areev-server 1.0.0

Web console and sync-hub server for Areev.
Documentation 
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<!doctype html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Areev</title>
<style>
  /* ── Console v2 · "cobalt" ────────────────────────────────────────────
     Pure white surfaces, one saturated cobalt carrying every action.
     Burnt orange = needs attention, red = destructive, teal = content
     address. Monospace is reserved for developer mode. Light is
     canonical; dark mirrors it token for token. Design source of truth
     is the Paper file "Areev", page "Console v2 — Redesign". */
  :root {
    color-scheme: light;
    --bg:#F6F7FB; --surface:#FFFFFF; --raise:#F1F3F8; --well:#F7F8FC;
    --line:#E3E6ED; --line2:#D5DAE6; --hair:#EDEFF4;
    --ink:#0B0D12; --text:#3E4657; --muted:#5A6072; --dim:#6E7686; --faint:#8B92A3; --ghost:#A8AEBC;
    --accent:#1F3BE0; --accent-hover:#1730BC; --accent-soft:#E8ECFF; --accent-line:#C2CCEE;
    --ok:#0F8A5F; --ok-soft:#E9F6F0; --ok-line:#CBE8DA;
    --warn:#C2410C; --warn-soft:#FFF3EC; --warn-line:#FBDCC8;
    --danger:#C81E1E; --danger-soft:#FDECEC; --danger-line:#F6CDCD;
    --hash:#0E8F82;
    --cat-person:#1F3BE0; --cat-org:#0E8F82; --cat-project:#7A3BE0;
    --cat-thing:#B45309; --cat-note:#F2542D;
    --sel:rgba(31,59,224,.20);
    --shadow:0 10px 30px rgba(11,13,18,.10);
    --card-shadow:0 1px 2px rgba(11,13,18,.04), 0 2px 6px rgba(11,13,18,.05);
    --sans:'Inter',-apple-system,system-ui,'Segoe UI',Roboto,sans-serif;
    --mono:ui-monospace,'SF Mono',SFMono-Regular,Menlo,Consolas,monospace;
    /* Layout measures. Widen with the viewport, but never past the point
       where a line of prose becomes tiring to read. */
    --col:880px; --wide:1500px;
  }
  @media (min-width:1500px) { :root { --col:1000px; --wide:1700px; } }
  @media (min-width:1800px) { :root { --col:1100px; --wide:1900px; } }
  @media (min-width:2200px) { :root { --col:1200px; --wide:2100px; } }
  @media (prefers-color-scheme: dark) { :root { color-scheme: dark;
    --bg:#0B0E14; --surface:#111621; --raise:#171D2A; --well:#0D121B;
    --line:#222A38; --line2:#333C4D; --hair:#1C2431;
    --ink:#F2F5FA; --text:#C9D1DE; --muted:#9AA4B7; --dim:#8B95A8; --faint:#79839A; --ghost:#5F6980;
    --accent:#7C93F5; --accent-hover:#95A9F8; --accent-soft:#1A2340; --accent-line:#39477A;
    --ok:#3DD68C; --ok-soft:#12251C; --ok-line:#255140;
    --warn:#F59E5B; --warn-soft:#2A1A11; --warn-line:#5A3A22;
    --danger:#F87171; --danger-soft:#2B1517; --danger-line:#5E2B2E;
    --hash:#3FCFC0;
    --cat-person:#7C93F5; --cat-org:#3FCFC0; --cat-project:#B39BFF;
    --cat-thing:#E0A458; --cat-note:#FF8A66;
    --sel:rgba(124,147,245,.32);
    --shadow:0 10px 30px rgba(0,0,0,.45);
    --card-shadow:0 1px 2px rgba(0,0,0,.30);
  } }
  :root[data-theme="light"] { color-scheme: light;
    --bg:#F6F7FB; --surface:#FFFFFF; --raise:#F1F3F8; --well:#F7F8FC;
    --line:#E3E6ED; --line2:#D5DAE6; --hair:#EDEFF4;
    --ink:#0B0D12; --text:#3E4657; --muted:#5A6072; --dim:#6E7686; --faint:#8B92A3; --ghost:#A8AEBC;
    --accent:#1F3BE0; --accent-hover:#1730BC; --accent-soft:#E8ECFF; --accent-line:#C2CCEE;
    --ok:#0F8A5F; --ok-soft:#E9F6F0; --ok-line:#CBE8DA;
    --warn:#C2410C; --warn-soft:#FFF3EC; --warn-line:#FBDCC8;
    --danger:#C81E1E; --danger-soft:#FDECEC; --danger-line:#F6CDCD;
    --hash:#0E8F82;
    --cat-person:#1F3BE0; --cat-org:#0E8F82; --cat-project:#7A3BE0;
    --cat-thing:#B45309; --cat-note:#F2542D;
    --sel:rgba(31,59,224,.20);
    --shadow:0 10px 30px rgba(11,13,18,.10);
    --card-shadow:0 1px 2px rgba(11,13,18,.04), 0 2px 6px rgba(11,13,18,.05);
  }
  :root[data-theme="dark"] { color-scheme: dark;
    --bg:#0B0E14; --surface:#111621; --raise:#171D2A; --well:#0D121B;
    --line:#222A38; --line2:#333C4D; --hair:#1C2431;
    --ink:#F2F5FA; --text:#C9D1DE; --muted:#9AA4B7; --dim:#8B95A8; --faint:#79839A; --ghost:#5F6980;
    --accent:#7C93F5; --accent-hover:#95A9F8; --accent-soft:#1A2340; --accent-line:#39477A;
    --ok:#3DD68C; --ok-soft:#12251C; --ok-line:#255140;
    --warn:#F59E5B; --warn-soft:#2A1A11; --warn-line:#5A3A22;
    --danger:#F87171; --danger-soft:#2B1517; --danger-line:#5E2B2E;
    --hash:#3FCFC0;
    --cat-person:#7C93F5; --cat-org:#3FCFC0; --cat-project:#B39BFF;
    --cat-thing:#E0A458; --cat-note:#FF8A66;
    --sel:rgba(124,147,245,.32);
    --shadow:0 10px 30px rgba(0,0,0,.45);
    --card-shadow:0 1px 2px rgba(0,0,0,.30);
  }

  * { box-sizing:border-box; margin:0; }
  html, body { height:100%; }
  /* The reading surface is the brightest plane; nav and developer chrome sit
     one step back on the tint. (The reverse reads as an unfinished page.) */
  body { background:var(--surface); color:var(--text); font:15px/1.55 var(--sans); -webkit-font-smoothing:antialiased; }
  a { color:var(--accent); text-decoration:none; }
  ::-webkit-scrollbar { width:10px; height:10px; }
  ::-webkit-scrollbar-thumb { background:var(--line2); border-radius:8px; border:3px solid transparent; background-clip:content-box; }
  :focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:4px; }
  @media (prefers-reduced-motion: reduce) { * { transition:none !important; animation:none !important; } }
  /* Developer mode: hidden by default, revealed by html.dev. Explicit
     display values (not `revert`, which would drop id-level flex rules). */
  /* Belt and braces against stored values that have no wrap opportunities
     (JSON, hashes, URLs): flex children must be allowed to shrink, and text
     must be allowed to break mid-token. Nothing may scroll the page sideways. */
  .mrow .say, .mrow .prov, .srow .t, .evi-row .t, .ev .say, .ans-text,
  .kv .v, #ginspect .meta { min-width:0; overflow-wrap:anywhere; }
  .mrow, .srow, .evi-row, .ev, .acts { min-width:0; }
  .dev-only { display:none !important; }
  html.dev .dev-only { display:block !important; }
  html.dev .dev-flex { display:flex !important; }

  /* ── shell ── */
  #shell { display:flex; min-height:100vh; align-items:stretch; }
  #rail { width:260px; flex-shrink:0; background:var(--bg); border-right:1px solid var(--line);
          padding:26px 18px 20px 22px; display:flex; flex-direction:column; gap:26px; position:sticky; top:0; height:100vh; }
  #main { flex:1; min-width:0; display:flex; flex-direction:column; }
  .page { padding:44px 56px 56px 48px; display:flex; flex-direction:column; gap:24px; }
  /* One reading column, centred in whatever space the rail leaves. A cap
     keeps line length sane; auto margins stop it hugging the rail on a wide
     monitor, where a left-pinned column just looks like a broken page. */
  .col { width:100%; max-width:var(--col); margin-left:auto; margin-right:auto; }
  .wide { width:100%; max-width:var(--wide); margin-left:auto; margin-right:auto; }
  /* ── query workbench ── */
  /* The composer is one surface holding the editor and everything you can do
     to it, so Run reads as the act and the rest as afterthoughts. */
  /* No overflow:hidden here — the Format menu is absolutely positioned inside
     the action bar, and clipping the composer clips the menu. Round the
     children instead. */
  .composer { background:var(--surface); border:1px solid var(--line2); border-radius:12px;
              box-shadow:var(--card-shadow); }
  /* The editor is a transparent textarea over a highlighted mirror: the caret,
     selection and IME stay native, the colour comes from the layer beneath. */
  .qedit { position:relative; }
  #qhl, #qtext { font-family:var(--mono); font-size:13px; line-height:21px;
                 padding:16px 18px; white-space:pre-wrap; overflow-wrap:break-word;
                 border:0; margin:0; }
  #qhl { position:absolute; inset:0; pointer-events:none; overflow:hidden;
         color:var(--text); border-radius:12px 12px 0 0; }
  #qtext { position:relative; width:100%; display:block; resize:none; overflow-y:auto;
           background:none; color:transparent; caret-color:var(--ink);
           border-radius:12px 12px 0 0; min-height:88px; max-height:340px; }
  #qtext::selection { background:var(--sel); }
  #qtext:focus { outline:none; }
  #qtext::placeholder { color:var(--faint); }
  #qhl .k { color:var(--ink); font-weight:600; }   /* RECALL, WHERE, LIMIT … */
  #qhl .s { color:var(--hash); }                   /* "quoted strings" */
  #qhl .n { color:var(--warn); }                   /* numbers */
  #qhl .c { color:var(--faint); }                  /* -- comments */
  .composer .cbar { display:flex; align-items:center; gap:9px; flex-wrap:wrap;
                    padding:11px 14px; border-top:1px solid var(--line);
                    background:var(--well); border-radius:0 0 12px 12px; }
  .composer .kbd { font-size:11.5px; font-weight:500; opacity:.75; }
  /* ── the on-ramp: what the page offers before you have run anything ── */
  .onramp { display:flex; flex-direction:column; gap:12px; }
  .qsec { display:flex; align-items:center; gap:11px; padding-top:10px; }
  .qsec i { flex:1; height:1px; background:var(--line); }
  /* Two across so the four questions read as a block, not a ragged row — and
     sized to hold two even when the developer rail takes 330px off the width. */
  .starters { display:grid; grid-template-columns:repeat(auto-fit, minmax(340px, 1fr)); gap:12px; }
  .starter { text-align:left; background:var(--surface); border:1px solid var(--line);
             border-radius:11px; padding:15px 16px; display:flex; flex-direction:column; gap:10px;
             cursor:pointer; transition:border-color .12s, box-shadow .12s; }
  .starter:hover { border-color:var(--accent-line); box-shadow:var(--card-shadow); }
  .starter b { font-size:15px; font-weight:600; color:var(--ink); line-height:21px; }
  /* the CAL each question writes, shown so the answer teaches the language */
  .starter code { font-family:var(--mono); font-size:11.5px; color:var(--muted); background:var(--bg);
                  border:0; border-radius:6px; padding:8px 10px; display:block;
                  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .vocab { display:grid; grid-template-columns:repeat(auto-fit, minmax(185px, 1fr)); gap:10px; }
  .vc { text-align:left; background:var(--surface); border:1px solid var(--line); border-radius:10px;
        padding:13px 14px; display:flex; flex-direction:column; gap:5px; cursor:pointer;
        transition:border-color .12s; }
  .vc:hover { border-color:var(--accent-line); }
  .vc .top { display:flex; align-items:baseline; gap:8px; }
  .vc .k { font-family:var(--mono); font-size:12.5px; color:var(--ink); flex:1; }
  .vc .n { font-size:17px; font-weight:600; color:var(--ink); }
  .vc small { font-size:12.5px; line-height:18px; color:var(--muted); }
  /* minmax(0,·) or a long description sets the column's min-content width and
     the two halves stop being halves. */
  .recents { display:grid; grid-template-columns:repeat(2, minmax(0, 1fr)); gap:12px 26px; }
  .rrow { display:flex; flex-direction:column; gap:3px; padding:9px 0; text-align:left;
          background:none; border:0; border-bottom:1px solid var(--hair); cursor:pointer; width:100%; }
  .rrow:hover .rq, .rrow:hover .rn { color:var(--accent); }
  /* A recent run is code and reads as code; a saved query has a human name. */
  .rrow .rq { font-family:var(--mono); font-size:11.5px; color:var(--text);
              white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .rrow .rn { font-size:14px; color:var(--ink); font-weight:500;
              white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .rrow .rm { font-size:12.5px; color:var(--faint);
              white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .rempty { padding:9px 0; font-size:13px; color:var(--faint); }
  /* Restate the query in plain words, so a non-technical reader can tell at a
     glance whether the CAL asked what they meant. */
  .qsum { display:flex; flex-direction:column; gap:3px; padding-bottom:13px; }
  .qsum .h { font-size:19px; font-weight:600; color:var(--ink); letter-spacing:-.01em; }
  .qsum .h em { font-style:normal; font-weight:400; font-size:15px; color:var(--muted); }
  #qbar { display:flex; align-items:center; gap:12px; flex-wrap:wrap;
          padding:12px 0; border-bottom:1px solid var(--line); }
  #qmore { padding:16px 0; }
  #qerr { background:var(--danger-soft); border:1px solid var(--danger-line); border-radius:10px;
          padding:12px 14px; font-size:13px; }
  #qerr .code { font-family:var(--mono); font-size:11px; color:var(--danger);
                border:1px solid var(--danger-line); border-radius:5px; padding:1px 6px; margin-right:8px; }
  #qerr pre { margin-top:8px; font-family:var(--mono); font-size:12.5px; color:var(--muted); white-space:pre-wrap; }
  #qerr .hint { margin-top:7px; color:var(--warn); }
  code { font-family:var(--mono); font-size:.92em; background:var(--raise); border:1px solid var(--line);
         border-radius:5px; padding:1px 5px; }
  .menuwrap { position:relative; display:inline-block; }
  /* A drawn chevron rather than the ▾ glyph, which renders thin and pale at
     this size and disappears against a ghost button. */
  .btn.hasmenu::after { content:''; width:6px; height:6px; flex-shrink:0; margin-left:2px;
                        border-right:1.7px solid currentColor; border-bottom:1.7px solid currentColor;
                        transform:translateY(-2px) rotate(45deg); }
  /* JSON is the developer's view of the answer — colour it the way the rest of
     this console colours values, so the meanings carry across. */
  .jsonv { line-height:19px; }
  .jsonv .jk { color:var(--ink); font-weight:600; }
  .jsonv .js { color:var(--hash); }
  .jsonv .jn { color:var(--warn); }
  .jsonv .jb { color:var(--ok); font-weight:500; }
  .jsonv .jz { color:var(--faint); }
  .menu { position:absolute; z-index:30; top:calc(100% + 6px); right:0; background:var(--surface);
          border:1px solid var(--line2); border-radius:11px; min-width:300px; max-width:460px;
          max-height:340px; overflow-y:auto; box-shadow:var(--shadow); padding:5px; }
  .menu .mi { padding:8px 11px; border-radius:8px; cursor:pointer; font-size:13px; color:var(--text); }
  .menu .mi:hover { background:var(--raise); }
  .menu .mi small { display:block; font-family:var(--mono); font-size:11px; color:var(--dim);
                    white-space:nowrap; overflow:hidden; text-overflow:ellipsis; margin-top:2px; }
  .menu .sep { padding:8px 11px 4px; font-size:11px; font-weight:600; letter-spacing:.09em; color:var(--dim); }
  /* order-preserving masonry: cards keep result order, heights vary with content */
  #qcards { display:grid; grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));
            grid-auto-rows:8px; gap:0 16px; }
  .qcard { background:var(--surface); border:1px solid var(--line); border-radius:12px;
           padding:14px 16px; display:flex; flex-direction:column; gap:8px;
           box-shadow:var(--card-shadow); overflow:hidden; }
  .qcard .hd { display:flex; align-items:center; gap:8px; }
  .qcard .kind { font-size:11px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; }
  .qcard .say { font-size:15px; line-height:22px; color:var(--ink); overflow-wrap:anywhere; }
  .qcard .kv { display:flex; gap:8px; font-size:12.5px; padding:3px 0; border-top:1px solid var(--hair); }
  .qcard .kv b { flex-shrink:0; min-width:84px; color:var(--dim); font-weight:500; }
  .qcard .kv span { color:var(--text); overflow-wrap:anywhere; min-width:0; }
  #qtable { width:100%; border-collapse:collapse; font-size:13.5px; }
  #qtable th { text-align:left; font-size:11px; font-weight:600; letter-spacing:.06em; color:var(--dim);
               text-transform:uppercase; padding:8px 12px 8px 0; border-bottom:1px solid var(--line2); white-space:nowrap; }
  #qtable td { padding:9px 12px 9px 0; border-bottom:1px solid var(--hair); vertical-align:top;
               max-width:340px; overflow-wrap:anywhere; }
  .seg.sm button { height:26px; padding:0 11px; font-size:12.5px; }
  /* The graph is a canvas, not prose — let it use the width, within reason. */
  #graphView { width:100%; max-width:var(--wide); margin-left:auto; margin-right:auto; }

  /* ── rail ── */
  .brand { display:flex; align-items:center; gap:9px; }
  .brand b { font-size:17px; font-weight:700; color:var(--ink); letter-spacing:-.02em; }
  .nav { display:flex; flex-direction:column; gap:2px; }
  .nav-item { display:flex; align-items:center; gap:11px; padding:9px 11px; border-radius:9px;
              cursor:pointer; color:var(--text); font-size:15px; font-weight:500; border:0; background:none;
              width:100%; text-align:left; font-family:inherit; transition:background .12s; }
  .nav-item:hover { background:var(--raise); }
  .nav-item.on { background:var(--accent-soft); color:var(--accent); font-weight:600; }
  .nav-item svg { flex-shrink:0; stroke:currentColor; }
  .nav-item .grow { flex:1; }
  .pill { display:inline-flex; align-items:center; justify-content:center; min-width:20px; height:20px;
          padding:0 6px; border-radius:10px; background:var(--warn); color:#fff; font-size:11px; font-weight:600; }
  .sec-label { font-size:11.5px; font-weight:600; color:var(--dim); letter-spacing:.09em; }
  #entities { display:flex; flex-direction:column; gap:1px; overflow-y:auto; min-height:0; }
  .ent { display:flex; align-items:center; gap:10px; padding:7px 11px; border-radius:8px; cursor:pointer;
         border:0; background:none; width:100%; text-align:left; font-family:inherit; transition:background .12s; }
  .ent:hover { background:var(--raise); }
  .ent.on { background:var(--accent-soft); }
  .ent .av { display:flex; align-items:center; justify-content:center; width:22px; height:22px; flex-shrink:0;
             border-radius:11px; background:var(--raise); color:var(--muted); font-size:10.5px; font-weight:600; }
  .ent.on .av { background:var(--accent); color:#fff; }
  .ent .nm { flex:1; font-size:14.5px; font-weight:500; color:var(--ink); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .ent .ct { width:22px; flex-shrink:0; text-align:right; font-size:13px; color:var(--faint); font-variant-numeric:tabular-nums; }
  .rail-foot { margin-top:auto; display:flex; flex-direction:column; gap:14px; padding:0 11px 2px; }
  .health { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--muted); cursor:pointer; }
  .dot { width:7px; height:7px; border-radius:4px; background:var(--ghost); flex-shrink:0; }
  .toggle-row { display:flex; align-items:center; gap:10px; padding-top:14px; border-top:1px solid var(--line); }
  .toggle-row span { flex:1; font-size:13.5px; color:var(--dim); }
  .sw { width:34px; height:20px; flex-shrink:0; border-radius:10px; background:var(--line2); padding:2px;
        display:flex; align-items:center; cursor:pointer; border:0; transition:background .15s; }
  .sw i { width:16px; height:16px; border-radius:8px; background:#fff; display:block; transition:transform .15s; }
  .sw.on { background:var(--accent); }
  .sw.on i { transform:translateX(14px); }

  /* ── type ── */
  h1 { font:700 31px/38px var(--sans); color:var(--ink); letter-spacing:-.025em; }
  h2 { font:700 15px var(--sans); color:var(--ink); letter-spacing:-.01em; }
  .sub { font-size:14.5px; line-height:22px; color:var(--muted); }
  .meta { font-size:13px; color:var(--dim); }
  .tiny { font-size:12.5px; color:var(--faint); }
  .mono { font-family:var(--mono); font-size:11.5px; color:var(--hash); }

  /* ── controls ── */
  button { font-family:inherit; cursor:pointer; }
  .btn { display:inline-flex; align-items:center; justify-content:center; gap:7px; height:40px; padding:0 20px;
         border-radius:10px; background:var(--accent); color:#fff; border:0; font-size:14.5px; font-weight:600;
         transition:background .12s; white-space:nowrap; flex-shrink:0; }
  .btn:hover { background:var(--accent-hover); }
  .btn.sm { height:34px; padding:0 15px; font-size:13px; border-radius:9px; }
  .btn.ghost { background:var(--surface); border:1px solid var(--line2); color:var(--text); font-weight:500; }
  .btn.ghost:hover { background:var(--raise); }
  .btn.danger { background:none; border:0; color:var(--danger); font-weight:600; padding:0; height:auto; }
  .btn:disabled { opacity:.5; cursor:default; }
  .chip { padding:6px 13px; border-radius:16px; border:1px solid var(--line); background:var(--surface);
          font-size:13.5px; color:var(--text); cursor:pointer; transition:border-color .12s, color .12s; }
  .chip:hover { border-color:var(--line2); }
  .chip.on { background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600; }
  .seg { display:inline-flex; padding:3px; border-radius:10px; background:var(--raise); }
  .seg button { height:30px; padding:0 15px; border-radius:8px; border:0; background:none; color:var(--muted);
                font-size:13.5px; font-weight:500; }
  .seg button.on { background:var(--surface); color:var(--accent); font-weight:600; box-shadow:0 1px 2px rgba(11,13,18,.06); }
  .tabs { display:flex; align-items:flex-end; gap:26px; border-bottom:1px solid var(--line); }
  .tabs button { padding:0 0 11px; border:0; background:none; font-size:14.5px; font-weight:500; color:var(--muted); }
  .tabs button.on { color:var(--accent); font-weight:600; box-shadow:inset 0 -2px 0 var(--accent); }
  input[type=text], textarea { font-family:inherit; background:var(--surface); border:1px solid var(--line2);
    border-radius:10px; color:var(--ink); padding:9px 12px; font-size:14px; width:100%; }
  input[type=text]:focus, textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }

  /* ── ask ── */
  .askbar { display:flex; align-items:center; gap:13px; height:56px; padding:0 14px 0 18px; background:var(--surface);
            border:1px solid var(--line2); border-radius:13px; transition:border-color .12s, box-shadow .12s; }
  .askbar:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
  .askbar input { border:0; background:none; padding:0; font-size:16px; flex:1; }
  .askbar input:focus { outline:none; box-shadow:none; }
  .askbar input::placeholder { color:var(--faint); }
  .examples { display:flex; align-items:center; gap:8px; flex-wrap:wrap; padding:0 2px; }
  .examples .tiny { flex-shrink:0; }

  /* ── cards & banners ── */
  /* On a white page a card needs its own lift, not fill contrast. */
  .card { background:var(--surface); border:1px solid var(--line); border-radius:14px; box-shadow:var(--card-shadow); }
  .banner { display:flex; align-items:center; gap:12px; padding:13px 16px; border-radius:11px;
            background:var(--warn-soft); border:1px solid var(--warn-line); }
  .banner .grow { flex:1; font-size:14.5px; color:var(--text); }
  .banner b { color:var(--ink); font-weight:600; }
  .banner .go { flex-shrink:0; font-size:14px; font-weight:600; color:var(--accent); cursor:pointer; }
  .empty { padding:34px 0; text-align:center; color:var(--dim); font-size:14px; }
  .planv { display:flex; flex-direction:column; padding-top:6px; }
  .prow { display:flex; gap:14px; padding:10px 0; border-bottom:1px solid var(--hair); font-size:13.5px; }
  .prow b { width:104px; flex-shrink:0; color:var(--dim); font-weight:500; }
  .prow span { color:var(--text); font-family:var(--mono); font-size:12.5px; }
  .pnote { margin-top:14px; padding:12px 14px; background:var(--warn-soft);
           border:1px solid var(--warn-line); border-radius:9px; font-size:13px;
           line-height:20px; color:var(--text); }
  /* A query that matched nothing is a normal outcome, not an error — say what
     was asked and offer the next thing to try, rather than a dead end. */
  .nores { display:flex; flex-direction:column; align-items:flex-start; gap:9px;
           padding:30px 26px; background:var(--surface); border:1px solid var(--line);
           border-radius:12px; }
  .nores .t { font-size:17px; font-weight:600; color:var(--ink); }
  .nores .d { font-size:14px; line-height:21px; color:var(--muted); max-width:62ch; }
  .nores .acts { display:flex; gap:9px; flex-wrap:wrap; padding-top:4px; }
  /* Colour carries meaning here, never decoration: teal is a content address
     everywhere in this console, burnt orange is "needs attention". */
  .v-hash { color:var(--hash); font-family:var(--mono); font-size:11.5px; }
  .v-time { color:var(--dim); }
  .v-yes  { color:var(--ok); font-weight:500; }
  .v-no   { color:var(--warn); font-weight:500; }
  .v-num  { color:var(--ink); font-weight:500; font-variant-numeric:tabular-nums; }

