{
  "issueNumber": 234,
  "branchName": "fix/234-replan-invalidate-cache",
  "generatedAt": "2026-04-02T12:00:00Z",
  "stories": [
    {
      "id": "S1",
      "title": "Add replanAttempt column to TaskEntity and resetForReplan() to TaskStateService",
      "priority": 1,
      "dependsOn": [],
      "acceptanceCriteria": [
        "TaskEntity has replanAttempt integer column with default 0",
        "resetForReplan() resets all phases, nullifies prNumber/prBranch, increments replanAttempt",
        "Unit tests cover resetForReplan happy path and idempotent re-entry"
      ],
      "passes": false,
      "completedAt": null
    },
    {
      "id": "S2",
      "title": "Add clearPlanArtefacts() to ArtefactsService and update DirectiveService replan handler",
      "priority": 2,
      "dependsOn": [
        "S1"
      ],
      "acceptanceCriteria": [
        "clearPlanArtefacts removes plan.md, context.json, prd.json from task plan directory",
        "Replan handler uses resetForReplan(), calls clearPlanArtefacts(), records replan_attempt event",
        "Open PR gets superseded comment before closing",
        "Closed/merged PR is left untouched",
        "No-op when no prior artefacts exist"
      ],
      "passes": false,
      "completedAt": null
    },
    {
      "id": "S3",
      "title": "Update restart handler to clear PR state and add comprehensive tests",
      "priority": 3,
      "dependsOn": [
        "S1"
      ],
      "acceptanceCriteria": [
        "Restart directive clears prNumber and prBranch",
        "Restart closes open PR with superseded comment if exists",
        "Unit tests cover: restart clears PR, replan increments counter, no-op with no prior state",
        "npm run test and npm run lint pass"
      ],
      "passes": false,
      "completedAt": null
    }
  ]
}