while maintaining task success. Languages with different information densities (e.g., Rust vs. JSON) naturally converge to different optimal thresholds.')}`;

    if (hasThresholds && $('learningThresholdsChart')) {
      const langs = Object.keys(thresholds);
      const entropy = langs.map(l => thresholds[l].entropy_threshold || thresholds[l].entropy || 0);
      const jaccard = langs.map(l => thresholds[l].jaccard_threshold || thresholds[l].jaccard || 0);

      if (charts.thresholds) charts.thresholds.destroy();
      charts.thresholds = new Chart($('learningThresholdsChart'), {
        type: 'bar',
        data: {
          labels: langs,
          datasets: [
            { label: 'Entropy', data: entropy, backgroundColor: 'rgba(52,211,153,0.5)', borderRadius: 4 },
            { label: 'Jaccard', data: jaccard, backgroundColor: 'rgba(129,140,248,0.5)', borderRadius: 4 },
          ],
        },
        options: { ...chartDefaults(), plugins: { legend: { display: true, position: 'bottom', labels: { color: '#6b6b88', font: { size: 9 }, usePointStyle: true, pointStyle: 'circle', padding: 12 } } } },
      });
    }

    if (outcomes.length && $('learningOutcomesChart')) {
      const scatterData = outcomes.slice(-200).map(o => {
        let ratio = o.compression_ratio || o.savings_pct || 0;
        if (!ratio && o.tokens_original > 0) {
          ratio = Math.round((o.tokens_saved / o.tokens_original) * 100);
        }
        return { x: ratio, y: o.task_completed ? 1 : 0 };
      });

      if (charts.outcomes) charts.outcomes.destroy();
      charts.outcomes = new Chart($('learningOutcomesChart'), {
        type: 'scatter',
        data: {
          datasets: [{
            data: scatterData,
            backgroundColor: scatterData.map(d => d.y ? 'rgba(52,211,153,0.6)' : 'rgba(248,113,113,0.6)'),
            pointRadius: 4,
          }],
        },
        options: {
          ...chartDefaults(),
          scales: {
            x: { ...chartDefaults().scales.x, title: { display: true, text: 'Compression Ratio', color: '#6b6b88', font: { size: 9 } } },
            y: { ...chartDefaults().scales.y, title: { display: true, text: 'Task Completed', color: '#6b6b88', font: { size: 9 } }, ticks: { ...chartDefaults().scales.y.ticks, callback: v => v ? 'Yes' : 'No', stepSize: 1 }, min: -0.2, max: 1.2 },
          },
        },
      });
    }
  } catch (e) { showError(container, 'Could not load learning data.'); }
}

