Implemented: Persistent Turn Event Store

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{
  "id": "63302b2b-d758-4b44-b1a4-cb203d9e56a8",
  "type": "general",
  "status": "completed",
  "title": "Implemented: Persistent Turn Event Store",
  "description": "Added JSONL persistence for WebSocket turn events with 48-hour retention and disk-based recovery",
  "context": {
    "output": "<div style=\"background:#1e1e1e;color:#e0e0e0;padding:20px;border-radius:8px;font-family:'Consolas','Monaco',monospace;\"><h2 style=\"font-family:sans-serif;color:#fff;margin:0 0 16px 0;\">✅ Persistent Turn Event Store Implemented</h2><div style=\"background:#22c55e20;border:1px solid #22c55e;padding:12px;border-radius:6px;margin-bottom:16px;\"><strong style=\"color:#22c55e;\">Commit:</strong> <code style=\"background:#2d2d2d;padding:2px 8px;border-radius:3px;\">80f92ee7</code><br/><strong style=\"color:#22c55e;\">Tests:</strong> 84 passed ✓</div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\"><h3 style=\"color:#3b82f6;margin:0 0 12px 0;\">New Architecture</h3><pre style=\"background:#1e1e1e;padding:12px;border-radius:6px;overflow-x:auto;line-height:1.6;\"><span style=\"color:#c678dd;\">konui/data/turn-events/</span>\n├── <span style=\"color:#61afef;\">{username}/</span>\n│   ├── <span style=\"color:#e5c07b;\">{requestId}.jsonl</span>   <span style=\"color:#7f848e;\"># Append-only event log</span>\n│   └── <span style=\"color:#e5c07b;\">{requestId}.meta.json</span> <span style=\"color:#7f848e;\"># Turn status & timestamps</span>\n└── <span style=\"color:#98c379;\">...</span></pre></div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\"><h3 style=\"color:#22c55e;margin:0 0 12px 0;\">What's Fixed</h3><table style=\"width:100%;border-collapse:collapse;\"><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:8px 0;color:#9ca3af;\">Before</td><td style=\"padding:8px;\"><span style=\"color:#ef4444;\">✗</span> Events deleted when turn ends - lost if browser disconnected</td></tr><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:8px 0;color:#9ca3af;\">After</td><td style=\"padding:8px;\"><span style=\"color:#22c55e;\">✓</span> Events persisted to JSONL, retained 48 hours for recovery</td></tr><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:8px 0;color:#9ca3af;\">Before</td><td style=\"padding:8px;\"><span style=\"color:#ef4444;\">✗</span> Server restart = all buffered events lost</td></tr><tr><td style=\"padding:8px 0;color:#9ca3af;\">After</td><td style=\"padding:8px;\"><span style=\"color:#22c55e;\">✓</span> Events on disk survive server restart</td></tr></table></div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\"><h3 style=\"color:#8b5cf6;margin:0 0 12px 0;\">Files Changed</h3><table style=\"width:100%;border-collapse:collapse;font-size:0.9rem;\"><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:6px 0;\"><span style=\"color:#98c379;\">+</span> <code>turn-event-store.ts</code></td><td style=\"padding:6px;color:#7f848e;\">New module - JSONL persistence, cleanup job, recovery API</td></tr><tr><td style=\"padding:6px 0;\"><span style=\"color:#e5c07b;\">M</span> <code>console-websocket.ts</code></td><td style=\"padding:6px;color:#7f848e;\">Integrated disk writes in startTurn, sendEvent, endTurn, handleUpgrade</td></tr></table></div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\"><h3 style=\"color:#f59e0b;margin:0 0 12px 0;\">Recovery Flow</h3><pre style=\"background:#1e1e1e;padding:12px;border-radius:6px;overflow-x:auto;line-height:1.6;\"><span style=\"color:#7f848e;\">1.</span> <span style=\"color:#98c379;\">User sends prompt</span> → Turn starts, events written to disk\n<span style=\"color:#7f848e;\">2.</span> <span style=\"color:#f59e0b;\">Browser disconnects</span> → Events keep appending to JSONL\n<span style=\"color:#7f848e;\">3.</span> <span style=\"color:#22c55e;\">Turn completes</span> → Meta updated to \"completed\", events preserved\n<span style=\"color:#7f848e;\">4.</span> <span style=\"color:#3b82f6;\">Browser reconnects</span> → handleUpgrade checks for undelivered turns\n<span style=\"color:#7f848e;\">5.</span> <span style=\"color:#c678dd;\">Full replay</span> → All events + turn_end sent, marked \"delivered\"</pre></div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\"><h3 style=\"color:#06b6d4;margin:0 0 12px 0;\">Configuration</h3><table style=\"width:100%;border-collapse:collapse;font-size:0.9rem;\"><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:6px 0;color:#9ca3af;\">Retention</td><td style=\"padding:6px;\">48 hours (configurable in turn-event-store.ts)</td></tr><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:6px 0;color:#9ca3af;\">Cleanup</td><td style=\"padding:6px;\">Hourly job removes expired turns</td></tr><tr style=\"border-bottom:1px solid #4b5563;\"><td style=\"padding:6px 0;color:#9ca3af;\">Max events/turn</td><td style=\"padding:6px;\">5000 (safety limit)</td></tr><tr><td style=\"padding:6px 0;color:#9ca3af;\">Storage</td><td style=\"padding:6px;\"><code>/konnectvol/konui/data/turn-events/</code></td></tr></table></div><div style=\"background:#2d2d2d;padding:16px;border-radius:6px;\"><h4 style=\"margin:0 0 8px 0;color:#fff;\">Next Steps</h4><p style=\"color:#9ca3af;margin:0 0 8px 0;\">Phase 1 complete. Remaining phases for full reliability:</p><ul style=\"margin:0;padding-left:20px;color:#9ca3af;\"><li><strong>Phase 2:</strong> Client-side delivery confirmation (ack after turn_end)</li><li><strong>Phase 3:</strong> State machine improvements for recovery UX</li></ul></div></div>",
    "requestedAt": "2026-01-08T00:15:00.000Z",
    "requestId": "92032e76-2496-45e2-883c-999adc329a3f",
    "commitSha": "80f92ee7",
    "choices": [
      {
        "label": "Restart konui",
        "value": "Restart konui service to apply the persistent turn event store changes",
        "primary": true
      },
      {
        "label": "Test recovery",
        "value": "Walk me through how to test the turn recovery by disconnecting mid-turn"
      },
      {
        "label": "Implement Phase 2",
        "value": "Implement Phase 2: Client-side delivery confirmation with ack messages"
      },
      {
        "label": "View the diff",
        "value": "Show the full git diff for commit 80f92ee7"
      }
    ],
    "turnTiming": {
      "totalMs": 329099,
      "ttfeMs": 47,
      "thinkingMs": 329052,
      "toolExecutionMs": 0,
      "toolCallCount": 0,
      "thinkingPct": 100,
      "toolsPct": 0,
      "ttfePct": 0
    }
  },
  "createdBy": "claude",
  "createdAt": "2026-01-08T09:01:14.555Z",
  "updatedAt": "2026-01-08T09:01:21.734Z",
  "requestId": "92032e76-2496-45e2-883c-999adc329a3f",
  "scope": "vibetools",
  "tags": [
    "websocket",
    "console",
    "recovery",
    "architecture"
  ],
  "targetUser": "claude"
}