{
  "request": {
    "storyId": "story_nana_demo",
    "branchId": "branch_main",
    "expectedNodeId": "node_001",
    "actionId": "action_002",
    "intent": "speak_or_act",
    "input": "这里以前发生过什么？"
  },
  "expected": {
    "committedNodeId": "node_002",
    "stateOps": [],
    "beatKinds": ["action", "dialogue"]
  }
}