// ─── Symbol Explorer ─────────────────────────────────
async function loadSymbols() {
  const container = $('view-symbols');
  if (!container) return;
  container.innerHTML = `
    <div style="margin-bottom:16px;display:flex;gap:8px;align-items:center">
      <input id="symSearch" type="text" class="search-input" placeholder="Search symbols…" style="flex:1" oninput="filterSymbols()">
      <select id="symKind" style="padding:12px 16px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:12px;outline:none;cursor:pointer" onchange="filterSymbols()">
        <option value="">All kinds</option>
        <option value="fn">Functions</option>
        <option value="struct">Structs</option>
        <option value="class">Classes</option>
        <option value="method">Methods</option>
        <option value="trait">Traits</option>
        <option value="enum">Enums</option>
      </select>
    </div>
    <div class="card">
    <h3>Symbol Table</h3>
    <div id="symResults" style="font-size:13px;overflow-x:auto"></div>
    </div>`;
  filterSymbols();
}
async function filterSymbols() {
  const q = ($('symSearch') || {}).value || '';
  const kind = ($('symKind') || {}).value || '';
  const params = new URLSearchParams();
  if (q) params.set('q', q);
  if (kind) params.set('kind', kind);
  try {
    const data = await apiFetch('/api/symbols?' + params.toString());
    const el = $('symResults');
    if (!el) return;
    if (isBuildingData(data)) {
      el.innerHTML = '<div style="color:var(--dim);padding:16px">Indexing symbols…</div>';
      scheduleRetry('symbols', filterSymbols);
      return;
    }
    resetRetry('symbols');
    if (!data || !data.length) { el.innerHTML = '<div style="color:var(--dim);padding:16px">No symbols found</div>'; return; }
    el.innerHTML = '<table style="width:100%;border-collapse:collapse"><thead><tr style="text-align:left;font-size:11px;color:var(--dim)"><th style="padding:6px">Name</th><th style="padding:6px">Kind</th><th style="padding:6px">File</th><th style="padding:6px">Lines</th><th style="padding:6px">Vis</th></tr></thead><tbody>'
      + data.map(s => `<tr style="border-top:1px solid var(--border)"><td style="padding:6px;font-family:var(--mono);color:var(--green)">${esc(s.name)}</td><td style="padding:6px"><span style="background:var(--surface-2);padding:2px 6px;border-radius:4px;font-size:11px">${esc(s.kind)}</span></td><td style="padding:6px;font-size:12px;color:var(--dim)">${esc(s.file)}</td><td style="padding:6px;font-size:12px">${s.start_line}-${s.end_line}</td><td style="padding:6px">${s.is_exported ? '⊛' : '−'}</td></tr>`).join('')
      + '</tbody></table>';
  } catch (e) { showError($('symResults'), 'Could not load symbols.'); }
}

// ─── Call Graph Visualizer ───────────────────────────
async function loadCallGraph() {
  const container = $('view-callgraph');
  if (!container) return;
  container.innerHTML = '<div style="color:var(--dim);padding:16px">Loading call graph…</div>';
  try {
    const data = await apiFetch('/api/call-graph', { timeoutMs: 15000 });
    if (isBuildingData(data)) {
      showIndexing(container, 'Call graph is building in the background. This view will refresh automatically in a few seconds.', 'callgraph', loadCallGraph);
      return;
    }
    resetRetry('callgraph');
    const edges = Array.isArray(data?.edges) ? data.edges : [];
    if (!edges.length) {
      const idxFiles = data?.indexed_file_count ?? 0;
      const idxSymbols = data?.indexed_symbol_count ?? 0;
      const analyzed = data?.analyzed_file_count ?? 0;
      showGuidedEmpty(container, 'No call graph data yet',
        'LeanCTX has not produced any call edges for this project yet.',
        [
          'Indexed files: ' + idxFiles, 'Indexed symbols: ' + idxSymbols,
          'Files analyzed for calls: ' + analyzed,
          idxFiles === 0
            ? 'Open the project root in LeanCTX so indexing can discover source files.'
            : 'If this project is large, let indexing finish and then refresh.',
        ], 'Refresh', 'loadCallGraph()');
      return;
    }
    const nodes = new Map();
    edges.forEach(e => {
      nodes.set(e.caller_symbol, (nodes.get(e.caller_symbol) || 0) + 1);
      nodes.set(e.callee_name, (nodes.get(e.callee_name) || 0) + 1);
    });
    const topNodes = [...nodes.entries()].sort((a,b) => b[1]-a[1]).slice(0, 50).map(n => n[0]);
    const topSet = new Set(topNodes);
    const filteredEdges = edges.filter(e => topSet.has(e.caller_symbol) || topSet.has(e.callee_name));
    const uniqueEdges = new Map();
    filteredEdges.forEach(e => {
      const key = e.caller_symbol + '→' + e.callee_name;
      if (!uniqueEdges.has(key)) uniqueEdges.set(key, { source: e.caller_symbol, target: e.callee_name, count: 1 });
      else uniqueEdges.get(key).count++;
    });
    const graphNodes = [...new Set([...uniqueEdges.values()].flatMap(e => [e.source, e.target]))].map(n => ({ id: n, count: nodes.get(n) || 0 }));
    const maxCount = Math.max(...graphNodes.map(n => n.count), 1);

