testing_space

Runtime error

App Files Files Community

everydaytok commited on 6 days ago

Commit

cf8b1cc

verified ·

1 Parent(s): cc4cc00

Update index.html

Browse files

Files changed (1) hide show

index.html +483 -162

index.html CHANGED Viewed

@@ -3,7 +3,7 @@
 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
-  <title>Scalar Fabric Logic Mesh</title>
   <script src="https://cdn.tailwindcss.com"></script>
   <script src="https://cdn.plot.ly/plotly-2.24.1.min.js"></script>
   <style>
@@ -11,228 +11,549 @@
     .glass { background:rgba(10,18,35,0.98); border:1px solid #1e2d40; }
     #drawer { transition:transform .3s ease; z-index:200; }
     .drawer-closed { transform:translateY(100%); }
-    .ptype { display:inline-block; padding:1px 5px; border-radius:3px; font-size:9px; font-weight:bold; }
-    .pt-blend { background:#1e3a2f; color:#4ade80; }
-    .pt-diff  { background:#1e2d4a; color:#60a5fa; }
-    .pt-route { background:#3a1e3a; color:#e879f9; }
-    .pt-manual{ background:#3a2a1e; color:#fb923c; }
   </style>
 </head>
 <body class="flex flex-col h-screen overflow-hidden">
-<header class="glass flex-shrink-0 px-2 py-1.5 flex justify-between items-center gap-1">
-  <div class="flex flex-wrap gap-1 items-center text-[8px] font-bold">
-    <span id="b-mode" class="px-1.5 py-0.5 rounded bg-slate-800 text-slate-400 border border-slate-700">IDLE</span>
-    <span id="b-type" class="ptype pt-blend">—</span>
-    <span id="b-dim" class="px-1.5 py-0.5 rounded bg-slate-900 text-slate-600 border border-slate-800">D:8</span>
   </div>
-  <div class="flex items-center gap-1 flex-shrink-0">
     <span id="q-lbl" class="text-[8px] text-slate-600">Q:0</span>
     <div id="run-dot" class="w-2 h-2 rounded-full bg-slate-700"></div>
-    <button onclick="postAct('/halt')" class="text-[9px] bg-red-900 hover:bg-red-800 px-2 py-1 rounded font-bold shadow">■ HALT</button>
-    <button onclick="openDrawer()" class="text-[9px] bg-slate-700 hover:bg-slate-600 px-2 py-1 rounded font-bold shadow">⚙ CONTROLS</button>
   </div>
 </header>
-<div class="flex-grow flex flex-col min-h-[30vh] overflow-hidden relative">
-  <div id="error-box" class="hidden absolute top-0 w-full bg-red-900 text-white p-2 text-xs font-bold z-50"></div>
-  <div id="mesh-plot" class="flex-grow w-full"></div>
-  <div id="err-plot" style="height:56px" class="flex-shrink-0 border-t border-slate-900 hidden md:block"></div>
 </div>
-<div class="glass flex-shrink-0 border-t border-slate-800 h-48">
   <div class="flex border-b border-slate-800 text-[10px]">
-    <button onclick="tab('nodes')" id="tab-nodes" class="flex-1 py-1 bg-blue-900/40 text-blue-300 font-bold">NODES (A, C, B)</button>
-    <button onclick="tab('accuracy')" id="tab-accuracy" class="flex-1 py-1 text-slate-500">ACCURACY</button>
-    <button onclick="tab('logs')" id="tab-logs" class="flex-1 py-1 text-slate-500">LOGS</button>
   </div>
   <div class="flex h-full overflow-hidden">
-    <div class="w-24 flex-shrink-0 border-r border-slate-800 flex flex-col items-center justify-center p-1 gap-0.5">
-      <div class="text-[7px] text-slate-600 uppercase">mean error</div>
-      <div id="err-big" class="text-xl font-bold text-red-400 leading-none">0.00</div>
     </div>
-    <div class="flex-grow overflow-y-auto p-1.5 text-[10px] pb-6">
       <div id="pane-nodes"></div>
-      <div id="pane-accuracy" class="hidden"></div>
-      <div id="pane-logs" class="hidden text-[9px] text-slate-500"></div>
     </div>
   </div>
 </div>
-<aside id="drawer" class="drawer-closed fixed inset-x-0 bottom-0 glass border-t border-slate-700 p-4 flex flex-col gap-3 max-h-[90vh] overflow-y-auto pb-10 shadow-2xl">
   <div class="flex justify-between items-center">
-    <span class="text-orange-400 font-bold">FABRIC CONTROL</span>
     <button onclick="closeDrawer()" class="text-slate-400 text-2xl leading-none">✕</button>
   </div>
-  <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
-    <div class="bg-slate-900 rounded p-3 border border-purple-900/50">
-      <div class="text-purple-400 text-[9px] font-bold mb-2">OFFLINE TRAINING</div>
-      <div class="flex gap-2 items-center">
-        <input id="ep-n" type="number" value="15" class="w-16 bg-black border border-slate-700 p-1 text-white text-sm text-center rounded">
-        <label class="text-[9px] text-slate-500 flex-1">Epochs</label>
-        <button onclick="doTrain()" class="bg-purple-800 hover:bg-purple-700 px-4 py-2 text-xs font-bold rounded">⚡ TRAIN</button>
       </div>
     </div>
