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<!doctype html>
<html lang="en">
<head>
<script>try{document.documentElement.dataset.theme=localStorage.getItem("ut-theme")||"light"}catch(e){document.documentElement.dataset.theme="light"}</script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>KERNEL·A — the agentic notebook, in a single file</title>
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.ct.type,.ct.ai{width:auto; padding:0 8px; font-family:var(--mono); font-size:10.5px; font-weight:600; letter-spacing:.04em; text-transform:uppercase}
.ct.ai:hover{background:var(--accent); color:var(--on-accent)}
/* ---------- add-cell ---------- */
.add-row{max-width:900px; margin:14px auto 0; display:flex; gap:8px; justify-content:center; opacity:.6; transition:.15s}
.add-row:hover{opacity:1}
.add-btn{font-family:var(--sans); font-size:12.5px; color:var(--ink-2); display:inline-flex; align-items:center; gap:6px;
padding:7px 16px; border:1px dashed var(--line-2); border-radius:3px; background:transparent; cursor:pointer; transition:.13s}
.add-btn:hover{border-color:var(--accent); color:var(--accent); background:var(--accent-ghost)}
.add-btn svg{width:13px;height:13px}
/* ---------- footer ---------- */
.foot{position:sticky; bottom:0; z-index:30; display:flex; align-items:center; gap:16px;
padding:7px 22px; font-family:var(--mono); font-size:11px; color:var(--ink-3);
background:color-mix(in srgb,var(--paper) 88%,white); border-top:1px solid var(--line-2); backdrop-filter:blur(8px)}
.foot .sp{flex:1}
.foot b{color:var(--ink-2); font-weight:600}
.foot .lnk{color:var(--ink-2); cursor:pointer; border-bottom:1px dotted var(--ink-4)}
.foot .lnk:hover{color:var(--accent); border-color:var(--accent)}
.data-chips{display:flex; gap:5px; flex-wrap:wrap}
.data-chip{font-size:10.5px; color:var(--ink-2); background:var(--surface); border:1px solid var(--line-2); border-radius:2px; padding:1px 7px}
/* ---------- toast ---------- */
.toast-host{position:fixed; bottom:46px; left:50%; transform:translateX(-50%); z-index:80; display:flex; flex-direction:column; gap:8px; align-items:center}
.toast{font-family:var(--sans); font-size:13px; color:#fff; background:#1B1E26; padding:9px 16px; border-radius:3px;
box-shadow:0 8px 30px rgba(0,0,0,.22); opacity:0; transform:translateY(8px); transition:.22s ease; max-width:80vw}
.toast.show{opacity:1; transform:none}
.toast.err{background:var(--err)} .toast.ok{background:var(--ok)}
.toast code{font-family:var(--mono); font-size:12px; background:rgba(255,255,255,.16); padding:.05em .35em; border-radius:4px}
/* ---------- modal ---------- */
.scrim{position:fixed; inset:0; z-index:90; background:rgba(20,22,30,.34); backdrop-filter:blur(3px); display:none; align-items:center; justify-content:center; padding:24px}
.scrim.show{display:flex}
.modal{background:var(--surface); border:1px solid var(--line-2); border-radius:4px; box-shadow:0 24px 70px rgba(0,0,0,.28); max-width:540px; width:100%; max-height:84vh; overflow:auto}
.modal-h{display:flex; align-items:center; justify-content:space-between; padding:18px 22px 14px; border-bottom:1px solid var(--line)}
.modal-h h2{font-family:var(--disp); font-size:16px; font-weight:700; letter-spacing:.04em; margin:0}
.modal-x{border:0; background:transparent; cursor:pointer; color:var(--ink-3); font-size:20px; line-height:1; padding:2px 6px; border-radius:3px}
.modal-x:hover{background:var(--surface-3); color:var(--ink)}
.modal-b{padding:16px 22px 22px}
.kbd-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px 26px}
.kbd-grid h3{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-3); margin:0 0 8px}
.kbd-row{display:flex; justify-content:space-between; align-items:baseline; gap:12px; padding:3px 0; font-size:13px; color:var(--ink-2)}
kbd{font-family:var(--mono); font-size:11px; background:var(--surface-2); border:1px solid var(--line-2); border-bottom-width:2px; border-radius:2px; padding:2px 6px; color:var(--ink); white-space:nowrap}
@media(max-width:560px){.kbd-grid{grid-template-columns:1fr}}
::-webkit-scrollbar{width:11px; height:11px}
::-webkit-scrollbar-thumb{background:var(--line-2); border-radius:3px; border:3px solid transparent; background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--ink-4); background-clip:padding-box; border:3px solid transparent}
/* ===== v2 additions ===== */
.nb-pill{display:inline-flex; align-items:center; gap:6px; font-family:var(--sans); font-size:12.5px; font-weight:600; color:var(--ink-2); background:var(--surface); border:1px solid var(--line-2); border-radius:3px; padding:4px 8px; cursor:pointer; margin-left:8px; max-width:230px}
.nb-pill:hover{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 32%,var(--line-2)); background:var(--accent-ghost)}
.nb-pill svg{width:13px; height:13px; flex:0 0 auto}
.nb-pill .chev{width:11px; height:11px; opacity:.7}
.nb-pill #nbTitleText{overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.drawer{position:fixed; top:0; right:0; height:100vh; width:312px; max-width:86vw; background:var(--surface); border-left:1px solid var(--line); box-shadow:-18px 0 40px -28px rgba(20,22,30,.4); transform:translateX(106%); transition:transform .26s cubic-bezier(.4,0,.2,1); z-index:70; display:flex; flex-direction:column}
.drawer.open{transform:none}
.drawer-h{display:flex; align-items:center; justify-content:space-between; padding:16px 18px 12px; border-bottom:1px solid var(--line)}
.drawer-h h2{font-family:var(--disp); font-size:15px; font-weight:700; color:var(--ink); margin:0; letter-spacing:.01em}
.drawer-x{font-size:20px; line-height:1; color:var(--ink-3); background:none; border:0; cursor:pointer; padding:0 4px}
.drawer-x:hover{color:var(--ink)}
.drawer-b{flex:1; overflow:auto; padding:8px 0}
.drawer-f{padding:9px 18px; border-top:1px solid var(--line); display:flex; justify-content:space-between; font-family:var(--mono); font-size:10.5px; color:var(--ink-3)}
.var-row{display:flex; align-items:baseline; gap:9px; padding:6px 18px; cursor:pointer; border-left:2px solid transparent}
.var-row:hover{background:var(--surface-2); border-left-color:var(--accent)}
.var-name{font-family:var(--mono); font-size:12.5px; color:var(--ink); font-weight:600}
.var-type{font-family:var(--mono); font-size:10.5px; color:var(--accent-2); background:var(--surface-3); border-radius:4px; padding:1px 5px}
