{
  "game_id": "watershed-YYYY-MM-DD",
  "phase": "planning | action | resolution | archive",
  "round": 1,
  "turn": "player-uuid",
  "watershed_health": {
    "water_quality": 75,
    "biodiversity": 60,
    "community_trust": 80,
    "flow_rate": 45
  },
  "actions": {
    "proposed": [],
    "active": [],
    "resolved": []
  },
  "visitors": {
    "list": ["uuid1", "uuid2"],
    "presence": { "uuid1": true, "uuid2": false }
  }
}