-    <div class="bg-slate-900 rounded p-3 border border-green-900/50">
-      <div class="text-green-400 text-[9px] font-bold mb-2">BATCH INFERENCE (EWC)</div>
-      <div class="flex gap-2 items-center">
-        <input id="inf-n" type="number" value="200" class="w-16 bg-black border border-slate-700 p-1 text-white text-sm text-center rounded">
-        <label class="text-[9px] text-slate-500 flex-1">Samples</label>
-        <button onclick="doInfer()" class="bg-green-800 hover:bg-green-700 px-4 py-2 text-xs font-bold rounded">▶ RUN</button>
       </div>
     </div>
   </div>
-  <div class="bg-slate-900 rounded p-3 border border-orange-900/50">
-    <div class="text-orange-400 text-[9px] font-bold mb-2">MANUAL INJECTION (D:8)</div>
-    <div class="space-y-2">
       <div>
-        <label class="text-[8px] text-slate-500 block mb-0.5">Input A</label>
-        <input id="man-a" type="text" value="0.9, 0.1, 0.5, 0.2, 0.8, 0.3, 0.7, 0.4" class="w-full bg-black border border-slate-700 p-1.5 text-orange-200 text-xs rounded font-mono">
       </div>
       <div>
-        <label class="text-[8px] text-slate-500 block mb-0.5">Input B</label>
-        <input id="man-b" type="text" value="0.1, 0.9, 0.5, 0.8, 0.2, 0.7, 0.3, 0.6" class="w-full bg-black border border-slate-700 p-1.5 text-cyan-200 text-xs rounded font-mono">
       </div>
-      <button onclick="doManual()" class="w-full bg-orange-900 hover:bg-orange-800 py-2 text-xs font-bold rounded mt-1">INJECT MANUAL ARRAYS</button>
     </div>
   </div>
 </aside>
 <script>
-let plotted = false;
-function openDrawer()  { document.getElementById('drawer').classList.remove('drawer-closed'); }
 function closeDrawer() { document.getElementById('drawer').classList.add('drawer-closed'); }
-async function postAct(route) { try { await fetch(route, {method:'POST'}); } catch(e) { showError("Connection lost."); } }
-async function doTrain() {
-  const ep = parseInt(document.getElementById('ep-n').value);
-  await fetch('/train', {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify({epochs:ep})});
   closeDrawer();
 }
-async function doInfer() {
-  const n = parseInt(document.getElementById('inf-n').value);
-  await fetch('/infer', {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify({n})});
   closeDrawer();
 }
-async function doManual() {
-  const a = document.getElementById('man-a').value;
-  const b = document.getElementById('man-b').value;
-  const res = await fetch('/manual', {method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify({a:a, b:b})});
-  const data = await res.json();
-  if(!data.ok) alert(data.error); else closeDrawer();
 }
-function showError(msg) {
-    const box = document.getElementById('error-box');
-    box.innerText = msg; box.classList.remove('hidden');
 }
 function tab(name) {
-  ['nodes','accuracy','logs'].forEach(t => {
     document.getElementById(`pane-${t}`).classList.toggle('hidden', t !== name);
     document.getElementById(`tab-${t}`).className = t === name
-      ? 'flex-1 py-1 bg-blue-900/40 text-blue-300 font-bold text-[10px]'
-      : 'flex-1 py-1 text-slate-500 text-[10px]';
   });
 }
 setInterval(async () => {
   try {
-      const res = await fetch('/state');
-      if (!res.ok) throw new Error("Server error");
-      const d = await res.json();
-      document.getElementById('error-box').classList.add('hidden');
-      const mcolor = {train:'bg-yellow-700 text-yellow-100', infer:'bg-green-800 text-green-100', manual:'bg-orange-800 text-orange-100'}[d.mode] || 'bg-slate-800';
-      document.getElementById('b-mode').className = `px-1.5 py-0.5 rounded text-[8px] font-bold ${mcolor}`;
-      document.getElementById('b-mode').innerText = (d.mode||'IDLE').toUpperCase();
-      document.getElementById('b-type').className = `ptype pt-${d.current_type}`;
-      document.getElementById('b-type').innerText = d.current_type;
-      document.getElementById('run-dot').className = `w-2 h-2 rounded-full ${d.running?'bg-green-400':'bg-slate-700'}`;
-      document.getElementById('q-lbl').innerText = `Q:${d.queue_size}`;
-      const col = d.error < 0.05 ? 'text-green-400' : d.error < 0.15 ? 'text-yellow-400' : 'text-red-400';
-      document.getElementById('err-big').className = `text-xl font-bold ${col} leading-none`;
-      document.getElementById('err-big').innerText = d.error.toFixed(4);
-      document.getElementById('pane-logs').innerHTML = d.logs.map(l => `<div>${l}</div>`).join('');
-      let ah = "";
-      if(Object.keys(d.type_acc).length > 0) {
-          ah += `<table class="w-full text-left border-collapse">
