JavaScript in Kontask Cards

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{
  "id": "020889e2-97b1-459a-8cec-ed18d1cb9c36",
  "type": "general",
  "status": "completed",
  "title": "JavaScript in Kontask Cards",
  "description": "Analysis of executing Claude-generated JS for interactive kontasks",
  "context": {
    "output": "<div style=\"background:#030712;color:#e5e7eb;padding:24px;border-radius:12px;font-family:system-ui,-apple-system,sans-serif;\">\n<h2 style=\"margin:0 0 20px 0;color:#fff;\">⚡ Could Claude Output JavaScript for Kontasks?</h2>\n\n<div style=\"background:#22c55e20;border:1px solid #22c55e;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 8px 0;color:#22c55e;\">✓ Yes, Technically Simple!</h3>\n<p style=\"margin:0;color:#e5e7eb;\">Claude can output <code style=\"background:#0f172a;padding:2px 6px;border-radius:4px;\">&lt;script&gt;</code> tags with vanilla JS. The dashboard just needs to <strong>execute</strong> them instead of stripping them.</p>\n</div>\n\n<div style=\"background:#1e293b;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 12px 0;color:#a78bfa;\">Current vs Proposed</h3>\n<table style=\"width:100%;border-collapse:collapse;\">\n<tr style=\"border-bottom:1px solid #374151;\">\n<td style=\"padding:12px;color:#9ca3af;width:25%;\">Now</td>\n<td style=\"padding:12px;color:#ef4444;\"><code style=\"background:#0f172a;padding:2px 6px;border-radius:4px;\">innerHTML</code> strips &lt;script&gt; tags (browser security)</td>\n</tr>\n<tr>\n<td style=\"padding:12px;color:#9ca3af;\">With JS</td>\n<td style=\"padding:12px;color:#22c55e;\">Dashboard extracts scripts, runs via <code style=\"background:#0f172a;padding:2px 6px;border-radius:4px;\">eval()</code> or <code style=\"background:#0f172a;padding:2px 6px;border-radius:4px;\">new Function()</code></td>\n</tr>\n</table>\n</div>\n\n<div style=\"background:#1e293b;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 12px 0;color:#3b82f6;\">Example: Tabs with Vanilla JS</h3>\n<pre style=\"background:#0f172a;padding:12px;border-radius:6px;font-size:0.85rem;color:#a5b4fc;overflow-x:auto;line-height:1.6;\"><span style=\"color:#7f848e;\">// Claude would output this HTML:</span>\n&lt;div class=\"tabs\"&gt;\n  &lt;button onclick=\"showTab('steps')\"&gt;Steps&lt;/button&gt;\n  &lt;button onclick=\"showTab('deps')\"&gt;Dependencies&lt;/button&gt;\n&lt;/div&gt;\n&lt;div id=\"steps\"&gt;...content...&lt;/div&gt;\n&lt;div id=\"deps\" style=\"display:none\"&gt;...content...&lt;/div&gt;\n\n&lt;script&gt;\nfunction showTab(id) {\n  document.querySelectorAll('.tab-content').forEach(el =&gt; el.style.display = 'none');\n  document.getElementById(id).style.display = 'block';\n}\n&lt;/script&gt;</pre>\n</div>\n\n<div style=\"background:#1e293b;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 12px 0;color:#f59e0b;\">⚠️ Security Considerations</h3>\n<table style=\"width:100%;border-collapse:collapse;font-size:0.9rem;\">\n<tr style=\"background:#0f172a;\">\n<th style=\"padding:10px;text-align:left;color:#fff;\">Risk</th>\n<th style=\"padding:10px;text-align:left;color:#fff;\">Severity</th>\n<th style=\"padding:10px;text-align:left;color:#fff;\">Mitigation</th>\n</tr>\n<tr style=\"border-bottom:1px solid #374151;\">\n<td style=\"padding:10px;color:#e5e7eb;\">XSS from Claude output</td>\n<td style=\"padding:10px;color:#f59e0b;\">Medium</td>\n<td style=\"padding:10px;color:#9ca3af;\">Claude is trusted source (not user input)</td>\n</tr>\n<tr style=\"border-bottom:1px solid #374151;\">\n<td style=\"padding:10px;color:#e5e7eb;\">Malicious kontask injection</td>\n<td style=\"padding:10px;color:#f59e0b;\">Medium</td>\n<td style=\"padding:10px;color:#9ca3af;\">kontasks.jsonl is server-side, auth-protected</td>\n</tr>\n<tr style=\"border-bottom:1px solid #374151;\">\n<td style=\"padding:10px;color:#e5e7eb;\">Accidental infinite loop</td>\n<td style=\"padding:10px;color:#22c55e;\">Low</td>\n<td style=\"padding:10px;color:#9ca3af;\">Run