[
  {
    "name": "heaven setup awaiting stock selection",
    "method": "GET",
    "endpoint": "/api/heaven/setup?trade_date=2026-07-29",
    "payload": null
  },
  {
    "name": "trend interpretation history",
    "method": "GET",
    "endpoint": "/api/heaven/readings?mode=trend&limit=20",
    "payload": null
  },
  {
    "name": "fortune interpretation history",
    "method": "GET",
    "endpoint": "/api/heaven/readings?mode=fortune&limit=20",
    "payload": null
  },
  {
    "name": "heart interpretation history",
    "method": "GET",
    "endpoint": "/api/heaven/readings?mode=heart&limit=20",
    "payload": null
  },
  {
    "name": "six-line hexagram calculation",
    "method": "POST",
    "endpoint": "/api/heaven/hexagram",
    "payload": {
      "lines": [7, 8, 9, 6, 7, 8]
    }
  },
  {
    "name": "personal five-phase calculation",
    "method": "POST",
    "endpoint": "/api/heaven/personal",
    "payload": {
      "trade_date": "2026-07-29"
    }
  }
]