-            <tr class="text-slate-600 border-b border-slate-800"><th>Type</th><th>N</th><th>Avg Err</th></tr>`;
-          for(const [t, v] of Object.entries(d.type_acc)) {
-              ah += `<tr class="border-b border-slate-900/60">
-                <td class="py-1 text-orange-300 font-bold">${t}</td>
-                <td class="text-slate-400">${v.n}</td>
-                <td class="text-white">${v.avg_err}</td>
-              </tr>`;
-          }
-          ah += `</table>`;
-      } else { ah = "No inference data yet. Run Batch Inference."; }
-      document.getElementById('pane-accuracy').innerHTML = ah;
-      let nh = "";
-      ['A','C','B'].forEach(kind => {
-         const k_nodes = Object.values(d.nodes).filter(n => n.kind === kind).sort((a,b)=>a.col-b.col);
-         if(k_nodes.length === 0) return;
-         const vals = k_nodes.map(n => n.x.toFixed(2)).join(', ');
-         const color = kind==='A'?'text-orange-400':kind==='B'?'text-purple-400':'text-sky-400';
-         nh += `<div class="mb-1"><span class="${color} font-bold w-4 inline-block">${kind}:</span><span class="font-mono text-slate-300 tracking-wider">${vals}</span></div>`;
-      });
-      document.getElementById('pane-nodes').innerHTML = nh;
-      const traces = [];
-      const nodes = Object.values(d.nodes);
-      for(const [key, K] of Object.entries(d.springs)) {
-          const parts = key.split('|');
-          if (parts.length !== 2) continue;
-          if(!d.nodes[parts[0]] || !d.nodes[parts[1]]) continue;
-          const pu = d.nodes[parts[0]].pos, pv = d.nodes[parts[1]].pos;
-          // Stiff/Positive = Amber, Repulsive/Negative = Cyan
-          const color = K > 0 ? `rgba(217,119,6,${Math.min(K/1.5,1)})` : `rgba(6,182,212,${Math.min(Math.abs(K)/1.5,1)})`;
-          traces.push({
-              type:'scatter', mode:'lines', x:[pu[0], pv[0]], y:[pu[1], pv[1]],
-              line:{ color: color, width: 1.0 + Math.abs(K)*2.0 }, hoverinfo:'none', showlegend:false
-          });
-      }
-      traces.push({
-          type:'scatter', mode:'markers+text',
-          x: nodes.map(n => n.pos[0]), y: nodes.map(n => n.pos[1]),
-          text: nodes.map(n => n.x.toFixed(2)),
-          textposition: 'top center', textfont: {size: 10, color: '#9ca3af'},
-          marker: {
-              size: 16, color: nodes.map(n => n.x), colorscale: 'Viridis',
-              line: {color: nodes.map(n => ['A','B','C'].includes(n.kind)?'#ef4444':'#171717'), width: 2}
-          },
-          showlegend:false
-      });
-      const layout = {
-          margin:{l:5,r:5,t:5,b:5}, paper_bgcolor:'transparent', plot_bgcolor:'transparent',
-          xaxis:{visible:false}, yaxis:{visible:false, scaleanchor:'x'},
-      };
-      if(!plotted) { Plotly.newPlot('mesh-plot', traces, layout, {responsive:true}); plotted = true; }
-      else { Plotly.react('mesh-plot', traces, layout); }
-      if(document.getElementById('err-plot').offsetWidth > 0 && d.hist.length > 0) {
-        Plotly.react('err-plot', [{y: d.hist, type:'scatter', line:{color:'#22c55e'}}], {
-            margin:{l:30,r:10,t:10,b:15}, paper_bgcolor:'transparent', plot_bgcolor:'transparent',
-            xaxis:{visible:false}, yaxis:{gridcolor:'#262626'}
-        });
-      }
-  } catch (e) { showError("UI Error: " + e.message); }
-}, 250);
 </script>
 </body>
 </html>

 <head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  <title>Elastic Mesh Lab</title>
   <script src="https://cdn.tailwindcss.com"></script>
   <script src="https://cdn.plot.ly/plotly-2.24.1.min.js"></script>
   <style>
     .glass { background:rgba(10,18,35,0.98); border:1px solid #1e2d40; }
     #drawer { transition:transform .3s ease; z-index:200; }
     .drawer-closed { transform:translateY(100%); }
+    .tog { transition:all .15s; }
+    .tog.on  { color:#fff; }
+    .tog.off { background:#1e293b !important; color:#64748b; }
+    .lbtn {
+      width:22px; height:22px; background:#1e293b; border:1px solid #334155;
+      border-radius:4px; color:#94a3b8; font-weight:bold; font-size:14px;
+      cursor:pointer; display:inline-flex; align-items:center; justify-content:center;
+    }
+    .lbtn:hover { background:#334155; color:#fff; }
   </style>
 </head>
 <body class="flex flex-col h-screen overflow-hidden">
+<!-- ── HEADER ──────────────────────────────────────────────────────────────── -->
+<header class="glass flex-shrink-0 px-2 py-1.5 flex justify-between items-center">
+  <div class="flex flex-wrap gap-1 text-[8px] font-bold items-center">
