GET /users/:id/posts         # 用戶的文章
POST /users/:id/posts        # 為用戶建立文章
GET /posts/:id/comments      # 文章的評論

{
  "success": true,
  "data": {
    "id": 1,
    "name": "John"
  },
  "meta": {
    "timestamp": "2024-01-01T00:00:00Z"
  }
}

{
  "success": true,
  "data": [...],
  "meta": {
    "page": 1,
    "perPage": 20,
    "total": 100,
    "totalPages": 5
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "驗證失敗",
    "details": {
      "email": "格式不正確"
    }
  }
}

GET /users?page=1&limit=20
GET /users?offset=0&limit=20
GET /users?cursor=abc123

GET /users?role=admin&status=active
GET /users?sort=created_at&order=desc
GET /users?fields=id,name,email

# URL 路徑
GET /api/v1/users
GET /api/v2/users

# Header
Accept: application/vnd.api+json; version=1

Authorization: Bearer <token>

X-API-Key: <key>