  /* ── memory list ── */
  .grp-head { display:flex; align-items:baseline; gap:10px; padding:22px 0 10px; }
  .grp-head:first-child { padding-top:6px; }
  .mrow { display:flex; align-items:flex-start; gap:18px; padding:14px 8px 14px 0; border-top:1px solid var(--hair);
          cursor:pointer; border-radius:8px; transition:background .1s; }
  .mrow:hover { background:var(--raise); }
  .mrow.sel { background:var(--accent-soft); }
  .mrow .body { flex:1; display:flex; flex-direction:column; gap:4px; min-width:0; }
  .mrow .say { font-size:16.5px; line-height:25px; color:var(--ink); }
  .mrow .prov { font-size:13px; line-height:20px; color:var(--dim); }
  .mrow .when { width:96px; flex-shrink:0; text-align:right; font-size:13px; color:var(--dim); padding-top:4px; }
  .mrow.gone .say { color:var(--ghost); text-decoration:line-through; }
  .mrow.sup .say { color:var(--muted); }

  /* ── answer ── */
  #answer { display:flex; flex-direction:column; padding:28px 30px 0; }
  .ans-label { font-size:11.5px; font-weight:600; color:var(--accent); letter-spacing:.09em; }
  .ans-text { font-size:20px; line-height:31px; color:var(--ink); letter-spacing:-.01em; }
  .srow { display:flex; align-items:center; gap:14px; padding:11px 0; border-bottom:1px solid var(--hair); cursor:pointer; }
  .srow:last-child { border-bottom:0; }
  .srow .t { flex:1; font-size:15px; color:var(--ink); }
  .srow .w { width:96px; flex-shrink:0; text-align:right; font-size:13px; color:var(--dim); }
  .disclose { display:flex; align-items:center; gap:10px; padding:15px 0 18px; border-top:1px solid var(--hair);
              cursor:pointer; font-size:14px; color:var(--text); }
  .disclose .grow { flex:1; }
  .disclose .caret { transition:transform .15s; }
  .disclose.open .caret { transform:rotate(90deg); }
  pre.code { font-family:var(--mono); font-size:13px; line-height:21px; color:var(--ink); background:var(--well);
             border:1px solid var(--hair); border-radius:10px; padding:14px 16px; overflow-x:auto; white-space:pre-wrap;
             word-break:break-word; }

  /* ── graph ── */
  #gwrap { background:var(--well); border:1px solid var(--line); border-radius:16px; overflow:hidden; }
  /* The query workbench draws its own result graph (#qstage/#qcanvas/#qzoom);
     it shares this chrome so the two graphs read — and handle — the same. */
  #gstage, #qstage { position:relative; }
  #gcanvas { display:block; width:100%; height:560px; cursor:grab; }
  #qcanvas { display:block; width:100%; height:460px; cursor:grab;
             background:var(--well); border:1px solid var(--line); border-radius:14px; }
  #gcanvas.grabbing, #qcanvas.grabbing { cursor:grabbing; }
  .float { position:absolute; background:var(--surface); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); }
  #gtools { top:16px; left:16px; display:flex; align-items:center; gap:10px; background:none; border:0; box-shadow:none; }
  #glegend { bottom:16px; left:16px; display:flex; align-items:center; gap:14px; height:34px; padding:0 14px; border-radius:17px; }
  #glegend span { display:flex; align-items:center; gap:6px; font-size:12.5px; color:var(--text); white-space:nowrap; }
  #gzoom { bottom:16px; right:16px; display:flex; align-items:center; height:34px; padding:0 4px; border-radius:17px; }
  #qzoom { bottom:14px; right:14px; display:flex; align-items:center; height:34px; padding:0 4px; border-radius:17px; }
  #gzoom button, #qzoom button { width:30px; height:28px; border:0; background:none; color:var(--text); font-size:16px; border-radius:14px; }
  #gzoom button.lbl, #qzoom button.lbl { width:auto; padding:0 10px; font-size:12px; font-weight:600; color:var(--accent); }
  #ginspect { top:16px; right:16px; width:288px; padding:18px; display:flex; flex-direction:column; gap:14px; }
  #gscrub { display:flex; flex-direction:column; gap:11px; padding:16px 20px 18px; background:var(--surface); border-top:1px solid var(--line); }
  #gscrub input[type=range] { width:100%; accent-color:var(--accent); }
  .scrub-ticks { display:flex; justify-content:space-between; font-size:11.5px; color:var(--faint); }

  /* ── suggestions ── */
  /* Page-level stacks own the rhythm between blocks; `.stack` is an inner
     group whose own rows carry their separators, so it takes no gap. */
  #sugList, #conBody { display:flex; flex-direction:column; gap:16px; }
  .stack { display:flex; flex-direction:column; }
  .sug { display:flex; flex-direction:column; gap:16px; padding:24px 28px 22px; }
  .tag { display:inline-flex; align-items:center; gap:7px; padding:4px 10px 4px 8px; border-radius:14px; font-size:12px; font-weight:600; }
  .evi { display:flex; flex-direction:column; background:var(--well); border:1px solid var(--hair); border-radius:11px; padding:2px 16px; }
  .evi-row { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--hair); }
  .evi-row:last-child { border-bottom:0; }
  .evi-row .t { flex:1; font-size:15px; color:var(--ink); }
  .evi-row .w { width:140px; flex-shrink:0; text-align:right; font-size:13px; color:var(--dim); }
  .acts { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
  .acts .note { flex:1; text-align:right; font-size:13.5px; color:var(--dim); }
  /* The confirm step replaces the action row rather than sitting under it —
     three live buttons at once is a guessing game. */
  .reason { display:flex; flex-direction:column; gap:9px; padding:14px 16px;
            background:var(--well); border:1px solid var(--line); border-radius:11px; }
  .reason .line { display:flex; align-items:center; gap:10px; }

  /* ── activity ── */
  .ev { display:flex; align-items:flex-start; gap:16px; padding:14px 0; border-top:1px solid var(--hair); }
  .ev .at { width:52px; flex-shrink:0; font-size:13px; color:var(--dim); padding-top:3px; }
  .ev .ic { width:18px; flex-shrink:0; display:flex; justify-content:center; padding-top:5px; }
  .ev .body { flex:1; display:flex; flex-direction:column; gap:3px; min-width:0; }
  .ev .say { font-size:15.5px; color:var(--ink); }

  /* ── connect ── */
  .apps { display:flex; gap:16px; }
  .app { flex:1; display:flex; flex-direction:column; gap:8px; background:var(--well); border:1px solid var(--line);
         border-radius:12px; padding:14px 16px; }
  .app .hd { display:flex; align-items:center; gap:9px; }
  .app .hd b { flex:1; font-size:14.5px; font-weight:600; color:var(--ink); }
  .conns { display:flex; }
  .conns div { flex:1; display:flex; justify-content:center; }
  .conns i { width:2px; height:22px; background:var(--line2); display:block; border-radius:1px; }
  .hubbar { display:flex; align-items:center; gap:14px; background:var(--accent-soft); border:1.5px solid var(--accent);
            border-radius:12px; padding:16px 18px; }
  .kv { display:flex; align-items:baseline; gap:12px; padding:9px 0; border-top:1px solid var(--hair); }
  .kv .k { width:190px; flex-shrink:0; font-size:13.5px; color:var(--dim); }
  .kv .v { flex:1; font-size:14px; color:var(--ink); word-break:break-word; }

  /* ── panel ── */
  #panelWrap { position:fixed; inset:0; z-index:40; }
  #panelShade { position:absolute; inset:0; background:rgba(11,13,18,.35); backdrop-filter:blur(2px); }
  #panel { position:absolute; top:0; right:0; bottom:0; width:min(430px,96vw); background:var(--surface);
           border-left:1px solid var(--line2); box-shadow:var(--shadow); padding:28px 30px 32px; overflow-y:auto;
           display:flex; flex-direction:column; gap:24px; }
  .pgroup { display:flex; flex-direction:column; gap:14px; padding-top:20px; border-top:1px solid var(--hair); }
  .step { display:flex; gap:14px; }
  .step .rail { display:flex; flex-direction:column; align-items:center; width:10px; flex-shrink:0; gap:4px; }
  .step .bul { width:10px; height:10px; border-radius:5px; background:var(--ok); flex-shrink:0; }
  .step .bul.past { background:var(--surface); border:1.5px solid var(--line2); }
  .step .ln { width:1px; flex:1; background:var(--line); }

  /* ── dev sidebar ── */
  #devbar { width:330px; flex-shrink:0; background:var(--bg); border-left:1px solid var(--line);
            padding:26px 22px 28px; display:flex; flex-direction:column; gap:24px; position:sticky; top:0;
            height:100vh; overflow-y:auto; }
  .oprow { display:flex; align-items:center; gap:10px; padding:7px 0; border-bottom:1px solid var(--hair);
           cursor:pointer; font-family:var(--mono); font-size:11.5px; }
  .oprow .t { width:30px; flex-shrink:0; color:var(--ghost); }
  .oprow .o { width:70px; flex-shrink:0; }
  /* What the operation wrote, in words — the address is on hover. Sans, because
     this is prose now; teal mono only when we fall back to a bare hash. */
  .oprow .h { flex:1; min-width:0; font-family:var(--sans); font-size:12.5px; color:var(--text);
              overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .oprow .h.addr { font-family:var(--mono); font-size:11.5px; color:var(--hash); }
  .oprow .h.sys { color:var(--faint); }   /* the engine talking to itself */

  /* ── toast ── */
  #toast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:var(--ink); color:var(--bg);
           border-radius:10px; padding:10px 20px; font-size:14px; z-index:99; box-shadow:var(--shadow); display:none; }

  @media (max-width:1180px) { #devbar { display:none !important; } }
  @media (max-width:900px) { #rail { display:none; } .page { padding:28px 22px 44px; } }

  /* Last word: `hidden` must beat every id-level display rule above. */
  [hidden] { display:none !important; }
</style>
<script>
(function () {
  var q = new URLSearchParams(location.search);
  var t = q.get('theme') || localStorage.getItem('areev.theme');
  if (t === 'light' || t === 'dark') document.documentElement.dataset.theme = t;
  var d = q.get('dev');
  if (d === '1' || (d !== '0' && localStorage.getItem('areev.dev') === '1'))
    document.documentElement.classList.add('dev');
})();
</script>

<div id="shell">
  <nav id="rail">
    <div class="brand">
      <svg width="22" height="22" viewBox="0 0 24 24" aria-hidden="true"><rect x="7.5" y="2.5" width="14" height="14" rx="4.5" fill="none" stroke="var(--accent-line)" stroke-width="2"/><rect x="2.5" y="7.5" width="14" height="14" rx="4.5" fill="var(--accent)"/></svg>
      <b>Areev</b>
    </div>

    <div class="nav" id="nav">
      <button class="nav-item on" data-page="memory">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M5 4.5A1.5 1.5 0 016.5 3H17a1.5 1.5 0 011.5 1.5V21l-6.5-3.4L5.5 21V4.5z" stroke-width="1.7" stroke-linejoin="round"/></svg>
        <span class="grow">Memory</span>
      </button>
      <button class="nav-item" data-page="activity">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M3 12.5h4.2l2.6-7 4.2 13 2.4-6h4.6" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/></svg>
        <span class="grow">Activity</span>
      </button>
      <button class="nav-item" data-page="runs">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M5 4.5v15l13-7.5-13-7.5z" stroke-width="1.7" stroke-linejoin="round"/></svg>
        <span class="grow">Runs</span>
        <span class="pill" id="runPill" hidden>0</span>
      </button>
      <button class="nav-item" data-page="suggestions">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M12 3.5l1.9 4.9 4.9 1.9-4.9 1.9L12 17.1l-1.9-4.9L5.2 10.3l4.9-1.9L12 3.5z" stroke-width="1.7" stroke-linejoin="round"/></svg>
        <span class="grow">Suggestions</span>
        <span class="pill" id="sugPill" hidden>0</span>
      </button>
      <button class="nav-item" data-page="connect">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M9.5 14.5l5-5M8 12l-2 2a3.5 3.5 0 005 5l2-2M16 12l2-2a3.5 3.5 0 00-5-5l-2 2" stroke-width="1.7" stroke-linecap="round"/></svg>
        <span class="grow">Connect</span>
      </button>
      <button class="nav-item" data-page="query">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none"><path d="M4.5 6.5h15M4.5 12h9M4.5 17.5h12" stroke-width="1.7" stroke-linecap="round"/><path d="M16.5 15.5l2.2 2.2" stroke-width="1.7" stroke-linecap="round"/><circle cx="15" cy="14" r="2.6" stroke-width="1.7"/></svg>
        <span class="grow">Query</span>
      </button>
    </div>

    <div style="display:flex;flex-direction:column;gap:9px;min-height:0">
      <span class="sec-label" style="padding:0 11px">PEOPLE &amp; TOPICS</span>
      <div id="entities"><span class="tiny" style="padding:0 11px">loading…</span></div>
    </div>

    <div class="rail-foot">
      <div class="health" id="health" title="check every stored memory against its content address">
        <span class="dot" id="hdot"></span><span id="htext">checking…</span>
      </div>
      <div class="toggle-row" id="whorow" style="display:none">
        <span id="whoami" title="the principal this session is bound to">…</span>
        <button id="signbtn" style="background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0">Sign in</button>
      </div>
      <div class="toggle-row">
        <span>Developer mode</span>
        <button class="sw" id="devsw" aria-label="developer mode"><i></i></button>
      </div>
      <div class="toggle-row" style="border:0;padding-top:0">
        <span>Dark mode</span>
        <button class="sw" id="themesw" aria-label="dark mode"><i></i></button>
      </div>
      <span class="tiny" id="dblabel" style="overflow:hidden;text-overflow:ellipsis;white-space:nowrap">{{DB}}</span>
    </div>
  </nav>

  <main id="main">
    <!-- ── MEMORY ── -->
    <section class="page" id="page-memory">
      <div style="display:flex;align-items:flex-end;gap:16px" class="col">
        <div style="flex:1;display:flex;flex-direction:column;gap:7px">
          <h1 id="memTitle">What your agent remembers</h1>
          <span class="sub" id="memSub">loading…</span>
        </div>
        <div class="seg" id="mview">
          <button class="on" data-v="list">List</button>
          <button data-v="graph">Graph</button>
        </div>
      </div>

      <div id="listView" style="display:flex;flex-direction:column;gap:24px">
        <div class="col" style="display:flex;flex-direction:column;gap:11px">
          <div class="askbar">
            <svg width="19" height="19" viewBox="0 0 24 24" fill="none" style="flex-shrink:0"><circle cx="11" cy="11" r="6.6" stroke="var(--accent)" stroke-width="1.8"/><path d="M16 16l4.2 4.2" stroke="var(--accent)" stroke-width="1.8" stroke-linecap="round"/></svg>
            <input type="text" id="ask" placeholder="Search your memories — or ask a question and press Enter" autocomplete="off">
            <button class="btn sm" id="askBtn">Ask</button>
          </div>
          <div class="examples" id="examples"></div>
        </div>

        <div class="banner col" id="sugBanner" hidden>
          <svg width="18" height="18" viewBox="0 0 24 24" fill="none" style="flex-shrink:0"><path d="M12 3.5l1.9 4.9 4.9 1.9-4.9 1.9L12 17.1l-1.9-4.9L5.2 10.3l4.9-1.9L12 3.5z" stroke="var(--warn)" stroke-width="1.7" stroke-linejoin="round"/></svg>
          <span class="grow" id="sugBannerText"></span>
          <span class="go" id="sugBannerGo">Review →</span>
        </div>

        <div class="col" id="filterBar" hidden></div>
        <div class="card col" id="answer" hidden></div>
        <div class="col" id="memList"><div class="empty">loading…</div></div>
      </div>

      <div id="graphView" hidden>
        <div id="gwrap">
         <div id="gstage">
          <canvas id="gcanvas"></canvas>
          <div class="float" id="gtools">
            <div style="display:flex;align-items:center;gap:9px;height:36px;width:250px;padding:0 12px;background:var(--surface);border:1px solid var(--line);border-radius:10px">
              <svg width="15" height="15" viewBox="0 0 24 24" fill="none" style="flex-shrink:0"><circle cx="11" cy="11" r="6.6" stroke="var(--dim)" stroke-width="1.9"/><path d="M16 16l4.2 4.2" stroke="var(--dim)" stroke-width="1.9" stroke-linecap="round"/></svg>
              <input type="text" id="gjump" placeholder="Jump to anyone…" style="border:0;background:none;padding:0;font-size:13.5px">
            </div>
            <div class="seg" id="gdepth" style="background:var(--surface);border:1px solid var(--line)">
              <button class="on" data-d="1">Direct</button><button data-d="2">2 steps</button>
            </div>
          </div>
          <div class="float" id="glegend"></div>
          <div class="float" id="gzoom">
            <button id="gout" title="zoom out">−</button><button id="gin" title="zoom in">+</button><button class="lbl" id="gfit">Fit</button>
          </div>
          <div class="float" id="ginspect" hidden></div>
         </div>
          <div id="gscrub">
            <div style="display:flex;align-items:center;gap:9px">
              <svg width="15" height="15" viewBox="0 0 24 24" fill="none" style="flex-shrink:0"><circle cx="12" cy="12" r="8.5" stroke="var(--muted)" stroke-width="1.8"/><path d="M12 7.5V12l3 2" stroke="var(--muted)" stroke-width="1.8" stroke-linecap="round"/></svg>
              <b style="font-size:13.5px;color:var(--ink)">Rewind</b>
              <span class="meta" style="flex:1">drag to see what your agent knew at any point — nothing is ever deleted from the history</span>
              <span class="chip on" id="gnow" style="height:26px;padding:0 12px;display:inline-flex;align-items:center">now</span>
            </div>
            <input type="range" id="grange" min="0" max="100" value="100">
            <div class="scrub-ticks" id="gticks"></div>
          </div>
        </div>
      </div>
    </section>

    <!-- ── ACTIVITY ── -->
    <section class="page" id="page-activity" hidden>
      <div class="col" style="display:flex;flex-direction:column;gap:7px">
        <h1>Activity</h1>
        <span class="sub">Everything your agent learned, changed, or forgot — newest first.</span>
      </div>
      <div class="examples col" id="actFilters"></div>
      <div class="col" id="actList"><div class="empty">loading…</div></div>
    </section>

    <!-- ── SUGGESTIONS ── -->
    <section class="page" id="page-suggestions" hidden>
      <div class="col" style="display:flex;flex-direction:column;gap:7px">
        <h1>Suggestions</h1>
        <span class="sub">Ways to make this memory more reliable. Nothing is changed until you approve it, and every change can be undone.</span>
      </div>
      <div class="col" style="display:flex;align-items:center;gap:16px">
        <div class="tabs" id="sugTabs" style="flex:1">
          <button class="on" data-s="pending">Needs review</button>
          <button data-s="applied">Applied</button>
          <button data-s="rejected">Dismissed</button>
        </div>
        <button class="btn sm" id="runLoop">Run analysis</button>
      </div>
      <div class="col" id="sugList"><div class="empty">loading…</div></div>
    </section>

    <!-- ── RUNS: the governed runtime viewer + HITL approval queue ── -->
    <section class="page" id="page-runs" hidden>
      <div class="col" style="display:flex;flex-direction:column;gap:7px">
        <h1>Runs</h1>
        <span class="sub">Governed workflow runs: journaled, checkpointed, pausable. A run waiting on a person shows its approval below — approving requires your own sign-in (a shared console token is refused: the approver's identity is the audit record).</span>
      </div>
      <div class="col" id="runList"><div class="empty">loading…</div></div>
    </section>

    <!-- ── CONNECT ── -->
    <section class="page" id="page-connect" hidden>
      <div class="col" style="display:flex;flex-direction:column;gap:7px">
        <h1>Connect</h1>
        <span class="sub">Attach agents to this memory, and keep every app your customers reach you through remembering the same things.</span>
      </div>
      <div class="tabs col" id="conTabs">
        <button class="on" data-c="agent">Your agent</button>
        <button data-c="sync">Sync across apps</button>
        <button data-c="settings">Settings</button>
      </div>
      <div class="col" id="conBody"></div>
    </section>

    <!-- ── QUERY ── -->
    <section class="page" id="page-query" hidden>
      <div class="col" style="display:flex;align-items:center;gap:16px">
        <h1>Query</h1>
        <div style="flex:1"></div>
        <button class="btn ghost sm" id="qreset" hidden>New query</button>
      </div>
      <span class="col sub" id="qintro">Ask the memory a precise question. Every view in this console
        runs the same language underneath — start from an example below and edit it.</span>

      <div class="col composer">
        <div class="qedit">
          <div id="qhl" aria-hidden="true"></div>
          <textarea id="qtext" spellcheck="false" rows="3"
            placeholder='RECALL facts WHERE subject = "john" LIMIT 20'></textarea>
        </div>
        <div class="cbar">
          <button class="btn sm" id="qrun">Run <span class="kbd">⌘⏎</span></button>
          <button class="btn ghost sm" id="qexplain">Explain</button>
          <button class="btn ghost sm" id="qsave">Save</button>
          <div class="menuwrap"><button class="btn ghost sm hasmenu" id="fmtBtn">Format</button>
            <div class="menu" id="fmtMenu" hidden></div></div>
          <div style="flex:1"></div>
          <span class="tiny" id="qnotice"></span>
        </div>
      </div>
      <div class="col" id="qerr" hidden></div>

      <div class="col onramp" id="qonramp">
        <div class="qsec"><span class="sec-label">START FROM A QUESTION</span><i></i>
          <span class="tiny">Each one writes real CAL into the editor — edit it from there</span></div>
        <div class="starters" id="qstarters"></div>
        <div class="qsec"><span class="sec-label">WHAT’S IN THIS MEMORY</span><i></i>
          <span class="tiny">Swap any of these for <code>facts</code> in a query</span></div>
        <div class="vocab" id="qvocab"></div>
        <div class="qsec"><span class="sec-label">SAVED &amp; RECENT</span><i></i>
          <div class="menuwrap"><button class="btn ghost sm hasmenu" id="savedBtn">All saved</button>
            <div class="menu" id="savedMenu" hidden></div></div>
          <div class="menuwrap"><button class="btn ghost sm hasmenu" id="histBtn">Full history</button>
            <div class="menu" id="histMenu" hidden></div></div></div>
        <div class="recents" id="qrecents"></div>
      </div>

      <div class="col" id="qresult" hidden>
        <div id="qsummary"></div>
        <div id="qbar"></div>
        <div id="qbody"></div>
        <div id="qmore" hidden></div>
      </div>
    </section>
  </main>

  <aside id="devbar" class="dev-only dev-flex">
    <div style="display:flex;flex-direction:column;gap:11px">
      <span class="sec-label">STORE</span>
      <div id="devStats"></div>
    </div>
    <div style="display:flex;flex-direction:column;gap:0">
      <span class="sec-label" style="padding-bottom:12px">OP LOG</span>
      <div id="devLog"></div>
    </div>
    <div style="display:flex;flex-direction:column;gap:9px;margin-top:auto">
      <span class="sec-label">CAL</span>
      <span class="tiny">Every view here runs CAL underneath. The full workbench —
        history, saved queries, templates and every output format — lives on the Query page.</span>
      <button class="btn ghost sm" id="devQuery">Open Query →</button>
    </div>
  </aside>
</div>

<div id="panelWrap" hidden><div id="panelShade"></div><aside id="panel"></aside></div>
<div id="toast"></div>

<script>
'use strict';
const $ = id => document.getElementById(id);
const esc = s => String(s == null ? '' : s).replace(/&/g,'&amp;').replace(/</g,'&lt;')
  .replace(/>/g,'&gt;').replace(/"/g,'&quot;').replace(/'/g,'&#39;');
const el = (tag, cls, txt) => { const n = document.createElement(tag); if (cls) n.className = cls;
  if (txt != null) n.textContent = txt; return n; };

/* ══ api ══════════════════════════════════════════════════════════════ */
let TOKEN = sessionStorage.getItem('areev.token') || '';
async function api(url, opts) {
  opts = Object.assign({}, opts);
  if (TOKEN) opts.headers = Object.assign({}, opts.headers, { Authorization: 'Bearer ' + TOKEN });
  let r;
  try { r = await fetch(url, opts); } catch (e) { return { ok: false, error: 'network error' }; }
  if (r.status === 401) {
    const t = window.prompt('This console is protected. Paste its token:');
    if (t) { TOKEN = t; sessionStorage.setItem('areev.token', t); return api(url, opts); }
    return { ok: false, error: 'not authorised' };
  }
  try { return await r.json(); } catch (e) { return { ok: false, error: 'bad response' }; }
}
const cal = q => api('/api/cal', { method: 'POST', headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ query: q }) });

/* Identity: in multi-principal mode (areev ui --auth) the rail shows who
   this session is bound to; Sign in stores a bearer token, Sign out
   drops back to the read-only anonymous session. */
async function refreshWhoami() {
  const w = await api('/api/whoami');
  if (!w || !w.ok || w.mode !== 'credentials') return;
  const row = $('whorow'); row.style.display = '';
  $('whoami').textContent = w.owner ? 'Owner session' : w.principal;
  $('signbtn').textContent = TOKEN ? 'Sign out' : 'Sign in';
}
document.addEventListener('DOMContentLoaded', () => {
  const btn = $('signbtn');
  if (btn) btn.addEventListener('click', () => {
    if (TOKEN) { TOKEN = ''; sessionStorage.removeItem('areev.token'); }
    else {
      const t = window.prompt('Paste your access token:');
      if (!t) return;
      TOKEN = t; sessionStorage.setItem('areev.token', t);
    }
    location.reload();
  });
  refreshWhoami();
});