    container.innerHTML = `
      <div class="row r3" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${edges.length}</div><div class="hl">Call Edges</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${graphNodes.length}</div><div class="hl">Symbols</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${[...uniqueEdges.values()].length}</div><div class="hl">Unique Calls</div></div>
      </div>
      <div class="d3-container" id="cgViz"></div>`;
    const graphEl = $('cgViz');
    const width = graphEl.clientWidth, height = graphEl.clientHeight || 500;
    graphEl.innerHTML = `<div class="graph-stats"><span>${graphNodes.length}</span> symbols &middot; <span>${[...uniqueEdges.values()].length}</span> edges</div><div class="graph-toolbar"><button id="cgValBtn" class="${callGraphShowValues ? 'active' : ''}" onclick="toggleCallGraphValues()" title="Toggle values">123</button><div class="tb-sep"></div><button onclick="zoomGraph(null,'cgViz',1.3)" title="Zoom In">+</button><button onclick="zoomGraph(null,'cgViz',0.7)" title="Zoom Out">−</button><button onclick="resetGraph(null,'cgViz')" title="Reset">⟲</button><div class="tb-sep"></div><button class="fs-toggle-btn" onclick="toggleGraphFullscreen('cgViz')" title="Fullscreen (F)">⛶</button></div><div class="graph-breadcrumb">Call Graph · <span style="color:var(--green)">Press Esc to exit</span></div><div class="graph-minimap"><canvas></canvas></div>`;

    const svg = d3.select('#cgViz').append('svg').attr('class', 'd3-graph').attr('width', width).attr('height', height);
    const defs = svg.append('defs');
    defs.append('marker').attr('id', 'arrowhead').attr('viewBox', '0 -5 10 10')
      .attr('refX', 20).attr('refY', 0).attr('markerWidth', 6).attr('markerHeight', 6)
      .attr('orient', 'auto').append('path').attr('d', 'M0,-4L8,0L0,4').attr('fill', 'rgba(52,211,153,0.3)');
    const gg = svg.append('g');
    const zoomBehavior = d3.zoom().scaleExtent([0.1, 8]).on('zoom', e => gg.attr('transform', e.transform));
    svg.call(zoomBehavior);
    graphEl._zoom = zoomBehavior; graphEl._svg = svg;

    const sim = d3.forceSimulation(graphNodes)
      .force('link', d3.forceLink([...uniqueEdges.values()]).id(d => d.id).distance(100))
      .force('charge', d3.forceManyBody().strength(-250))
      .force('center', d3.forceCenter(width/2, height/2))
      .force('collision', d3.forceCollide().radius(d => Math.min(5 + d.count * 1.5, 18) + 8));

    const linkData = [...uniqueEdges.values()];
    const link = gg.append('g').selectAll('line').data(linkData).join('line')
      .attr('stroke', 'rgba(52,211,153,0.12)').attr('stroke-width', d => Math.min(d.count, 4))
      .attr('marker-end', 'url(#arrowhead)');

    const edgeLabel = gg.append('g').selectAll('text').data(linkData.filter(e => e.count > 1)).join('text')
      .attr('class', 'cg-edge-label')
      .text(d => d.count);

    const nodeR = d => Math.min(5 + d.count * 1.5, 18);
    const glow = gg.append('g').selectAll('circle').data(graphNodes).join('circle')
      .attr('r', d => nodeR(d) * 2.5)
      .attr('fill', d => { const t = d.count / maxCount; return t > 0.6 ? 'rgba(52,211,153,0.08)' : t > 0.3 ? 'rgba(56,189,248,0.06)' : 'rgba(129,140,248,0.04)'; })
      .style('pointer-events', 'none');

