SSE State Machine P0 Fixes Implemented

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{
  "id": "30917bb9-1cf3-4ea9-9869-a59d774a44a8",
  "type": "general",
  "status": "completed",
  "title": "SSE State Machine P0 Fixes Implemented",
  "description": "Eliminated direct state mutations in SSE handling to fix disconnect thrashing",
  "context": {
    "output": "<div style=\"background:#1e1e1e;color:#e0e0e0;padding:20px;border-radius:8px;font-family:'Consolas','Monaco',monospace;\">\n<h2 style=\"font-family:sans-serif;color:#fff;margin:0 0 16px 0;\">✅ SSE State Machine P0 Fixes</h2>\n\n<p style=\"color:#9ca3af;font-family:sans-serif;\">Eliminated all direct state mutations in SSE handling to prevent the disconnect thrashing issue.</p>\n\n<h3 style=\"font-family:sans-serif;color:#98c379;margin:20px 0 12px 0;\">Changes Made</h3>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h4 style=\"color:#61afef;margin:0 0 8px 0;\">1. startHeartbeat/stopHeartbeat (console-ui.ts)</h4>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li><span style=\"color:#e06c75;\">Removed:</span> <code style=\"color:#e5c07b;\">state.requestStartedAt = Date.now()</code></li>\n<li><span style=\"color:#e06c75;\">Removed:</span> <code style=\"color:#e5c07b;\">state.lastEventAt = Date.now()</code></li>\n<li><span style=\"color:#e06c75;\">Removed:</span> <code style=\"color:#e5c07b;\">dispatch({ type: 'stream_start' })</code></li>\n<li><span style=\"color:#98c379;\">Now:</span> State is set by send_prompt event handler, heartbeat just reads</li>\n</ul>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h4 style=\"color:#61afef;margin:0 0 8px 0;\">2. restoreTodoProgress (console-ui.ts)</h4>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li><span style=\"color:#e06c75;\">Before:</span> Manually set <code style=\"color:#e5c07b;\">state.currentRequestId</code>, <code style=\"color:#e5c07b;\">state.isRunning</code>, <code style=\"color:#e5c07b;\">state.connectionState</code></li>\n<li><span style=\"color:#98c379;\">Now:</span> <code style=\"color:#e5c07b;\">dispatch({ type: 'reconnect' })</code> - state machine handles it</li>\n</ul>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h4 style=\"color:#61afef;margin:0 0 8px 0;\">3. connectEventSource catch block (console-streaming.ts)</h4>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li><span style=\"color:#e06c75;\">Before:</span> <code style=\"color:#e5c07b;\">state.connectionState = 'polling'</code>, <code style=\"color:#e5c07b;\">state.lastEventAt = Date.now()</code></li>\n<li><span style=\"color:#98c379;\">Now:</span> <code style=\"color:#e5c07b;\">dispatch({ type: 'reconnect' })</code> - proper state machine flow</li>\n</ul>\n</div>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-bottom:16px;\">\n<h4 style=\"color:#61afef;margin:0 0 8px 0;\">4. New close_eventsource effect (console-state-effects.ts)</h4>\n<ul style=\"margin:0;padding-left:20px;line-height:1.8;\">\n<li>Added to <code style=\"color:#c678dd;\">send_prompt</code> - close before new request</li>\n<li>Added to <code style=\"color:#c678dd;\">reset</code> - close on session cleanup</li>\n<li>Added to <code style=\"color:#c678dd;\">completeRequest</code> - close when done</li>\n<li>Also added to <code style=\"color:#c678dd;\">stop_polling</code> effect</li>\n</ul>\n</div>\n\n<h3 style=\"font-family:sans-serif;color:#98c379;margin:20px 0 12px 0;\">Files Changed</h3>\n<pre style=\"background:#2d2d2d;padding:12px;border-radius:6px;overflow-x:auto;\">\n<span style=\"color:#98c379;\">konui/src/console-state-effects.ts</span>    │ <span style=\"color:#61afef;\">+9</span>\n<span style=\"color:#98c379;\">konui/src/console-state-machine-js.ts</span> │ <span style=\"color:#61afef;\">+3</span>\n<span style=\"color:#98c379;\">konui/src/console-streaming.ts</span>        │ <span style=\"color:#e06c75;\">-5</span> <span style=\"color:#61afef;\">+7</span>\n<span style=\"color:#98c379;\">konui/src/console-ui.ts</span>               │ <span style=\"color:#e06c75;\">-22</span> <span style=\"color:#61afef;\">+20</span>\n</pre>\n\n<h3 style=\"font-family:sans-serif;color:#98c379;margin:20px 0 12px 0;\">Test Results</h3>\n<div style=\"background:#2d2d2d;padding:12px;border-radius:6px;\">\n<span style=\"color:#98c379;\">✓</span> 27 tests passed (konui)\n</div>\n\n<h3 style=\"font-family:sans-serif;color:#98c379;margin:20px 0 12px 0;\">Commit</h3>\n<pre style=\"background:#2d2d2d;padding:12px;border-radius:6px;font-size:0.9em;\"><span style=\"color:#e5c07b;\">af19dec0</span> Turn: Eliminate direct state mutations in SSE handling</pre>\n\n<div style=\"background:#2d2d2d;padding:16px;border-radius:6px;margin-top:16px;\">\n<h4 style=\"margin:0 0 8px 0;color:#fff;\">What's Next?</h4>\n<p style=\"color:#9ca3af;margin:0;\">These P0 fixes ensure all state flows through the state machine. The max retry limit added in the previous commit (5c49a227) combined with these fixes should eliminate the disconnect thrashing.</p>\n</div>\n</div>",
    "requestedAt": "2026-01-07T09:08:00.000Z",
    "requestId": "2a91d0b6-64cf-417f-8336-30f1b9d2722d",
    "choices": [
      {
        "label": "Restart konui",
        "value": "Restart konui to apply the SSE fixes",
        "primary": true
      },
      {
        "label": "View diff",
        "value": "Show me the full git diff for the SSE fixes"
      },
      {
        "label": "Test manually",
        "value": "Help me test the SSE reconnection manually"
      }
    ],
    "turnTiming": {
      "totalMs": 247806,
      "ttfeMs": 4086,
      "thinkingMs": 243715,
      "toolExecutionMs": 0,
      "toolCallCount": 0,
      "thinkingPct": 98,
      "toolsPct": 0,
      "ttfePct": 2
    }
  },
  "createdBy": "claude",
  "createdAt": "2026-01-07T09:11:45.603Z",
  "updatedAt": "2026-01-07T09:11:50.329Z",
  "requestId": "2a91d0b6-64cf-417f-8336-30f1b9d2722d",
  "scope": "vibetools",
  "tags": [
    "konsole",
    "sse",
    "state-machine",
    "performance"
  ],
  "targetUser": "claude"
}