{
  "story_id": "story_nana_demo",
  "current_node": "node_001",
  "current_branch": "branch_main",
  "world_flags": {},
  "relationships": {
    "nana->player": {
      "affinity": 48,
      "trust": 34,
      "hope": 31,
      "respect": 45,
      "intimacy": 26,
      "attachment": 42
    }
  },
  "relationship_states": [],
  "promises": [],
  "knowledge": [
    {
      "id": "knowledge_station_clock",
      "observer": "player",
      "subject": "停摆的站钟",
      "fact": "站钟停在四点十七分，似乎并非自然损坏。",
      "certainty": "confirmed",
      "source": "玩家进入站台时亲眼观察",
      "learned_at": "node_001",
      "last_verified_at": "node_001"
    }
  ],
  "items": [
    {
      "id": "item_flashlight_001",
      "spec_ref": "nana.item.old_flashlight",
      "owner": "player",
      "holder": "player",
      "placement": "bag",
      "quantity": 1,
      "condition": "worn",
      "state_tags": [],
      "acquisition": {
        "mode": "initial",
        "from": null,
        "at_node": "node_001"
      }
    }
  ],
  "clocks": [
    {
      "id": "clock_dawn",
      "label": "天亮逼近",
      "value": 0,
      "max": 6
    }
  ],
  "checks": []
}