    const nodeColor = d => { const t = d.count / maxCount; return t > 0.6 ? '#34d399' : t > 0.3 ? '#38bdf8' : '#818cf8'; };
    const node = gg.append('g').selectAll('circle').data(graphNodes).join('circle')
      .attr('r', d => nodeR(d))
      .attr('fill', nodeColor).attr('fill-opacity', 0.85)
      .attr('stroke', nodeColor).attr('stroke-width', 1.5).attr('stroke-opacity', 0.4)
      .style('cursor', 'pointer').style('transition', 'r .2s, stroke-opacity .2s')
      .call(d3.drag().on('start', (e,d) => { if(!e.active) sim.alphaTarget(0.3).restart(); d.fx=d.x; d.fy=d.y; })
        .on('drag', (e,d) => { d.fx=e.x; d.fy=e.y; })
        .on('end', (e,d) => { if(!e.active) sim.alphaTarget(0); d.fx=null; d.fy=null; }))
      .on('mouseover', function(e, d) {
        d3.select(this).attr('stroke-opacity', 1).attr('r', nodeR(d) * 1.3);
        const callsOut = [...uniqueEdges.values()].filter(edge => edge.source.id === d.id || edge.source === d.id).length;
        const callsIn = [...uniqueEdges.values()].filter(edge => edge.target.id === d.id || edge.target === d.id).length;
        showTooltip(e, `<div class="nt-title">${esc(d.id)}</div><div class="nt-row"><span class="nt-label">References</span><span class="nt-value">${d.count}</span></div><div class="nt-row"><span class="nt-label">Calls out</span><span class="nt-value">${callsOut}</span></div><div class="nt-row"><span class="nt-label">Called by</span><span class="nt-value">${callsIn}</span></div>`);
      })
      .on('mousemove', (e) => moveTooltip(e))
      .on('mouseout', function(e, d) { d3.select(this).attr('stroke-opacity', 0.4).attr('r', nodeR(d)); hideTooltip(); });

    const nodeCount = gg.append('g').selectAll('text').data(graphNodes).join('text')
      .attr('class', 'cg-node-count')
      .attr('text-anchor', 'middle')
      .attr('dy', '0.35em')
      .style('display', callGraphShowValues ? '' : 'none')
      .text(d => d.count >= 2 ? d.count : '');

    const label = gg.append('g').selectAll('text').data(graphNodes).join('text')
      .text(d => { const name = d.id.includes('::') ? d.id.split('::').pop() : d.id; return name.length > 20 ? name.substring(0,18)+'..' : name; })
      .attr('font-size', 10).attr('fill', 'rgba(255,255,255,0.55)')
      .attr('dx', d => nodeR(d) + 6).attr('dy', 4)
      .style('pointer-events', 'none');

    let cgTickCount = 0;
    sim.on('tick', () => {
      link.attr('x1', d => d.source.x).attr('y1', d => d.source.y).attr('x2', d => d.target.x).attr('y2', d => d.target.y);
      edgeLabel.attr('x', d => (d.source.x + d.target.x) / 2).attr('y', d => (d.source.y + d.target.y) / 2);
      glow.attr('cx', d => d.x).attr('cy', d => d.y);
      node.attr('cx', d => d.x).attr('cy', d => d.y);
      nodeCount.attr('x', d => d.x).attr('y', d => d.y);
      label.attr('x', d => d.x).attr('y', d => d.y);
      if (++cgTickCount % 10 === 0) updateMinimap('cgViz');
    });

    graphEl._sim = sim;

    applyCallGraphValuesState();
  } catch (e) { showError(container, 'Could not load call graph.'); }
}