.var-info{font-family:var(--mono); font-size:11px; color:var(--ink-3); margin-left:auto; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:128px; text-align:right}
.var-empty{padding:22px 18px; font-family:var(--sans); font-size:13px; color:var(--ink-3); font-style:italic}
.findbar{position:fixed; top:62px; right:26px; z-index:80; display:none; align-items:center; gap:6px; background:var(--surface); border:1px solid var(--line-2); border-radius:4px; padding:7px 8px; box-shadow:0 14px 36px -22px rgba(20,22,30,.5)}
.findbar.open{display:flex}
.findbar input{font-family:var(--mono); font-size:12px; color:var(--ink); background:var(--surface-2); border:1px solid var(--line-2); border-radius:3px; padding:5px 8px; width:150px; outline:none}
.findbar input:focus{border-color:color-mix(in srgb,var(--accent) 40%,var(--line-2)); background:var(--surface)}
.fb-case{font-family:var(--mono); font-size:11px; font-weight:700; color:var(--ink-3); background:var(--surface-2); border:1px solid var(--line-2); border-radius:3px; padding:4px 7px; cursor:pointer}
.fb-case.on{color:var(--on-accent); background:var(--accent); border-color:var(--accent)}
.fb-count{font-family:var(--mono); font-size:11px; color:var(--ink-3); min-width:36px; text-align:center}
.fb-btn{font-family:var(--mono); font-size:11.5px; color:var(--ink-2); background:var(--surface-2); border:1px solid var(--line-2); border-radius:3px; padding:4px 8px; cursor:pointer}
.fb-btn:hover{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 32%,var(--line-2))}
.fb-x{font-size:17px; line-height:1; color:var(--ink-3); background:none; border:0; cursor:pointer; padding:0 4px}
.fb-x:hover{color:var(--ink)}
.modal.lib{max-width:460px}
.lib-list{display:flex; flex-direction:column; gap:2px; max-height:48vh; overflow:auto; margin:-4px 0 12px}
.lib-row{display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:3px; cursor:pointer; border:1px solid transparent}
.lib-row:hover{background:var(--surface-2)}
.lib-row.current{border-color:color-mix(in srgb,var(--accent) 32%,var(--line)); background:var(--accent-ghost)}
.lib-dot{width:7px; height:7px; border-radius:50%; background:var(--line-2); flex:0 0 auto}
.lib-row.current .lib-dot{background:var(--accent)}
.lib-meta{display:flex; flex-direction:column; gap:1px; min-width:0; flex:1}
.lib-name{font-family:var(--sans); font-size:14px; font-weight:600; color:var(--ink); overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.lib-sub{font-family:var(--mono); font-size:10.5px; color:var(--ink-3)}
.lib-acts{display:flex; gap:4px; opacity:0; transition:opacity .12s}
.lib-row:hover .lib-acts,.lib-row.current .lib-acts{opacity:1}
.lib-act{font-family:var(--mono); font-size:10.5px; color:var(--ink-3); background:var(--surface); border:1px solid var(--line-2); border-radius:2px; padding:2px 6px; cursor:pointer}
.lib-act:hover{color:var(--accent); border-color:var(--accent)}
.lib-act.danger:hover{color:var(--err); border-color:var(--err-line)}
.lib-new{font-family:var(--sans); font-size:13px; font-weight:600; color:var(--accent); background:var(--accent-ghost); border:1px dashed color-mix(in srgb,var(--accent) 34%,var(--line-2)); border-radius:3px; padding:10px; width:100%; cursor:pointer}
.lib-new:hover{background:var(--accent); color:var(--on-accent); border-style:solid; border-color:var(--accent)}
.cmp-pop{position:absolute; z-index:95; display:none; min-width:200px; max-width:340px; max-height:236px; overflow:auto; background:var(--surface); border:1px solid var(--line-2); border-radius:3px; box-shadow:0 16px 40px -20px rgba(20,22,30,.55); padding:4px}
.cmp-pop.open{display:block}
.cmp-item{display:flex; align-items:center; gap:8px; padding:5px 9px; border-radius:3px; cursor:pointer; font-family:var(--mono); font-size:12.5px; color:var(--ink)}
.cmp-item.sel{background:var(--accent); color:var(--on-accent)}
.cmp-item .cmp-k{font-size:9.5px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:var(--ink-3); min-width:30px}
.cmp-item.sel .cmp-k{color:var(--on-accent); opacity:.78}
.cmp-item .cmp-n{overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.cell.collapsed .editor,.cell.collapsed .md-rendered,.cell.collapsed .outputs{display:none !important}
.cell .collapsed-peek{display:none; font-family:var(--mono); font-size:12px; color:var(--ink-3); padding:11px 18px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; cursor:pointer}
.cell .collapsed-peek:hover{color:var(--accent)}
.cell.collapsed .collapsed-peek{display:block}
.ct.col-on{color:var(--accent)}
.btn.active{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 36%,var(--line-2)); background:var(--accent-ghost)}
/* ===== v6 QoL ===== */
.progress{position:fixed; top:0; left:0; right:0; height:2px; z-index:200; opacity:0; transition:opacity .25s; pointer-events:none; overflow:hidden}
.progress.active{opacity:1}
.progress::before{content:""; position:absolute; top:0; height:100%; width:32%; border-radius:2px; background:linear-gradient(90deg,transparent,var(--accent),transparent); animation:progslide 1.1s ease-in-out infinite}
@keyframes progslide{0%{left:-32%}100%{left:100%}}
.menu-wrap{position:relative; display:inline-flex}
.btn-more{font-weight:700; letter-spacing:.04em}
.menu{position:absolute; top:calc(100% + 6px); right:0; z-index:90; min-width:200px; background:var(--surface); border:1px solid var(--line-2); border-radius:4px; box-shadow:0 16px 40px -22px rgba(20,22,30,.5); padding:5px; display:none}
.menu.open{display:block}
.menu-item{display:block; width:100%; text-align:left; font-family:var(--sans); font-size:12.5px; color:var(--ink-2); background:none; border:0; border-radius:3px; padding:7px 9px; cursor:pointer}
.menu-item:hover{background:var(--surface-2); color:var(--ink)}
.menu-sep{height:1px; background:var(--line); margin:4px 6px}
.save-state{font-family:var(--mono); font-size:10.5px; color:var(--ink-3)}
.save-state[data-s="saving"]{color:var(--ink-4)}
.gutter .exec-time{display:block; font-family:var(--mono); font-size:9.5px; color:var(--ink-4); margin-top:3px; letter-spacing:.02em}
.drawer-search{padding:8px 14px 4px}
.drawer-search input{width:100%; box-sizing:border-box; font-family:var(--mono); font-size:12px; color:var(--ink); background:var(--surface-2); border:1px solid var(--line-2); border-radius:3px; padding:6px 9px; outline:none}