/* ══ helpers ══════════════════════════════════════════════════════════ */
function toast(msg) {
  const t = $('toast'); t.textContent = msg; t.style.display = 'block';
  clearTimeout(toast._h); toast._h = setTimeout(() => { t.style.display = 'none'; }, 2000);
}
function copyText(s, label) {
  if (!navigator.clipboard) { toast('copy unavailable'); return; }
  navigator.clipboard.writeText(s).then(() => toast((label || 'Copied') + ' ✓'), () => toast('Copy failed'));
}
function download(name, text, mime) {
  const a = document.createElement('a');
  a.href = URL.createObjectURL(new Blob([text], { type: mime || 'application/json' }));
  a.download = name; a.click(); URL.revokeObjectURL(a.href);
}
const hlcMs = h => Math.floor((h || 0) / 65536);
const shortHash = h => h ? h.slice(0, 12) + '…' : '';
const cap = s => s ? s.charAt(0).toUpperCase() + s.slice(1) : '';
/* Capitalise names that read as words ("john" → "John"), but leave
   identifiers alone — "Payment_gateway" and "Contract-9107" look wrong. */
const titleize = s => /^[a-z]+( [a-z]+)*$/.test(String(s || '')) ? cap(s) : String(s || '');
const lowerFirst = s => s ? s.charAt(0).toLowerCase() + s.slice(1) : '';
function relTime(ms) {
  if (!ms) return '';
  const d = Date.now() - ms;
  if (d < 45000) return 'just now';
  const m = Math.floor(d / 60000); if (m < 60) return m + (m === 1 ? ' minute ago' : ' minutes ago');
  const h = Math.floor(m / 60); if (h < 24) return h + (h === 1 ? ' hour ago' : ' hours ago');
  const dd = Math.floor(h / 24); if (dd < 30) return dd + (dd === 1 ? ' day ago' : ' days ago');
  const mo = Math.floor(dd / 30); return mo + (mo === 1 ? ' month ago' : ' months ago');
}
const shortWhen = ms => {
  if (!ms) return '';
  const d = Date.now() - ms;
  if (d < 45000) return 'now';
  const m = Math.floor(d / 60000); if (m < 60) return m + 'm';
  const h = Math.floor(m / 60); if (h < 24) return h + 'h';
  const dd = Math.floor(h / 24); if (dd < 30) return dd + 'd';
  return Math.floor(dd / 30) + 'mo';
};
const dayKey = ms => new Date(ms).toDateString();
function dayLabel(ms) {
  const k = dayKey(ms), today = new Date().toDateString();
  const y = new Date(Date.now() - 86400000).toDateString();
  if (k === today) return 'TODAY';
  if (k === y) return 'YESTERDAY';
  return new Date(ms).toLocaleDateString(undefined, { day: 'numeric', month: 'long' }).toUpperCase();
}
const clock = ms => new Date(ms).toLocaleTimeString(undefined, { hour: '2-digit', minute: '2-digit' });
const isoTitle = ms => ms ? new Date(ms).toISOString() : '';
/* created_at rides as epoch millis (a number) on stored grains, but an ISO
   string on anything hand-written — accept both, never NaN. */
function createdMs(f) {
  const c = f && f.created_at;
  if (typeof c === 'number') return c;
  if (typeof c === 'string') { const p = Date.parse(c); return isNaN(p) ? 0 : p; }
  return 0;
}
/* Some writers (areev remember, memory-tool imports) tuck the human text
   inside `context` rather than a top-level field. Dig for it — a memory
   that renders as an empty row is worse than no row at all. */
function ctxText(f) {
  const c = f && f.context;
  if (!c || typeof c !== 'object') return '';
  for (const k of ['content', 'text', 'message', 'summary', 'description']) {
    if (typeof c[k] === 'string' && c[k].trim()) return c[k];
  }
  return '';
}
function preview(f) {
  if (!f) return '';
  const v = f.object != null ? f.object : f.content != null ? f.content
    : f.description != null ? f.description : f.tool_content != null ? f.tool_content
    : f.summary != null ? f.summary : f.title != null ? f.title
    : ctxText(f) ? ctxText(f)
    : f.data != null ? JSON.stringify(f.data) : '';
  const s = typeof v === 'string' ? v : JSON.stringify(v);
  return s.length > 140 ? s.slice(0, 140) + '…' : s;
}
const cssVar = n => getComputedStyle(document.documentElement).getPropertyValue(n).trim();

/* ══ language: a triple, said out loud ════════════════════════════════ */
const REL_PHRASE = {
  prefers: 'Prefers {o}', likes: 'Likes {o}', dislikes: 'Dislikes {o}',
  works_at: 'Works at {o}', employed_by: 'Works at {o}', member_of: 'Is a member of {o}',
  lives_in: 'Lives in {o}', based_in: 'Is based in {o}', headquartered_in: 'Headquartered in {o}',
  owns_project: 'Owns the {o} project', maintains: 'Maintains {o}', works_on: 'Works on {o}',
  collaborates_with: 'Collaborates with {o}', knows: 'Knows {o}', reports_to: 'Reports to {o}',
  asked_about: 'Asked about {o}', email: 'Email is {o}', phone: 'Phone number is {o}',
  role: 'Role is {o}', title: 'Title is {o}', speaks: 'Speaks {o}', located_in: 'Is located in {o}',
};
/* No sentence is allowed to be a wall of text. A fact's object can be a
   serialized record (the loop stores recommendations as Facts), and an
   unbroken 1.5 KB of JSON has no wrap opportunities — it just blows the
   column out sideways. */
const MAX_SAY = 180;
const clampText = s => s.length > MAX_SAY ? s.slice(0, MAX_SAY).trimEnd() + '…' : s;
function predicate(g) {
  const f = g.fields || {};
  if (g.type === 'fact') {
    const r = f.relation || '', o = f.object;
    const os = clampText(typeof o === 'string' ? o : JSON.stringify(o == null ? '' : o));
    const tpl = REL_PHRASE[r];
    if (tpl) return tpl.replace('{o}', os);
    if (!r) return os;
    return cap(r.replace(/_/g, ' ')) + ' ' + os;
  }
  const fallback = 'A ' + (g.type || 'memory') + ' with no readable text';
  if (g.type === 'tool') {
    const name = f.tool_name || 'A tool';
    const body = f.tool_content || ctxText(f) || '';
    return name + (f.is_error ? ' failed' : ' ran') + (body ? ' — ' + clampText(body) : '');
  }
  if (g.type === 'observation') return f.content || f.object || ctxText(f) || fallback;
  if (g.type === 'event') return f.content || f.description || preview(f) || fallback;
  if (g.type === 'goal') return f.description || f.content || preview(f) || fallback;
  return preview(f) || fallback;
}
function sentence(g) {
  const f = g.fields || {}, p = predicate(g);
  if (!f.subject) return p;
  const s = String(f.subject);
  /* Observations and events are free text that usually names the subject
     already — prefixing it again gives "john john asked about…". */
  if (p.toLowerCase().startsWith(s.toLowerCase())) return cap(p);
  return titleize(s) + ' ' + lowerFirst(p);
}
/* Where did this come from, in words a human can check. Returned in parts so
   callers that already show a timestamp can drop the "Learned …" one. */
function provenanceParts(g) {
  const f = g.fields || {}, bits = [];
  const prevGrain = f.derived_from && BYHASH[f.derived_from];
  const was = g._prevValue
    || (prevGrain ? (typeof (prevGrain.fields || {}).object === 'string'
        ? prevGrain.fields.object : preview(prevGrain.fields)) : null);
  if (was) bits.push('Changed from ' + was);
  const when = createdMs(f) || hlcMs(g.hlc);
  if (!bits.length) bits.push('Learned ' + relTime(when));
  if (g.type === 'observation') bits.push('noticed by your agent, not confirmed');
  if (f.namespace && f.namespace !== 'shared') bits.push('in ' + f.namespace);
  if (typeof f.confidence === 'number' && f.confidence < 0.75) bits.push('low confidence');
  return bits;
}
const provenance = g => provenanceParts(g).join(' · ');

/* ══ state ════════════════════════════════════════════════════════════ */
let BROWSE = [], BYHASH = {}, STATS = {}, CONFIG = null, LOG = [], RECS = {}, TELEMETRY = null;
let PAGE = 'memory', MVIEW = 'list', SUGTAB = 'pending', CONTAB = 'agent', ACTFILTER = 'all';
let ENTITY = null, ANSWER = null, SEL = null, ACTIVE_ENTS = [];
const isGone = g => !!(g.forgotten || g.missing || g.op === 'forget');
const isCurrent = g => !isGone(g) && !g.superseded_by && !g._stale;
/* Areev Loop keeps its own bookkeeping in the file (namespace "areev-loop",
   subject "__loop_state__"). It is a real grain, but it is not something
   the agent remembers *about anyone* — keep it out of the human views.
   It stays reachable from the op-log and the CAL console. */
const INTERNAL_NS = new Set(['areev-loop']);
function isInternal(g) {
  const f = g.fields || {};
  if (INTERNAL_NS.has(f.namespace)) return true;
  const s = f.subject;
  return typeof s === 'string' && /^__.*__$/.test(s);
}
const currentGrains = () => BROWSE.filter(g => isCurrent(g) && !isInternal(g));

/* The store keeps one head per (namespace, subject, relation) — a plain
   re-ADD of the same pair replaces the old value without logging a
   SUPERSEDE, so /api/browse cannot tell us which row is live. Resolve it
   the same way the store does: within a key, the newest op wins. Without
   this the list shows a replaced value as if it were current. */
function headHashes(grains) {
  const best = new Map();
  for (const g of grains) {
    if (isGone(g) || (g.type && g.type !== 'fact')) continue;
    const f = g.fields || {};
    if (!f.subject || !f.relation) continue;
    const k = (f.namespace || '') + '' + f.subject + '' + f.relation;
    const cur = best.get(k);
    if (!cur || (g.op_seq || 0) > (cur.op_seq || 0)) best.set(k, g);
  }
  const out = new Set();
  for (const g of best.values()) out.add(g.hash);
  return out;
}
function markHeads() {
  const heads = headHashes(BROWSE);
  const byKey = new Map();
  for (const g of BROWSE) {
    g._stale = false; g._prevValue = null;
    if (isGone(g) || (g.type && g.type !== 'fact')) continue;
    const f = g.fields || {};
    if (!f.subject || !f.relation) continue;
    const k = (f.namespace || '') + '' + f.subject + '' + f.relation;
    if (!byKey.has(k)) byKey.set(k, []);
    byKey.get(k).push(g);
  }
  for (const list of byKey.values()) {
    list.sort((a, b) => (a.op_seq || 0) - (b.op_seq || 0));
    list.forEach((g, i) => {
      g._stale = !heads.has(g.hash);
      if (!g._stale && i > 0) {
        const p = list[i - 1].fields || {};
        g._prevValue = typeof p.object === 'string' ? p.object : null;
      }
    });
  }
}

/* ══ entities ═════════════════════════════════════════════════════════ */
const PERSONISH = new Set(['prefers','likes','dislikes','works_at','lives_in','employed_by','knows',
  'collaborates_with','owns_project','reports_to','asked_about','email','phone','speaks','role','title']);
const ORGISH = new Set(['works_at','employed_by','member_of','customer_of']);
const PROJECTISH = new Set(['owns_project','maintains','works_on','assigned_to']);
const PLACEISH = new Set(['lives_in','based_in','headquartered_in','located_in']);
/* A tool call carries no subject, but it is plainly *about* the tool —
   without this every tool call falls into one anonymous "Everything else"
   heap. The graph opts out (a tool with no relations would be a lone dot). */
const subjectOf = (g, withTools) => {
  const f = g.fields || {};
  return f.subject || (withTools !== false && g.type === 'tool' ? f.tool_name : null) || null;
};
function buildEntities(grains, opts) {
  const withTools = !(opts && opts.tools === false);
  const map = new Map();
  const ensure = n => { if (!map.has(n)) map.set(n, { name: n, kind: 'thing', count: 0, deg: 0 }); return map.get(n); };
  for (const g of grains) {
    const f = g.fields || {};
    const s = subjectOf(g, withTools);
    if (s) ensure(s).count++;
    if (g.type === 'fact' && typeof f.object === 'string' && f.object && f.object.length <= 64) ensure(f.object).deg++;
  }
  for (const g of grains) {
    const f = g.fields || {}, r = f.relation || '';
    if (f.subject && PERSONISH.has(r)) ensure(f.subject).kind = 'person';
    if (g.type === 'fact' && typeof f.object === 'string' && map.has(f.object)) {
      const e = map.get(f.object);
      if (ORGISH.has(r)) e.kind = 'org';
      else if (PROJECTISH.has(r)) e.kind = 'project';
      else if (PLACEISH.has(r)) e.kind = 'org';
    }
  }
  return [...map.values()].sort((a, b) => (b.count - a.count) || (b.deg - a.deg) || a.name.localeCompare(b.name));
}
const KIND_VAR = { person: '--cat-person', org: '--cat-org', project: '--cat-project',
  thing: '--cat-thing', note: '--cat-note' };

/* ══ boot ═════════════════════════════════════════════════════════════ */
async function boot() {
  /* The server hands us the full path; show the file name and keep the
     path in the tooltip so the rail stays readable. */
  const full = ($('dblabel').textContent || '').trim();
  DB_PATH = full;
  $('dblabel').textContent = full.split('/').pop() || full;
  $('dblabel').title = full;
  wireChrome();
  applyHash();
  await Promise.all([loadStats(), loadBrowse(), loadLog(), loadConfig(), loadCaps()]);
  verify();
  await loadRecs('pending');
  if (PAGE === 'connect' && CONTAB === 'sync') await loadSegments();
  if (PAGE === 'suggestions' && !RECS[SUGTAB]) await loadRecs(SUGTAB);
  render();
  if (PAGE === 'memory' && MVIEW === 'graph') Graph.mount();
  addEventListener('hashchange', () => { if (applyHash()) { render(); if (MVIEW === 'graph') Graph.mount(); } });
}
let DB_PATH = '';
async function loadStats() { STATS = await api('/api/stats') || {}; }
async function loadConfig() { CONFIG = await api('/api/config'); }
async function loadBrowse() {
  const r = await api('/api/browse?limit=2000');
  BROWSE = (r && r.ok && r.grains) ? r.grains : [];
  BYHASH = {};
  for (const g of BROWSE) BYHASH[g.hash] = g;
  markHeads();
}
async function loadLog() { const r = await api('/api/log?limit=400'); LOG = Array.isArray(r) ? r : []; }
/* "Needs review" also covers `approved` — a recommendation you approved but
   whose apply did not land would otherwise belong to no tab at all. */
const TAB_STATUS = { pending: ['pending', 'approved'], applied: ['applied'], rejected: ['rejected'] };
async function loadRecs(tab) {
  const out = [];
  for (const s of (TAB_STATUS[tab] || [tab])) {
    const r = await api('/api/loop/recommendations?status=' + encodeURIComponent(s));
    if (r && r.ok && Array.isArray(r.recommendations)) out.push(...r.recommendations);
  }
  RECS[tab] = out;
  if (tab === 'pending') {
    const n = out.length;
    $('sugPill').hidden = !n; $('sugPill').textContent = n;
  }
}
async function verify() {
  const v = await api('/api/verify');
  const ok = v && v.integrity === 'ok';
  $('hdot').style.background = ok ? 'var(--ok)' : 'var(--danger)';
  $('htext').textContent = ok ? 'All memories verified' : 'Integrity problem — click';
  $('health').title = v && v.integrity
    ? 'integrity ' + v.integrity + ' · ' + v.grains + ' grains · ' + v.hash_mismatches + ' mismatches'
    : 'verification unavailable';
}
async function refresh() {
  await Promise.all([loadStats(), loadBrowse(), loadLog()]);
  await loadRecs('pending');
  render();
}

/* ══ chrome ═══════════════════════════════════════════════════════════ */
function wireChrome() {
  $('nav').querySelectorAll('.nav-item').forEach(b => { b.onclick = () => go(b.dataset.page); });
  $('mview').querySelectorAll('button').forEach(b => {
    b.onclick = () => { MVIEW = b.dataset.v; render(); if (MVIEW === 'graph') Graph.mount(); };
  });
  $('devsw').onclick = () => {
    const on = document.documentElement.classList.toggle('dev');
    localStorage.setItem('areev.dev', on ? '1' : '0');
    $('devsw').classList.toggle('on', on);
    render();
  };
  $('devsw').classList.toggle('on', document.documentElement.classList.contains('dev'));
  $('themesw').onclick = () => {
    const cur = document.documentElement.dataset.theme
      || (matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');
    const next = cur === 'dark' ? 'light' : 'dark';
    document.documentElement.dataset.theme = next;
    localStorage.setItem('areev.theme', next);
    $('themesw').classList.toggle('on', next === 'dark');
    Graph.recolor(); render();
  };
  $('themesw').classList.toggle('on',
    (document.documentElement.dataset.theme || (matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light')) === 'dark');
  $('health').onclick = verify;

  $('askBtn').onclick = () => runAsk($('ask').value);
  $('ask').addEventListener('keydown', e => { if (e.key === 'Enter') runAsk($('ask').value); });
  $('ask').addEventListener('input', () => { if (!$('ask').value) { ANSWER = null; }
    renderExamples(); renderMemList(); });
  $('sugBannerGo').onclick = () => go('suggestions');
  $('sugTabs').querySelectorAll('button').forEach(b => {
    b.onclick = async () => { SUGTAB = b.dataset.s; if (!RECS[SUGTAB]) await loadRecs(SUGTAB); render(); };
  });
  $('conTabs').querySelectorAll('button').forEach(b => { b.onclick = () => { CONTAB = b.dataset.c; render(); }; });
  $('runLoop').onclick = runAnalysis;
  /* the run button is a write too — gate it once config lands */
  $('panelShade').onclick = closePanel;
  $('qrun').onclick = () => runQuery();
  $('qtext').addEventListener('input', () => { syncEditor(); queryNotice(); });
  $('qtext').addEventListener('scroll', () => { $('qhl').scrollTop = $('qtext').scrollTop; });
  $('qtext').addEventListener('keydown', e => { if (e.key === 'Enter' && (e.metaKey || e.ctrlKey)) runQuery(); });
  $('qexplain').onclick = () => { const t = $('qtext').value.trim();
    if (t) runQuery(/^EXPLAIN\b/i.test(t) ? t : 'EXPLAIN ' + t); };
  $('qsave').onclick = saveCurrentQuery;
  $('qreset').onclick = resetQuery;
  $('fmtBtn').onclick = () => openMenu('fmtMenu', buildFormatMenu);
  $('histBtn').onclick = () => openMenu('histMenu', buildHistoryMenu);
  $('savedBtn').onclick = () => openMenu('savedMenu', buildSavedMenu);
  addEventListener('resize', () => { if (PAGE === 'query' && Q.view === 'cards') layoutMasonry(); });
  $('devQuery').onclick = () => go('query');
  document.addEventListener('keydown', e => {
    if (e.key === 'Escape') closePanel();
    if (e.key === '/' && document.activeElement === document.body) { e.preventDefault(); $('ask').focus(); }
  });
  Graph.wire();
}
/* Deep links: #memory · #graph · #activity · #suggestions · #connect/sync */
function applyHash() {
  const raw = (location.hash || '').replace(/^#/, '');
  if (!raw) return false;
  const [head, tail] = raw.split('/');
  if (head === 'graph') { PAGE = 'memory'; MVIEW = 'graph'; return true; }
  if (['memory', 'activity', 'suggestions', 'connect', 'query'].includes(head)) {
    PAGE = head;
    if (head === 'memory') MVIEW = 'list';
    if (head === 'connect' && ['agent', 'sync', 'settings'].includes(tail)) CONTAB = tail;
    if (head === 'suggestions' && ['pending', 'applied', 'rejected'].includes(tail)) SUGTAB = tail;
    return true;
  }
  return false;
}
function syncHash() {
  const h = PAGE === 'memory' ? (MVIEW === 'graph' ? 'graph' : 'memory')
    : PAGE === 'connect' ? 'connect/' + CONTAB
    : PAGE === 'suggestions' ? 'suggestions/' + SUGTAB : PAGE;
  if (location.hash.replace(/^#/, '') !== h) history.replaceState(null, '', '#' + h);
}
function go(page) {
  PAGE = page;
  if (page === 'suggestions' && !RECS[SUGTAB]) loadRecs(SUGTAB).then(render);
  if (page === 'connect' && CONTAB === 'sync') loadSegments();
  render();
}

/* ══ runs: the HITL queue ═════════════════════════════════════════════ */
let RUNS = null;
async function renderRuns() {
  const box = $('runList');
  if (RUNS === null) {
    box.innerHTML = '<div class="empty">loading…</div>';
    const r = await api('/api/run/list');
    if (!r.ok) { box.innerHTML = '<div class="empty">' + esc(r.error || 'failed to load runs') + '</div>'; return; }
    RUNS = r.runs || [];
  }
  const open = RUNS.filter(r => r.outcome === 'open');
  const pill = $('runPill');
  pill.hidden = open.length === 0; pill.textContent = open.length;
  if (!RUNS.length) { box.innerHTML = '<div class="empty">No runs recorded in this memory yet. Start one with <code>areev run start</code>.</div>'; return; }
  box.innerHTML = '';
  for (const run of RUNS) {
    const card = document.createElement('div');
    card.className = 'card';
    card.style.padding = '16px 18px';
    const color = run.outcome === 'completed' ? 'var(--ok)' : (run.outcome === 'open' ? 'var(--warn)' : 'var(--danger)');
    card.innerHTML = '<div style="display:flex;align-items:center;gap:12px">'
      + '<b style="flex:1">' + esc(run.run_id) + '</b>'
      + '<span style="color:' + color + ';font-weight:600">' + esc(run.outcome) + '</span></div>'
      + '<div class="run-detail tiny" style="margin-top:8px">…</div>';
    box.appendChild(card);
    inspectRun(run.run_id, card.querySelector('.run-detail'));
  }
}
async function inspectRun(id, el) {
  const d = await api('/api/run/inspect?run_id=' + encodeURIComponent(id));
  if (!d.ok) { el.textContent = d.error || 'inspect failed'; return; }
  const asks = d.pending_asks && typeof d.pending_asks === 'object' ? Object.values(d.pending_asks) : [];
  let html = 'plan <code>' + esc(String(d.plan_hash).slice(0, 12)) + '…</code>'
    + ' · started by ' + esc(d.principal)
    + ' · ' + d.checkpoints + ' checkpoints · ' + d.journal_entries + ' journal entries';
  for (const a of asks) {
    const ask = a.ask || a;
    html += '<div style="margin-top:10px;padding:12px;background:var(--warn-soft);border:1px solid var(--warn-line);border-radius:10px">'
      + '<b>Waiting on a person:</b> ' + esc(ask.node || '') + ' (' + esc(ask.tool_name || '') + ')'
      + '<div style="display:flex;gap:14px;margin-top:8px;align-items:center">'
      + '<button class="btn sm" data-run="' + esc(id) + '" data-ask="' + esc(ask.tool_call_id) + '" data-refuse="0">Approve</button>'
      + '<button class="btn danger" data-run="' + esc(id) + '" data-ask="' + esc(ask.tool_call_id) + '" data-refuse="1">Refuse</button>'
      + '</div></div>';
  }
  el.innerHTML = html;
  el.querySelectorAll('button[data-ask]').forEach(b => {
    b.onclick = () => respondRun(b.dataset.run, b.dataset.ask, b.dataset.refuse === '1');
  });
}
async function respondRun(id, ask, refuse) {
  const r = await api('/api/run/respond', {
    method: 'POST', headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({
      run_id: id, tool_call_id: ask,
      result: refuse ? { refused: true } : { approved: true },
      is_error: refuse,
    }),
  });
  if (!r.ok) { toast(r.error || 'response refused'); return; }
  toast('Recorded as ' + (r.responder || 'you') + ' — resume the run to continue.');
  RUNS = null; renderRuns();
}

/* ══ render ═══════════════════════════════════════════════════════════ */
function render() {
  syncHash();
  for (const p of ['memory', 'activity', 'runs', 'suggestions', 'connect', 'query']) $('page-' + p).hidden = PAGE !== p;
  $('nav').querySelectorAll('.nav-item').forEach(b => b.classList.toggle('on', b.dataset.page === PAGE));
  $('listView').hidden = MVIEW !== 'list';
  $('graphView').hidden = MVIEW !== 'graph';
  $('mview').querySelectorAll('button').forEach(b => b.classList.toggle('on', b.dataset.v === MVIEW));
  $('sugTabs').querySelectorAll('button').forEach(b => b.classList.toggle('on', b.dataset.s === SUGTAB));
  $('conTabs').querySelectorAll('button').forEach(b => b.classList.toggle('on', b.dataset.c === CONTAB));
  renderRail(); renderHeader(); renderExamples(); renderBanner(); renderFilterBar();
  if (PAGE === 'memory') { renderAnswer(); renderMemList(); if (MVIEW === 'graph') Graph.rebuild(); }
  if (PAGE === 'activity') renderActivity();
  if (PAGE === 'runs') renderRuns();
  if (PAGE === 'suggestions') { renderSuggestions(); lock($('runLoop')); }
  if (PAGE === 'connect') renderConnect();
  if (PAGE === 'query') {
    queryNotice(); syncEditor(); renderQueryResult(); renderOnramp();
    const sv = $('qsave');
    sv.disabled = !stmtSupported('DEFINE') || !canWrite();
    sv.title = !stmtSupported('DEFINE')
      ? 'This build has no saved-query registry (DEFINE is not a supported statement)'
      : (!canWrite() ? READONLY_WHY : 'Save this query into the memory file');
  }
  if (document.documentElement.classList.contains('dev')) renderDevbar();
}

function renderRail() {
  ACTIVE_ENTS = buildEntities(currentGrains()).filter(e => e.count > 0).slice(0, 40);
  const host = $('entities'); host.textContent = '';
  if (!ACTIVE_ENTS.length) { host.appendChild(el('span', 'tiny', 'nothing yet')); return; }
  for (const e of ACTIVE_ENTS) {
    const b = el('button', 'ent' + (ENTITY === e.name ? ' on' : ''));
    const av = el('span', 'av', e.name.charAt(0).toUpperCase());
    if (ENTITY !== e.name) av.style.color = 'var(' + (KIND_VAR[e.kind] || '--cat-thing') + ')';
    b.appendChild(av);
    b.appendChild(el('span', 'nm', e.name));
    b.appendChild(el('span', 'ct', String(e.count)));
    b.onclick = () => { ENTITY = ENTITY === e.name ? null : e.name; ANSWER = null; if (PAGE !== 'memory') go('memory'); else render(); };
    host.appendChild(b);
  }
}
function renderHeader() {
  const n = currentGrains().length;
  $('memTitle').textContent = ENTITY ? 'What your agent remembers about ' + ENTITY : 'What your agent remembers';
  const db = ($('dblabel').textContent || '').trim();
  $('memSub').innerHTML = n
    ? esc(n + (n === 1 ? ' memory' : ' memories')) + ', kept in <b style="color:var(--text);font-weight:500">'
      + esc(db) + '</b> — nothing here is ever overwritten, only added to.'
    : 'Nothing stored yet. Connect an agent and what it learns will show up here.';
}
/* Only suggest questions the console can actually answer: a name it knows,
   or the time-based one that reads the op-log. */
function renderExamples() {
  const host = $('examples'); host.textContent = '';
  if (!currentGrains().length) return;
  const typed = ($('ask').value || '').trim();
  if (typed) {
    host.appendChild(el('span', 'tiny', 'Filtering as you type — press Enter to ask “' +
      (typed.length > 44 ? typed.slice(0, 44) + '…' : typed) + '”'));
    return;
  }
  const qs = ACTIVE_ENTS.slice(0, 2).map(e => 'what do you know about ' + e.name + '?');
  qs.push('what changed today?');
  host.appendChild(el('span', 'tiny', 'Try'));
  for (const q of qs.slice(0, 3)) {
    const c = el('span', 'chip', q);
    c.onclick = () => { $('ask').value = q; runAsk(q); };
    host.appendChild(c);
  }
}
/* When a filter is on, say so and give a way out — otherwise arriving from
   the graph's "See all" looks like nothing happened. */
function renderFilterBar() {
  const host = $('filterBar');
  host.textContent = '';
  host.hidden = !ENTITY;
  if (!ENTITY) return;
  const chip = el('div');
  chip.style.cssText = 'display:inline-flex;align-items:center;gap:10px;padding:7px 8px 7px 14px;'
    + 'border-radius:18px;background:var(--accent-soft);border:1px solid var(--accent-line)';
  const t = el('span', null, 'Showing only ' + ENTITY);
  t.style.cssText = 'font-size:13.5px;font-weight:600;color:var(--accent)';
  chip.appendChild(t);
  const x = el('button', null, 'Show everything ✕');
  x.style.cssText = 'border:0;background:var(--surface);color:var(--text);font-family:inherit;'
    + 'font-size:12.5px;font-weight:500;padding:4px 11px;border-radius:14px';
  x.onclick = () => { ENTITY = null; render(); };
  chip.appendChild(x);
  host.appendChild(chip);
}
function renderBanner() {
  const n = (RECS.pending || []).length;
  $('sugBanner').hidden = !n || PAGE !== 'memory';
  if (n) {
    const kinds = [...new Set((RECS.pending || []).map(r => analyzerWord(r.analyzer)))].slice(0, 3);
    $('sugBannerText').innerHTML = '<b>' + n + (n === 1 ? ' suggestion</b>' : ' suggestions</b>')
      + ' to make this memory more reliable' + (kinds.length ? ' — ' + esc(kinds.join(', ')) : '') + '.';
  }
}

