{
  "issueNumber": 440,
  "branchName": "feat/440-refactor-invoke-bullmq",
  "generatedAt": "2026-04-12T12:00:00Z",
  "stories": [
    {
      "id": "S1",
      "title": "Create InvocationResultListener — BullMQ processor for phase-result queue with waitForResult promise map",
      "priority": 1,
      "dependsOn": [],
      "acceptanceCriteria": [
        "InvocationResultListener is a @Processor('phase-result') class",
        "waitForResult(jobId, timeoutMs) returns a promise that resolves with worker result payload",
        "Unmatched jobIds log a warning and do not throw",
        "Timeout rejects with a descriptive error"
      ],
      "passes": false,
      "completedAt": null
    },
    {
      "id": "S2",
      "title": "Refactor ClaudeInvocationService.invoke() — replace spawn with queue enqueue + await result + file-based signal parsing",
      "priority": 2,
      "dependsOn": [
        "S1"
      ],
      "acceptanceCriteria": [
        "invoke() no longer imports or calls child_process.spawn",
        "invoke() enqueues a job to phase-invoke BullMQ queue with all required payload fields",
        "invoke() awaits result from InvocationResultListener.waitForResult(jobId, CLAUDE_TIMEOUT_SECS + 100s)",
        "Signal parsing reads from {TASK_DIR}/meta/ai-output.jsonl",
        "Returns identical SignalResult interface to callers",
        "Missing ai-output.jsonl returns empty string for signal detection"
      ],
      "passes": false,
      "completedAt": null
    },
    {
      "id": "S3",
      "title": "Update InvokeModule — register BullMQ queues and InvocationResultListener provider",
      "priority": 3,
      "dependsOn": [
        "S1",
        "S2"
      ],
      "acceptanceCriteria": [
        "InvokeModule imports BullModule.registerQueue for phase-invoke and phase-result",
        "InvocationResultListener is registered as a provider",
        "npm run build passes"
      ],
      "passes": false,
      "completedAt": null
    },
    {
      "id": "S4",
      "title": "Update tests — replace spawn mocks with BullMQ queue mocks, add edge case coverage",
      "priority": 4,
      "dependsOn": [
        "S2",
        "S3"
      ],
      "acceptanceCriteria": [
        "All existing signal/mapping tests pass with mocked queues",
        "New test: timeout propagation from waitForResult",
        "New test: missing ai-output.jsonl returns blocked/transient",
        "npm run test passes",
        "npm run lint passes"
      ],
      "passes": false,
      "completedAt": null
    }
  ]
}