.drawer-search input:focus{border-color:color-mix(in srgb,var(--accent) 40%,var(--line-2)); background:var(--surface)}
.var-row{position:relative}
.var-size{font-family:var(--mono); font-size:9.5px; color:var(--ink-4); margin-left:6px; flex:0 0 auto}
.var-del{position:absolute; right:8px; top:50%; transform:translateY(-50%); font-size:14px; line-height:1; color:var(--ink-4); background:var(--surface-2); border:0; border-radius:4px; padding:0 5px; cursor:pointer; opacity:0; transition:opacity .12s}
.var-row:hover .var-del{opacity:1}
.var-del:hover{color:var(--err)}
.modal.data{max-width:520px}
.data-list{display:flex; flex-direction:column; gap:2px; max-height:50vh; overflow:auto; margin:-4px 0 10px}
.data-row{border:1px solid transparent; border-radius:3px; padding:9px 11px}
.data-row:hover{background:var(--surface-2)}
.data-top{display:flex; align-items:center; gap:10px}
.data-meta{display:flex; flex-direction:column; gap:1px; min-width:0; flex:1}
.data-name{font-family:var(--mono); font-size:13px; font-weight:600; color:var(--ink); overflow:hidden; text-overflow:ellipsis; white-space:nowrap}
.data-sub{font-family:var(--mono); font-size:10.5px; color:var(--ink-3)}
.data-acts{display:flex; gap:4px; flex:0 0 auto}
.data-act{font-family:var(--mono); font-size:10.5px; color:var(--ink-3); background:var(--surface); border:1px solid var(--line-2); border-radius:2px; padding:3px 7px; cursor:pointer}
.data-act:hover{color:var(--accent); border-color:var(--accent)}
.data-act.danger:hover{color:var(--err); border-color:var(--err-line)}
.data-preview{margin-top:8px; font-family:var(--mono); font-size:11px; color:var(--ink-2); background:var(--surface-3); border-radius:3px; padding:8px 10px; max-height:160px; overflow:auto; white-space:pre; display:none}
.data-preview.open{display:block}
.data-empty{padding:22px 6px; font-family:var(--sans); font-size:13px; color:var(--ink-3); font-style:italic; text-align:center}
.data-hint{font-family:var(--sans); font-size:11.5px; color:var(--ink-3); margin:12px 2px 0; line-height:1.5}
.data-hint code{font-family:var(--mono); font-size:11px; background:var(--surface-3); padding:1px 4px; border-radius:4px}
/* ===== v7 composable panels ===== */
.workspace{flex:1 1 auto; display:flex; align-items:stretch; min-height:0; overflow:hidden}
.panel{position:relative; flex:0 0 auto; background:var(--surface); display:none; min-height:0}
.panel.open{display:flex; flex-direction:column}
.panel-left{border-right:1px solid var(--line-2)}
.panel-right{border-left:1px solid var(--line-2)}
.panel-inner{flex:1 1 auto; overflow-y:auto; min-height:0; display:flex; flex-direction:column}
.panel-section{border-bottom:1px solid var(--line); display:flex; flex-direction:column; flex:0 0 auto}
.panel-section:last-child{border-bottom:0}
.panel-h{display:flex; align-items:center; gap:6px; padding:11px 12px 9px; flex:0 0 auto}
.panel-toggle{display:flex; align-items:center; gap:7px; flex:1; min-width:0; background:none; border:0; cursor:pointer; padding:0; font-family:var(--disp); font-size:11px; font-weight:700; letter-spacing:.09em; text-transform:uppercase; color:var(--ink-2)}
.panel-toggle:hover{color:var(--ink)}
.panel-toggle .caret{width:11px; height:11px; flex:0 0 auto; transition:transform .16s ease; color:var(--ink-3)}
.panel-section.collapsed .panel-toggle .caret{transform:rotate(-90deg)}
.panel-add{font-size:14px; line-height:1; color:var(--ink-3); background:var(--surface); border:1px solid var(--line-2); border-radius:3px; width:22px; height:22px; flex:0 0 auto; cursor:pointer; display:flex; align-items:center; justify-content:center}
.panel-add:hover{color:var(--accent); border-color:var(--accent)}
.panel-count{font-family:var(--mono); font-size:10px; color:var(--ink-3); flex:0 0 auto}
.panel-search{padding:0 12px 9px}
.panel-search input{width:100%; box-sizing:border-box; font-family:var(--mono); font-size:12px; color:var(--ink); background:var(--surface-2); border:1px solid var(--line-2); border-radius:3px; padding:6px 9px; outline:none}
.panel-search input:focus{border-color:color-mix(in srgb,var(--accent) 40%,var(--line-2)); background:var(--surface)}
.panel-b{padding:0 8px 12px; overflow-y:auto}
.panel-section.collapsed .panel-b,.panel-section.collapsed .panel-search{display:none}
.panel-grip{position:absolute; top:0; bottom:0; width:8px; cursor:col-resize; z-index:6}
.panel-left .panel-grip{right:-4px}
.panel-right .panel-grip{left:-4px}
.panel-grip:hover{background:var(--accent-ghost)}
body.resizing{cursor:col-resize; user-select:none}
.nb-pill.active,.btn.active{color:var(--accent); border-color:color-mix(in srgb,var(--accent) 38%,var(--line-2)); background:var(--accent-ghost)}
.panel-hint{font-family:var(--sans); font-size:11px; color:var(--ink-3); line-height:1.5; padding:2px 6px 4px}
/* ===== v7 Phase 2: split outputs ===== */
.out-card{border:1px solid var(--line); border-radius:3px; background:var(--surface); margin:0 0 8px; overflow:hidden; transition:box-shadow .12s, border-color .12s}
.out-card-h{display:flex; align-items:center; gap:8px; padding:6px 9px; border-bottom:1px solid var(--line); cursor:pointer; background:var(--surface-2)}
.out-card-h:hover{background:var(--surface-3)}
.out-card-ex{font-family:var(--mono); font-size:10.5px; color:var(--ink-4); flex:0 0 auto}
.out-card-lbl{font-family:var(--mono); font-size:11px; color:var(--ink-2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; flex:1; min-width:0}
.out-card .outputs{padding:8px 9px; margin:0}
.out-card.linked{border-color:color-mix(in srgb,var(--accent) 45%,var(--line)); box-shadow:inset 3px 0 0 var(--accent)}
.cell.linked::before{background:var(--accent)}
.cell.linked{border-color:color-mix(in srgb,var(--accent) 26%,var(--line))}
.out-empty{padding:20px 8px; font-family:var(--sans); font-size:12.5px; color:var(--ink-3); font-style:italic; text-align:center; line-height:1.5}
.outputs-hint{padding:4px 6px 8px}
.outputs-hint p{font-family:var(--sans); font-size:11.5px; color:var(--ink-3); line-height:1.5; margin:0 0 8px}
.outputs-hint button{font-family:var(--sans); font-size:12px; color:var(--accent); background:var(--accent-ghost); border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line-2)); border-radius:3px; padding:6px 11px; cursor:pointer}