/* ── memory list ── */
function visibleGrains() {
  const needle = ($('ask').value || '').toLowerCase().trim();
  let rows = currentGrains();
  if (ENTITY) rows = rows.filter(g => {
    const f = g.fields || {};
    return subjectOf(g) === ENTITY || (typeof f.object === 'string' && f.object === ENTITY);
  });
  if (needle && !ANSWER) rows = rows.filter(g => sentence(g).toLowerCase().includes(needle));
  return rows;
}
function renderMemList() {
  const host = $('memList'); host.textContent = '';
  const rows = visibleGrains();
  const forgotten = BROWSE.filter(g => isGone(g) && !isInternal(g))
    .filter(g => !ENTITY || ((g.fields || {}).subject === ENTITY));
  if (!rows.length && !forgotten.length) {
    const e = el('div', 'empty');
    e.textContent = currentGrains().length
      ? 'Nothing matches. Clear the box or pick a different name.'
      : 'No memories yet — open Connect to attach an agent.';
    host.appendChild(e); return;
  }
  const groups = new Map();
  for (const g of rows) {
    const k = subjectOf(g) || '—';
    if (!groups.has(k)) groups.set(k, []);
    groups.get(k).push(g);
  }
  const order = [...groups.keys()].sort((a, b) => groups.get(b).length - groups.get(a).length || a.localeCompare(b));
  for (const k of order) {
    const list = groups.get(k).sort((a, b) => (b.op_seq || 0) - (a.op_seq || 0));
    const head = el('div', 'grp-head');
    head.appendChild(el('h2', null, k === '—' ? 'Everything else' : titleize(k)));
    head.appendChild(el('span', 'meta', list.length + (list.length === 1 ? ' memory' : ' memories')));
    host.appendChild(head);
    for (const g of list) host.appendChild(memRow(g));
  }
  if (forgotten.length) {
    const head = el('div', 'grp-head');
    head.appendChild(el('h2', null, 'Deleted'));
    head.appendChild(el('span', 'meta', forgotten.length + ' removed for good'));
    host.appendChild(head);
    for (const g of forgotten.slice(0, 20)) host.appendChild(memRow(g));
  }
}
function memRow(g) {
  const gone = isGone(g);
  const row = el('div', 'mrow' + (gone ? ' gone' : '') + (SEL === g.hash ? ' sel' : ''));
  const body = el('div', 'body');
  const say = el('div', 'say', gone ? (g.fields ? predicate(g) : 'A memory') : predicate(g));
  body.appendChild(say);
  body.appendChild(el('div', 'prov', gone
    ? 'Deleted at your request — the content is gone for good'
    : provenance(g)));
  const dev = el('div', 'mono dev-only');
  dev.textContent = (g.type || 'grain') + ' · ' + (g.hash || '').slice(0, 12)
    + (g.superseded_by ? ' · superseded ' + g.superseded_by.slice(0, 12) : '');
  body.appendChild(dev);
  row.appendChild(body);
  row.appendChild(el('div', 'when', relTime(hlcMs(g.hlc))));
  row.onclick = () => openPanel(g.hash);
  return row;
}

/* ── ask → answer ── */
function relationFromQuestion(q) {
  const low = ' ' + q.toLowerCase().replace(/[^a-z0-9_ ]/g, ' ') + ' ';
  const rels = [...new Set(currentGrains().map(g => (g.fields || {}).relation).filter(Boolean))];
  let best = null;
  for (const r of rels) {
    for (const w of r.split('_')) {
      if (w.length < 4) continue;
      const stem = w.replace(/s$/, '');
      if (low.includes(' ' + stem)) { best = r; break; }
    }
    if (best) break;
  }
  return best;
}
function entityFromQuestion(q) {
  const low = q.toLowerCase();
  let best = null;
  for (const e of buildEntities(currentGrains())) {
    if (low.includes(e.name.toLowerCase()) && (!best || e.name.length > best.length)) best = e.name;
  }
  return best;
}
/* Free-text recall is a bag of words, so sending the whole question makes
   "what", "does" and "today" compete with the words that matter. */
const STOPWORDS = new Set(['what','whats','who','whos','when','where','why','how','is','are','was',
  'were','do','does','did','has','have','the','a','an','of','for','to','in','on','about','me','my',
  'you','your','i','it','its','tell','show','know','knows','list','find','any','anything',
  'everything','please','can','could','would','there','that','this','and','or']);
const contentWords = q => q.toLowerCase().replace(/[^a-z0-9\s_-]/g, ' ').split(/\s+/)
  .filter(w => w.length > 1 && !STOPWORDS.has(w));
/* Questions about time cannot be answered by recall at all — they are a
   question about the op-log. Answer them from it instead of pretending. */
const TEMPORAL = /\b(today|yesterday|this week|recently|lately|just now|changed|change[sd]?|new|newest|latest|happened|since)\b/i;
function answerFromActivity(q) {
  const since = Date.now() - 24 * 3600 * 1000;
  const ops = LOG.filter(o => hlcMs(o.hlc) >= since)
    .filter(o => { const g = BYHASH[o.hash]; return !(g && isInternal(g)); })
    .sort((a, b) => (b.op_seq || 0) - (a.op_seq || 0));
  const n = k => ops.filter(o => o.op === k).length;
  const text = ops.length
    ? 'In the last 24 hours your agent learned ' + n('add') + ', changed ' + n('supersede')
      + ' and deleted ' + n('forget') + '.'
    : 'Nothing has changed in the last 24 hours.';
  /* A supersede logs two ops for the same grain — show it once. And a
     tombstoned grain has no fields left to make a sentence from, so say
     what happened to it rather than "no readable text". */
  const seen = new Set(), grains = [];
  for (const o of ops) {
    if (grains.length >= 6 || seen.has(o.hash)) continue;
    seen.add(o.hash);
    const g = BYHASH[o.hash];
    const say = o.op === 'forget' || !g || isGone(g) ? 'A memory was deleted'
      : (o.op === 'supersede' ? 'Updated: ' : '') + sentence(g);
    grains.push({ hash: o.hash, hlc: o.hlc, _say: say, fields: (g || {}).fields, type: (g || {}).type });
  }
  return { q, query: null, kind: 'activity', subject: null, relation: null, grains, text, error: null };
}
async function runAsk(q) {
  q = (q || '').trim();
  if (!q) { ANSWER = null; render(); return; }
  const subject = entityFromQuestion(q);
  const relation = relationFromQuestion(q);
  if (!subject && TEMPORAL.test(q)) {
    ANSWER = answerFromActivity(q);
    ENTITY = null;
    if (PAGE !== 'memory') go('memory'); else render();
    return;
  }
  const words = contentWords(q);
  let query;
  if (subject) {
    query = 'RECALL facts WHERE subject = "' + subject.replace(/"/g, '') + '"'
      + (relation ? ' AND relation = "' + relation + '"' : '') + ' LIMIT 50';
  } else {
    query = 'RECALL facts ABOUT "' + (words.join(' ') || q).replace(/"/g, '') + '" LIMIT 20';
  }
  let res = await cal(query);
  if ((!res.ok || !((res.result || {}).grains || []).length) && !subject) {
    const word = words[words.length - 1] || q;
    query = 'RECALL facts LIKE "' + word.replace(/"/g, '') + '" LIMIT 20';
    res = await cal(query);
  }
  const grains = (res.ok && res.result && res.result.type === 'grains') ? (res.result.grains || []) : [];
  ANSWER = { q, query, subject, relation, grains, error: res.ok ? null : (res.error || 'query failed'),
    code: res.code, elapsed: res.elapsed_ms };
  ENTITY = null;
  if (PAGE !== 'memory') go('memory'); else render();
}
/* A CAL result grain and a browse row differ in shape — normalise. */
const rgType = g => g.grain_type || g.type;
const rgFields = g => g.fields || {};
function answerText(a) {
  if (a.error) return null;
  if (a.kind === 'activity') return a.text;
  if (!a.grains.length) return 'Nothing matched that. Ask about one of the names on the left, '
    + 'or try “what changed today?”.';
  const subj = a.subject ? cap(a.subject) : null;
  if (a.relation) {
    /* The same value can be a head in more than one namespace — say it once. */
    const objs = [...new Set(a.grains.filter(g => rgFields(g).relation === a.relation)
      .map(g => rgFields(g).object).filter(o => typeof o === 'string'))];
    if (objs.length) {
      const phrase = (REL_PHRASE[a.relation] || cap(a.relation.replace(/_/g, ' ')) + ' {o}');
      const said = phrase.replace('{o}', objs.slice(0, 3).join(', '));
      return (subj ? subj + ' ' + lowerFirst(said) : said) + '.';
    }
  }
  if (subj) return 'Here is everything your agent knows about ' + subj + ' — '
    + a.grains.length + (a.grains.length === 1 ? ' memory' : ' memories') + '.';
  return 'Found ' + a.grains.length + (a.grains.length === 1 ? ' memory' : ' memories') + ' that match.';
}
function renderAnswer() {
  const host = $('answer');
  host.hidden = !ANSWER; host.textContent = '';
  if (!ANSWER) return;
  const a = ANSWER;
  const top = el('div'); top.style.cssText = 'display:flex;flex-direction:column;gap:10px;padding-bottom:24px';
  top.appendChild(el('span', 'ans-label', a.error ? 'COULD NOT ANSWER' : 'ANSWER'));
  const txt = el('span', 'ans-text', a.error ? a.error : answerText(a));
  if (a.error) txt.style.color = 'var(--danger)';
  top.appendChild(txt);
  if (a.error && a.code) top.appendChild(el('span', 'meta', 'error code ' + a.code));
  host.appendChild(top);

  if (a.grains.length) {
    const box = el('div'); box.style.cssText = 'display:flex;flex-direction:column;border-top:1px solid var(--hair)';
    const lab = el('span', 'meta', 'Based on ' + a.grains.length + (a.grains.length === 1 ? ' memory' : ' memories'));
    lab.style.cssText = 'padding:16px 0 4px'; box.appendChild(lab);
    for (const g of a.grains.slice(0, 6)) {
      const r = el('div', 'srow');
      const dot = el('span'); dot.style.cssText = 'width:6px;height:6px;border-radius:3px;flex-shrink:0;background:var(--ok)';
      r.appendChild(dot);
      r.appendChild(el('span', 't', g._say || sentence({ type: rgType(g), fields: rgFields(g) })));
      r.appendChild(el('span', 'w', relTime(hlcMs(g.hlc)) || ''));
      if (g.hash) r.onclick = () => openPanel(g.hash);
      box.appendChild(r);
    }
    host.appendChild(box);
  }

  if (a.kind === 'activity') {
    const go2 = el('div', 'disclose');
    go2.appendChild(el('span', 'grow', 'Every change, in order'));
    const l = el('span', null, 'Open Activity →');
    l.style.cssText = 'font-size:14px;font-weight:600;color:var(--accent)';
    go2.appendChild(l);
    go2.onclick = () => { ANSWER = null; go('activity'); };
    host.appendChild(go2);
    return;
  }
  const foot = el('div', 'disclose');
  foot.innerHTML = '<svg class="caret" width="15" height="15" viewBox="0 0 24 24" fill="none">'
    + '<path d="M9 5.5l7 6.5-7 6.5" stroke="var(--dim)" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>'
    + '<span class="grow">How this answer was found</span>';
  const openq = el('span'); openq.style.cssText = 'font-size:14px;font-weight:600;color:var(--accent)';
  openq.textContent = 'Open in Query';
  openq.onclick = e => { e.stopPropagation(); $('qtext').value = a.query; go('query'); runQuery(); };
  if (a.query) foot.appendChild(openq);
  const copy = el('span'); copy.style.cssText = 'font-size:14px;font-weight:600;color:var(--accent)';
  copy.textContent = 'Copy'; copy.onclick = e => { e.stopPropagation(); copyText(answerText(a) || a.error, 'Answer'); };
  foot.appendChild(copy);
  const detail = el('div');
  detail.style.cssText = 'display:none;flex-direction:column;gap:8px;padding:0 0 20px';
  const pre = el('pre', 'code', a.query); detail.appendChild(pre);
  detail.appendChild(el('span', 'tiny', a.elapsed != null ? 'ran in ' + a.elapsed + ' ms' : ''));
  foot.onclick = () => {
    const open = detail.style.display === 'flex';
    detail.style.display = open ? 'none' : 'flex';
    foot.classList.toggle('open', !open);
  };
  host.appendChild(foot); host.appendChild(detail);
}

/* ══ detail panel ═════════════════════════════════════════════════════ */
function closePanel() { $('panelWrap').hidden = true; SEL = null; renderMemList(); }
async function openPanel(hash) {
  if (!hash) return;
  hash = hash.replace(/^sha256:/, '');
  SEL = hash; renderMemList();
  $('panelWrap').hidden = false;
  const p = $('panel'); p.textContent = '';
  p.appendChild(el('span', 'tiny', 'loading…'));
  const known = BYHASH[hash];
  const g = await api('/api/grain?hash=' + encodeURIComponent(hash));
  p.textContent = '';

  const head = el('div'); head.style.cssText = 'display:flex;align-items:flex-start;gap:12px';
  const ht = el('div'); ht.style.cssText = 'display:flex;flex-direction:column;gap:9px;flex:1';
  ht.appendChild(el('span', 'sec-label', 'MEMORY'));
  const gone = g.ok === false;
  const title = el('span', null, gone
    ? (known ? sentence(known) : 'This memory was deleted')
    : sentence({ type: g.type, fields: g.fields }));
  title.style.cssText = 'font:600 22px/31px var(--sans);color:var(--ink);letter-spacing:-.02em';
  ht.appendChild(title);
  head.appendChild(ht);
  const x = el('button', 'btn ghost sm', '✕');
  x.style.cssText = 'width:34px;padding:0;flex-shrink:0'; x.onclick = closePanel;
  head.appendChild(x);
  p.appendChild(head);

  if (gone) {
    const w = el('div', 'pgroup');
    w.appendChild(el('span', 'sub', 'The content is gone for good — only the record that it was removed remains. '
      + 'That is what "forget" means here: a tombstone, not a hidden row.'));
    const h = el('div', 'mono'); h.textContent = hash; h.style.wordBreak = 'break-all';
    w.appendChild(h); p.appendChild(w); return;
  }

  const f = g.fields || {};
  const when = createdMs(f) || hlcMs(known && known.hlc);
  const prov = el('div', 'pgroup');
  const kv = (k, v, title2) => { const r = el('div'); r.style.cssText = 'display:flex;align-items:baseline;gap:12px';
    const kk = el('span', null, k); kk.style.cssText = 'width:96px;flex-shrink:0;font-size:13.5px;color:var(--dim)';
    const vv = el('span', null, v); vv.style.cssText = 'flex:1;font-size:14.5px;color:var(--ink)';
    if (title2) vv.title = title2;
    r.appendChild(kk); r.appendChild(vv); return r; };
  prov.appendChild(kv('Learned', relTime(when) + (when ? ' · ' + new Date(when).toLocaleDateString() : ''), isoTitle(when)));
  prov.appendChild(kv('Kind', cap(g.type || 'fact') + (g.type === 'observation' ? ' — something it saw, not something it was told' : '')));
  if (f.namespace) prov.appendChild(kv('Namespace', f.namespace));
  if (f.session_id) prov.appendChild(kv('Session', f.session_id));
  const used = TELEMETRY && (TELEMETRY.access || []).find(a => a.hash === hash);
  if (used) prov.appendChild(kv('Used', used.recall_count + ' times · last ' + relTime(used.last_ms)));
  p.appendChild(prov);

  /* version history, in plain language */
  if (g.type === 'fact' && f.subject && f.relation) {
    const hist = await cal('HISTORY WHERE subject = "' + String(f.subject).replace(/"/g, '')
      + '" AND relation = "' + String(f.relation).replace(/"/g, '') + '"');
    const versions = (hist.ok && hist.result && hist.result.versions) || [];
    if (versions.length > 1) {
      const box = el('div', 'pgroup');
      box.appendChild(el('span', 'sec-label', 'HOW THIS CHANGED'));
      versions.forEach((v, i) => {
        const step = el('div', 'step');
        const rail = el('div', 'rail');
        const bul = el('div', 'bul' + (i === 0 ? '' : ' past')); rail.appendChild(bul);
        if (i < versions.length - 1) rail.appendChild(el('div', 'ln'));
        step.appendChild(rail);
        const bd = el('div'); bd.style.cssText = 'display:flex;flex-direction:column;gap:3px;flex:1;padding-bottom:18px';
        const val = el('span', null, typeof v.fields === 'object' && v.fields ? (v.fields.object != null ? String(v.fields.object) : preview(v.fields)) : '');
        val.style.cssText = 'font-size:15.5px;font-weight:500;color:' + (i === 0 ? 'var(--ink)' : 'var(--muted)');
        bd.appendChild(val);
        bd.appendChild(el('span', 'meta', i === 0
          ? 'Added ' + relTime(hlcMs(v.hlc)) + ' · this is what your agent uses now'
          : 'Added ' + relTime(hlcMs(v.hlc)) + ' · replaced, but kept so you can see the change'));
        step.appendChild(bd);
        box.appendChild(step);
      });
      p.appendChild(box);
    }
  }

  /* actions */
  const acts = el('div', 'pgroup');
  const row = el('div'); row.style.cssText = 'display:flex;align-items:center;gap:10px';
  const correct = el('button', 'btn', 'Correct this memory'); correct.style.flex = '1';
  const askAbout = el('button', 'btn ghost', 'Ask about it');
  row.appendChild(lock(correct)); row.appendChild(askAbout);
  acts.appendChild(row);
  const form = el('div'); form.style.cssText = 'display:none;flex-direction:column;gap:9px';
  const inp = document.createElement('input'); inp.type = 'text';
  inp.value = typeof f.object === 'string' ? f.object : '';
  inp.placeholder = 'What should it say instead?';
  const why = document.createElement('input'); why.type = 'text'; why.placeholder = 'Why are you changing it?';
  const save = el('button', 'btn sm', 'Save the correction');
  form.appendChild(el('span', 'meta', 'The old version is kept — corrections are added on top, never written over.'));
  form.appendChild(inp); form.appendChild(why); form.appendChild(save);
  acts.appendChild(form);
  correct.onclick = () => { form.style.display = form.style.display === 'flex' ? 'none' : 'flex'; inp.focus(); };
  askAbout.onclick = () => { closePanel(); $('ask').value = 'what do you know about ' + (f.subject || '') + '?'; runAsk($('ask').value); };
  save.onclick = async () => {
    if (!inp.value.trim()) { toast('Type the new value first'); return; }
    save.disabled = true;
    let q = 'SUPERSEDE sha256:' + hash + ' SET object = "' + inp.value.replace(/"/g, '\\"') + '"';
    if (why.value.trim()) q += ' BECAUSE "' + why.value.replace(/"/g, '\\"') + '"';
    const r = await cal(q);
    save.disabled = false;
    if (r.ok) { toast('Corrected ✓'); closePanel(); await refresh(); }
    else toast('Could not save: ' + (r.error || 'unknown') + (r.code ? ' [' + r.code + ']' : ''));
  };

  const del = el('div'); del.style.cssText = 'display:flex;align-items:center;gap:9px;padding-top:4px';
  del.innerHTML = '<svg width="15" height="15" viewBox="0 0 24 24" fill="none" style="flex-shrink:0">'
    + '<path d="M4.5 6.5h15M9.5 6.5V4.8h5v1.7M6.7 6.5l.9 12.2h8.8l.9-12.2" stroke="var(--danger)" stroke-width="1.7" stroke-linecap="round" stroke-linejoin="round"/></svg>';
  const forget = el('button', 'btn danger', 'Forget this memory');
  del.appendChild(lock(forget));
  del.appendChild(el('span', 'meta', '— cannot be undone'));
  forget.onclick = async () => {
    if (!confirm('Forget this memory?\n\n"' + sentence({ type: g.type, fields: f })
      + '"\n\nThe content is erased for good. This cannot be undone.')) return;
    const r = await cal('FORGET sha256:' + hash);
    if (r.ok) { toast('Forgotten'); closePanel(); await refresh(); }
    else toast('Could not forget: ' + (r.error || 'unknown'));
  };
  acts.appendChild(del);
  p.appendChild(acts);

  /* developer details */
  const dev = el('div', 'pgroup dev-only dev-flex');
  dev.appendChild(el('span', 'sec-label', 'DEVELOPER DETAILS'));
  const hh = el('div', 'mono'); hh.textContent = g.hash || hash;
  hh.style.cssText = 'word-break:break-all;cursor:pointer'; hh.title = 'click to copy';
  hh.onclick = () => copyText(g.hash || hash, 'Content address');
  dev.appendChild(hh);
  dev.appendChild(el('pre', 'code', JSON.stringify(g.fields, null, 2)));
  const cp = el('button', 'btn ghost sm', 'Copy grain JSON');
  cp.onclick = () => copyText(JSON.stringify(g, null, 2), 'Grain JSON');
  dev.appendChild(cp);
  p.appendChild(dev);
}

/* ══ activity ═════════════════════════════════════════════════════════ */
const ACT_KINDS = [['all', 'Everything'], ['add', 'Learned'], ['supersede', 'Changed'], ['forget', 'Deleted']];
function renderActivity() {
  const f = $('actFilters'); f.textContent = '';
  for (const [k, label] of ACT_KINDS) {
    const c = el('span', 'chip' + (ACTFILTER === k ? ' on' : ''), label);
    c.onclick = () => { ACTFILTER = k; renderActivity(); };
    f.appendChild(c);
  }
  const host = $('actList'); host.textContent = '';
  let ops = LOG.slice().sort((a, b) => (b.op_seq || 0) - (a.op_seq || 0))
    .filter(o => { const g = BYHASH[o.hash]; return !(g && isInternal(g)); });
  if (ACTFILTER !== 'all') ops = ops.filter(o => o.op === ACTFILTER);
  if (!ops.length) { host.appendChild(el('div', 'empty', 'Nothing here yet.')); return; }
  let day = null;
  for (const o of ops.slice(0, 200)) {
    const ms = hlcMs(o.hlc);
    if (dayKey(ms) !== day) {
      day = dayKey(ms);
      const h = el('span', 'sec-label', dayLabel(ms));
      h.style.cssText = 'display:block;padding:24px 0 12px;font-size:13px;letter-spacing:.06em';
      host.appendChild(h);
    }
    const g = BYHASH[o.hash];
    const ev = el('div', 'ev');
    ev.appendChild(el('span', 'at', clock(ms)));
    const ic = el('span', 'ic');
    ic.innerHTML = o.op === 'add'
      ? '<svg width="14" height="14" viewBox="0 0 24 24" fill="none"><path d="M12 5v14M5 12h14" stroke="var(--ok)" stroke-width="2.4" stroke-linecap="round"/></svg>'
      : o.op === 'forget'
      ? '<svg width="14" height="14" viewBox="0 0 24 24" fill="none"><path d="M5 12h14" stroke="var(--danger)" stroke-width="2.4" stroke-linecap="round"/></svg>'
      : '<svg width="14" height="14" viewBox="0 0 24 24" fill="none"><path d="M4 8h11l-3-3M20 16H9l3 3" stroke="var(--warn)" stroke-width="2.1" stroke-linecap="round" stroke-linejoin="round"/></svg>';
    ev.appendChild(ic);
    const body = el('div', 'body');
    const verb = o.op === 'add' ? 'Learned that ' : o.op === 'supersede' ? 'Updated: ' : 'Deleted ';
    body.appendChild(el('div', 'say', g && g.fields
      ? verb + lowerFirst(sentence(g))
      : verb.trim() + ' a memory (' + shortHash(o.hash) + ')'));
    /* The time is already in the left column — drop the "Learned …" part. */
    const sub = o.op === 'forget'
      ? 'You asked for this — the content was erased, not just hidden'
      : o.op === 'supersede' ? 'The previous version is kept so you can see the change'
      : (g ? provenanceParts(g).filter(p => !/^Learned /.test(p)).join(' · ') : '');
    if (sub) body.appendChild(el('div', 'prov', sub));
    const dev = el('div', 'mono dev-only');
    dev.textContent = 'op ' + o.op_seq + ' · ' + o.op + ' · ' + (o.hash || '').slice(0, 12);
    body.appendChild(dev);
    ev.appendChild(body);
    ev.style.cursor = 'pointer';
    ev.onclick = () => openPanel(o.hash);
    host.appendChild(ev);
  }
}