+    <span id="b-mode"  class="px-1.5 py-0.5 rounded bg-yellow-900/60 text-yellow-300 border border-yellow-800/60">TRAIN</span>
+    <span id="b-arch"  class="px-1.5 py-0.5 rounded bg-blue-900/60   text-blue-300   border border-blue-800/60">ADDIT</span>
+    <span id="b-alpha" class="px-1.5 py-0.5 rounded bg-orange-900/60 text-orange-300 border border-orange-800/60">α:0.45</span>
+    <span class="px-1.5 py-0.5 rounded bg-green-900/60 text-green-300 border border-green-800/60 flex items-center gap-0.5">
+      <span class="text-orange-400 mr-0.5">U</span>
+      <button class="lbtn" onclick="quickL('upper',-1)">−</button>
+      <span id="b-upper" class="w-3 text-center text-white">3</span>
+      <button class="lbtn" onclick="quickL('upper',+1)">+</button>
+      <span class="text-cyan-400 mx-1">L</span>
+      <button class="lbtn" onclick="quickL('lower',-1)">−</button>
+      <span id="b-lower" class="w-3 text-center text-white">3</span>
+      <button class="lbtn" onclick="quickL('lower',+1)">+</button>
+    </span>
+    <span id="b-data" class="px-1.5 py-0.5 rounded bg-pink-900/60 text-pink-300 border border-pink-800/60">HOUSNG</span>
   </div>
+  <div class="flex items-center gap-2 ml-1">
     <span id="q-lbl" class="text-[8px] text-slate-600">Q:0</span>
     <div id="run-dot" class="w-2 h-2 rounded-full bg-slate-700"></div>
+    <button onclick="openDrawer()" class="text-[10px] bg-blue-700 hover:bg-blue-600 px-2 py-1 rounded font-bold">⚙ DIALS</button>
   </div>
 </header>
+<!-- ── PLOTS ────────────────────────────────────────────────────────────────── -->
+<div class="flex-grow flex flex-col min-h-0 overflow-hidden">
+  <div id="mesh-plot" class="flex-grow min-h-0"></div>
+  <div id="err-plot" style="height:58px" class="flex-shrink-0 border-t border-slate-900"></div>
 </div>
+<!-- ── BOTTOM PANEL ─────────────────────────────────────────────────────────── -->
+<div class="glass flex-shrink-0 border-t border-slate-800" style="height:174px">
   <div class="flex border-b border-slate-800 text-[10px]">
+    <button onclick="tab('nodes')"   id="tab-nodes"   class="flex-1 py-1.5 bg-blue-900/40 text-blue-300 font-bold">NODES</button>
+    <button onclick="tab('springs')" id="tab-springs" class="flex-1 py-1.5 text-slate-500">SPRINGS</button>
+    <button onclick="tab('logs')"    id="tab-logs"    class="flex-1 py-1.5 text-slate-500">LOGS</button>
   </div>
   <div class="flex h-full overflow-hidden">
+    <div class="w-20 flex-shrink-0 border-r border-slate-800 flex flex-col items-center justify-center p-1 gap-0.5">
+      <div class="text-[7px] text-slate-600 uppercase tracking-widest">Tension</div>
+      <div id="err-big"  class="text-xl font-bold text-red-400 leading-none">0.00</div>
+      <div id="pred-val" class="text-[8px] text-slate-500">P:—</div>
+      <div id="iter-lbl" class="text-[8px] text-slate-700">IT:0</div>
     </div>
+    <div class="flex-grow overflow-y-auto p-1.5 text-[10px]">
       <div id="pane-nodes"></div>
+      <div id="pane-springs" class="hidden"></div>
+      <div id="pane-logs"    class="hidden text-[9px] text-slate-500"></div>
     </div>
   </div>
 </div>
+<!-- ── DRAWER ───────────────────────────────────────────────────────────────── -->
+<aside id="drawer" class="drawer-closed fixed inset-x-0 bottom-0 glass border-t border-slate-700 p-4 flex flex-col gap-3 max-h-[93vh] overflow-y-auto">
   <div class="flex justify-between items-center">
+    <span class="text-orange-400 font-bold text-sm">ELASTIC MESH LABORATORY</span>
     <button onclick="closeDrawer()" class="text-slate-400 text-2xl leading-none">✕</button>
   </div>
+  <div class="grid grid-cols-2 gap-2">
+    <!-- MODE -->
+    <div class="col-span-2 bg-slate-900 rounded p-3 border border-yellow-900/50">
+      <div class="text-yellow-400 text-[9px] font-bold mb-2">EXECUTION MODE</div>
+      <div class="flex gap-2">
+        <button class="tog on flex-1 py-2 rounded text-xs font-bold bg-yellow-700"
+          onclick="pick('mode','training',this,'bg-yellow-700')">TRAINING</button>
+        <button class="tog off flex-1 py-2 rounded text-xs font-bold"
+          onclick="pick('mode','inference',this,'bg-yellow-700')">INFERENCE</button>
       </div>
     </div>
+    <!-- ARCH -->
+    <div class="bg-slate-900 rounded p-3 border border-blue-900/50">
+      <div class="text-blue-400 text-[9px] font-bold mb-2">NODE ACTIVATION</div>
+      <button class="tog on w-full mb-1 py-2 rounded text-[10px] font-bold bg-blue-700"
+        onclick="pick('architecture','additive',this,'bg-blue-700')">ADDITIVE Σ</button>