.outputs-hint button:hover{background:var(--accent); color:#fff; border-color:var(--accent)}
/* ===== v7 Phase 3: mini-cards + variable detail ===== */
.lib-map{display:flex; gap:2px; margin-top:7px; align-items:flex-end; overflow:hidden; height:12px}
.lib-tick{width:4px; flex:0 0 auto; border-radius:1px; background:var(--ink-4)}
.lib-tick.code{height:12px; background:color-mix(in srgb,var(--accent) 50%,var(--ink-4))}
.lib-tick.md{height:7px; background:var(--ink-4)}
.lib-row.current .lib-tick.code{background:var(--accent)}
.lib-more{font-family:var(--mono); font-size:9px; color:var(--ink-4); align-self:center; margin-left:3px; flex:0 0 auto}
.var-item{border-radius:3px}
.var-item.open{background:var(--surface-2)}
.var-detail{display:none; padding:2px 10px 10px 22px}
.var-item.open .var-detail{display:block}
.var-ins{position:absolute; right:30px; top:50%; transform:translateY(-50%); font-size:12px; line-height:1; color:var(--ink-4); background:var(--surface-2); border:0; border-radius:4px; padding:1px 5px; cursor:pointer; opacity:0; transition:opacity .12s}
.var-row:hover .var-ins{opacity:1}
.var-ins:hover{color:var(--accent)}
.vd-shape{font-family:var(--mono); font-size:10.5px; color:var(--ink-3); margin:4px 0 7px}
.vd-dtypes{display:flex; flex-direction:column; gap:1px; margin-bottom:8px}
.vd-dtype{display:flex; justify-content:space-between; gap:10px; font-family:var(--mono); font-size:11px; color:var(--ink-2)}
.vd-dtype .vd-dt{color:var(--ink-3)}
.vd-more{font-family:var(--mono); font-size:9.5px; color:var(--ink-4); margin-top:3px}
.vd-table{border-collapse:collapse; width:100%; font-family:var(--mono); font-size:10.5px; display:block; overflow-x:auto}
.vd-table th,.vd-table td{border:1px solid var(--line); padding:2px 6px; text-align:left; white-space:nowrap; color:var(--ink-2)}
.vd-table th{background:var(--surface-3); color:var(--ink-3); font-weight:600}
.statlist{display:flex; flex-direction:column; gap:2px}
.stat{display:flex; justify-content:space-between; gap:10px; font-family:var(--mono); font-size:11px}
.stat .sk{color:var(--ink-3)} .stat .sv{color:var(--ink); text-align:right}
.vd-chips{display:flex; flex-wrap:wrap; gap:4px; margin-top:7px}
.vd-chip{font-family:var(--mono); font-size:10px; color:var(--ink-2); background:var(--surface-3); border-radius:4px; padding:2px 6px}
.vd-repr{font-family:var(--mono); font-size:11px; color:var(--ink-2); background:var(--surface-3); border-radius:3px; padding:8px 10px; margin:2px 0 0; white-space:pre-wrap; word-break:break-word; max-height:200px; overflow:auto}
.var-loading{font-family:var(--mono); font-size:10.5px; color:var(--ink-4); padding:4px 0}
</style>
<style id="v7-polish">
/* ── v7 polish · the left panel adapts to its width ── */
.panel-left{container-type:inline-size}
.lib-sub,.data-sub{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@container (max-width:330px){
.panel-left .lib-row{flex-wrap:wrap}
.panel-left .lib-meta{flex:1 1 calc(100% - 17px)}
.panel-left .lib-acts{flex:0 0 100%;margin-left:17px;margin-top:7px;opacity:1}
.panel-left .data-top{flex-wrap:wrap}
.panel-left .data-meta{flex:1 1 100%}
.panel-left .data-acts{flex:0 0 100%;margin-top:7px}
}
@container (max-width:215px){
.panel-left .lib-map{display:none}
}
/* ── v7 polish · in-app prompt dialog ── */
.prompt-input{width:100%;box-sizing:border-box;font-family:var(--mono);font-size:13px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line-2);border-radius:3px;padding:9px 11px;outline:none;caret-color:var(--accent)}
.prompt-input:focus{border-color:color-mix(in srgb,var(--accent) 45%,var(--line-2))}
.prompt-acts{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
/* ===== KERNEL·A agent panel ===== */
.brand-a{color:var(--accent);font-weight:800;letter-spacing:0}
.panel-agent{border-right:1px solid var(--line-2)}
.panel-agent .panel-grip{right:-4px}
.ag-inner{display:flex;flex-direction:column;min-height:0;height:100%;flex:1 1 auto}
.ag-head{border-bottom:1px solid var(--line);gap:8px}
.ag-word{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.22em;color:var(--ink-2)}
.ag-body{display:flex;flex-direction:column;min-height:0;flex:1 1 auto;padding:10px 10px 12px}
.ag-working{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:var(--ink-3)}
.ag-working .dotp{width:9px;height:9px;border:1.5px solid var(--line-2);border-top-color:var(--accent);border-radius:50%;animation:agspin .8s linear infinite}
@keyframes agspin{to{transform:rotate(360deg)}}
.ag-a.live::after{content:"▍";color:var(--accent)}
.ag-state{font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.12em;color:var(--ink-3);
border:1px solid var(--line-2);border-radius:3px;padding:3px 6px;margin-left:auto}
.ag-state.armed{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,var(--line-2))}
.ag-state.run{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line-2))}
.ag-tx{flex:1 1 auto;min-height:160px;overflow-y:auto;border:1px solid var(--line);border-radius:3px;
background:var(--surface-2);padding:9px 10px;display:flex;flex-direction:column;gap:7px}
.ag-u{position:relative;font-family:var(--sans);font-size:12px;line-height:1.45;color:var(--ink);border-left:2px solid var(--accent);
padding:2px 22px 2px 8px;white-space:pre-wrap;word-break:break-word}
.ag-fork{position:absolute;top:1px;right:0;font-family:var(--mono);font-size:11px;color:var(--ink-4);
background:none;border:0;cursor:pointer;padding:1px 4px;opacity:0;transition:opacity .12s}
.ag-u:hover .ag-fork{opacity:1}
.ag-fork:hover{color:var(--accent)}
.ag-a{font-family:var(--sans);font-size:12.5px;line-height:1.5;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
.ag-chips{display:flex;flex-wrap:wrap;gap:4px}
.ag-chip{font-family:var(--mono);font-size:9.5px;font-weight:500;letter-spacing:.04em;color:var(--ink-3);
border:1px solid var(--line-2);border-radius:3px;padding:3px 7px;background:var(--surface);cursor:default}
.ag-chip.run{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 40%,var(--line-2))}
.ag-chip.err{color:var(--err);border-color:var(--err-line);background:var(--err-weak)}
.ag-chip.click{cursor:pointer}
.ag-chip.click:hover{color:var(--accent);border-color:var(--accent)}
