{
  "feature_id": "REPLACE_ME",
  "contract_version": 1,
  "subtasks": [
    {
      "id": "T-001",
      "title": "替换成一项可以独立验证的行为",
      "status": "PENDING",
      "evidence_ids": ["E-001"],
      "depends_on": [],
      "allowed_paths": ["src/待替换路径"],
      "intent": "描述最小且完整的实现改动。",
      "acceptance_ids": ["AC-001"],
      "checks": ["替换成仓库真实命令"],
      "browser_checks": ["描述一条可观察的浏览器断言。"],
      "rollback": "描述如何安全关闭或回滚本子任务。"
    }
  ]
}