/* ══ suggestions ══════════════════════════════════════════════════════ */
/* "loop.contradiction_sweep/1" → "contradiction sweep" */
const analyzerName = id => String(id || '').replace(/^loop\./, '').replace(/\/\d+$/, '').replace(/[._-]/g, ' ');
function analyzerWord(id) {
  const s = analyzerName(id);
  if (/contradict|conflict/.test(s)) return 'a conflict';
  if (/dup/.test(s)) return 'a duplicate';
  if (/stale|decay/.test(s)) return 'something stale';
  if (/gap|missing/.test(s)) return 'a gap';
  return s || 'a finding';
}
function sevStyle(sev) {
  if (sev === 'high') return ['var(--danger)', 'var(--danger-soft)'];
  if (sev === 'medium') return ['var(--warn)', 'var(--warn-soft)'];
  if (sev === 'low') return ['var(--cat-project)', 'var(--accent-soft)'];
  return ['var(--muted)', 'var(--raise)'];
}
function renderSuggestions() {
  const host = $('sugList'); host.textContent = '';
  if (!canWrite()) host.appendChild(readOnlyNote());
  const list = RECS[SUGTAB] || [];
  if (!list.length) {
    host.appendChild(el('div', 'empty', SUGTAB === 'pending'
      ? 'Nothing needs your attention. Run an analysis to look again.'
      : SUGTAB === 'applied' ? 'Nothing has been applied yet.' : 'Nothing dismissed.'));
  }
  for (const r of list) host.appendChild(sugCard(r));
  if (SUGTAB === 'applied') renderOutcomes(host);
}
function sugCard(r) {
  const [fg, bg] = sevStyle(r.severity);
  const card = el('div', 'card sug');
  const head = el('div'); head.style.cssText = 'display:flex;align-items:center;gap:10px';
  const tag = el('span', 'tag', null); tag.style.cssText = 'background:' + bg + ';color:' + fg;
  const d = el('span'); d.style.cssText = 'width:6px;height:6px;border-radius:3px;background:' + fg;
  tag.appendChild(d); tag.appendChild(el('span', null, cap(analyzerWord(r.analyzer).replace(/^an? /, ''))));
  head.appendChild(tag);
  head.appendChild(el('span', 'meta', 'Found by the ' + analyzerName(r.analyzer) + ' check'));
  const sp = el('div'); sp.style.flex = '1'; head.appendChild(sp);
  head.appendChild(el('span', 'meta', r.status || ''));
  card.appendChild(head);

  const body = el('div'); body.style.cssText = 'display:flex;flex-direction:column;gap:8px';
  const t = el('span', null, r.summary || 'A suggestion');
  t.style.cssText = 'font:600 19px/27px var(--sans);color:var(--ink);letter-spacing:-.015em';
  body.appendChild(t);
  if (r.destructive) body.appendChild(el('span', 'sub',
    'This one removes content for good. It cannot be undone once applied.'));
  else body.appendChild(el('span', 'sub',
    'Applying this changes what your agent reads next time. The old version stays in history.'));
  card.appendChild(body);

  const ev = evidenceRows(r.evidence);
  if (ev) card.appendChild(ev);

  const acts = el('div', 'acts');
  const reason = el('div', 'reason'); reason.hidden = true;
  const prompt = el('span', 'meta');
  const line = el('div', 'line');
  const why = document.createElement('input'); why.type = 'text';
  const conf = el('button', 'btn sm', 'Confirm');
  const cancel = el('button', 'btn ghost sm', 'Cancel');
  line.appendChild(why); line.appendChild(conf); line.appendChild(cancel);
  reason.appendChild(prompt); reason.appendChild(line);

  if (r.status === 'applied') {
    if (r.rollbackable) {
      const undo = el('button', 'btn ghost', 'Undo');
      undo.onclick = () => arm('rollback', 'Why are you undoing this?', 'Undo it');
      acts.appendChild(lock(undo));
    }
    acts.appendChild(el('span', 'note', r.rollbackable ? 'Undoable · the previous state is kept' : 'Not undoable'));
  } else if (r.status === 'rejected') {
    /* Rejected is terminal in the engine's lifecycle — offering a button
       here would only ever produce an error. */
    acts.appendChild(el('span', 'note', 'Dismissed — it will not be applied.'));
  } else if (r.status === 'approved') {
    /* Approved but not yet applied: usually because an apply failed midway.
       Surface it rather than letting it fall between the tabs. */
    const go = el('button', 'btn', 'Finish applying');
    go.onclick = () => arm('apply', 'Why are you applying this?', 'Apply it');
    acts.appendChild(lock(go));
    acts.appendChild(el('span', 'note', 'You approved this, but it has not been applied yet.'));
  } else {
    const ok = el('button', 'btn', r.destructive ? 'Apply — removes content' : 'Apply this fix');
    ok.onclick = () => arm('approve_and_apply', 'Why are you applying this?', 'Apply it');
    const no = el('button', 'btn ghost', 'Dismiss');
    no.onclick = () => arm('reject', 'Why are you dismissing this?', 'Dismiss it');
    acts.appendChild(lock(ok)); acts.appendChild(lock(no));
    acts.appendChild(el('span', 'note', r.destructive
      ? 'Cannot be undone' : r.rollbackable ? 'Undoable · the older memory stays in history' : ''));
  }
  card.appendChild(acts); card.appendChild(reason);

  const dev = el('div', 'mono dev-only');
  dev.textContent = (r.hash || '').slice(0, 16) + ' · ' + (r.analyzer || '') + ' · severity ' + (r.severity || '?')
    + (r.target_ref ? ' · target ' + String(r.target_ref).slice(0, 12) : '');
  card.appendChild(dev);

  let armed = null;
  function arm(action, promptText, confirmLabel) {
    armed = action;
    prompt.textContent = promptText + ' Your answer is recorded in the audit trail.';
    conf.textContent = confirmLabel;
    why.placeholder = 'e.g. confirmed with the customer on the call';
    acts.hidden = true; reason.hidden = false;
    why.focus();
  }
  cancel.onclick = () => { armed = null; why.value = ''; reason.hidden = true; acts.hidden = false; };
  conf.onclick = async () => {
    if (!why.value.trim()) { toast('A reason is required — it goes in the audit trail'); why.focus(); return; }
    conf.disabled = true; cancel.disabled = true;
    await loopAct(r.hash, armed, why.value.trim());
    conf.disabled = false; cancel.disabled = false;
  };
  return card;
}
/* Areev Loop cites evidence as bare content addresses (Vec<String>). A hash is
   not evidence to a human — resolve it to the sentence it stands for, and
   say so plainly when the grain is not in the loaded window. */
const HASH_RE = /^(sha256:)?[0-9a-f]{64}$/i;
/* Areev Loop's own records are Facts too — cite them as what they are rather
   than dumping the serialized recommendation into the card. */
function internalLabel(g) {
  const f = g.fields || {};
  if (f.relation === 'loop_recommendation') {
    let a = null;
    try { a = JSON.parse(f.object).analyzer; } catch (e) { /* not JSON */ }
    return a ? 'An earlier suggestion from the ' + analyzerName(a) + ' check'
             : 'An earlier suggestion from this memory’s review queue';
  }
  if (f.relation === 'loop_audit') return 'An entry in the audit trail';
  return 'An internal Areev record';
}
function describeRef(ref) {
  const hash = String(ref).replace(/^sha256:/, '');
  const g = BYHASH[hash];
  if (!g) return { text: 'A memory outside the loaded window', when: '', hash };
  const text = isInternal(g) ? internalLabel(g) : sentence(g);
  return { text, when: relTime(hlcMs(g.hlc)), hash };
}
function evidenceRows(evidence) {
  if (!evidence) return null;
  let items = [];
  if (Array.isArray(evidence)) items = evidence;
  else if (typeof evidence === 'object') {
    for (const k of ['items', 'grains', 'facts', 'rows']) if (Array.isArray(evidence[k])) { items = evidence[k]; break; }
    if (!items.length) items = Object.entries(evidence).map(([k, v]) => ({ text: k + ': ' + (typeof v === 'object' ? JSON.stringify(v) : v) }));
  }
  if (!items.length) return null;
  const box = el('div', 'evi');
  for (const it of items.slice(0, 6)) {
    const row = el('div', 'evi-row');
    const mark = el('span'); mark.style.cssText = 'width:18px;flex-shrink:0;display:flex;justify-content:center';
    mark.innerHTML = '<svg width="16" height="16" viewBox="0 0 24 24" fill="none"><path d="M6 12h12" stroke="var(--ghost)" stroke-width="2.2" stroke-linecap="round"/></svg>';
    row.appendChild(mark);
    let text, when = '', hash = null;
    if (typeof it === 'string') {
      if (HASH_RE.test(it.trim())) ({ text, when, hash } = describeRef(it.trim()));
      else text = it;
    } else if (it && typeof it === 'object') {
      const h = it.hash || it.grain || it.ref;
      text = it.text || it.summary || it.label;
      if (h) { const d = describeRef(h); hash = d.hash; when = d.when; if (!text) text = d.text; }
      if (!text) text = JSON.stringify(it);
    } else text = String(it);
    row.appendChild(el('span', 't', text));
    if (hash) {
      const h = el('span', 'mono dev-only', hash.slice(0, 12));
      h.style.cssText = 'flex-shrink:0;margin-right:10px';
      row.appendChild(h);
      row.onclick = () => openPanel(hash);
      row.style.cursor = 'pointer';
    }
    row.appendChild(el('span', 'w', when));
    box.appendChild(row);
  }
  /* Never truncate silently — a card citing 10 memories must not look like
     it cites 6. */
  if (items.length > 6) {
    const more = el('div', 'evi-row');
    const pad = el('span'); pad.style.cssText = 'width:18px;flex-shrink:0';
    more.appendChild(pad);
    more.appendChild(el('span', 't', '…and ' + (items.length - 6) + ' more'))
      .style.color = 'var(--dim)';
    box.appendChild(more);
  }
  return box;
}
async function renderOutcomes(parent) {
  const r = await api('/api/loop/outcomes');
  const list = (r && r.ok && r.outcomes) || [];
  if (!list.length) return;
  const host = el('div', 'stack');
  parent.appendChild(host);
  const head = el('div', 'grp-head'); head.appendChild(el('h2', null, 'Did it work?'));
  head.appendChild(el('span', 'meta', 're-measured after each applied change'));
  host.appendChild(head);
  for (const o of list) {
    const row = el('div', 'srow');
    const good = o.verdict !== 'regressed';
    const dot = el('span'); dot.style.cssText = 'width:6px;height:6px;border-radius:3px;flex-shrink:0;background:'
      + (good ? 'var(--ok)' : 'var(--danger)');
    row.appendChild(dot);
    const hz = o.horizon_ms % 86400000 === 0 ? (o.horizon_ms / 86400000) + ' days' : (o.horizon_ms / 3600000) + ' hours';
    row.appendChild(el('span', 't', cap(String(o.metric || '').replace(/_/g, ' '))
      + ' went from ' + o.baseline + ' to ' + o.current + ' after ' + hz));
    const v = el('span', 'w', o.verdict); v.style.color = good ? 'var(--ok)' : 'var(--danger)';
    row.appendChild(v);
    host.appendChild(row);
  }
}
/* A console started without --token-env refuses every write. Say so up front
   rather than letting someone type a reason and hit a wall. */
const canWrite = () => !!(CONFIG && CONFIG.server && CONFIG.server.auth_required);
const READONLY_WHY = 'This console is read-only — restart it with “areev ui --token-env VAR” to make changes.';
function lock(btn) { if (!canWrite()) { btn.disabled = true; btn.title = READONLY_WHY; } return btn; }
function readOnlyNote() {
  const b = el('div', 'banner');
  b.style.cssText = 'background:var(--accent-soft);border-color:var(--accent-line)';
  b.appendChild(el('span', 'grow', 'Read-only. You can look at everything here, but approving, correcting '
    + 'and forgetting need a console started with a token: areev ui --token-env VAR'));
  return b;
}
const errText = res => ((res && res.error) || 'unknown error') + (res && res.code ? ' [' + res.code + ']' : '');
/* The engine's lifecycle is Pending → Approved → Applied, so applying a
   pending recommendation is two calls, not one — going straight to apply
   fails with LOP-E020. One reason covers both: the user made one decision. */
async function loopAct(hash, action, because) {
  const post = (url, body) => api(url, { method: 'POST',
    headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(body) });
  const done = async msg => { toast(msg); RECS = {}; await loadRecs(SUGTAB); await refresh(); };
  let res;
  if (action === 'approve_and_apply') {
    res = await post('/api/loop/review', { hash, decision: 'approve', because });
    if (!(res && res.ok)) return done('Could not approve: ' + errText(res));
    res = await post('/api/loop/apply', { hash, because });
    return done(res && res.ok ? 'Applied ✓'
      : 'Approved, but applying failed: ' + errText(res) + ' — finish it from Needs review');
  }
  if (action === 'apply') res = await post('/api/loop/apply', { hash, because });
  else if (action === 'rollback') res = await post('/api/loop/rollback', { hash, because });
  else res = await post('/api/loop/review', { hash, decision: 'reject', because });
  return done(res && res.ok
    ? (action === 'reject' ? 'Dismissed' : action === 'rollback' ? 'Undone ✓' : 'Applied ✓')
    : 'Could not ' + (action === 'reject' ? 'dismiss' : action) + ': ' + errText(res));
}
async function runAnalysis() {
  const b = $('runLoop'); b.disabled = true; b.textContent = 'Analysing…';
  const res = await api('/api/loop/run', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: '{}' });
  b.disabled = false; b.textContent = 'Run analysis';
  if (res && res.ok) {
    const n = (res.run && res.run.stored) || 0;
    toast(n ? 'Found ' + n + (n === 1 ? ' suggestion' : ' suggestions') : 'Nothing new found');
  } else toast('Could not run: ' + ((res && res.error) || 'the console may be read-only'));
  RECS = {}; SUGTAB = 'pending'; await loadRecs('pending'); render();
}

/* ══ connect ══════════════════════════════════════════════════════════ */
/* null = we could not read the segment list (the /api/segment* surface is
   token-gated even for reads), [] = readable and empty. */
let SEGMENTS = null;
async function loadSegments() {
  const r = await api('/api/segments');
  SEGMENTS = Array.isArray(r) ? r : null;
  render();
}
/* Commands want the path the server actually opened, not the pretty label. */
const DB_NAME = () => DB_PATH || ($('dblabel').textContent || 'memory.db').trim();
function snippetFor(kind) {
  const db = DB_NAME();
  if (kind === 'claude') return 'claude mcp add areev -- areev serve --mcp --db ' + db;
  if (kind === 'python') return 'import areev\ndb = areev.Areev("' + db + '", actor="user:me")\ndb.add_fact("john", "prefers", "green tea")\nprint(db.recall(subject="john"))';
  if (kind === 'node') return 'import { Areev } from "areev";\nconst db = new Areev("' + db + '", "user:me");\ndb.addFact("john", "prefers", "green tea");\nconsole.log(db.recall("john"));';
  return '{\n  "mcpServers": {\n    "areev": {\n      "command": "areev",\n      "args": ["serve", "--mcp", "--db", "' + db + '"]\n    }\n  }\n}';
}
function renderConnect() {
  const host = $('conBody'); host.textContent = '';
  if (CONTAB === 'agent') return renderConnectAgent(host);
  if (CONTAB === 'sync') return renderConnectSync(host);
  return renderConnectSettings(host);
}
let SNIPTAB = 'claude';
function renderConnectAgent(host) {
  const empty = !currentGrains().length;
  const hero = el('div'); hero.style.cssText = 'display:flex;flex-direction:column;gap:12px;max-width:650px;padding-bottom:8px';
  const h = el('span', null, empty ? 'Your agent’s memory is ready — and empty.' : 'Attach another agent to this memory.');
  h.style.cssText = 'font:700 32px/40px var(--sans);color:var(--ink);letter-spacing:-.03em';
  hero.appendChild(h);
  hero.appendChild(el('span', 'sub', empty
    ? 'Point an agent at this file. Everything it learns lands here as plain sentences you can read, correct, and delete.'
    : 'Anything you connect reads and writes the same memory — they will all know what the others learned.'));
  host.appendChild(hero);

  const card = el('div', 'card');
  const tabs = el('div', 'tabs'); tabs.style.cssText = 'padding:16px 24px 0;gap:24px';
  for (const [k, label] of [['claude', 'Claude Code'], ['python', 'Python'], ['node', 'Node'], ['mcp', 'Any MCP client']]) {
    const b = el('button', SNIPTAB === k ? 'on' : '', label);
    b.onclick = () => { SNIPTAB = k; render(); };
    tabs.appendChild(b);
  }
  card.appendChild(tabs);

  const s1 = el('div'); s1.style.cssText = 'display:flex;flex-direction:column;gap:12px;padding:22px 24px 4px';
  s1.appendChild(el('span', null, '1 · Attach the memory')).style.cssText = 'font-size:14px;font-weight:600;color:var(--ink)';
  const codeRow = el('div');
  codeRow.style.cssText = 'display:flex;align-items:flex-start;gap:16px;background:var(--well);border:1px solid var(--hair);border-radius:10px;padding:15px 14px 15px 18px';
  const pre = el('pre', null, snippetFor(SNIPTAB));
  pre.style.cssText = 'flex:1;font-family:var(--mono);font-size:13.5px;line-height:22px;color:var(--ink);white-space:pre-wrap;word-break:break-word;margin:0';
  const cp = el('button', 'btn ghost sm', 'Copy');
  cp.onclick = () => copyText(snippetFor(SNIPTAB), 'Command');
  codeRow.appendChild(pre); codeRow.appendChild(cp);
  s1.appendChild(codeRow);
  card.appendChild(s1);

  const s2 = el('div'); s2.style.cssText = 'display:flex;flex-direction:column;gap:12px;padding:20px 24px 22px';
  s2.appendChild(el('span', null, '2 · Ask it to remember something')).style.cssText = 'font-size:14px;font-weight:600;color:var(--ink)';
  const quote = el('div');
  quote.style.cssText = 'border:1px dashed var(--line2);border-radius:10px;padding:15px 18px;font-size:15.5px;line-height:24px;color:var(--muted)';
  quote.textContent = '“Remember that John Aldridge prefers green tea and works at Acme Corp.”';
  s2.appendChild(quote);
  card.appendChild(s2);

  const strip = el('div');
  strip.style.cssText = 'display:flex;align-items:center;gap:11px;padding:16px 24px;border-top:1px solid var(--line);'
    + 'background:' + (empty ? 'var(--accent-soft)' : 'var(--ok-soft)');
  const ring = el('span');
  ring.style.cssText = 'width:16px;height:16px;flex-shrink:0;border-radius:8px;display:flex;align-items:center;justify-content:center;background:'
    + (empty ? 'var(--accent-line)' : 'var(--ok-line)');
  const core = el('span'); core.style.cssText = 'width:7px;height:7px;border-radius:4px;background:' + (empty ? 'var(--accent)' : 'var(--ok)');
  ring.appendChild(core); strip.appendChild(ring);
  const st = el('span', null, empty
    ? 'Watching for the first memory — this page fills in on its own.'
    : STATS.grains + ' memories stored. Reload after your agent writes to see new ones.');
  st.style.cssText = 'flex:1;font-size:14px;color:' + (empty ? 'var(--accent)' : 'var(--ok)');
  strip.appendChild(st);
  const rl = el('button', 'btn ghost sm', 'Reload'); rl.onclick = refresh;
  strip.appendChild(rl);
  card.appendChild(strip);
  host.appendChild(card);

  const three = el('div'); three.style.cssText = 'display:flex;gap:44px;padding-top:16px';
  const bit = (t, s) => { const c = el('div'); c.style.cssText = 'display:flex;flex-direction:column;gap:6px;flex:1';
    const tt = el('span', null, t); tt.style.cssText = 'font-size:14.5px;font-weight:600;color:var(--ink)';
    c.appendChild(tt); c.appendChild(el('span', 'meta', s)); return c; };
  three.appendChild(bit('It writes, you read', 'Every fact your agent stores shows up here in plain language — no query needed.'));
  three.appendChild(bit('Nothing is overwritten', 'Corrections are added on top, so you can always see what your agent used to believe.'));
  three.appendChild(bit('It flags its own mistakes', 'Conflicts and duplicates arrive as suggestions you approve — never applied behind your back.'));
  host.appendChild(three);
}
function renderConnectSync(host) {
  const srv = (CONFIG && CONFIG.server) || {};
  const on = !!srv.hub_mode;
  if (!on) {
    const card = el('div', 'card'); card.style.cssText = 'padding:26px 28px;display:flex;flex-direction:column;gap:14px';
    const t = el('span', null, 'Sync is not turned on for this memory.');
    t.style.cssText = 'font:600 19px/27px var(--sans);color:var(--ink);letter-spacing:-.015em';
    card.appendChild(t);
    card.appendChild(el('span', 'sub', 'Right now this console is the only thing reading this file. Start it as a hub and other '
      + 'apps — a voice line, a WhatsApp bot, an email inbox — can push what they learn and pull what the others learned, '
      + 'all against this one memory.'));
    const codeRow = el('div');
    codeRow.style.cssText = 'display:flex;align-items:center;gap:16px;background:var(--well);border:1px solid var(--hair);border-radius:10px;padding:15px 14px 15px 18px';
    const cmd = 'AREEV_HUB_TOKEN=$(openssl rand -hex 16) areev hub --db ' + DB_NAME() + ' --dir ./segments --token-env AREEV_HUB_TOKEN';
    const pre = el('pre', null, cmd);
    pre.style.cssText = 'flex:1;font-family:var(--mono);font-size:13px;line-height:21px;color:var(--ink);white-space:pre-wrap;word-break:break-word;margin:0';
    const cp = el('button', 'btn ghost sm', 'Copy'); cp.onclick = () => copyText(cmd, 'Command');
    codeRow.appendChild(pre); codeRow.appendChild(cp);
    card.appendChild(codeRow);
    card.appendChild(el('span', 'meta', 'Pushing and pulling both need the key. Apps can only ever add — '
      + 'nothing they send can erase what is already here.'));
    host.appendChild(card);
    return;
  }

  if (SEGMENTS === null) {
    const lock = el('div', 'card');
    lock.style.cssText = 'display:flex;align-items:center;gap:14px;padding:18px 20px;margin-bottom:16px';
    const t = el('div'); t.style.cssText = 'display:flex;flex-direction:column;gap:4px;flex:1';
    const t1 = el('span', null, 'Transfers are locked');
    t1.style.cssText = 'font-size:14.5px;font-weight:600;color:var(--ink)';
    t.appendChild(t1);
    t.appendChild(el('span', 'meta', 'Listing what has been pushed and pulled needs the hub key — '
      + 'the same one your apps use to write.'));
    lock.appendChild(t);
    const btn = el('button', 'btn sm', 'Enter the key');
    btn.onclick = async () => {
      const k = window.prompt('Paste the hub key (the value of the --token-env variable):');
      if (!k) return;
      TOKEN = k; sessionStorage.setItem('areev.token', k);
      await loadSegments();
    };
    lock.appendChild(btn);
    host.appendChild(lock);
  }
  const names = Array.isArray(SEGMENTS) ? SEGMENTS : [];
  const apps = new Map();
  for (const n of names) {
    const app = String(n).replace(/\.mgb$/, '').split(/[-_.]/)[0] || 'app';
    if (!apps.has(app)) apps.set(app, 0);
    apps.set(app, apps.get(app) + 1);
  }
  const card = el('div', 'card'); card.style.cssText = 'padding:24px 26px 26px;display:flex;flex-direction:column';
  const row = el('div', 'apps');
  const entries = [...apps.entries()].slice(0, 3);
  if (!entries.length) entries.push(['no apps yet', 0]);
  for (const [name, n] of entries) {
    const a = el('div', 'app');
    const hd = el('div', 'hd');
    const d = el('span', 'dot'); d.style.background = n ? 'var(--ok)' : 'var(--ghost)';
    hd.appendChild(el('b', null, cap(name)));
    hd.appendChild(d);
    a.appendChild(hd);
    a.appendChild(el('span', 'meta', n ? n + (n === 1 ? ' transfer' : ' transfers') : 'nothing received yet'));
    row.appendChild(a);
  }
  card.appendChild(row);
  const conns = el('div', 'conns');
  for (let i = 0; i < entries.length; i++) { const c = el('div'); c.appendChild(el('i')); conns.appendChild(c); }
  conns.style.cssText = 'padding:0';
  const spacer = el('div'); spacer.style.height = '0'; card.appendChild(spacer);
  card.appendChild(conns);
  const bar = el('div', 'hubbar');
  bar.innerHTML = '<svg width="20" height="20" viewBox="0 0 24 24" fill="none" style="flex-shrink:0">'
    + '<rect x="7.5" y="2.5" width="14" height="14" rx="4.5" fill="none" stroke="var(--accent-line)" stroke-width="2"/>'
    + '<rect x="2.5" y="7.5" width="14" height="14" rx="4.5" fill="var(--accent)"/></svg>';
  const bt = el('div'); bt.style.cssText = 'display:flex;flex-direction:column;gap:3px;flex:1';
  const b1 = el('span', null, 'One shared memory — ' + DB_NAME());
  b1.style.cssText = 'font-size:15.5px;font-weight:600;color:var(--ink)';
  bt.appendChild(b1);
  bt.appendChild(el('span', null, (STATS.current || 0) + ' memories. Whatever one app learns, the others can answer with.'))
    .style.cssText = 'font-size:13px;color:var(--text)';
  bar.appendChild(bt);
  card.appendChild(bar);
  host.appendChild(card);