.ag-sys{font-family:var(--mono);font-size:9px;letter-spacing:.10em;color:var(--ink-4);text-transform:uppercase;text-align:center;padding:2px 0}
.ag-approve{display:flex;gap:5px;align-items:center;font-family:var(--mono);font-size:9.5px;color:var(--ink-2);
border:1px solid color-mix(in srgb,var(--accent) 45%,var(--line-2));background:color-mix(in srgb,var(--accent) 8%,var(--surface));
border-radius:3px;padding:6px 8px;flex-wrap:wrap}
.ag-approve button{font-family:var(--mono);font-size:9.5px;font-weight:600;letter-spacing:.06em;border-radius:3px;
border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);padding:4px 9px;cursor:pointer}
.ag-approve button.ok{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}
.ag-composer{margin-top:8px;flex:0 0 auto}
.ag-thumbs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}
.ag-thumbs:empty{display:none}
.ag-thumb{position:relative}
.ag-thumb img{height:44px;display:block;border:1px solid var(--line-2);border-radius:3px}
.ag-thumb button{position:absolute;top:-7px;right:-7px;width:16px;height:16px;line-height:1;font-size:10px;
font-family:var(--mono);color:var(--ink-2);background:var(--surface);border:1px solid var(--line-2);
border-radius:50%;cursor:pointer;padding:0}
.ag-thumb button:hover{color:var(--err);border-color:var(--err-line)}
.ag-img{max-width:100%;max-height:140px;align-self:flex-start;border:1px solid var(--line-2);border-radius:3px}
.ag-composer textarea{width:100%;box-sizing:border-box;font-family:var(--sans);font-size:12.5px;line-height:1.45;
color:var(--ink);background:var(--surface);border:1px solid var(--line-2);border-radius:3px;padding:8px 10px;
resize:vertical;min-height:44px;max-height:160px;outline:none}
.ag-composer textarea:focus{border-color:color-mix(in srgb,var(--accent) 40%,var(--line-2))}
.ag-row{display:flex;align-items:center;gap:6px;margin-top:6px}
.ag-mode{font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.12em;color:var(--ink-3);
border:1px solid var(--line-2);border-radius:3px;background:var(--surface);padding:5px 8px;cursor:pointer}
.ag-mode.step{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line-2))}
.ag-steps{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--ink-4)}
.ag-usage{font-family:var(--mono);font-size:9px;letter-spacing:.06em;color:var(--ink-3);flex:1;text-align:right;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ag-usage:hover{color:var(--accent)}
.ag-stop{font-family:var(--mono);font-size:9.5px;font-weight:700;letter-spacing:.10em;color:var(--err);
border:1px solid var(--err-line);border-radius:3px;background:var(--err-weak);padding:5px 10px;cursor:pointer}
.ag-send{font-family:var(--mono);font-size:9.5px;font-weight:700;letter-spacing:.10em;color:var(--on-accent);
border:1px solid var(--accent);border-radius:3px;background:var(--accent);padding:5px 12px;cursor:pointer}
.ag-send:disabled{opacity:.4;cursor:default}
.ag-send:hover:not(:disabled){background:var(--accent-2);border-color:var(--accent-2)}
</style>
<style id="dna-suite">
/* ── USEFUL TOOLS · suite DNA (light default · dark via html[data-theme="dark"] · Alt+T) ── */
:root{--dna-page:#E9E7E0;--dna-panel:#FBFAF6;--dna-ink:#1A1B18;--dna-mid:#83857B;--dna-line:rgba(26,27,24,.18);--dna-gmaj:rgba(26,27,24,.05);--dna-gmin:rgba(26,27,24,.028);--dna-accent:#4A33D6;--dna-accent-line:rgba(74,51,214,.45);--dna-sel:rgba(74,51,214,.25);--dna-thumb:#C4C3B7;--dna-thumb-h:#ABA89C}
html[data-theme="dark"]{--dna-page:#0E0F0D;--dna-panel:#1C1C15;--dna-ink:#E8E6DE;--dna-mid:#6E6F65;--dna-line:rgba(232,230,222,.17);--dna-gmaj:rgba(232,230,222,.030);--dna-gmin:rgba(232,230,222,.016);--dna-accent:#7B68FF;--dna-accent-line:rgba(123,104,255,.40);--dna-sel:rgba(123,104,255,.30);--dna-thumb:#33312C;--dna-thumb-h:#4A4B43}
html{color-scheme:light;scrollbar-color:var(--dna-thumb) var(--dna-page)}
html[data-theme="dark"]{color-scheme:dark}
#dna-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--dna-gmaj) 1px,transparent 1px),linear-gradient(90deg,var(--dna-gmaj) 1px,transparent 1px),linear-gradient(var(--dna-gmin) 1px,transparent 1px),linear-gradient(90deg,var(--dna-gmin) 1px,transparent 1px);background-size:140px 140px,140px 140px,28px 28px,28px 28px}
::selection{background:var(--dna-sel)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--dna-thumb);border:2px solid var(--dna-page)}
::-webkit-scrollbar-thumb:hover{background:var(--dna-thumb-h)}
/* ── suite dock — persistent navigation ── */
#dna-dock{position:fixed;right:14px;bottom:14px;z-index:2147483000;display:flex;align-items:stretch;font:500 10px/1 'Space Mono',ui-monospace,monospace;letter-spacing:.08em;background:var(--dna-panel);border:1px solid var(--dna-line);border-radius:2px;opacity:.85;transition:opacity 160ms cubic-bezier(.25,.6,.25,1)}
#dna-dock:hover,#dna-dock:focus-within{opacity:1}
#dna-dock>*{display:flex;align-items:center;gap:5px;padding:8px 10px;margin:0;color:var(--dna-mid);background:none;border:0;border-right:1px solid var(--dna-line);cursor:pointer;text-decoration:none;font:inherit;letter-spacing:inherit;white-space:nowrap}
#dna-dock>*:last-child{border-right:0}
#dna-dock>*:hover{color:var(--dna-accent)}
#dna-dock .dd-mark{color:var(--dna-accent)}
#dna-switch{position:fixed;right:14px;bottom:52px;z-index:2147483001;width:300px;display:none;flex-direction:column;background:var(--dna-panel);border:1px solid var(--dna-line);border-radius:2px;box-shadow:0 0 0 4px var(--dna-page);font:500 11px/1 'Space Mono',ui-monospace,monospace}
#dna-switch.open{display:flex}
#dna-switch input{font:inherit;font-size:12px;color:var(--dna-ink);background:transparent;border:0;outline:0;border-bottom:1px solid var(--dna-line);padding:10px 12px;caret-color:var(--dna-accent);letter-spacing:.04em}
#dna-switch input::placeholder{color:var(--dna-mid);opacity:.7}
#dna-switch ul{list-style:none;margin:0;padding:0;max-height:340px;overflow:auto}
#dna-switch li{display:flex;align-items:center;gap:10px;padding:9px 12px;border-top:1px solid var(--dna-line);color:var(--dna-mid);cursor:pointer}
#dna-switch li:first-child{border-top:0}
#dna-switch li .n{color:var(--dna-ink);letter-spacing:.10em;width:96px;flex:none}
#dna-switch li .f{flex:1;text-align:right;font-size:9px;opacity:.75;overflow:hidden;text-overflow:ellipsis}
#dna-switch li.sel{box-shadow:inset 2px 0 0 var(--dna-accent);background:var(--dna-sel)}
#dna-switch li.cur .n{color:var(--dna-accent)}