// ─── Route Map ───────────────────────────────────────
async function loadRoutes() {
  const container = $('view-routes');
  if (!container) return;
  container.innerHTML = '<div style="color:var(--dim);padding:16px">Loading routes…</div>';
  try {
    const data = await apiFetch('/api/routes', { timeoutMs: 8000 });
    if (isBuildingData(data)) {
      showIndexing(container, 'Route map is building in the background. This view will refresh automatically in a few seconds.', 'routes', loadRoutes);
      return;
    }
    resetRetry('routes');
    const routes = Array.isArray(data) ? data : (Array.isArray(data?.routes) ? data.routes : []);
    if (!routes.length) {
      const idxFiles = data?.indexed_file_count ?? 0;
      const candidates = data?.route_candidate_count ?? 0;
      showGuidedEmpty(container, 'No HTTP routes found',
        'LeanCTX did not detect any supported HTTP route declarations in this project.',
        [
          'Indexed files: ' + idxFiles,
          'Route candidate files: ' + candidates,
          candidates === 0
            ? 'This project may not contain server route files.'
            : 'This project may use a routing style not yet recognized by LeanCTX.',
        ], 'Refresh', 'loadRoutes()');
      return;
    }
    const methodColors = { GET: '#34d399', POST: '#60a5fa', PUT: '#fbbf24', PATCH: '#c084fc', DELETE: '#f87171', HEAD: '#94a3b8', OPTIONS: '#94a3b8' };
    const methodCounts = {};
    routes.forEach(r => { methodCounts[r.method] = (methodCounts[r.method]||0)+1; });
    container.innerHTML = `
      <div class="row r4" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${routes.length}</div><div class="hl">Total Routes</div></div>
        ${Object.entries(methodCounts).slice(0,3).map(([m,c]) => `<div class="hc"><div class="hv" style="color:${methodColors[m]||'#6b6b88'};font-size:24px">${c}</div><div class="hl">${m}</div></div>`).join('')}
      </div>
      <div class="card">
        <h3>API Routes</h3>
        <div style="overflow-x:auto">
        <table><thead><tr><th>Method</th><th>Path</th><th>Handler</th><th>File</th><th class="r">Line</th></tr></thead><tbody>`
      + routes.map(r => `<tr><td><span style="background:${methodColors[r.method] || '#6b6b88'}22;color:${methodColors[r.method] || '#6b6b88'};padding:3px 10px;border-radius:4px;font-size:10px;font-weight:700;border:1px solid ${methodColors[r.method] || '#6b6b88'}33">${esc(r.method)}</span></td><td style="font-family:var(--mono);font-size:12px;color:var(--text-bright)">${esc(r.path)}</td><td style="font-size:12px;color:var(--green)">${esc(r.handler || '—')}</td><td style="font-size:11px;color:var(--muted);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap">${esc(r.file)}</td><td class="r">${r.line}</td></tr>`).join('')
      + `</tbody></table></div></div>`;
  } catch (e) { showError(container, 'Could not load routes.'); }
}

async function loadContextLayer() {
  const container = $('view-contextlayer');
  if (!container) return;
  container.innerHTML = '<div style="color:var(--muted);padding:16px">Loading Context Layer…</div>';
  try {
    const [pipeline, ledger, intent] = await Promise.all([
      apiFetch('/api/pipeline-stats', { timeoutMs: 5000 }).catch(() => ({})),
      apiFetch('/api/context-ledger', { timeoutMs: 5000 }).catch(() => ({})),
      apiFetch('/api/intent', { timeoutMs: 5000 }).catch(() => ({active:false})),
    ]);

    const pRuns = pipeline.runs || 0;
    const pSaved = Object.values(pipeline.per_layer || {}).reduce((s,a) => s + (a.total_input_tokens||0) - (a.total_output_tokens||0), 0);
    const lEntries = ledger.entries_count || 0;
    const lSent = ledger.total_tokens_sent || 0;
    const lSaved = ledger.total_tokens_saved || 0;
    const lRatio = ledger.compression_ratio || 0;
    const pressure = ledger.pressure || {};
    const pUtil = ((pressure.utilization || 0) * 100).toFixed(0);
    const pRec = pressure.recommendation || 'NoAction';
    const modeDist = ledger.mode_distribution || {};
    const entries = ledger.entries || [];
    const intentActive = intent.active || false;
    const intentData = intent.intent || {};