+      <button class="tog off w-full py-2 rounded text-[10px] font-bold"
+        onclick="pick('architecture','multiplicative',this,'bg-blue-700')">MULTIPLICATIVE Π</button>
+    </div>
+    <!-- ALPHA -->
+    <div class="bg-slate-900 rounded p-3 border border-orange-900/50">
+      <div class="text-orange-400 text-[9px] font-bold mb-1">BACK-TENSION α</div>
+      <input id="alpha-sl" type="range" min="0" max="100" value="45" step="5"
+        class="w-full accent-orange-500 mt-1"
+        oninput="document.getElementById('alpha-val').innerText=(this.value/100).toFixed(2)">
+      <div class="text-center text-orange-300 font-bold text-xl mt-0.5" id="alpha-val">0.45</div>
+      <div class="text-[8px] text-slate-600 text-center mt-0.5">elastic coupling A↕B</div>
+    </div>
+    <!-- TOPOLOGY -->
+    <div class="col-span-2 bg-slate-900 rounded p-3 border border-green-900/50">
+      <div class="text-green-400 text-[9px] font-bold mb-3">
+        HOURGLASS TOPOLOGY
+        <span class="text-slate-500 font-normal ml-1">A → [upper] → C ← [lower] ← B</span>
       </div>
+      <div class="grid grid-cols-2 gap-3">
+        <div class="bg-slate-800 rounded p-3 text-center border border-orange-900/40">
+          <div class="text-orange-400 text-[8px] mb-1">UPPER BULGE (A-side)</div>
+          <div class="flex items-center justify-center gap-3">
+            <button class="lbtn text-base" onclick="chL('upper',-1)">−</button>
+            <span id="dial-upper" class="text-orange-300 font-bold text-3xl w-8 text-center">3</span>
+            <button class="lbtn text-base" onclick="chL('upper',+1)">+</button>
+          </div>
+          <div class="text-[8px] text-slate-600 mt-1">U nodes</div>
+        </div>
+        <div class="bg-slate-800 rounded p-3 text-center border border-cyan-900/40">
+          <div class="text-cyan-400 text-[8px] mb-1">LOWER BULGE (B-side)</div>
+          <div class="flex items-center justify-center gap-3">
+            <button class="lbtn text-base" onclick="chL('lower',-1)">−</button>
+            <span id="dial-lower" class="text-cyan-300 font-bold text-3xl w-8 text-center">3</span>
+            <button class="lbtn text-base" onclick="chL('lower',+1)">+</button>
+          </div>
+          <div class="text-[8px] text-slate-600 mt-1">L nodes</div>
+        </div>
+      </div>
+      <div id="spring-count" class="text-center text-[8px] text-slate-600 mt-2"></div>
     </div>
   </div>
+  <button onclick="applyConfig()"
+    class="w-full bg-white text-black py-3 rounded font-bold text-sm hover:bg-slate-200">
+    APPLY CONFIG &amp; RESET MESH
+  </button>
+  <!-- DATASET -->
+  <div class="bg-slate-900 rounded p-3 border border-pink-900/50">
+    <div class="text-pink-400 text-[9px] font-bold mb-2">DATASET
+      <span class="text-slate-600 font-normal ml-1">(hidden from mesh)</span>
+    </div>
+    <select id="ds-sel" onchange="refreshDS()"
+      class="w-full bg-black border border-slate-700 p-2 text-white text-xs rounded mb-2">
+      <option value="housing">Housing — A×2.5 + B×1.2</option>
+      <option value="subtraction">Subtraction — A − B</option>
+      <option value="multiplication">Multiplication — A × B</option>
+      <option value="quadratic">Quadratic — A² + B</option>
+    </select>
+    <p id="ds-hint" class="text-[9px] text-slate-500 italic mb-2"></p>
+    <div class="flex gap-2">
+      <input id="batch-n" type="number" value="30" min="5" max="200"
+        class="w-16 bg-black border border-slate-700 p-2 text-white text-sm text-center rounded">
+      <button onclick="startBatch()"
+        class="flex-1 bg-pink-800 hover:bg-pink-700 py-2 text-xs font-bold rounded">START BATCH</button>
+    </div>
+  </div>
+  <!-- CUSTOM -->
+  <div class="bg-slate-900 rounded p-3 border border-cyan-900/50">
+    <div class="text-cyan-400 text-[9px] font-bold mb-1">CUSTOM INPUT</div>
+    <div id="ds-examples" class="text-[9px] text-slate-500 mb-2"></div>
+    <div class="grid grid-cols-3 gap-2 mb-2">
+      <div>
+        <div class="text-[8px] text-slate-600 mb-1">A (top)</div>
+        <input id="ca" type="number" value="5" step="0.1"
+          class="w-full bg-black border border-slate-700 p-2 text-white text-sm text-center rounded"
+          oninput="updateExpected()">
+      </div>
       <div>
+        <div class="text-[8px] text-slate-600 mb-1">B (bottom)</div>
+        <input id="cb" type="number" value="3" step="0.1"
+          class="w-full bg-black border border-slate-700 p-2 text-white text-sm text-center rounded"