#dna-switch .ft{display:flex;justify-content:space-between;padding:8px 12px;border-top:1px solid var(--dna-line);color:var(--dna-mid);font-size:9px;letter-spacing:.10em}
/* per-instrument dark palette */
html[data-theme="dark"]{--on-accent:#141008;--paper:#0E0F0D;--sheet-line:rgba(232,230,222,.045);--surface:#1C1C15;--surface-2:#181815;--surface-3:#1D1D19;--ink:#E8E6DE;--ink-2:#A6A79C;--ink-3:#6E6F65;--ink-4:#4A4B43;--line:#232320;--line-2:#2E2E27;--accent:#7B68FF;--accent-2:#9686FF;--accent-weak:#1C172E;--accent-ghost:rgba(123,104,255,.08);--err:#C8796C;--err-weak:#332420;--err-line:#54302C;--busy:#5E3FD9;--ok:#8CAE8A;--t-kw:#B3A0BD;--t-str:#8CAE8A;--t-num:#6D55CC;--t-com:#6E6F65;--t-bif:#7B68FF;--t-dec:#7FB0B0;--shadow:0 1px 2px rgba(0,0,0,.45);--shadow-sel:0 0 0 1px rgba(123,104,255,.40)}
/* ===== KaTeX + Mermaid in markdown cells ===== */
.md-rendered .katex-display{overflow-x:auto; overflow-y:hidden; padding:2px 0; margin:.6em 0}
.md-rendered .katex{font-size:1.04em}
.md-rendered .mermaid{margin:14px 0; text-align:center; line-height:initial}
.md-rendered .mermaid svg{max-width:100%; height:auto}
.md-rendered .mermaid:not([data-done]){font-family:var(--mono); font-size:11px; color:var(--ink-3); white-space:pre-wrap; background:var(--surface-2); border:1px dashed var(--line-2); border-radius:8px; padding:10px 12px; text-align:left}
.md-rendered .mermaid.mermaid-err{color:var(--err); border-color:var(--err-line)}
</style>
</head>
<body>
<div id="progress" class="progress" aria-hidden="true"></div>
<header class="topbar">
<div class="brand"><span class="mark"></span><h1>KERNEL<span class="brand-a">·A</span></h1>
<button class="nb-pill" id="nbTitle" title="Notebooks (switch / rename / new)">
<svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.4"><path d="M1.8 4.2c0-.6.5-1.1 1.1-1.1h3l1.3 1.4h5c.6 0 1.1.5 1.1 1.1v6.1c0 .6-.5 1.1-1.1 1.1H2.9c-.6 0-1.1-.5-1.1-1.1z"/></svg>
<span id="nbTitleText">Untitled</span>
<svg class="chev" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg>
</button>
</div>
<div class="status" id="status" data-s="boot"><span class="dot"></span><span id="statusText">Booting…</span></div>
<div class="toolbar">
<button class="btn" id="btnNew" title="New notebook">New</button>
<button class="btn" id="btnOpen" title="Open .ipynb">Open</button>
<button class="btn" id="btnSave" title="Download .ipynb (⌘/Ctrl+S)">Save .ipynb</button>
<button class="btn" id="btnData" title="Mount data files into the kernel">+ Data</button>
<span class="tb-sep"></span>
<button class="btn primary btn-chip" id="btnRunAll" title="Run every cell">Run all</button>
<button class="btn btn-chip" id="btnRestart" title="Restart kernel (clear all variables)">Restart</button>
<button class="btn btn-chip" id="btnClear" title="Clear all outputs">Clear</button>
<span class="tb-sep"></span>
<button class="btn btn-chip" id="btnAgent" title="Toggle the agent panel (⌘J)">Agent</button>
<button class="btn btn-chip" id="btnVars" title="Toggle the variable inspector">Variables</button>
<div class="menu-wrap">
<button class="btn btn-chip btn-more" id="btnMore" title="More actions" aria-haspopup="true">⋯</button>
<div class="menu" id="moreMenu" aria-hidden="true">
<button class="menu-item" data-mi="restartRun">Restart & run all</button>
<button class="menu-item" data-mi="splitOut" id="miSplit">Move outputs to panel</button>
<button class="menu-item" data-mi="collapseAll">Collapse all cells</button>
<button class="menu-item" data-mi="expandAll">Expand all cells</button>
<div class="menu-sep"></div>
<button class="menu-item" data-mi="clearOutputs">Clear all outputs</button>
<button class="menu-item" data-mi="downloadPy">Download as .py</button>
</div>
</div>
</div>
</header>
<div class="workspace" id="workspace">
<aside class="panel panel-agent" id="agentPanel" aria-hidden="true">
<div class="panel-inner ag-inner">
<div class="panel-h ag-head">
<span class="ag-word">AGENT</span>
<span class="ag-state" id="agState">OFFLINE</span>
<button class="panel-add" id="agExport" title="Export conversation as markdown">⇩</button>
<button class="panel-add" id="agSettings" title="Agent settings (key · model · autonomy)">⋯</button>
</div>
<div class="ag-body">
<div class="ag-tx" id="agTx"></div>
<div class="ag-composer">
<div class="ag-thumbs" id="agThumbs"></div>
<textarea id="agIn" rows="2" placeholder="Describe an analysis — or paste an image to show it something… (⌘J)"></textarea>
<div class="ag-row">
<button class="ag-mode" id="agMode" title="Autonomy — AUTO runs freely, STEP asks before each run">AUTO</button>
<button class="ag-mode" id="agModelChip" title="Click to switch model (Sonnet ↔ Opus; set custom ids in settings)">sonnet</button>
<span class="ag-steps" id="agSteps"></span>
<span class="ag-usage" id="agUsage" title="session tokens · estimated cost (click to reset)"></span>
<button class="ag-stop" id="agStop" style="display:none">STOP</button>
<button class="ag-send" id="agSend">SEND</button>
</div>
</div>
</div>
</div>
<div class="panel-grip" data-side="agent" title="Drag to resize"></div>
</aside>
<aside class="panel panel-left" id="leftPanel" aria-hidden="true">
<div class="panel-inner">
<section class="panel-section" id="secNotebooks">
<div class="panel-h">
<button class="panel-toggle" data-sec="nb"><svg class="caret" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg><span>Notebooks</span></button>
<button class="panel-add" id="libNew" title="New notebook">+</button>
</div>
<div class="panel-b" id="libList"></div>
</section>
<section class="panel-section" id="secData">
<div class="panel-h">
<button class="panel-toggle" data-sec="data"><svg class="caret" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg><span>Data</span></button>
<button class="panel-add" id="dataUpload" title="Upload files">+</button>
</div>
<div class="panel-b" id="dataList"></div>
</section>
</div>
<div class="panel-grip" data-side="left" title="Drag to resize"></div>
</aside>
<main class="sheet">
<div class="notebook" id="notebook"></div>
<div class="add-row">
<button class="add-btn" data-add="code"><svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6"><path d="M8 3v10M3 8h10"/></svg>Code cell</button>
<button class="add-btn" data-add="markdown"><svg viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6"><path d="M8 3v10M3 8h10"/></svg>Markdown cell</button>
