{
  "_comment": "task-2556 §4 GEMINI_STALE_ON_HEAD fixture — follow-up commit 후 stale 자동 trigger.",
  "_scenario": "PR 가 follow-up commit 받으면서 head_sha 가 변경됨. 가장 최근 Gemini review 의 commit_id 는 이전 head 를 가리킴. scheduler 는 GEMINI_STALE_ON_HEAD 진단 → owner trigger.",
  "now": "2026-05-12T12:30:00+00:00",
  "snapshot": {
    "number": 108,
    "head_sha": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
    "head_ref": "task/task-2556-dev5",
    "created_at": "2026-05-12T10:00:00+00:00",
    "gemini_reviews": [
      {
        "commit_id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "submitted_at": "2026-05-12T10:15:00+00:00"
      }
    ],
    "ci_required_all_success": true,
    "state": "OPEN",
    "author_is_bot": true
  },
  "expected_diagnosis": {
    "state": "GEMINI_STALE_ON_HEAD",
    "task_id": "task-2556",
    "latest_gemini_commit_id": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
    "head_sha": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
    "requires_owner_trigger": true
  },
  "expected_scheduler_action": "OWNER_TRIGGER_DISPATCHED"
}