  const transfers = el('div', 'stack');
  host.appendChild(transfers);
  const th = el('div', 'grp-head');
  th.appendChild(el('h2', null, 'Recent transfers'));
  th.appendChild(el('span', 'meta', names.length + ' in ' + (srv.segment_dir || 'the segment folder')));
  transfers.appendChild(th);
  if (!names.length) transfers.appendChild(el('div', 'empty', 'Nothing has been pushed or pulled yet.'));
  for (const n of names.slice(-12).reverse()) {
    const r = el('div', 'srow');
    const ic = el('span'); ic.style.cssText = 'width:18px;flex-shrink:0;display:flex;justify-content:center';
    ic.innerHTML = '<svg width="15" height="15" viewBox="0 0 24 24" fill="none"><path d="M12 4.5v14M6 13l6 6 6-6" stroke="var(--ok)" stroke-width="2.1" stroke-linecap="round" stroke-linejoin="round"/></svg>';
    r.appendChild(ic);
    r.appendChild(el('span', 't', 'Received a bundle from ' + cap(String(n).replace(/\.mgb$/, '').split(/[-_.]/)[0])));
    const w = el('span', 'w', n); w.style.cssText = 'width:auto;font-family:var(--mono);font-size:11.5px;color:var(--hash)';
    r.appendChild(w);
    transfers.appendChild(r);
  }
  const note = el('div', 'card');
  note.style.cssText = 'display:flex;align-items:flex-start;gap:12px;padding:16px 18px';
  note.innerHTML = '<svg width="17" height="17" viewBox="0 0 24 24" fill="none" style="flex-shrink:0">'
    + '<rect x="4.5" y="10.5" width="15" height="9.5" rx="2" stroke="var(--text)" stroke-width="1.7"/>'
    + '<path d="M8 10.5V7.8a4 4 0 018 0v2.7" stroke="var(--text)" stroke-width="1.7"/></svg>';
  const nt = el('div'); nt.style.cssText = 'display:flex;flex-direction:column;gap:5px;flex:1';
  const n1 = el('span', null, srv.auth_required
    ? 'Syncing needs the key. Reading the memory itself does not.'
    : 'This hub accepts writes with no key — anyone who can reach it can add memories.');
  n1.style.cssText = 'font-size:14px;font-weight:600;color:var(--ink)';
  nt.appendChild(n1);
  nt.appendChild(el('span', 'meta', 'Pushing and pulling both require the key; anyone on your network can '
    + 'still read what your agent knows. Apps can only ever add — nothing they send can erase what is already here.'));
  note.appendChild(nt);
  host.appendChild(note);
}
function renderConnectSettings(host) {
  const c = CONFIG;
  if (!c || c.ok === false) { host.appendChild(el('div', 'empty', 'Configuration unavailable.')); return; }
  const warn = (c.warnings || []);
  if (warn.length) {
    const b = el('div', 'banner'); b.style.marginBottom = '8px';
    b.appendChild(el('span', 'grow', warn.join(' · ')));
    host.appendChild(b);
  }
  const box = el('div', 'card'); box.style.cssText = 'padding:8px 22px 18px';
  const add = (k, v) => { const r = el('div', 'kv');
    r.appendChild(el('span', 'k', k)); r.appendChild(el('span', 'v', v)); box.appendChild(r); };
  add('Memory file', c.db || DB_NAME());
  add('Full-text search', c.file && c.file.text_index ? 'on — your agent can search by words' : 'off');
  add('Vector search', c.recall && c.recall.legs && c.recall.legs.vector
    ? 'on' + (c.file && c.file.embedding ? ' — ' + c.file.embedding.model : '') : 'off — no embedding backend attached');
  add('How recall ranks', 'structural' + (c.recall && c.recall.legs && c.recall.legs.bm25 ? ' + words' : '')
    + (c.recall && c.recall.legs && c.recall.legs.vector ? ' + meaning' : '') + ', fused with RRF');
  add('Namespace', (c.session && c.session.namespace) || 'shared');
  add('Console access', c.server && c.server.auth_required
    ? (c.server.auth_all ? 'protected — every request needs the token' : 'hub mode — writes need the token')
    : 'open — anyone who can reach this port can read and change memory');
  add('Result limit', ((c.executor && c.executor.default_limit) || '?') + ' default, '
    + ((c.executor && c.executor.max_limit) || '?') + ' max');
  host.appendChild(box);

  const ah = el('div', 'grp-head');
  ah.appendChild(el('h2', null, 'What it checks itself for'));
  ah.appendChild(el('span', 'meta', 'analyzers that produce suggestions'));
  host.appendChild(ah);
  const alist = el('div'); host.appendChild(alist);
  api('/api/loop/analyzers').then(r => {
    const list = (r && r.ok && r.analyzers) || [];
    if (!list.length) { alist.appendChild(el('div', 'empty', 'No analyzers reported.')); return; }
    for (const a of list) {
      const row = el('div', 'srow'); row.style.cursor = 'default'; row.style.alignItems = 'flex-start';
      const d = el('span'); d.style.cssText = 'width:6px;height:6px;border-radius:3px;flex-shrink:0;margin-top:8px;background:'
        + (a.enabled ? 'var(--ok)' : 'var(--ghost)');
      row.appendChild(d);
      /* Name over the analyzer's own one-line description: a toggle you cannot
         read is a toggle nobody touches. */
      const body = el('div', 't');
      body.style.cssText = 'display:flex;flex-direction:column;gap:2px;min-width:0';
      body.appendChild(el('span', null, a.title || analyzerName(a.id)));
      if (a.description) {
        const sub = el('span', 'tiny', a.description);
        sub.style.lineHeight = '18px';
        body.appendChild(sub);
      }
      row.appendChild(body);
      const sw = el('button', 'btn ghost sm', a.enabled ? 'On' : 'Off');
      sw.onclick = async () => {
        sw.disabled = true;
        const res = await api('/api/loop/config', { method: 'POST', headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ analyzer_id: a.id, enabled: !a.enabled }) });
        sw.disabled = false;
        if (res && res.ok) { toast(a.enabled ? 'Turned off' : 'Turned on'); render(); }
        else toast('Could not change it: ' + ((res && res.error) || 'the console may be read-only'));
      };
      row.appendChild(lock(sw));
      const dev = el('span', 'mono dev-only'); dev.textContent = a.id + ' · ' + (a.tier || '');
      dev.style.cssText = 'margin-left:10px';
      row.appendChild(dev);
      alist.appendChild(row);
    }
  });
}

/* ══ developer sidebar ════════════════════════════════════════════════ */
function renderDevbar() {
  const s = $('devStats'); s.textContent = '';
  const kv = (k, v) => { const r = el('div'); r.style.cssText = 'display:flex;align-items:baseline;gap:10px';
    const a = el('span', null, k); a.style.cssText = 'flex:1;font-size:13.5px;color:var(--text)';
    const b = el('span', null, v); b.style.cssText = 'font-family:var(--mono);font-size:13px;color:var(--ink)';
    r.appendChild(a); r.appendChild(b); s.appendChild(r); };
  kv('grains / current', (STATS.grains != null ? STATS.grains : '?') + ' / ' + (STATS.current != null ? STATS.current : '?'));
  kv('triples / terms', (STATS.triples != null ? STATS.triples : '?') + ' / ' + (STATS.terms != null ? STATS.terms : '?'));
  const legs = CONFIG && CONFIG.recall && CONFIG.recall.legs;
  kv('recall legs', legs ? ['struct', legs.bm25 && 'bm25', legs.vector && 'vec'].filter(Boolean).join(' · ') : '?');
  kv('ops', STATS.ops != null ? String(STATS.ops) : '?');

  const l = $('devLog'); l.textContent = '';
  for (const o of LOG.slice().sort((a, b) => (b.op_seq || 0) - (a.op_seq || 0)).slice(0, 14)) {
    const r = el('div', 'oprow');
    r.appendChild(el('span', 't', shortWhen(hlcMs(o.hlc))));
    const op = el('span', 'o', o.op);
    op.style.color = o.op === 'add' ? 'var(--ok)' : o.op === 'forget' ? 'var(--danger)' : 'var(--warn)';
    r.appendChild(op);
    /* A hash says an operation happened but not what it did. Resolve it to the
       grain and show what was written; keep the address on hover, and fall back
       to it when the grain is not in the loaded window (or was erased). */
    const g = BYHASH[o.hash];
    /* Bookkeeping the engine writes for itself (__loop_state__ and friends)
       has no sentence worth reading — name the machinery instead. */
    const said = !g ? shortHash(o.hash)
      : isInternal(g) ? 'engine bookkeeping · ' + ((g.fields || {}).relation || rgType(g) || '')
      : (rgType(g) || 'grain') + ' · ' + sentence(g);
    const what = el('span', 'h', said);
    if (!g) what.classList.add('addr');
    else if (isInternal(g)) what.classList.add('sys');
    what.title = (g ? said + '\n' : '') + o.hash;
    r.appendChild(what);
    r.onclick = () => openPanel(o.hash);
    l.appendChild(r);
  }
}
/* ══ graph ════════════════════════════════════════════════════════════ */
const Graph = (() => {
  let cv, ctx, W = 0, H = 0, dpr = 1;
  let nodes = [], links = [], byId = new Map();
  let focus = null, depth = 1, near = new Set();
  let scale = 1, tx = 0, ty = 0, alpha = 0, raf = 0;
  let drag = null, panning = null, hover = null, moved = false;
  let cut = 1;          /* 0..1 over the op-log — the rewind position */
  let colors = {};

  function recolor() {
    colors = { person: cssVar('--cat-person'), org: cssVar('--cat-org'), project: cssVar('--cat-project'),
      thing: cssVar('--cat-thing'), note: cssVar('--cat-note'), line: cssVar('--line2'),
      ink: cssVar('--ink'), dim: cssVar('--dim'), faint: cssVar('--faint'), accent: cssVar('--accent'),
      surface: cssVar('--surface'), well: cssVar('--well') };
  }
  function maxSeq() { return BROWSE.reduce((m, g) => Math.max(m, g.op_seq || 0), 0); }
  function cutSeq() { return Math.round(maxSeq() * cut); }

  function build() {
    const limit = cutSeq();
    const upTo = BROWSE.filter(g => (g.op_seq || 0) <= limit)
      .filter(g => !isGone(g) && !isInternal(g))
      /* a supersede that happened after the cut has not happened yet */
      .filter(g => !g.superseded_by || (BYHASH[g.superseded_by] && (BYHASH[g.superseded_by].op_seq || 0) > limit));
    /* heads are resolved *as of the cut*, so rewinding shows the value that
       was live then, not the one that is live now */
    const heads = headHashes(upTo);
    const grains = upTo.filter(g => (g.type && g.type !== 'fact') || heads.has(g.hash));
    const ents = buildEntities(grains, { tools: false });
    const keep = new Map();
    for (const e of ents) if (e.count || e.deg) keep.set(e.name, e);
    const prev = byId;
    nodes = []; links = []; byId = new Map();
    for (const e of keep.values()) {
      const old = prev.get(e.name);
      const n = { id: e.name, kind: e.kind, count: e.count, deg: e.deg,
        x: old ? old.x : (Math.random() - .5) * 320, y: old ? old.y : (Math.random() - .5) * 320,
        vx: 0, vy: 0, r: 0 };
      n.r = Math.max(13, Math.min(34, 12 + (e.count + e.deg) * 3));
      nodes.push(n); byId.set(n.id, n);
    }
    for (const g of grains) {
      const f = g.fields || {};
      if (g.type === 'fact' && f.subject && typeof f.object === 'string'
          && byId.has(f.subject) && byId.has(f.object)) {
        links.push({ a: f.subject, b: f.object, label: String(f.relation || '').replace(/_/g, ' '), hash: g.hash });
      }
    }
    if (focus && !byId.has(focus)) focus = null;
    if (!focus && nodes.length) focus = nodes.slice().sort((a, b) => (b.count + b.deg) - (a.count + a.deg))[0].id;
    computeNear();
    /* Settle before the first paint so fit() frames a finished layout
       instead of chasing nodes that are still flying apart. */
    alpha = 1;
    for (let i = 0; i < 300; i++) tick();
    alpha = 0.12;
  }
  function computeNear() {
    near = new Set();
    if (!focus) { for (const n of nodes) near.add(n.id); return; }
    near.add(focus);
    let frontier = [focus];
    for (let d = 0; d < depth; d++) {
      const next = [];
      for (const l of links) {
        if (frontier.includes(l.a) && !near.has(l.b)) { near.add(l.b); next.push(l.b); }
        if (frontier.includes(l.b) && !near.has(l.a)) { near.add(l.a); next.push(l.a); }
      }
      frontier = next;
    }
  }
  function tick() {
    if (alpha < 0.005) return;
    const k = alpha;
    for (let i = 0; i < nodes.length; i++) {
      const a = nodes[i];
      for (let j = i + 1; j < nodes.length; j++) {
        const b = nodes[j];
        let dx = b.x - a.x, dy = b.y - a.y;
        let d2 = dx * dx + dy * dy;
        if (d2 < 1) { dx = Math.random() - .5; dy = Math.random() - .5; d2 = 1; }
        if (d2 > 160000) continue;
        const f = (4200 * k) / d2;
        const d = Math.sqrt(d2);
        a.vx -= (dx / d) * f; a.vy -= (dy / d) * f;
        b.vx += (dx / d) * f; b.vy += (dy / d) * f;
      }
    }
    for (const l of links) {
      const a = byId.get(l.a), b = byId.get(l.b);
      if (!a || !b) continue;
      const dx = b.x - a.x, dy = b.y - a.y;
      const d = Math.max(1, Math.hypot(dx, dy));
      const f = (d - 150) * 0.015 * k;
      a.vx += (dx / d) * f; a.vy += (dy / d) * f;
      b.vx -= (dx / d) * f; b.vy -= (dy / d) * f;
    }
    for (const n of nodes) {
      const pull = n.id === focus ? 0.03 : 0.004;
      n.vx += -n.x * pull * k; n.vy += -n.y * pull * k;
      if (drag && drag.id === n.id) { n.vx = 0; n.vy = 0; continue; }
      n.x += (n.vx *= 0.82); n.y += (n.vy *= 0.82);
    }
    alpha *= 0.985;
  }
  function draw() {
    if (!ctx) return;
    ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    ctx.clearRect(0, 0, W, H);
    ctx.save();
    ctx.translate(W / 2 + tx, H / 2 + ty);
    ctx.scale(scale, scale);
    /* links */
    for (const l of links) {
      const a = byId.get(l.a), b = byId.get(l.b);
      if (!a || !b) continue;
      const lit = focus && (l.a === focus || l.b === focus);
      const on = near.has(l.a) && near.has(l.b);
      ctx.strokeStyle = lit ? colors.accent : colors.line;
      ctx.globalAlpha = lit ? 0.55 : on ? 0.5 : 0.16;
      ctx.lineWidth = lit ? 2 : 1.4;
      ctx.beginPath(); ctx.moveTo(a.x, a.y); ctx.lineTo(b.x, b.y); ctx.stroke();
      /* Only label edges with room for it — on a short edge the text lands
         on top of the node names at either end. */
      const len = Math.hypot(b.x - a.x, b.y - a.y);
      if (lit && l.label && scale > 0.55 && len > 130) {
        ctx.globalAlpha = 1;
        const nx = -(b.y - a.y) / len, ny = (b.x - a.x) / len;   /* perpendicular */
        halo(l.label, (a.x + b.x) / 2 + nx * 11, (a.y + b.y) / 2 + ny * 11 + 4,
          '12px ' + cssVar('--sans'), colors.dim);
      }
    }
    /* nodes */
    for (const n of nodes) {
      const on = near.has(n.id);
      const c = colors[n.kind] || colors.thing;
      if (n.id === focus) {
        ctx.globalAlpha = 0.09; ctx.fillStyle = c;
        ctx.beginPath(); ctx.arc(n.x, n.y, n.r + 20, 0, 7); ctx.fill();
        ctx.globalAlpha = 0.35; ctx.strokeStyle = c; ctx.lineWidth = 1.6;
        ctx.beginPath(); ctx.arc(n.x, n.y, n.r + 7, 0, 7); ctx.stroke();
      }
      ctx.globalAlpha = on ? 1 : 0.22;
      ctx.fillStyle = c;
      ctx.beginPath(); ctx.arc(n.x, n.y, n.r, 0, 7); ctx.fill();
      if (hover === n.id) { ctx.globalAlpha = 1; ctx.strokeStyle = colors.ink; ctx.lineWidth = 2;
        ctx.beginPath(); ctx.arc(n.x, n.y, n.r + 3, 0, 7); ctx.stroke(); }
      ctx.globalAlpha = on ? 1 : 0.3;
      if (n.id === focus && n.r > 24) {
        ctx.textAlign = 'center';
        ctx.fillStyle = colors.surface;
        ctx.font = '700 14px ' + cssVar('--sans');
        ctx.fillText(clip(n.id, 12), n.x, n.y + 5);
      } else {
        halo(clip(n.id, 22), n.x, n.y + n.r + 17,
          (on ? '600 ' : '') + '13px ' + cssVar('--sans'), on ? colors.ink : colors.faint);
      }
    }
    ctx.restore();
    ctx.globalAlpha = 1;
  }
  const clip = (s, n) => s.length > n ? s.slice(0, n - 1) + '…' : s;
  /* Labels sit on top of edges; a surface-coloured outline keeps them
     readable wherever the layout puts them. */
  function halo(text, x, y, font, fill) {
    ctx.textAlign = 'center';
    ctx.font = font;
    ctx.lineWidth = 3.5;
    ctx.lineJoin = 'round';
    ctx.strokeStyle = colors.well;
    ctx.strokeText(text, x, y);
    ctx.fillStyle = fill;
    ctx.fillText(text, x, y);
  }
  function loop() {
    /* Only burn frames while the graph is actually on screen. */
    if (PAGE === 'memory' && MVIEW === 'graph') { tick(); draw(); }
    raf = requestAnimationFrame(loop);
  }
  function resize() {
    if (!cv) return;
    dpr = window.devicePixelRatio || 1;
    W = cv.clientWidth; H = cv.clientHeight;
    cv.width = Math.round(W * dpr); cv.height = Math.round(H * dpr);
  }
  function toWorld(e) {
    const r = cv.getBoundingClientRect();
    return { x: (e.clientX - r.left - W / 2 - tx) / scale, y: (e.clientY - r.top - H / 2 - ty) / scale };
  }
  function hit(p) {
    for (let i = nodes.length - 1; i >= 0; i--) {
      const n = nodes[i];
      if (Math.hypot(n.x - p.x, n.y - p.y) <= n.r + 4) return n;
    }
    return null;
  }
  function fit() {
    if (!nodes.length) { scale = 1; tx = ty = 0; return; }
    let x0 = Infinity, y0 = Infinity, x1 = -Infinity, y1 = -Infinity;
    for (const n of nodes) { x0 = Math.min(x0, n.x - n.r - 40); y0 = Math.min(y0, n.y - n.r - 30);
      x1 = Math.max(x1, n.x + n.r + 40); y1 = Math.max(y1, n.y + n.r + 30); }
    /* Keep the graph clear of the floating inspector and the toolbar. */
    const padR = $('ginspect').hidden ? 24 : 312;
    const padT = 64, padB = 60, padL = 24;
    const availW = Math.max(160, W - padL - padR), availH = Math.max(160, H - padT - padB);
    scale = Math.max(0.25, Math.min(1.4, Math.min(availW / (x1 - x0), availH / (y1 - y0))));
    tx = (padL + availW / 2) - W / 2 - ((x0 + x1) / 2) * scale;
    ty = (padT + availH / 2) - H / 2 - ((y0 + y1) / 2) * scale;
  }
  function inspect() {
    const box = $('ginspect');
    const n = focus && byId.get(focus);
    if (!n) { box.hidden = true; return; }
    box.hidden = false; box.textContent = '';
    const head = el('div'); head.style.cssText = 'display:flex;align-items:center;gap:11px';
    const av = el('span', null, n.id.charAt(0).toUpperCase());
    av.style.cssText = 'display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex-shrink:0;'
      + 'border-radius:17px;color:#fff;font-size:14px;font-weight:600;background:' + (colors[n.kind] || colors.thing);
    head.appendChild(av);
    const ht = el('div'); ht.style.cssText = 'display:flex;flex-direction:column;gap:2px;flex:1;min-width:0';
    const nm = el('span', null, n.id);
    nm.style.cssText = 'font-size:15.5px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap';
    ht.appendChild(nm);
    const kindWord = { person: 'Person', org: 'Company or place', project: 'Project', thing: 'Thing', note: 'Note' }[n.kind] || 'Thing';
    ht.appendChild(el('span', 'meta', kindWord + ' · ' + n.count + (n.count === 1 ? ' memory' : ' memories')
      + ' · ' + links.filter(l => l.a === n.id || l.b === n.id).length + ' links'));
    head.appendChild(ht);
    box.appendChild(head);

    const list = el('div'); list.style.cssText = 'display:flex;flex-direction:column;border-top:1px solid var(--hair)';
    const mine = currentGrains().filter(g => (g.fields || {}).subject === n.id).slice(0, 3);
    for (const g of mine) {
      const r = el('div', null, predicate(g));
      r.style.cssText = 'font-size:13.5px;color:var(--ink);padding:9px 0;border-bottom:1px solid var(--hair);cursor:pointer';
      r.onclick = () => openPanel(g.hash);
      list.appendChild(r);
    }
    if (!mine.length) list.appendChild(el('span', 'meta', 'Mentioned by other memories.')).style.padding = '9px 0';
    box.appendChild(list);

    const acts = el('div'); acts.style.cssText = 'display:flex;align-items:center;gap:8px';
    const all = el('button', 'btn sm', 'See all ' + (n.count || links.filter(l => l.a === n.id || l.b === n.id).length));
    all.style.flex = '1';
    all.onclick = () => { ENTITY = n.id; MVIEW = 'list'; render(); };
    const ex = el('button', 'btn ghost sm', depth === 1 ? 'Expand' : 'Collapse');
    ex.onclick = () => setDepth(depth === 1 ? 2 : 1);
    acts.appendChild(all); acts.appendChild(ex);
    box.appendChild(acts);
  }
  function legend() {
    const host = $('glegend'); host.textContent = '';
    const items = [['person', 'People'], ['org', 'Companies & places'], ['project', 'Projects'],
      ['thing', 'Things they like'], ['note', 'Things it noticed']];
    const present = new Set(nodes.map(n => n.kind));
    for (const [k, label] of items) {
      if (!present.has(k)) continue;
      const s = el('span');
      const d = el('span'); d.style.cssText = 'width:8px;height:8px;border-radius:4px;background:' + (colors[k] || colors.thing);
      s.appendChild(d); s.appendChild(el('span', null, label));
      host.appendChild(s);
    }
    host.hidden = !host.childElementCount;
  }
  function ticks() {
    const host = $('gticks'); host.textContent = '';
    const ops = LOG.slice().sort((a, b) => (a.op_seq || 0) - (b.op_seq || 0));
    if (!ops.length) return;
    const first = hlcMs(ops[0].hlc), last = hlcMs(ops[ops.length - 1].hlc);
    /* Everything from one session? Then dates all read the same — show clocks. */
    const sameDay = (last - first) < 36 * 3600 * 1000;
    const fmt = ms => sameDay ? clock(ms)
      : new Date(ms).toLocaleDateString(undefined, { day: 'numeric', month: 'short' });
    for (let i = 0; i < 4; i++) host.appendChild(el('span', null, fmt(first + (last - first) * (i / 4))));
    const now = el('span', null, cut >= 1 ? 'now' : fmt(first + (last - first) * cut));
    now.style.cssText = 'color:var(--accent);font-weight:600';
    host.appendChild(now);
  }
  function setDepth(d) {
    depth = d;
    $('gdepth').querySelectorAll('button').forEach(b => b.classList.toggle('on', +b.dataset.d === d));
    computeNear(); inspect();
  }
  return {
    recolor,
    wire() {
      cv = $('gcanvas'); ctx = cv.getContext('2d'); recolor();
      window.addEventListener('resize', () => { resize(); fit(); });
      cv.addEventListener('mousedown', e => {
        const p = toWorld(e); const n = hit(p); moved = false;
        if (n) { drag = { id: n.id, dx: n.x - p.x, dy: n.y - p.y }; }
        else { panning = { x: e.clientX - tx, y: e.clientY - ty }; cv.classList.add('grabbing'); }
      });
      window.addEventListener('mousemove', e => {
        if (drag) { const p = toWorld(e); const n = byId.get(drag.id);
          if (n) { n.x = p.x + drag.dx; n.y = p.y + drag.dy; alpha = Math.max(alpha, 0.25); } moved = true; return; }
        if (panning) { tx = e.clientX - panning.x; ty = e.clientY - panning.y; moved = true; return; }
        if (!cv) return;
        const r = cv.getBoundingClientRect();
        if (e.clientX < r.left || e.clientX > r.right || e.clientY < r.top || e.clientY > r.bottom) { hover = null; return; }
        const n = hit(toWorld(e));
        hover = n ? n.id : null;
        cv.style.cursor = n ? 'pointer' : 'grab';
      });
      window.addEventListener('mouseup', e => {
        if (drag && !moved) { focus = drag.id; computeNear(); inspect(); alpha = Math.max(alpha, .4); }
        drag = null; panning = null; cv.classList.remove('grabbing');
      });
      cv.addEventListener('wheel', e => {
        e.preventDefault();
        const f = e.deltaY < 0 ? 1.12 : 0.89;
        scale = Math.max(0.2, Math.min(3, scale * f));
      }, { passive: false });
      cv.addEventListener('dblclick', () => fit());
      $('gin').onclick = () => { scale = Math.min(3, scale * 1.2); };
      $('gout').onclick = () => { scale = Math.max(0.2, scale / 1.2); };
      $('gfit').onclick = () => fit();
      $('gdepth').querySelectorAll('button').forEach(b => { b.onclick = () => setDepth(+b.dataset.d); });
      $('gjump').addEventListener('input', () => {
        const v = $('gjump').value.trim().toLowerCase();
        if (!v) return;
        const n = nodes.find(x => x.id.toLowerCase().includes(v));
        if (n) { focus = n.id; computeNear(); inspect(); alpha = Math.max(alpha, .5); }
      });
      $('grange').addEventListener('input', () => {
        cut = (+$('grange').value) / 100;
        $('gnow').textContent = cut >= 1 ? 'now' : 'rewound';
        $('gnow').classList.toggle('on', cut >= 1);
        build(); ticks(); inspect(); legend();
      });
    },
    mount() { resize(); build(); fit(); legend(); ticks(); inspect(); if (!raf) loop(); },
    rebuild() { if (!cv || !cv.clientWidth) return; resize(); build(); legend(); ticks(); inspect(); if (!raf) loop(); },
  };
})();