+          oninput="updateExpected()">
       </div>
       <div>
+        <div class="text-[8px] text-slate-600 mb-1">C target</div>
+        <input id="cc" type="number" placeholder="auto" step="0.1"
+          class="w-full bg-black border border-slate-700 p-2 text-white text-sm text-center rounded">
       </div>
     </div>
+    <div id="expected-lbl" class="text-[9px] text-yellow-400 mb-2 min-h-[14px]"></div>
+    <button onclick="runCustom()"
+      class="w-full bg-cyan-800 hover:bg-cyan-700 py-2 text-xs font-bold rounded">RUN CUSTOM</button>
   </div>
+  <button onclick="halt()"
+    class="w-full border border-red-700 text-red-500 py-2 rounded text-xs font-bold">HALT ENGINE</button>
 </aside>
 <script>
+// ── STATE ──────────────────────────────────────────────────────────────────────
+const cfg  = { mode: 'training', architecture: 'additive' };
+const topo = { upper: 3, lower: 3 };
+function springCount() {
+  const { upper: u, lower: l } = topo;
+  return `Springs: ${u} (A→U) + ${u} (U→C) + ${l} (B→L) + ${l} (L→C) = ${2*u + 2*l} total`;
+}
+function updateSpringCount() {
+  document.getElementById('spring-count').innerText = springCount();
+}
+function chL(w, d) {
+  topo[w] = Math.max(1, Math.min(8, topo[w] + d));
+  document.getElementById(`dial-${w}`).innerText = topo[w];
+  updateSpringCount();
+}
+async function quickL(w, d) {
+  const res = await fetch('/set_layer', {
+    method: 'POST', headers: {'Content-Type':'application/json'},
+    body: JSON.stringify({ layer: w, delta: d })
+  });
+  const data = await res.json();
+  topo.upper = data.n_upper; topo.lower = data.n_lower;
+  syncTopoUI();
+  meshPlotted = false;
+}
+function syncTopoUI() {
+  ['upper','lower'].forEach(k => {
+    document.getElementById(`b-${k}`).innerText    = topo[k];
+    document.getElementById(`dial-${k}`).innerText = topo[k];
+  });
+  updateSpringCount();
+}
+function pick(key, val, btn, cls) {
+  cfg[key] = val;
+  btn.parentElement.querySelectorAll('.tog').forEach(b => {
+    b.classList.add('off'); b.classList.remove('on', cls);
+  });
+  btn.classList.remove('off'); btn.classList.add('on', cls);
+}
+function openDrawer()  { document.getElementById('drawer').classList.remove('drawer-closed'); refreshDS(); }
 function closeDrawer() { document.getElementById('drawer').classList.add('drawer-closed'); }
+async function applyConfig() {
+  const ds    = document.getElementById('ds-sel').value;
+  const alpha = parseFloat(document.getElementById('alpha-sl').value) / 100;
+  await fetch('/config', {
+    method:'POST', headers:{'Content-Type':'application/json'},
+    body: JSON.stringify({
+      ...cfg, dataset: ds, back_alpha: alpha,
+      n_upper: topo.upper, n_lower: topo.lower
+    })
+  });
+  document.getElementById('b-mode').innerText  = cfg.mode === 'training' ? 'TRAIN' : 'INFER';
+  document.getElementById('b-arch').innerText  = cfg.architecture.slice(0,5).toUpperCase();
+  document.getElementById('b-alpha').innerText = `α:${alpha.toFixed(2)}`;
+  document.getElementById('b-data').innerText  = ds.slice(0,6).toUpperCase();
+  meshPlotted = false;
   closeDrawer();
 }
+async function startBatch() {
+  await fetch('/generate', {
+    method:'POST', headers:{'Content-Type':'application/json'},
+    body: JSON.stringify({ count: parseInt(document.getElementById('batch-n').value) })
+  });
   closeDrawer();
 }
+async function runCustom() {
+  const a = document.getElementById('ca').value;
+  const b = document.getElementById('cb').value;
+  const c = document.getElementById('cc').value;
+  await fetch('/run_custom', {
+    method:'POST', headers:{'Content-Type':'application/json'},
+    body: JSON.stringify({ a, b, c: c !== '' ? c : null })
+  });
+  closeDrawer();
+}
+async function halt() {
+  await fetch('/halt', { method:'POST' });
+  closeDrawer();
 }
+// ── DATASET META ──────────────────────────────────────────────────────────────
+const DS = {
+  housing:       { hint:'A×2.5+B×1.2',  fn:(a,b)=>(a*2.5+b*1.2).toFixed(3), ex:[{a:4,b:2},{a:6,b:3}] },
+  subtraction:   { hint:'A−B',           fn:(a,b)=>(a-b).toFixed(3),          ex:[{a:8,b:3},{a:5,b:5}] },
+  multiplication:{ hint:'A×B',           fn:(a,b)=>(a*b).toFixed(3),          ex:[{a:6,b:7},{a:3,b:9}] },
+  quadratic:     { hint:'A²+B',          fn:(a,b)=>(a*a+b).toFixed(3),        ex:[{a:3,b:2},{a:4,b:5}] },
+};
+function refreshDS() {
+  const ds = document.getElementById('ds-sel').value, m = DS[ds];
+  document.getElementById('ds-hint').innerText = m.hint;