</div>
</main>
<aside class="panel panel-right" id="rightPanel" aria-hidden="true">
<div class="panel-grip" data-side="right" title="Drag to resize"></div>
<div class="panel-inner">
<section class="panel-section" id="secOutputs">
<div class="panel-h">
<button class="panel-toggle" data-sec="out"><svg class="caret" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg><span>Outputs</span></button>
<span class="panel-count" id="outCount"></span>
</div>
<div class="panel-b" id="outBody">
<div class="outputs-hint" id="outHint"><p>Push cell outputs into this panel, synced to each cell.</p><button id="outEnable">Move outputs here</button></div>
<div id="outList"></div>
</div>
</section>
<section class="panel-section" id="secVars">
<div class="panel-h">
<button class="panel-toggle" data-sec="vars"><svg class="caret" viewBox="0 0 16 16" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"><path d="M4 6l4 4 4-4"/></svg><span>Variables</span></button>
<span class="panel-count" id="varsCount">0 names</span>
</div>
<div class="panel-search"><input id="varsFilter" placeholder="Filter variables" autocomplete="off" spellcheck="false"></div>
<div class="panel-b" id="varsList"></div>
</section>
</div>
</aside>
</div>
<footer class="foot">
<span><b id="cellCount">0</b> cells</span>
<span class="data-chips" id="dataChips"></span>
<span class="sp"></span>
<span id="saveState" class="save-state"></span>
<span id="kernelInfo">Pyodide · loading</span>
<span class="lnk" id="btnHelp">⌘ shortcuts</span>
</footer>
<div class="toast-host" id="toastHost"></div>
<div class="findbar" id="findbar" aria-hidden="true">
<input id="findInput" placeholder="Find across cells" autocomplete="off" spellcheck="false">
<input id="replaceInput" placeholder="Replace" autocomplete="off" spellcheck="false">
<button class="fb-case" id="findCase" title="Match case">Aa</button>
<span class="fb-count" id="findCount">0/0</span>
<button class="fb-btn" id="findPrev" title="Previous (⇧⏎)">↑</button>
<button class="fb-btn" id="findNext" title="Next (⏎)">↓</button>
<button class="fb-btn" id="findRepl" title="Replace current">Repl</button>
<button class="fb-btn" id="findAll" title="Replace all">All</button>
<button class="fb-x" id="findX" title="Close (Esc)">×</button>
</div>
<div class="cmp-pop" id="cmpPop" aria-hidden="true"></div>
<div class="scrim" id="promptScrim">
<div class="modal" style="max-width:380px" role="dialog" aria-modal="true">
<div class="modal-h"><h2 id="promptTitle">Rename</h2><button class="modal-x" id="promptX">×</button></div>
<div class="modal-b">
<input id="promptInput" class="prompt-input" type="text" autocomplete="off" spellcheck="false">
<div class="prompt-acts"><button class="btn" id="promptCancel">Cancel</button><button class="btn primary" id="promptOk">Rename</button></div>
</div>
</div>
</div>
<div class="scrim" id="agScrim">
<div class="modal" style="max-width:420px" role="dialog" aria-modal="true">
<div class="modal-h"><h2>Agent settings</h2><button class="modal-x" id="agX">×</button></div>
<div class="modal-b">
<label class="ag-lbl" for="agKey" style="display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.10em;color:var(--ink-3);margin:4px 0 6px">ANTHROPIC API KEY</label>
<input id="agKey" class="prompt-input" type="password" autocomplete="off" spellcheck="false" placeholder="sk-ant-…">
<label class="ag-lbl" for="agModel" style="display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.10em;color:var(--ink-3);margin:12px 0 6px">MODEL ID</label>
<input id="agModel" class="prompt-input" type="text" autocomplete="off" spellcheck="false" placeholder="claude-sonnet-4-6">
<label class="ag-lbl" style="display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.10em;color:var(--ink-3);margin:12px 0 6px">AUTONOMY · MAX TOOL STEPS / TURN</label>
<div style="display:flex;gap:6px;align-items:center">
<button class="btn" id="agAutoBtn">AUTO</button>
<button class="btn" id="agStepBtn">STEP</button>
<input id="agMax" class="prompt-input" type="number" min="4" max="80" style="width:84px;margin-left:auto">
</div>
<div style="margin-top:12px;font-family:var(--sans);font-size:11px;line-height:1.5;color:var(--ink-3)">
Key lives only in this browser; calls go directly to api.anthropic.com. AUTO runs the loop freely
(Stop anytime). STEP asks before every run and %pip install. The agent's code runs in the same
Pyodide sandbox as yours — no filesystem, no network. Long sessions self-compact to fit the
model's context window (~200k tokens; oldest tool exchanges drop first — hover the meter to
see the live estimate). Hover any of your messages and press ⑂ to fork the conversation into
a duplicated notebook.
</div>
<div class="prompt-acts"><button class="btn" id="agClear">Clear key</button><button class="btn primary" id="agSave">Save</button></div>
</div>
</div>
</div>
<div class="scrim" id="helpScrim">
<div class="modal" role="dialog" aria-modal="true">
<div class="modal-h"><h2>Keyboard</h2><button class="modal-x" id="helpX">×</button></div>
<div class="modal-b">
<div class="kbd-grid">
<div>
<h3>Edit mode</h3>
<div class="kbd-row"><span>Run & select next</span><kbd>⇧ Enter</kbd></div>
<div class="kbd-row"><span>Run, stay</span><kbd>⌘ Enter</kbd></div>
<div class="kbd-row"><span>Run & insert below</span><kbd>⌥ Enter</kbd></div>
<div class="kbd-row"><span>Autocomplete</span><kbd>Ctrl Space</kbd></div>
<div class="kbd-row"><span>Indent / dedent</span><kbd>Tab</kbd></div>
<div class="kbd-row"><span>Leave cell</span><kbd>Esc</kbd></div>
<div class="kbd-row"><span>Agent panel</span><kbd>⌘ J</kbd></div>
</div>
<div>
<h3>Command mode</h3>
<div class="kbd-row"><span>Edit cell</span><kbd>Enter</kbd></div>
<div class="kbd-row"><span>Move selection</span><kbd>↑ ↓ / j k</kbd></div>
<div class="kbd-row"><span>Insert above / below</span><kbd>a</kbd> <kbd>b</kbd></div>
<div class="kbd-row"><span>Delete cell</span><kbd>d d</kbd></div>
<div class="kbd-row"><span>To markdown / code</span><kbd>m</kbd> <kbd>y</kbd></div>
</div>
</div>
<div class="kbd-row" style="margin-top:16px;border-top:1px solid var(--line);padding-top:14px"><span>Save notebook (.ipynb)</span><kbd>⌘ / Ctrl + S</kbd></div>
<div class="kbd-row"><span>Find & replace across cells</span><kbd>⌘ / Ctrl + F</kbd></div>