/* ══ query workbench ══════════════════════════════════════════════════
   Everything goes through /api/cal. Saved queries and templates are CAL
   statements (DEFINE / RUN / DESCRIBE / DROP), not console-local state, so
   they live in the .db file and work from the CLI and MCP too. Only the
   history is browser-local — that is personal and ephemeral. */
const READ_ONLY_STMTS = new Set(['RECALL','ASSEMBLE','EXPLAIN','HISTORY','EXISTS','DESCRIBE','COUNT']);
const WRITEY = new Set(['ADD','SUPERSEDE','ACCUMULATE','FORGET','DEFINE','DROP','BATCH','RUN']);
const leadKeyword = q => (String(q || '').trim().split(/[^A-Za-z0-9]/)[0] || '').toUpperCase();
const QUERY_NAME_RE = /^[a-zA-Z][a-zA-Z0-9 _-]{0,63}$/;
const Q = { res: null, view: null, text: '', fmtTab: null };
/* The engine reports what it can actually execute. DEFINE/RUN parse but are
   not in `supported_statements` on this build — the facade has no query or
   template registry — so gate the UI on the engine rather than on the docs. */
let CAPS = null;
const stmtSupported = kw => !CAPS || (CAPS.supported_statements || []).includes(kw);
async function loadCaps() {
  const r = await cal('DESCRIBE CAPABILITIES');
  CAPS = (r.ok && r.result && r.result.info) || null;
}

/* ── history: this browser, this file ── */
const histKey = () => 'areev.hist.' + (String(DB_PATH).split('/').pop() || 'db');
function histLoad() { try { return JSON.parse(localStorage.getItem(histKey()) || '[]'); } catch (e) { return []; } }
function histPush(q, summary) {
  const h = histLoad().filter(x => x.q !== q);
  h.unshift({ q, at: Date.now(), s: summary });
  try { localStorage.setItem(histKey(), JSON.stringify(h.slice(0, 100))); } catch (e) { /* quota */ }
}

/* ── the on-ramp ───────────────────────────────────────────────────────
   A blank editor is a wall for anyone who does not already know CAL. These
   questions write real statements into that same editor, so the first answer
   also teaches the language that produced it. Keep the CAL current — bare `|`
   is deprecated since CAL 1.1 (CAL-W007). */
const STARTERS = [
  ['What do we know about a person or account?', 'RECALL facts WHERE subject = "john"'],
  ['Search the whole memory in plain words', 'RECALL facts ABOUT "invoices in euros"'],
  ['How much does it know about one thing?', 'RECALL facts WHERE subject = "acme-corp" COUNT'],
  ['Build a context brief to paste into a model',
    'ASSEMBLE "brief me on john" FROM notes: (RECALL facts WHERE subject = "john") BUDGET 300 tokens FORMAT markdown'],
];
/* Grain types worth offering as a starting vocabulary, in the order a person
   meets them. Counts come from the file itself, so this reads as *your* data. */
const VOCAB = [
  ['facts', 'Things it holds as true'],
  ['observations', 'Things it noticed, unconfirmed'],
  ['tools', 'Every tool call it made'],
  ['events', 'Things that happened, in order'],
];
function renderStarters() {
  const box = $('qstarters'); box.textContent = '';
  for (const [question, stmt] of STARTERS) {
    const b = el('button', 'starter');
    b.appendChild(el('b', '', question));
    b.appendChild(el('code', '', stmt));
    b.onclick = () => { setQueryText(stmt); runQuery(stmt); };
    box.appendChild(b);
  }
}
/* Counts are a nicety, not a promise: if COUNT fails on a build the card still
   renders with its name and gloss, just without a number. */
async function renderVocab() {
  const box = $('qvocab'); box.textContent = '';
  const cards = VOCAB.map(([kind, gloss]) => {
    const b = el('button', 'vc');
    const top = el('div', 'top');
    top.appendChild(el('span', 'k', kind));
    const n = el('span', 'n', ''); top.appendChild(n);
    b.appendChild(top);
    b.appendChild(el('small', '', gloss));
    b.onclick = () => { const s = 'RECALL ' + kind + ' LIMIT 20';
      setQueryText(s); runQuery(s); };
    box.appendChild(b);
    return [kind, n];
  });
  for (const [kind, n] of cards) {
    const r = await cal('RECALL ' + kind + ' COUNT');
    if (r.ok && r.result && typeof r.result.count === 'number') n.textContent = r.result.count;
  }
}
/* Saved queries live in the file; history is this browser. Both were behind ▾
   menus, which is where the two most useful things on the page went to hide. */
async function renderRecents() {
  const box = $('qrecents'); box.textContent = '';
  const savedCol = el('div'), recentCol = el('div');
  savedCol.appendChild(el('div', 'sec-label', 'SAVED'));
  recentCol.appendChild(el('div', 'sec-label', 'RECENT'));
  box.appendChild(savedCol); box.appendChild(recentCol);

  const h = histLoad().slice(0, 5);
  if (!h.length) recentCol.appendChild(el('div', 'rempty', 'Nothing run yet in this browser'));
  for (const it of h) {
    const b = el('button', 'rrow');
    b.appendChild(el('div', 'rq', it.q));
    b.appendChild(el('div', 'rm', relTime(it.at) + (it.s ? ' · ' + it.s : '')));
    b.onclick = () => runQuery(it.q);
    recentCol.appendChild(b);
  }
  const qs = await cal('DESCRIBE QUERIES');
  const list = qs.ok ? pickList((qs.result || {}).info) : [];
  if (!list.length) savedCol.appendChild(el('div', 'rempty',
    stmtSupported('DEFINE') ? 'None saved yet — run something, then Save'
      : 'This build has no registry for saved queries yet'));
  for (const it of list.slice(0, 5)) {
    const name = itemName(it);
    const b = el('button', 'rrow');
    b.appendChild(el('div', 'rn', name));
    b.appendChild(el('div', 'rm', itemDesc(it) || 'RUN "' + name + '"'));
    b.onclick = () => runQuery('RUN "' + name + '"');
    savedCol.appendChild(b);
  }
}
function renderOnramp() { renderStarters(); renderVocab(); renderRecents(); }

/* ── the editor ────────────────────────────────────────────────────────
   A textarea cannot hold colour, so the caret stays in a transparent one and
   a mirror underneath carries the highlighting. Keep the two in lockstep:
   same font, same padding, same wrapping, or the colours drift off the text.
   The keyword list is additive on purpose — a word CAL gains before this list
   does simply renders unstyled, which is the harmless failure. */
const CAL_KEYWORDS = new Set(['RECALL', 'ASSEMBLE', 'EXPLAIN', 'HISTORY', 'EXISTS', 'DESCRIBE',
  'COUNT', 'ADD', 'SUPERSEDE', 'ACCUMULATE', 'FORGET', 'DEFINE', 'DROP', 'BATCH', 'RUN', 'LET',
  'WHERE', 'LIMIT', 'ABOUT', 'LIKE', 'FROM', 'BUDGET', 'TOKENS', 'FORMAT', 'PRESET', 'TEMPLATE',
  'ORDER', 'BY', 'ASC', 'DESC', 'AND', 'OR', 'NOT', 'AS', 'SET', 'WITH', 'SINCE', 'UNTIL', 'OF',
  'PRIORITY', 'QUERY', 'QUERIES', 'TEMPLATES', 'CAPABILITIES', 'ELEMENT', 'SECTION', 'PROGRESSIVE',
  'IN', 'TRUE', 'FALSE', 'NULL']);
function highlightCal(src) {
  const s = String(src); let out = '', i = 0;
  while (i < s.length) {
    const ch = s[i];
    if (ch === '"') {
      let j = i + 1;
      while (j < s.length && s[j] !== '"') j += (s[j] === '\\' ? 2 : 1);
      out += '<span class="s">' + esc(s.slice(i, Math.min(j + 1, s.length))) + '</span>';
      i = j + 1; continue;
    }
    if (ch === '-' && s[i + 1] === '-') {
      let j = s.indexOf('\n', i); if (j < 0) j = s.length;
      out += '<span class="c">' + esc(s.slice(i, j)) + '</span>'; i = j; continue;
    }
    if (/[0-9]/.test(ch) && !/[A-Za-z0-9_]/.test(s[i - 1] || '')) {
      let j = i; while (j < s.length && /[0-9._]/.test(s[j])) j++;
      out += '<span class="n">' + esc(s.slice(i, j)) + '</span>'; i = j; continue;
    }
    if (/[A-Za-z_]/.test(ch)) {
      let j = i; while (j < s.length && /[A-Za-z0-9_]/.test(s[j])) j++;
      const w = s.slice(i, j);
      out += CAL_KEYWORDS.has(w.toUpperCase()) ? '<span class="k">' + esc(w) + '</span>' : esc(w);
      i = j; continue;
    }
    out += esc(ch); i++;
  }
  return out;
}
/* Grow with the statement rather than making people drag a corner, but stop
   at max-height so a long ASSEMBLE cannot push the results off the screen. */
function syncEditor() {
  const ta = $('qtext'), hl = $('qhl');
  hl.innerHTML = highlightCal(ta.value) + '\n';   /* spacer: a trailing newline has no box */
  ta.style.height = 'auto';
  ta.style.height = Math.min(ta.scrollHeight, 340) + 'px';
  hl.scrollTop = ta.scrollTop;
}
function setQueryText(s) { $('qtext').value = s; syncEditor(); queryNotice(); }

/* ── result shape helpers ── */
const rType = r => (r && r.type) || 'unknown';
const rGrains = r => (r && r.grains) || [];
function isHomogeneous(gs) {
  if (gs.length < 2) return true;
  const key = g => (rgType(g) || '') + '|' + Object.keys(rgFields(g)).sort().join(',');
  const k0 = key(gs[0]);
  return gs.every(g => key(g) === k0);
}
function defaultQView(r) {
  const t = rType(r);
  if (t === 'explain') return 'plan';
  if (t === 'multi_formatted') { const n = Object.keys(r.formats || {})[0]; return n ? 'fmt:' + n : 'raw'; }
  if (t === 'formatted') return 'format';
  if (t === 'grains' || t === 'assembled') return isHomogeneous(rGrains(r)) ? 'table' : 'cards';
  if (t === 'history') return 'history';
  return 'raw';
}
function viewsFor(r) {
  const t = rType(r), v = [];
  if (t === 'grains' || t === 'assembled') {
    v.push(['cards', 'Cards'], ['table', 'Table']);
    if (rGrains(r).some(g => rgFields(g).subject && typeof rgFields(g).object === 'string')) v.push(['graph', 'Graph']);
  }
  if (t === 'formatted') v.push(['format', r.format || 'Rendered']);
  if (t === 'multi_formatted') for (const n of Object.keys(r.formats || {})) v.push(['fmt:' + n, n]);
  if (t === 'history') v.push(['history', 'Timeline']);
  if (t === 'explain') v.push(['plan', 'Plan']);
  v.push(['raw', 'Raw']);
  return v;
}
function summarise(res) {
  const r = res.result || {}, t = rType(r);
  if (t === 'grains' || t === 'assembled') return rGrains(r).length + ' grains';
  if (t === 'count') return r.count + ' count';
  if (t === 'history') return (r.versions || []).length + ' versions';
  if (t === 'multi_formatted') return Object.keys(r.formats || {}).length + ' formats';
  return t;
}

/* ── running ── */
async function runQuery(text) {
  const t = (text != null ? text : $('qtext').value).trim();
  if (!t) return;
  if (text != null) setQueryText(t);
  Q.text = t;
  $('qerr').hidden = true;
  $('qrun').disabled = true;
  const res = await cal(t);
  $('qrun').disabled = false;
  if (!res.ok) { Q.res = null; showQueryError(t, res); $('qresult').hidden = true; return; }
  Q.res = res; Q.view = defaultQView(res.result); Q.fmtTab = null;
  histPush(t, summarise(res));
  renderQueryResult();
  if (WRITEY.has(leadKeyword(t))) refresh();
}
function showQueryError(q, res) {
  const box = $('qerr');
  let html = '<span class="code">' + esc(res.code || 'CAL') + '</span>' + esc(res.error || 'error');
  if (res.span && res.span.line) {
    const line = q.split('\n')[res.span.line - 1] || '';
    const col = Math.max(1, res.span.col || 1);
    const width = Math.max(1, (res.span.end || 0) - (res.span.start || 0));
    html += '<pre>' + esc(line) + '\n' + ' '.repeat(col - 1)
      + '^'.repeat(Math.min(width, Math.max(1, line.length - col + 1))) + '</pre>';
  }
  if (res.suggestion) html += '<div class="hint">hint: ' + esc(res.suggestion) + '</div>';
  box.innerHTML = html; box.hidden = false;
}
/* Classification is by leading keyword, so a read-only query that opens with
   LET is refused on a token-less console. Say so before they press Run. */
function queryNotice() {
  const kw = leadKeyword($('qtext').value);
  const n = $('qnotice');
  if (!kw || canWrite() || READ_ONLY_STMTS.has(kw)) { n.textContent = ''; return; }
  n.textContent = kw + ' needs a console started with --token-env';
  n.style.color = 'var(--warn)';
}

/* ── the result viewer ── */
const GRAIN_VAR = { fact: '--cat-person', observation: '--cat-note', event: '--cat-thing',
  goal: '--cat-project', tool: '--cat-org', skill: '--cat-project', state: '--cat-thing' };
const FMT_META = { markdown: ['md', 'text/markdown'], table: ['md', 'text/markdown'],
  json: ['json', 'application/json'], yaml: ['yaml', 'text/yaml'], csv: ['csv', 'text/csv'],
  sml: ['sml', 'text/plain'], toon: ['toon', 'text/plain'], text: ['txt', 'text/plain'],
  triples: ['txt', 'text/plain'] };
/* Restate the statement in plain words. Derived from the CAL that was run —
   never guessed from the result — so a non-technical reader can check the
   query asked what they meant before trusting the rows. */
function describeQuery(text) {
  const t = String(text || ''), kw = leadKeyword(t);
  if (kw === 'ASSEMBLE') return 'a context brief, budgeted for a model';
  if (kw === 'EXPLAIN') return 'how the engine would run this — nothing was read';
  if (kw === 'HISTORY') return 'every version of it, newest first';
  const kind = (t.match(/\b(?:RECALL|EXISTS)\s+([a-z_]+)/i) || [])[1];
  const subj = (t.match(/subject\s*=\s*"([^"]+)"/i) || [])[1];
  const about = (t.match(/\bABOUT\s+"([^"]+)"/i) || [])[1];
  const bits = [];
  if (kind && kind.toLowerCase() !== 'facts') bits.push('from ' + kind);
  if (subj) bits.push('about ' + subj);
  if (about) bits.push('matching “' + about + '”');
  bits.push('newest first');
  return bits.join(', ');
}
function renderQuerySummary() {
  const box = $('qsummary'); box.textContent = '';
  const res = Q.res; if (!res) return;
  const r = res.result || {}, t = rType(r), gs = rGrains(r);
  let head;
  if (t === 'count') head = r.count + (r.count === 1 ? ' match' : ' matches');
  else if (t === 'grains' || t === 'assembled') head = gs.length + (gs.length === 1 ? ' memory' : ' memories');
  else if (t === 'history') head = (r.versions || []).length + ' versions';
  else if (t === 'explain') head = 'Query plan';
  /* A FORMAT result counts renderings, not answers — say how many memories
     went in, so "2 formats" cannot be misread as two results. */
  else if (t === 'formatted' || t === 'multi_formatted') {
    const n = r.grain_count;
    head = n != null ? n + (n === 1 ? ' memory' : ' memories') : 'Rendered';
  }
  else head = summarise(res);
  const h = el('div', 'h', head + ' ');
  h.appendChild(el('em', '', describeQuery(Q.text)));
  box.appendChild(h);
  const sup = gs.filter(g => g.superseded_by || rgFields(g).superseded_by).length;
  if (sup) box.appendChild(el('div', 'tiny', sup + (sup === 1 ? ' has' : ' have')
    + ' been superseded since it was written — the older wording is kept so the change stays auditable'));
  else if (res.elapsed_ms != null) box.appendChild(el('div', 'tiny', 'Ran in ' + res.elapsed_ms + ' ms'
    + (r.total_available != null && r.total_available > gs.length
      ? ' · ' + r.total_available + ' match in total' : '')));
}
/* Back to the on-ramp without reloading — the editor keeps its text so the
   last query is still there to edit. */
function resetQuery() {
  Q.res = null; Q.view = null;
  $('qresult').hidden = true; $('qerr').hidden = true;
  $('qonramp').hidden = false; $('qintro').hidden = false; $('qreset').hidden = true;
  renderOnramp(); $('qtext').focus();
}
function renderQueryResult() {
  const res = Q.res;
  $('qresult').hidden = !res;
  $('qonramp').hidden = !!res;
  $('qintro').hidden = !!res;
  $('qreset').hidden = !res;
  if (!res) return;
  renderQuerySummary();
  const r = res.result || {}, t = rType(r);
  /* The view can survive a re-render (page switch) into a result that has no
     such view — fall back rather than render an empty pane. */
  const available = viewsFor(r).map(v => v[0]);
  if (!available.includes(Q.view)) Q.view = defaultQView(r);
  const bar = $('qbar'); bar.textContent = '';
  const gs = rGrains(r);
  const total = r.total_available;
  const seg = el('div', 'seg sm');
  for (const [v, name] of viewsFor(r)) {
    const b = el('button', Q.view === v ? 'on' : '', name);
    b.onclick = () => { Q.view = v; renderQueryResult(); };
    seg.appendChild(b);
  }
  bar.appendChild(seg);
  const sp = el('div'); sp.style.flex = '1'; bar.appendChild(sp);
  bar.appendChild(resultMenu('Copy', m => {
    /* Ordered by where results actually go: a doc or ticket, a spreadsheet,
       then code. `text` only exists on a FORMAT result — offer it first when
       it does, because that is the thing the person asked to be rendered. */
    if (r.text) mi(m, 'Copy as shown', 'the rendered ' + (r.format || 'output'),
      () => copyText(r.text, 'Result'));
    if (t === 'grains' || t === 'assembled') {
      mi(m, 'Copy as Markdown', 'a table you can paste into a doc',
        () => copyText(grainsMarkdown(gs), 'Markdown table'));
      mi(m, 'Copy as CSV', 'for a spreadsheet', () => copyText(grainsCsv(gs), 'CSV'));
    }
    mi(m, 'Copy as JSON', 'the raw result', () => copyText(JSON.stringify(r, null, 2), 'Result JSON'));
  }));
  bar.appendChild(resultMenu('Download', m => {
    mi(m, 'JSON', 'areev-result.json', () => download('areev-result.json', JSON.stringify(r, null, 2)));
    if (t === 'grains' || t === 'assembled') {
      mi(m, 'CSV', 'areev-result.csv', () => download('areev-result.csv', grainsCsv(gs), 'text/csv'));
    }
  }));

  const body = $('qbody'); body.textContent = '';
  if (t === 'assembled') body.appendChild(assembledSources(r));
  if (Q.view === 'cards') body.appendChild(qCards(gs));
  else if (Q.view === 'table') body.appendChild(qTable(gs));
  else if (Q.view === 'graph') body.appendChild(qGraphNote(gs));
  else if (Q.view === 'format' || String(Q.view).startsWith('fmt:')) body.appendChild(qFormats(r));
  else if (Q.view === 'history') body.appendChild(qHistory(r));
  else if (Q.view === 'plan') body.appendChild(qPlan(r));
  else body.appendChild(jsonBlock(r));
  /* Lay out immediately (reading scrollHeight forces the reflow we need),
     then once more on the next frame in case web fonts shift the metrics. */
  if (Q.view === 'cards') { layoutMasonry(); requestAnimationFrame(layoutMasonry); }