    const pressureColor = pUtil > 80 ? 'var(--red)' : pUtil > 60 ? 'var(--yellow)' : 'var(--green)';
    const pressureLabel = pRec === 'NoAction' ? 'Healthy' : pRec === 'SuggestCompression' ? 'Elevated' : pRec === 'ForceCompression' ? 'High' : 'Critical';

    container.innerHTML = `
      <div class="row r4" style="margin-bottom:16px">
        <div class="hc"><div class="hv" style="color:var(--green);font-size:24px">${fmt(pSaved)}</div><div class="hl">Pipeline Tokens Saved</div></div>
        <div class="hc"><div class="hv" style="color:var(--blue);font-size:24px">${pRuns}</div><div class="hl">Pipeline Runs</div></div>
        <div class="hc"><div class="hv" style="color:var(--purple);font-size:24px">${lEntries}</div><div class="hl">Ledger Entries</div></div>
        <div class="hc"><div class="hv" style="color:${pressureColor};font-size:24px">${pUtil}%</div><div class="hl">Context Pressure</div></div>
      </div>

      <div class="row" style="gap:16px;margin-bottom:16px">
        <div class="card" style="flex:1">
          <h3>Active Intent</h3>
          ${intentActive
            ? `<div style="margin-top:8px">
                <div style="display:flex;gap:8px;align-items:center;margin-bottom:8px">
                  <span style="background:var(--green-dim);color:var(--green);padding:3px 10px;border-radius:4px;font-size:11px;font-weight:700;border:1px solid var(--green)33">ACTIVE</span>
                  <span style="color:var(--text-bright);font-weight:600">${esc(intentData.task_type || 'unknown')}</span>
                  <span style="color:var(--muted);font-size:12px">conf: ${((intentData.confidence||0)*100).toFixed(0)}%</span>
                </div>
                <div style="font-size:12px;color:var(--muted)">Scope: ${esc(intentData.scope || '—')}</div>
                ${(intentData.targets||[]).length ? `<div style="font-size:12px;color:var(--muted);margin-top:4px">Targets: ${intentData.targets.map(t => `<code style="background:var(--surface-2);padding:1px 6px;border-radius:3px;font-size:11px">${esc(t)}</code>`).join(' ')}</div>` : ''}
                ${intentData.language_hint ? `<div style="font-size:12px;color:var(--muted);margin-top:4px">Language: ${esc(intentData.language_hint)}</div>` : ''}
              </div>`
            : '<div style="color:var(--muted);margin-top:8px;font-size:13px">No active intent detected yet. Intent is auto-inferred from file access patterns and preload queries.</div>'
          }
        </div>
        <div class="card" style="flex:1">
          <h3>Context Window</h3>
          <div style="margin-top:8px">
            <div style="background:var(--surface-2);border-radius:8px;height:20px;overflow:hidden;margin-bottom:8px;border:1px solid var(--border)">
              <div style="height:100%;width:${Math.min(100,pUtil)}%;background:linear-gradient(90deg,var(--green),${pressureColor});border-radius:8px;transition:width 0.5s"></div>
            </div>
            <div style="display:flex;justify-content:space-between;font-size:12px;color:var(--muted)">
              <span>${fmt(lSent)} tokens sent</span>
              <span>${fmt(pressure.remaining_tokens || 0)} remaining</span>
            </div>
            <div style="margin-top:8px;font-size:12px;color:${pressureColor};font-weight:600">${pressureLabel}</div>
          </div>
        </div>
      </div>