+  document.getElementById('ds-examples').innerHTML = 'e.g. ' +
+    m.ex.map(e => `<span class="cursor-pointer text-cyan-500 underline"
+      onclick="fillC(${e.a},${e.b})">A=${e.a} B=${e.b}→${m.fn(e.a,e.b)}</span>`).join('  ');
+  updateExpected();
+}
+function fillC(a, b) {
+  document.getElementById('ca').value = a;
+  document.getElementById('cb').value = b;
+  document.getElementById('cc').value = '';
+  updateExpected();
+}
+function updateExpected() {
+  const a = document.getElementById('ca').value, b = document.getElementById('cb').value;
+  const ds = document.getElementById('ds-sel').value;
+  if (a && b && DS[ds])
+    document.getElementById('expected-lbl').innerText =
+      `Ground truth: ${DS[ds].fn(parseFloat(a), parseFloat(b))}`;
 }
+refreshDS();
+updateSpringCount();
+// ── TABS ──────────────────────────────────────────────────────────────────────
 function tab(name) {
+  ['nodes','springs','logs'].forEach(t => {
     document.getElementById(`pane-${t}`).classList.toggle('hidden', t !== name);
     document.getElementById(`tab-${t}`).className = t === name
+      ? 'flex-1 py-1.5 bg-blue-900/40 text-blue-300 font-bold text-[10px]'
+      : 'flex-1 py-1.5 text-slate-500 text-[10px]';
+  });
+}
+// ── VISUALIZATION ─────────────────────────────────────────────────────────────
+//
+//  Vertical bilateral hourglass — exact sketch match:
+//
+//        ┌─────────┐    ← A bus  (top rectangle, orange)
+//        └─────────┘
+//       /  U1 U2 U3 \   ← upper bulge (fan-out from A)
+//      /             \
+//      └──────C──────┘  ← C waist  (center rectangle, cyan)
+//      \             /
+//       \  L1 L2 L3 /   ← lower bulge (fan-in to B)
+//        ┌─────────┐    ← B bus  (bottom rectangle, purple)
+//        └─────────┘
+//
+// Y axis: A=+4.4, upper bulge=+2.0, C=0, lower bulge=-2.0, B=-4.4
+const Y = { A: 4.4, U: 2.1, C: 0.0, L: -2.1, B: -4.4 };
+function layerX(ids, spread) {
+  const n = ids.length;
+  return ids.map((_, i) => n === 1 ? 0 : spread * (2*i/(n-1) - 1));
+}
+function buildPos(layers) {
+  // layers = [['A'], ['U1'..'Un'], ['C'], ['L1'..'Ln'], ['B']]
+  const pos = {};
+  const spreads = [0, 3.8, 0, 3.8, 0];
+  const ys      = [Y.A, Y.U, Y.C, Y.L, Y.B];
+  layers.forEach((layer, li) => {
+    const xs = layerX(layer, spreads[li]);
+    layer.forEach((id, i) => { pos[id] = [xs[i], ys[li]]; });
+  });
+  return pos;
+}
+// Bus rectangle shapes
+function busShapes(pos) {
+  const sh = [];
+  const rect = (xc, yc, hw, hh, fill, stroke) => sh.push({
+    type: 'rect', xref: 'x', yref: 'y',
+    x0: xc-hw, x1: xc+hw, y0: yc-hh, y1: yc+hh,
+    fillcolor: fill, line: { color: stroke, width: 2 }
+  });
+  rect(0, Y.A, 2.2, 0.35, 'rgba(251,146,60,0.10)', 'rgba(251,146,60,0.65)');  // A bus
+  rect(0, Y.C, 1.8, 0.32, 'rgba(56,189,248,0.10)', 'rgba(56,189,248,0.70)');  // C waist
+  rect(0, Y.B, 2.2, 0.35, 'rgba(192,132,252,0.10)','rgba(192,132,252,0.65)'); // B bus
+  return sh;
+}
+// Spring color: positive = amber warmth, negative = cool blue
+function springColor(k) {
+  const t = Math.min(Math.abs(k) / 6, 1);
+  if (k >= 0) return [`rgb(${Math.round(180+t*70)},${Math.round(100+t*80)},30)`,  1.0 + t*3.5];
+  return              [`rgb(30,${Math.round(80+t*100)},${Math.round(140+t*115)})`, 1.0 + t*3.5];
+}
+function buildTraces(nodes, springs, layers) {
+  const pos    = buildPos(layers);
+  const traces = [];
+  // Edges
+  for (const [key, k] of Object.entries(springs)) {
+    const [u, v] = key.split('→');
+    if (!pos[u] || !pos[v]) continue;
+    const [col, wd] = springColor(k);
+    traces.push({
+      type:'scatter', mode:'lines',
+      x:[pos[u][0], pos[v][0]], y:[pos[u][1], pos[v][1]],
+      line:{ color: col, width: wd },
+      hoverinfo:'none', showlegend:false
+    });
+  }
+  // Nodes
+  const allN = layers.flat();
+  const nodeCol = id => {
+    if (id === 'A') return '#fb923c';
+    if (id === 'B') return '#c084fc';
+    if (id === 'C') return '#38bdf8';
+    if (id.startsWith('U')) return '#4ade80';
+    return '#67e8f9';
+  };
+  traces.push({
+    type:'scatter', mode:'markers+text',
+    x: allN.map(id => pos[id][0]),
+    y: allN.map(id => pos[id][1]),
+    text: allN.map(id => {
+      const xv = Number(nodes[id]?.x ?? 0).toFixed(2);
+      return `${id}\n${xv}`;
+    }),
+    textposition: allN.map(id => {
+      if (id === 'A') return 'top center';
+      if (id === 'B') return 'bottom center';
+      return 'top center';
+    }),
+    textfont:{ size:9, color: allN.map(id => nodeCol(id)) },
+    marker:{
+      size: allN.map(id => {