in iframe sandbox or Web Worker</td>\n</tr>\n<tr>\n<td style=\"padding:10px;color:#e5e7eb;\">DOM manipulation conflicts</td>\n<td style=\"padding:10px;color:#22c55e;\">Low</td>\n<td style=\"padding:10px;color:#9ca3af;\">Scope scripts to kontask container</td>\n</tr>\n</table>\n</div>\n\n<div style=\"background:#1e293b;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 12px 0;color:#ec4899;\">Implementation Approaches</h3>\n\n<div style=\"margin-bottom:12px;padding:12px;background:#0f172a;border-radius:6px;border-left:3px solid #22c55e;\">\n<h4 style=\"margin:0 0 6px 0;color:#22c55e;\">Simple: Extract & Eval</h4>\n<pre style=\"background:#1e293b;padding:8px;border-radius:4px;margin:4px 0 0 0;font-size:0.8rem;color:#a5b4fc;\">// In dashboard after setting innerHTML:\ncontainer.querySelectorAll('script').forEach(s => eval(s.textContent));</pre>\n</div>\n\n<div style=\"margin-bottom:12px;padding:12px;background:#0f172a;border-radius:6px;border-left:3px solid #f59e0b;\">\n<h4 style=\"margin:0 0 6px 0;color:#f59e0b;\">Safer: Scoped Function</h4>\n<pre style=\"background:#1e293b;padding:8px;border-radius:4px;margin:4px 0 0 0;font-size:0.8rem;color:#a5b4fc;\">// Scope to kontask container only:\nnew Function('container', scriptContent)(kontaskDiv);</pre>\n</div>\n\n<div style=\"padding:12px;background:#0f172a;border-radius:6px;border-left:3px solid #8b5cf6;\">\n<h4 style=\"margin:0 0 6px 0;color:#8b5cf6;\">Safest: Shadow DOM Isolation</h4>\n<pre style=\"background:#1e293b;padding:8px;border-radius:4px;margin:4px 0 0 0;font-size:0.8rem;color:#a5b4fc;\">// Render kontask in shadow DOM:\nconst shadow = kontaskDiv.attachShadow({mode: 'closed'});\nshadow.innerHTML = claudeHtml; // Scripts execute in isolation</pre>\n</div>\n</div>\n\n<div style=\"background:#1e293b;padding:16px;border-radius:8px;margin-bottom:20px;\">\n<h3 style=\"margin:0 0 12px 0;color:#fff;\">🎯 Quick Win Implementation</h3>\n<p style=\"margin:0 0 12px 0;color:#e5e7eb;\">Simplest path to working tabs:</p>\n<ol style=\"margin:0;padding-left:20px;color:#9ca3af;line-height:1.8;\">\n<li>Update <code style=\"background:#0f172a;padding:2px 4px;border-radius:3px;\">konui/src/views/layout.ts</code> to extract &lt;script&gt; from kontask output</li>\n<li>Execute scripts after innerHTML with scoped context</li>\n<li>Claude outputs HTML + inline JS for tabs</li>\n<li>~20 lines of code change</li>\n</ol>\n</div>\n\n<div style=\"background:#0f172a;padding:16px;border-radius:8px;border:1px dashed #374151;\">\n<h4 style=\"margin:0 0 8px 0;color:#22c55e;\">💡 This is Actually Easier Than React</h4>\n<p style=\"margin:0;color:#9ca3af;font-size:0.9rem;\">Vanilla JS in &lt;script&gt; tags is simpler than React/Babel. Just extract scripts and eval. Could implement this in 30 minutes.</p>\n</div>\n</div>",
    "requestedAt": "2026-01-07T21:17:00Z",
    "requestId": "afa550b2-b743-4e37-9a62-a4b6ca737131",
    "choices": [
      {
        "label": "Implement now",
        "value": "Implement JavaScript execution in kontask cards - update konui to extract and run scripts from Claude's HTML output",
        "primary": true
      },
      {
        "label": "Test with tabs first",
        "value": "Create a test kontask with inline JavaScript tabs to see what happens currently before making changes"
      },
      {
        "label": "Shadow DOM approach",
        "value": "Implement the safer Shadow DOM isolation approach for kontask scripts"
      }
    ],
    "turnTiming": {
      "totalMs": 40126,
      "ttfeMs": 90,
      "thinkingMs": 40036,
      "toolExecutionMs": 0,
      "toolCallCount": 0,
      "thinkingPct": 100,
      "toolsPct": 0,
      "ttfePct": 0
    }
  },
  "createdBy": "claude",
  "createdAt": "2026-01-06T23:16:43.331Z",
  "updatedAt": "2026-01-06T23:16:49.642Z",
  "requestId": "afa550b2-b743-4e37-9a62-a4b6ca737131",
  "scope": "vibetools",
  "tags": [
    "kontasks",
    "ui",
    "javascript",
    "security"
  ],
  "targetUser": "claude"
}