保存与历史

POST /api/v1/food/save
Authorization: Bearer <access_token>
Content-Type: application/json

{
  "name":      "番茄炒蛋",
  "category":  "主菜",
  "calories":  380,
  "time":      "12:30:00",
  "date":      "2026-05-22",
  "image_url": "https://...",
  "nutrition": [],
  "nut":       [],
  "advice":    ["..."]
}

GET /api/v1/food/history

DELETE /api/v1/food/delete/<food_id>

GET /food/get_recognized?date=YYYY-MM-DD