+        const v    = Math.abs(nodes[id]?.vel ?? 0);
+        const base = ['A','B','C'].includes(id) ? 20 : 13;
+        return base + Math.min(v * 30, 9);
+      }),
+      color: allN.map(id => nodeCol(id)),
+      opacity: allN.map(id => 0.75 + Math.min(Math.abs(nodes[id]?.vel ?? 0) * 1.8, 0.25)),
+      line:{ width:2.5, color: allN.map(id => nodes[id]?.anchored ? '#ef4444' : '#22c55e') }
+    },
+    hoverinfo:'none', showlegend:false
   });
+  return traces;
+}
+function meshLayout(layers) {
+  const pos = buildPos(layers);
+  return {
+    margin:{ l:8, r:8, t:8, b:8 },
+    paper_bgcolor:'transparent', plot_bgcolor:'transparent',
+    xaxis:{ visible:false, range:[-5.5, 5.5] },
+    yaxis:{ visible:false, range:[-5.5, 5.5] },
+    showlegend:false,
+    shapes: busShapes(pos),
+  };
 }
+const ERR_LAYOUT = {
+  margin:{ l:30, r:6, t:3, b:12 },
+  paper_bgcolor:'transparent', plot_bgcolor:'transparent',
+  xaxis:{ visible:false },
+  yaxis:{ color:'#334155', gridcolor:'#0f172a', zeroline:true, zerolinecolor:'#22c55e', zerolinewidth:1 },
+  showlegend:false,
+};
+let meshPlotted = false, errPlotted = false, lastLayerKey = '';
+// ── POLL ──────────────────────────────────────────────────────────────────────
 setInterval(async () => {
   try {
+    const r = await fetch('/state');
+    const d = await r.json();
+    // Sync topo
+    topo.upper = d.n_upper; topo.lower = d.n_lower;
+    syncTopoUI();
+    document.getElementById('b-alpha').innerText = `α:${d.back_alpha.toFixed(2)}`;
+    // Header
+    document.getElementById('run-dot').className =
+      `w-2 h-2 rounded-full ${d.running ? 'bg-green-400' : 'bg-slate-700'}`;
+    document.getElementById('q-lbl').innerText    = `Q:${d.queue_size}`;
+    document.getElementById('iter-lbl').innerText = `IT:${d.iter}`;
+    // Tension
+    const e   = Math.abs(d.error);
+    const col = e < 0.05 ? 'text-green-400' : e < 2 ? 'text-yellow-400' : 'text-red-400';
+    document.getElementById('err-big').className = `text-xl font-bold ${col} leading-none`;
+    document.getElementById('err-big').innerText  = d.error.toFixed(4);
+    document.getElementById('pred-val').innerText = `P:${d.prediction.toFixed(3)}`;
+    // Nodes pane — ordered top→bottom
+    const order = d.layers.flat();
+    let nh = '';
+    order.forEach(id => {
+      const n = d.nodes[id]; if (!n) return;
+      const icon = n.anchored ? '<span class="text-red-400">⊠</span>' : '<span class="text-green-500">◎</span>';
+      const vel  = `<span class="text-slate-700 text-[8px] ml-1">v:${(n.vel||0).toFixed(3)}</span>`;
+      nh += `<div class="flex justify-between items-center py-0.5 border-b border-slate-900">
+        ${icon}<span class="ml-1 text-sky-300">${id}</span>
+        <span class="text-white font-bold">${Number(n.x).toFixed(4)}</span>${vel}</div>`;
+    });
+    document.getElementById('pane-nodes').innerHTML = nh;
+    // Springs pane
+    let sh = '';
+    for (const [key, k] of Object.entries(d.springs)) {
+      const kc = k < 0 ? 'text-blue-300' : k > 4 ? 'text-yellow-200' : 'text-purple-300';
+      sh += `<div class="flex justify-between py-0.5 border-b border-slate-900">
+        <span class="text-slate-500 text-[9px]">${key}</span>
+        <span class="${kc} font-bold text-[10px]">${k.toFixed(4)}</span></div>`;
+    }
+    document.getElementById('pane-springs').innerHTML = sh;
+    // Logs
+    document.getElementById('pane-logs').innerHTML =
+      d.logs.map(l => `<div class="py-0.5 border-b border-slate-900/50">${l}</div>`).join('');
+    // Mesh plot
+    const layerKey = JSON.stringify(d.layers);
+    const traces   = buildTraces(d.nodes, d.springs, d.layers);
+    const layout   = meshLayout(d.layers);
+    if (!meshPlotted || layerKey !== lastLayerKey) {
+      Plotly.newPlot('mesh-plot', traces, layout, { displayModeBar:false, responsive:true });
+      meshPlotted = true; lastLayerKey = layerKey;
+    } else {
+      Plotly.react('mesh-plot', traces, layout);
+    }
+    // Error chart
+    const hist = d.history;
+    const eTrace = {
+      type:'scatter', mode:'lines',
+      x: hist.map((_,i)=>i), y: hist,
+      line:{ color:'#f97316', width:1.5 },
+      fill:'tozeroy', fillcolor:'rgba(249,115,22,0.07)'
+    };
+    if (!errPlotted) {
+      Plotly.newPlot('err-plot', [eTrace], ERR_LAYOUT, { displayModeBar:false, responsive:true });
+      errPlotted = true;
+    } else {
+      Plotly.react('err-plot', [eTrace], ERR_LAYOUT);
+    }
+  } catch(e) { /* silent */ }
+}, 200);
 </script>
 </body>
 </html>