{
  "phases": [
    {
      "key": "implement-a",
      "title": "Implement first fake change",
      "objective": "First planned phase for replay serialization tests.",
      "roles": ["spec_writer"],
      "expectedArtifact": {
        "path": "artifacts/implementation-a-spec.json",
        "schema": "dev/spec@1"
      },
      "gates": [],
      "tasks": [
        {
          "id": "TASK-A",
          "title": "Apply first implementation",
          "role": "spec_writer",
          "writeSet": ["src/a/**"],
          "dependsOn": []
        }
      ]
    },
    {
      "key": "implement-b",
      "title": "Implement second fake change",
      "objective": "Second planned phase for replay serialization tests.",
      "roles": ["spec_writer"],
      "expectedArtifact": {
        "path": "artifacts/implementation-b-spec.json",
        "schema": "dev/spec@1"
      },
      "gates": [],
      "tasks": [
        {
          "id": "TASK-B",
          "title": "Apply second implementation",
          "role": "spec_writer",
          "writeSet": ["src/b/**"],
          "dependsOn": ["TASK-A"]
        }
      ]
    }
  ]
}