<div class="kbd-row"><span>Install a PyPI package</span><kbd>%pip install <i>name</i></kbd></div>
<div class="kbd-row"><span>Interactive output (iframe)</span><kbd>display_html(html, height)</kbd></div>
<div class="kbd-row"><span>Interactive Plotly chart</span><kbd>display_plotly(fig)</kbd></div>
</div>
</div>
</div>
<input type="file" id="fileIpynb" accept=".ipynb,application/json" hidden>
<input type="file" id="fileData" multiple hidden>
<script>
"use strict";
(function(){
const PYODIDE_BASE = "https://cdn.jsdelivr.net/pyodide/v0.29.4/full/";
const STORE_KEY = "kernel.notebook.v1";
const LIB_KEY = "kernel.library.v1";
const nbKey = id => "kernel.nb." + id;
/* ===== Python kernel harness (runs once at boot) ===== */
const HARNESS = `
import sys, io, ast, base64, json, os, traceback, warnings
from pyodide.code import eval_code_async
os.environ.setdefault("MPLBACKEND", "AGG")
warnings.filterwarnings("ignore", message=r".*non-interactive.*cannot be shown.*", category=UserWarning)
warnings.filterwarnings("ignore", message=r".*non-GUI backend.*", category=UserWarning)
# ---- ordered output stream: prints, figures, displays and the cell result appear in execution order ----
_OUT = []
_PENDING = []
class _StreamCap:
def __init__(self, name): self._name = name
def write(self, s):
if s: _PENDING.append((self._name, s))
return len(s) if s else 0
def writelines(self, lines):
for s in lines: self.write(s)
def flush(self): pass
def isatty(self): return False
def _flush_streams():
if not _PENDING: return
name, buf = None, []
for n, t in _PENDING:
if n != name and buf:
_OUT.append({"kind":"stream", "name":name, "text":"".join(buf)}); buf = []
name = n; buf.append(t)
if buf: _OUT.append({"kind":"stream", "name":name, "text":"".join(buf)})
_PENDING.clear()
def _emit_fig(fig):
b = io.BytesIO()
fig.savefig(b, format="png", bbox_inches="tight", dpi=110)
_OUT.append({"kind":"image", "mime":"image/png", "b64":base64.b64encode(b.getvalue()).decode("ascii")})
def _capture_open_figs(close=True):
if "matplotlib" not in sys.modules: return 0
try:
import matplotlib.pyplot as plt
except Exception:
return 0
nums = plt.get_fignums()
if not nums: return 0
_flush_streams()
for num in nums:
try: _emit_fig(plt.figure(num))
except Exception: pass
if close: plt.close("all")
return len(nums)
def _emit_obj(o):
_flush_streams()
rh = getattr(o, "_repr_html_", None)
if callable(rh):
try:
h = rh()
if h:
_OUT.append({"kind":"html", "html":str(h)}); return
except Exception:
pass
try: _OUT.append({"kind":"text", "text":repr(o)})
except Exception: _OUT.append({"kind":"text", "text":"<unrepresentable object>"})
# ---- display helpers available inside user cells ----
def display(*objs):
"""Render objects inline, in order (uses _repr_html_ when available)."""
for o in objs: _emit_obj(o)
def display_html(html, height=480):
"""Display trusted interactive HTML in a sandboxed iframe output."""
try: h = int(height)
except Exception: h = 480
h = max(140, min(1400, h))
_flush_streams()
_OUT.append({"kind":"iframe_html", "html":str(html), "height":h})
def display_iframe(html, height=480):
"""Alias for display_html (handy for Plotly / Bokeh standalone documents)."""
display_html(html, height)
def display_plotly(fig, height=520):
"""One-liner for Plotly figures: render an interactive chart via the CDN build."""
try:
html = fig.to_html(include_plotlyjs="cdn", full_html=True,
config={"responsive": True, "displaylogo": False})
except Exception as e:
raise TypeError("display_plotly expects a Plotly figure; got %s (%s)" % (type(fig).__name__, e))
display_html(html, height)
def _new_kernel_ns():
return {
"__name__": "__main__",
"display": display,
"display_html": display_html,
"display_iframe": display_iframe,
"display_plotly": display_plotly,
}
_KNS = _new_kernel_ns()
def _kernel_reset():
global _KNS
_KNS = _new_kernel_ns()
if "matplotlib" in sys.modules:
try:
import matplotlib.pyplot as plt
plt.close("all")
except Exception:
pass
return "ok"
def _fmt_exc():
et, ev, tb = sys.exc_info()
cur, user = tb, tb
while cur is not None:
if cur.tb_frame.f_code.co_filename in ("<cell>", "<exec>"):
user = cur
break
cur = cur.tb_next
return "".join(traceback.format_exception(et, ev, user))
def _install_mpl_hooks():
# Make plt.show()/fig.show() flush pending output + capture the figure in place:
# correct ordering AND no Agg "non-interactive" warning (we never reach the real backend).
if "matplotlib" not in sys.modules:
return
try:
import matplotlib.pyplot as plt
import matplotlib.figure as _mfig
except Exception:
return
if not getattr(plt, "_kernel_patched", False):
def _show(*a, **k): _capture_open_figs(close=True)
plt.show = _show
try: plt._kernel_patched = True
except Exception: pass
if not getattr(_mfig.Figure, "_kernel_patched", False):
def _fig_show(self, *a, **k):
_flush_streams()
try: _emit_fig(self)
except Exception: pass
try:
import matplotlib.pyplot as _plt; _plt.close(self)
except Exception: pass
try:
_mfig.Figure.show = _fig_show
_mfig.Figure._kernel_patched = True
except Exception:
pass
async def _kernel_run(src):
global _OUT, _PENDING
_OUT, _PENDING = [], []
error = None
_install_mpl_hooks()
old_out, old_err = sys.stdout, sys.stderr
sys.stdout, sys.stderr = _StreamCap("stdout"), _StreamCap("stderr")
try:
val = await eval_code_async(src, globals=_KNS, filename="<cell>")
_install_mpl_hooks()
_flush_streams()
_capture_open_figs(close=True)
if val is not None:
_KNS["_"] = val
_emit_obj(val)
except Exception:
error = _fmt_exc()
finally:
_flush_streams()
_capture_open_figs(close=True)
sys.stdout, sys.stderr = old_out, old_err
return json.dumps({"outputs": _OUT, "error": error})
def _human_bytes(n):
try:
n = float(n)
except Exception:
return ""
for unit in ("B", "KB", "MB", "GB"):
if n < 1024 or unit == "GB":
return ("%d B" % int(n)) if unit == "B" else ("%.1f %s" % (n, unit))
n /= 1024.0
return ""
def _var_bytes(v, tn):
try:
if tn == "DataFrame":
return int(v.memory_usage(deep=True).sum())
if tn == "Series":
return int(v.memory_usage(deep=True))
if tn == "ndarray":
return int(v.nbytes)
except Exception:
return None
return None
def _inspect_ns():
import types as _t
skip = (_t.ModuleType, _t.FunctionType, _t.BuiltinFunctionType, _t.MethodType, type)
rows = []
for k in list(_KNS.keys()):
if k.startswith("_"):