  /* Honest paging: the engine tells us the true total, so never imply the
     page is the whole answer. Re-runs with a larger LIMIT (CAL is bounded,
     there is no stream to scroll). */
  const more = $('qmore'); more.textContent = ''; more.hidden = true;
  if ((t === 'grains' || t === 'assembled') && total != null && total > gs.length) {
    more.hidden = false;
    const b = el('button', 'btn ghost', 'Load 20 more (' + (total - gs.length) + ' not shown)');
    b.onclick = () => runQuery(growLimit(Q.text, 20));
    more.appendChild(b);
  }
}
function growLimit(text, by) {
  const m = /\bLIMIT\s+(\d+)/i.exec(text);
  if (m) return text.replace(/\bLIMIT\s+\d+/i, 'LIMIT ' + (parseInt(m[1], 10) + by));
  /* FORMAT closes the statement, so a LIMIT appended after it would not
     parse — insert before the clause instead of at the end. */
  const f = /\sFORMAT\s/i.exec(text);
  if (f) return text.slice(0, f.index) + ' LIMIT ' + (20 + by) + text.slice(f.index);
  return text.trim() + ' LIMIT ' + (20 + by);
}
/* A dropdown built where the bar is rebuilt each render. It carries the same
   classes as the static menus, so the document-level click handler closes it. */
function resultMenu(label, build) {
  const wrap = el('div', 'menuwrap');
  const btn = el('button', 'btn ghost sm hasmenu', label);
  const menu = el('div', 'menu'); menu.hidden = true;
  btn.onclick = () => {
    const wasOpen = !menu.hidden;
    for (const x of document.querySelectorAll('.menu')) x.hidden = true;
    if (wasOpen) return;
    menu.textContent = ''; build(menu); menu.hidden = false;
  };
  wrap.appendChild(btn); wrap.appendChild(menu);
  return wrap;
}
/* Markdown, because a result usually ends up in a ticket or a doc. Pipes in a
   value would break the table, so escape them rather than dropping them. */
function grainsMarkdown(gs) {
  const keys = new Set(); for (const g of gs) for (const k of Object.keys(rgFields(g))) keys.add(k);
  const cols = ['kind', ...keys];
  const cell = v => (v == null ? '' : (typeof v === 'object' ? JSON.stringify(v) : String(v)))
    .replace(/\|/g, '\\|').replace(/\n/g, ' ');
  return ['| ' + cols.join(' | ') + ' |', '| ' + cols.map(() => '---').join(' | ') + ' |']
    .concat(gs.map(g => '| ' + cols.map(c =>
      cell(c === 'kind' ? rgType(g) : rgFields(g)[c])).join(' | ') + ' |')).join('\n');
}
/* Colour JSON the same way values are coloured elsewhere in the console. The
   regex runs before quote-escaping — escaping `"` first would hide the very
   delimiter it matches on — so only &, < and > are escaped up front. */
function highlightJson(text) {
  const safe = String(text).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
  return safe.replace(
    /("(?:\\.|[^"\\])*")(\s*:)?|\b(true|false)\b|\b(null)\b|(-?\d+(?:\.\d+)?(?:[eE][+-]?\d+)?)/g,
    (m, str, colon, bool, nul, num) => {
      if (str) return '<span class="' + (colon ? 'jk' : 'js') + '">' + str + '</span>' + (colon || '');
      if (bool) return '<span class="jb">' + bool + '</span>';
      if (nul) return '<span class="jz">' + nul + '</span>';
      if (num) return '<span class="jn">' + num + '</span>';
      return m;
    });
}
function jsonBlock(value) {
  const text = typeof value === 'string' ? value : JSON.stringify(value, null, 2);
  const pre = el('pre', 'code jsonv');
  pre.innerHTML = highlightJson(text);
  return pre;
}
function grainsCsv(gs) {
  const keys = new Set(); for (const g of gs) for (const k of Object.keys(rgFields(g))) keys.add(k);
  const cols = ['hash', ...keys];
  const cell = v => { const s = v == null ? '' : (typeof v === 'object' ? JSON.stringify(v) : String(v));
    return /[",\n]/.test(s) ? '"' + s.replace(/"/g, '""') + '"' : s; };
  return [cols.join(',')].concat(gs.map(g => cols.map(c =>
    cell(c === 'hash' ? g.hash : rgFields(g)[c])).join(','))).join('\n');
}
const CARD_SKIP = new Set(['subject','relation','object','type','content','tool_content','description']);
/* Stored values are machine-shaped — epoch millis and raw JSON. Render them
   the way a person reads them, but never lie about the value. */
function fmtValue(key, val) {
  if (val == null) return '';
  if (typeof val === 'number' && /(^|_)(at|ms)$/.test(key) && val > 1e11) {
    return new Date(val).toLocaleString();
  }
  if (typeof val === 'number' && !Number.isInteger(val)) return String(Math.round(val * 1e4) / 1e4);
  if (typeof val === 'object') return clampText(JSON.stringify(val));
  return clampText(String(val));
}
/* Classify a value so colour can mean something. Hashes are teal wherever they
   appear in this console; a failing flag is the one thing worth flagging. */
function valueClass(key, val) {
  const k = String(key).toLowerCase();
  if (typeof val === 'boolean') return val ? (/error|fail|stale|gone/.test(k) ? 'v-no' : 'v-yes') : 'v-time';
  if (typeof val === 'number') return /(^|_)(at|ms)$/.test(k) && val > 1e11 ? 'v-time' : 'v-num';
  const s = String(val);
  if (/hash|^id$|_by$|derived_from|^svt$/.test(k) && /^[0-9a-f]{12,}$/i.test(s)) return 'v-hash';
  if (/^[0-9a-f]{40,}$/i.test(s)) return 'v-hash';
  return '';
}
/* Nothing matched is a result, not a failure. Restate the question, then hand
   over the two moves that usually find it: search the words instead of the
   key, or drop the filter. */
function qNoResults() {
  const box = el('div', 'nores');
  box.appendChild(el('div', 't', 'Nothing matched'));
  box.appendChild(el('div', 'd', 'The query ran without error — this memory simply holds nothing '
    + (describeQuery(Q.text) || 'matching it') + '. Memories are only ever added, so an empty '
    + 'answer means it was never written, not that it was removed.'));
  const acts = el('div', 'acts');
  const about = (Q.text.match(/subject\s*=\s*"([^"]+)"/i) || [])[1];
  if (about) {
    const b = el('button', 'btn ghost sm', 'Search the words instead');
    b.onclick = () => { const s = 'RECALL facts ABOUT "' + about + '"'; setQueryText(s); runQuery(s); };
    acts.appendChild(b);
  }
  if (/\bWHERE\b/i.test(Q.text)) {
    const b = el('button', 'btn ghost sm', 'Drop the filter');
    b.onclick = () => { const s = Q.text.replace(/\s+WHERE\b[\s\S]*?(?=\s+(?:LIMIT|ORDER|FORMAT|COUNT)\b|$)/i, '');
      setQueryText(s.trim()); runQuery(s.trim()); };
    acts.appendChild(b);
  }
  const b = el('button', 'btn ghost sm', 'Start over');
  b.onclick = resetQuery; acts.appendChild(b);
  box.appendChild(acts);
  return box;
}
/* EXPLAIN answers "how would you run this", so render the plan rather than
   dropping the reader into raw JSON. The engine ignores FORMAT here — it has
   no rows to render — which is worth saying out loud, because asking for
   `EXPLAIN … FORMAT markdown` and getting no markdown tab looks like a bug. */
const PLAN_LABEL = { query_routing: 'routing', index_usage: 'index', estimated_cost: 'cost',
  grain_type: 'reads', statement_type: 'statement', pipeline: 'pipeline', filters: 'filters' };
function qPlan(r) {
  const plan = r.plan || {};
  const wrap = el('div', 'planv');
  const order = ['statement_type', 'query_routing', 'index_usage', 'estimated_cost',
    'filters', 'pipeline', 'grain_type'];
  const keys = order.filter(k => k in plan).concat(Object.keys(plan).filter(k => !order.includes(k)));
  for (const k of keys) {
    const v = plan[k];
    const row = el('div', 'prow');
    row.appendChild(el('b', null, PLAN_LABEL[k] || k.replace(/_/g, ' ')));
    row.appendChild(el('span', null, Array.isArray(v) ? v.join(' · ') : String(v)));
    wrap.appendChild(row);
  }
  if (/\bFORMAT\b/i.test(Q.text)) {
    const n = el('div', 'pnote', 'FORMAT is ignored by EXPLAIN — a plan has no rows to render, '
      + 'so no rendered tab appears. Run the same query without EXPLAIN to see it formatted.');
    wrap.appendChild(n);
  }
  return wrap;
}
function qCards(gs) {
  const host = el('div'); host.id = 'qcards';
  if (!gs.length) return qNoResults();
  for (const g of gs) {
    const f = rgFields(g), t = rgType(g);
    const c = el('div', 'qcard');
    const hd = el('div', 'hd');
    const k = el('span', 'kind', t || 'grain');
    k.style.color = 'var(' + (GRAIN_VAR[t] || '--cat-thing') + ')';
    hd.appendChild(k);
    const sp = el('div'); sp.style.flex = '1'; hd.appendChild(sp);
    if (g.hlc) hd.appendChild(el('span', 'tiny', relTime(hlcMs(g.hlc))));
    c.appendChild(hd);
    c.appendChild(el('div', 'say', sentence({ type: t, fields: f })));
    for (const [key, val] of Object.entries(f)) {
      if (CARD_SKIP.has(key)) continue;
      const row = el('div', 'kv');
      row.appendChild(el('b', null, key.replace(/_/g, ' ')));
      row.appendChild(el('span', valueClass(key, val), fmtValue(key, val)));
      c.appendChild(row);
    }
    if (g.hash) {
      const h = el('div', 'mono dev-only', g.hash.slice(0, 20));
      c.appendChild(h);
      c.style.cursor = 'pointer';
      c.onclick = () => openPanel(g.hash);
    }
    host.appendChild(c);
  }
  return host;
}
/* Measure the *content*, not the box. Once a card is placed it is already
   constrained to its grid rows, so reading the rendered height feeds the
   previous answer back in — collapse to one row first, then measure
   scrollHeight (overflow is hidden, so that is the natural height). */
function layoutMasonry() {
  const grid = $('qcards'); if (!grid) return;
  const rowH = 8, gutter = 16;
  for (const c of grid.children) c.style.gridRowEnd = 'span 1';
  void grid.offsetHeight;
  for (const c of grid.children) {
    c.style.gridRowEnd = 'span ' + Math.ceil((c.scrollHeight + gutter) / rowH);
  }
}
function qTable(gs) {
  if (!gs.length) return qNoResults();
  const freq = new Map();
  for (const g of gs) for (const k of Object.keys(rgFields(g))) freq.set(k, (freq.get(k) || 0) + 1);
  /* A memory reads subject → relation → object; sorting columns by how often
     a field appears put object before subject and inverted the sentence. Pin
     the triple in reading order, then the rest by frequency. */
  const LEAD = ['subject', 'relation', 'object'];
  const rest = [...freq.entries()].sort((a, b) => b[1] - a[1]).map(e => e[0])
    .filter(k => k !== 'type' && !LEAD.includes(k));
  const cols = LEAD.filter(k => freq.has(k)).concat(rest).slice(0, 8);
  const wrap = el('div'); wrap.style.overflowX = 'auto';
  const tb = document.createElement('table'); tb.id = 'qtable';
  const thead = document.createElement('thead'); const hr = document.createElement('tr');
  hr.appendChild(el('th', null, 'kind'));
  for (const c of cols) hr.appendChild(el('th', null, c.replace(/_/g, ' ')));
  thead.appendChild(hr); tb.appendChild(thead);
  const tbody = document.createElement('tbody');
  for (const g of gs) {
    const tr = document.createElement('tr');
    tr.style.cursor = g.hash ? 'pointer' : 'default';
    if (g.hash) tr.onclick = () => openPanel(g.hash);
    const kd = el('td', null, rgType(g) || '');
    kd.style.color = 'var(' + (GRAIN_VAR[rgType(g)] || '--cat-thing') + ')';
    tr.appendChild(kd);
    for (const c of cols) {
      const v = rgFields(g)[c];
      tr.appendChild(el('td', valueClass(c, v), fmtValue(c, v)));
    }
    tbody.appendChild(tr);
  }
  tb.appendChild(tbody); wrap.appendChild(tb);
  return wrap;
}
function qFormats(r) {
  const map = rType(r) === 'multi_formatted' ? (r.formats || {}) : { [r.format || 'text']: r.text || '' };
  const names = Object.keys(map);
  const wrap = el('div'); wrap.style.cssText = 'display:flex;flex-direction:column;gap:12px;padding-top:14px';
  /* Which format to show now lives in Q.view. Test for the key, not the text:
     a renderer that produced "" is still a format you asked for, and treating
     it as missing made an empty tab impossible to select. */
  const want = String(Q.view).startsWith('fmt:') ? String(Q.view).slice(4) : null;
  Q.fmtTab = (want != null && want in map) ? want : names[0];
  const text = map[Q.fmtTab] != null ? map[Q.fmtTab] : '';
  if (!text) wrap.appendChild(el('div', 'pnote', 'The ' + Q.fmtTab + ' renderer returned nothing — '
    + 'there were no grains to render. The query ran fine; it simply matched nothing.'));
  else wrap.appendChild(Q.fmtTab === 'json' ? jsonBlock(text) : el('pre', 'code', text));
  const row = el('div'); row.style.cssText = 'display:flex;gap:9px';
  const cp = el('button', 'btn ghost sm', 'Copy');
  cp.onclick = () => copyText(text, Q.fmtTab);
  const meta = FMT_META[Q.fmtTab] || ['txt', 'text/plain'];
  const dl = el('button', 'btn ghost sm', 'Download .' + meta[0]);
  dl.onclick = () => download('areev-result.' + meta[0], text, meta[1]);
  row.appendChild(cp); row.appendChild(dl);
  wrap.appendChild(row);
  return wrap;
}
function qHistory(r) {
  const wrap = el('div'); wrap.style.paddingTop = '10px';
  for (const v of (r.versions || [])) {
    const row = el('div', 'srow');
    const f = v.fields || {};
    row.appendChild(el('span', 't', typeof f.object === 'string' ? f.object : preview(f)));
    row.appendChild(el('span', 'w', relTime(hlcMs(v.hlc))));
    if (v.hash) { row.style.cursor = 'pointer'; row.onclick = () => openPanel(v.hash); }
    wrap.appendChild(row);
  }
  return wrap;
}
function qGraphNote(gs) {
  const wrap = el('div'); wrap.style.paddingTop = '14px';
  wrap.appendChild(el('div', 'meta', 'Showing these ' + gs.length + ' results as a graph — '
    + 'scroll to zoom, drag the background to pan, drag a node to move it, click one to explore it.'));
  const stage = el('div'); stage.id = 'qstage'; stage.style.marginTop = '10px';
  const cv = document.createElement('canvas');
  cv.id = 'qcanvas';
  stage.appendChild(cv);
  const zoom = el('div', 'float'); zoom.id = 'qzoom';
  const btn = (txt, title, cls) => { const b = el('button', cls, txt); b.title = title; return b; };
  const bOut = btn('−', 'zoom out'), bIn = btn('+', 'zoom in'), bFit = btn('Fit', 'fit to view', 'lbl');
  zoom.append(bOut, bIn, bFit);
  stage.appendChild(zoom);
  wrap.appendChild(stage);
  /* The canvas has no layout size until it is in the document. */
  requestAnimationFrame(() => drawResultGraph(cv, gs, { zin: bIn, zout: bOut, fit: bFit }));
  return wrap;
}
/* Assembly is Areev's differentiator — show where the budget went. */
function assembledSources(r) {
  const wrap = el('div'); wrap.style.cssText = 'display:flex;flex-direction:column;gap:8px;padding:14px 0';
  const cap = r.budget_limit || r.total_tokens || 1;
  wrap.appendChild(el('span', 'sec-label', 'ASSEMBLY BUDGET · ' + (r.total_tokens || 0)
    + (r.budget_limit ? ' of ' + r.budget_limit : '') + ' tokens'));
  for (const s of (r.sources || [])) {
    const row = el('div'); row.style.cssText = 'display:flex;align-items:center;gap:12px';
    const n = el('span', null, s.name || s.label || 'source');
    n.style.cssText = 'width:150px;flex-shrink:0;font-size:13.5px;color:var(--ink)';
    row.appendChild(n);
    const track = el('div'); track.style.cssText = 'flex:1;height:8px;border-radius:4px;background:var(--raise)';
    const fill = el('div');
    const pct = Math.max(2, Math.round(100 * (s.tokens || 0) / cap));
    fill.style.cssText = 'height:8px;border-radius:4px;background:var(--accent);width:' + pct + '%';
    track.appendChild(fill); row.appendChild(track);
    row.appendChild(el('span', 'tiny', (s.tokens || 0) + ' tok · ' + (s.grain_count != null ? s.grain_count + ' grains' : '')));
    wrap.appendChild(row);
  }
  return wrap;
}

/* A compact, self-contained layout for result graphs. Deliberately separate
   from the memory graph: that one owns rewind, depth and focus state, and
   entangling the two would make both harder to reason about. */
function drawResultGraph(cv, gs, ctrls) {
  const ctx = cv.getContext('2d');
  const nodes = new Map(), links = [];
  const add = n => { if (!nodes.has(n)) nodes.set(n, { id: n, x: (Math.random() - .5) * 260,
    y: (Math.random() - .5) * 260, vx: 0, vy: 0, deg: 0 }); return nodes.get(n); };
  for (const g of gs) {
    const f = rgFields(g);
    if (!f.subject || typeof f.object !== 'string' || !f.object) continue;
    const a = add(f.subject), b = add(f.object);
    a.deg++; b.deg++;
    links.push({ a: f.subject, b: f.object, label: String(f.relation || '').replace(/_/g, ' ') });
  }
  const list = [...nodes.values()];
  if (!list.length) { ctx.clearRect(0, 0, cv.width, cv.height); return; }
  /* Settle once, up front: the layout is the answer's shape, and a graph that
     keeps drifting under the cursor is harder to read than one that holds
     still. Everything after this is view state — the node positions only move
     when a person drags them. */
  for (let step = 0; step < 320; step++) {
    const k = Math.max(0.05, 1 - step / 320);
    for (let i = 0; i < list.length; i++) for (let j = i + 1; j < list.length; j++) {
      const a = list[i], b = list[j];
      let dx = b.x - a.x, dy = b.y - a.y, d2 = dx * dx + dy * dy;
      if (d2 < 1) { dx = Math.random(); dy = Math.random(); d2 = 1; }
      if (d2 > 160000) continue;
      const d = Math.sqrt(d2), f = (4200 * k) / d2;
      a.vx -= dx / d * f; a.vy -= dy / d * f; b.vx += dx / d * f; b.vy += dy / d * f;
    }
    for (const l of links) {
      const a = nodes.get(l.a), b = nodes.get(l.b);
      const dx = b.x - a.x, dy = b.y - a.y, d = Math.max(1, Math.hypot(dx, dy));
      const f = (d - 150) * 0.015 * k;
      a.vx += dx / d * f; a.vy += dy / d * f; b.vx -= dx / d * f; b.vy -= dy / d * f;
    }
    for (const n of list) { n.vx += -n.x * 0.005 * k; n.vy += -n.y * 0.005 * k;
      n.x += (n.vx *= 0.82); n.y += (n.vy *= 0.82); }
  }
  /* ── view state: one pan/zoom transform over settled world coordinates ── */
  let scale = 1, tx = 0, ty = 0, W = 0, H = 0, hover = null, touched = false;
  const radius = n => 12 + Math.min(16, n.deg * 3);
  const MIN_SCALE = 0.2, MAX_SCALE = 4;
  function fit() {
    let x0 = Infinity, y0 = Infinity, x1 = -Infinity, y1 = -Infinity;
    for (const n of list) { const r = radius(n);
      x0 = Math.min(x0, n.x - r - 50); x1 = Math.max(x1, n.x + r + 50);
      y0 = Math.min(y0, n.y - r - 26); y1 = Math.max(y1, n.y + r + 26); }
    scale = Math.max(0.25, Math.min(1.3, Math.min(W / (x1 - x0), H / (y1 - y0))));
    tx = W / 2 - (x0 + x1) / 2 * scale;
    ty = H / 2 - (y0 + y1) / 2 * scale;
  }
  const toWorld = e => { const r = cv.getBoundingClientRect();
    return { x: (e.clientX - r.left - tx) / scale, y: (e.clientY - r.top - ty) / scale }; };
  /* Topmost first, so the node you see on top is the one you grab. */
  const hit = p => { for (let i = list.length - 1; i >= 0; i--) { const n = list[i];
    if (Math.hypot(n.x - p.x, n.y - p.y) <= radius(n) + 4) return n; } return null; };
  function resize() {
    W = cv.clientWidth; H = cv.clientHeight;
    const dpr = window.devicePixelRatio || 1;
    cv.width = Math.round(W * dpr); cv.height = Math.round(H * dpr);
  }
  /* Coalesce to one paint per frame — a trackpad emits wheel events far faster
     than the display refreshes. */
  let queued = false;
  const redraw = () => { if (queued) return; queued = true;
    requestAnimationFrame(() => { queued = false; draw(); }); };
  /* Zoom about a point in canvas space, so the thing under the cursor (or the
     middle, for the buttons) stays put. */
  function zoomAt(px, py, factor) {
    const next = Math.max(MIN_SCALE, Math.min(MAX_SCALE, scale * factor));
    if (next === scale) return;
    tx = px - (px - tx) * (next / scale);
    ty = py - (py - ty) * (next / scale);
    scale = next; touched = true; redraw();
  }

  function draw() {
    const dpr = window.devicePixelRatio || 1;
    const ink = cssVar('--ink'), line = cssVar('--line2'), accent = cssVar('--accent'),
          well = cssVar('--well'), dim = cssVar('--dim');
    ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
    ctx.clearRect(0, 0, W, H);
    ctx.save();
    ctx.translate(tx, ty); ctx.scale(scale, scale);
    ctx.strokeStyle = line; ctx.lineWidth = 1.5;
    for (const l of links) { const a = nodes.get(l.a), b = nodes.get(l.b);
      ctx.beginPath(); ctx.moveTo(a.x, a.y); ctx.lineTo(b.x, b.y); ctx.stroke(); }
    const halo = (t, x, y, font, fill) => { ctx.font = font; ctx.textAlign = 'center';
      ctx.lineWidth = 3.5; ctx.lineJoin = 'round'; ctx.strokeStyle = well; ctx.strokeText(t, x, y);
      ctx.fillStyle = fill; ctx.fillText(t, x, y); };
    if (scale > 0.5) for (const l of links) {
      const a = nodes.get(l.a), b = nodes.get(l.b);
      const len = Math.hypot(b.x - a.x, b.y - a.y);
      if (!l.label || len < 130) continue;
      const nx = -(b.y - a.y) / len, ny = (b.x - a.x) / len;
      halo(l.label, (a.x + b.x) / 2 + nx * 11, (a.y + b.y) / 2 + ny * 11 + 4, '12px ' + cssVar('--sans'), dim);
    }
    for (const n of list) {
      const r = radius(n);
      if (n.id === hover) { ctx.strokeStyle = accent; ctx.lineWidth = 2 / scale;
        ctx.beginPath(); ctx.arc(n.x, n.y, r + 4, 0, 7); ctx.stroke(); }
      ctx.fillStyle = accent; ctx.globalAlpha = 0.9;
      ctx.beginPath(); ctx.arc(n.x, n.y, r, 0, 7); ctx.fill();
      ctx.globalAlpha = 1;
      halo(n.id.length > 22 ? n.id.slice(0, 21) + '…' : n.id, n.x, n.y + r + 16,
        '600 13px ' + cssVar('--sans'), ink);
    }
    ctx.restore();
  }

  /* ── interaction ──
     Drag listeners live on the window only while a gesture is running, so a
     result graph that gets replaced (every re-render builds a new canvas)
     leaves nothing behind. */
  cv.addEventListener('mousedown', e => {
    e.preventDefault();
    const p = toWorld(e), n = hit(p);
    let moved = false;
    const drag = n ? { id: n.id, dx: n.x - p.x, dy: n.y - p.y } : null;
    const pan = n ? null : { x: e.clientX - tx, y: e.clientY - ty };
    if (pan) cv.classList.add('grabbing');
    const move = ev => {
      moved = moved || Math.abs(ev.clientX - e.clientX) + Math.abs(ev.clientY - e.clientY) > 3;
      if (drag) { const q = toWorld(ev); const t = nodes.get(drag.id);
        if (t) { t.x = q.x + drag.dx; t.y = q.y + drag.dy; } }
      else { tx = ev.clientX - pan.x; ty = ev.clientY - pan.y; }
      touched = true; redraw();
    };
    const up = () => {
      window.removeEventListener('mousemove', move);
      window.removeEventListener('mouseup', up);
      cv.classList.remove('grabbing');
      /* A click that never moved is a click, not a gesture. */
      if (n && !moved) runQuery('RECALL facts WHERE subject = "' + n.id.replace(/"/g, '') + '" LIMIT 50');
    };
    window.addEventListener('mousemove', move);
    window.addEventListener('mouseup', up);
  });
  cv.addEventListener('mousemove', e => {
    const n = hit(toWorld(e));
    const id = n ? n.id : null;
    cv.style.cursor = n ? 'pointer' : 'grab';
    if (id !== hover) { hover = id; redraw(); }
  });
  cv.addEventListener('mouseleave', () => { if (hover) { hover = null; redraw(); } });
  cv.addEventListener('wheel', e => {
    e.preventDefault();
    const r = cv.getBoundingClientRect();
    /* macOS trackpad pinch arrives as ctrl+wheel — finer steps, or it snaps. */
    const f = e.ctrlKey ? Math.exp(-e.deltaY * 0.01) : (e.deltaY < 0 ? 1.12 : 0.89);
    zoomAt(e.clientX - r.left, e.clientY - r.top, f);
  }, { passive: false });
  cv.addEventListener('dblclick', () => { touched = false; fit(); redraw(); });
  if (ctrls) {
    ctrls.zin.onclick = () => zoomAt(W / 2, H / 2, 1.2);
    ctrls.zout.onclick = () => zoomAt(W / 2, H / 2, 1 / 1.2);
    ctrls.fit.onclick = () => { touched = false; fit(); redraw(); };
  }
  /* Re-fit on resize only while the view is untouched: once someone has zoomed
     somewhere deliberately, yanking them back to the whole graph is worse. */
  const ro = new ResizeObserver(() => {
    if (!cv.isConnected) { ro.disconnect(); return; }
    if (!cv.clientWidth) return;
    resize(); if (!touched) fit(); redraw();
  });
  ro.observe(cv);

  resize(); fit(); draw();
}

/* ── menus: saved queries, templates, history, formats ── */
function openMenu(id, build) {
  const m = $(id);
  const wasOpen = !m.hidden;
  for (const x of document.querySelectorAll('.menu')) x.hidden = true;
  if (wasOpen) return;
  m.textContent = '';
  build(m);
  m.hidden = false;
}
document.addEventListener('click', e => {
  if (!e.target.closest('.menuwrap')) for (const x of document.querySelectorAll('.menu')) x.hidden = true;
});
function mi(parent, label, sub, fn) {
  const d = el('div', 'mi');
  d.appendChild(document.createTextNode(label));
  if (sub) d.appendChild(el('small', null, sub));
  d.onclick = fn;
  parent.appendChild(d);
  return d;
}
const FORMATS = ['sml', 'toon', 'markdown', 'json', 'yaml', 'csv', 'table', 'triples'];
function setFormat(spec) {
  let t = $('qtext').value.trim().replace(/\s+FORMAT\s+(\[[^\]]*\]|preset\s+"[^"]*"|template\s+"[^"]*"|\w+)\s*$/i, '');
  $('qtext').value = t + ' FORMAT ' + spec;
  runQuery();
}
function buildFormatMenu(m) {
  m.appendChild(el('div', 'sep', 'RENDER AS'));
  for (const f of FORMATS) mi(m, f, null, () => setFormat(f));
  m.appendChild(el('div', 'sep', 'SEVERAL AT ONCE'));
  mi(m, 'json + markdown', 'FORMAT [json AS data, markdown AS readable]',
    () => setFormat('[json AS data, markdown AS readable]'));
  mi(m, 'sml + markdown', 'FORMAT [sml AS compact, markdown AS readable]',
    () => setFormat('[sml AS compact, markdown AS readable]'));
}
function buildHistoryMenu(m) {
  const h = histLoad();
  if (!h.length) { m.appendChild(el('div', 'sep', 'NOTHING YET')); return; }
  m.appendChild(el('div', 'sep', 'THIS BROWSER ONLY · ' + h.length));
  for (const it of h.slice(0, 40)) {
    mi(m, (it.s || 'ran') + ' · ' + relTime(it.at), it.q, () => runQuery(it.q));
  }
  const c = mi(m, 'Clear history', null, () => {
    localStorage.removeItem(histKey()); toast('History cleared'); openMenu('histMenu', buildHistoryMenu);
  });
  c.style.color = 'var(--danger)';
}
/* DESCRIBE returns a free-form `info` blob; find the list wherever it is. */
function pickList(info) {
  if (Array.isArray(info)) return info;
  if (info && typeof info === 'object') {
    for (const k of ['queries', 'templates', 'items', 'names', 'list']) if (Array.isArray(info[k])) return info[k];
    for (const v of Object.values(info)) if (Array.isArray(v)) return v;
  }
  return [];
}
const itemName = it => typeof it === 'string' ? it : (it.name || it.id || JSON.stringify(it).slice(0, 40));
const itemDesc = it => typeof it === 'string' ? '' : (it.description || it.desc || '');
async function buildSavedMenu(m) {
  if (!stmtSupported('DEFINE')) {
    const n = el('div', 'mi', 'This build cannot save queries or templates — the memory file '
      + 'has no registry for them yet. DESCRIBE QUERIES still lists any that exist.');
    n.style.cssText = 'color:var(--warn);white-space:normal;cursor:default';
    m.appendChild(n);
  }
  m.appendChild(el('div', 'sep', 'SAVED QUERIES'));
  const loading = el('div', 'mi', 'loading…'); m.appendChild(loading);
  const [qs, ts] = await Promise.all([cal('DESCRIBE QUERIES'), cal('DESCRIBE TEMPLATES')]);
  loading.remove();
  const qlist = qs.ok ? pickList((qs.result || {}).info) : [];
  if (!qlist.length) m.appendChild(el('div', 'mi', qs.ok ? 'none saved yet' : 'could not list'));
  for (const it of qlist) {
    const n = itemName(it);
    mi(m, n, itemDesc(it) || 'RUN "' + n + '"', () => runQuery('RUN "' + n + '"'));
  }
  m.appendChild(el('div', 'sep', 'TEMPLATES'));
  const tlist = ts.ok ? pickList((ts.result || {}).info) : [];
  if (!tlist.length) m.appendChild(el('div', 'mi', ts.ok ? 'none defined yet' : 'could not list'));
  for (const it of tlist) {
    const n = itemName(it);
    mi(m, n, 'FORMAT preset "' + n + '"', () => setFormat('preset "' + n + '"'));
  }
}
async function saveCurrentQuery() {
  const body = $('qtext').value.trim();
  if (!body) { toast('Nothing to save'); return; }
  if (!stmtSupported('DEFINE')) {
    toast('This build cannot save queries — DEFINE is not in the engine’s supported statements');
    return;
  }
  if (!canWrite()) { toast('Saving needs a console started with --token-env'); return; }
  const name = window.prompt('Name this query (letters, numbers, spaces, _ and -):');
  if (!name) return;
  if (!QUERY_NAME_RE.test(name)) { toast('That name will not be accepted — start with a letter, max 64 chars'); return; }
  const desc = window.prompt('Describe it (optional):') || '';
  const stmt = 'DEFINE QUERY "' + name + '"'
    + (desc ? ' DESCRIPTION "' + desc.replace(/"/g, "'") + '"' : '')
    + ' AS { ' + body + ' }';
  const res = await cal(stmt);
  if (res.ok) toast('Saved — it lives in the memory file, not this browser');
  else toast('Could not save: ' + (res.error || 'unknown') + (res.code ? ' [' + res.code + ']' : ''));
}

boot();
</script>