      <div class="row" style="gap:16px;margin-bottom:16px">
        <div class="card" style="flex:1">
          <h3>Pipeline Layers</h3>
          <div style="margin-top:8px">
            ${Object.entries(pipeline.per_layer || {}).map(([layer, agg]) => {
              const ratio = agg.total_input_tokens ? ((1 - agg.total_output_tokens / agg.total_input_tokens) * 100).toFixed(1) : '0.0';
              const avgMs = agg.count ? (agg.total_duration_us / agg.count / 1000).toFixed(1) : '0.0';
              return `<div style="display:flex;align-items:center;gap:8px;margin-bottom:6px">
                <span style="width:100px;font-size:12px;color:var(--text-bright);font-weight:600">${esc(layer)}</span>
                <div style="flex:1;background:var(--surface-2);border-radius:4px;height:12px;overflow:hidden">
                  <div style="height:100%;width:${Math.min(100,ratio)}%;background:var(--green);border-radius:4px"></div>
                </div>
                <span style="font-size:11px;color:var(--green);width:50px;text-align:right">${ratio}%</span>
                <span style="font-size:11px;color:var(--muted);width:60px;text-align:right">${avgMs}ms</span>
                <span style="font-size:11px;color:var(--muted);width:40px;text-align:right">${agg.count}x</span>
              </div>`;
            }).join('') || '<div style="color:var(--muted);font-size:13px">No pipeline data yet. Data appears after MCP tool calls.</div>'}
          </div>
        </div>
        <div class="card" style="flex:1">
          <h3>Mode Distribution</h3>
          <div style="margin-top:8px">
            ${Object.entries(modeDist).map(([mode, count]) => {
              const total = Object.values(modeDist).reduce((s,c) => s+c, 0);
              const pct = total ? (count / total * 100).toFixed(0) : 0;
              const colors = {full:'var(--blue)',map:'var(--green)',signatures:'var(--purple)',aggressive:'var(--yellow)',entropy:'var(--pink)',diff:'var(--red)'};
              return `<div style="display:flex;align-items:center;gap:8px;margin-bottom:6px">
                <span style="width:90px;font-size:12px;color:var(--text-bright)">${esc(mode)}</span>
                <div style="flex:1;background:var(--surface-2);border-radius:4px;height:12px;overflow:hidden">
                  <div style="height:100%;width:${pct}%;background:${colors[mode]||'var(--muted)'};border-radius:4px"></div>
                </div>
                <span style="font-size:11px;color:var(--muted);width:50px;text-align:right">${count}x (${pct}%)</span>
              </div>`;
            }).join('') || '<div style="color:var(--muted);font-size:13px">No mode data yet.</div>'}
          </div>
        </div>
      </div>

      ${entries.length ? `
      <div class="card">
        <h3>Context Ledger (last ${entries.length} entries)</h3>
        <div style="overflow-x:auto;margin-top:8px">
          <table><thead><tr><th>File</th><th>Mode</th><th class="r">Original</th><th class="r">Sent</th><th class="r">Saved</th></tr></thead><tbody>
          ${entries.map(e => {
            const saved = e.original_tokens - e.sent_tokens;
            const pctSaved = e.original_tokens ? ((saved / e.original_tokens) * 100).toFixed(0) : 0;
            return `<tr>
              <td style="font-family:var(--mono);font-size:11px;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-bright)">${esc(e.path)}</td>
              <td><span style="background:var(--surface-2);padding:2px 8px;border-radius:3px;font-size:10px;font-weight:600">${esc(e.mode)}</span></td>
              <td class="r" style="font-size:12px">${fmt(e.original_tokens)}</td>
              <td class="r" style="font-size:12px;color:var(--green)">${fmt(e.sent_tokens)}</td>
              <td class="r" style="font-size:12px;color:var(--green);font-weight:600">${pctSaved}%</td>
            </tr>`;
          }).join('')}
          </tbody></table>
        </div>
      </div>` : ''}
    `;
  } catch (e) { showError(container, 'Could not load Context Layer data.'); }
}

buildSidebar();
loadCurrentView();
checkPulse();
startPulsePolling();
</script>
</body>
</html>