{
  "bsonType": "object",
  "required": ["src"],
  "permission": {
    "read": true, 
    "create": "auth.uid != null",
    "update": false,
    "delete": false
  },
  "properties": {
    "_id": {
      "description": "ID，系统自动生成"
    },
	
    "src": {
      "bsonType": "string",
      "description": "资源地址（支持云存储 ID 或外部链接）",
      "format": "url", 
      "pattern": "^(cloud://|http://|https://)", 
      "trim": true,
      "maxLength": 512,
      "errorMessage": {
        "format": "URL 格式无效，示例：cloud://example.jpg 或 https://example.com/image.jpg",
        "pattern": "仅支持云存储路径(cloud://)或 HTTP/HTTPS 链接"
      }
    },
	"name": {
		"bsonType": "string",
		"description": "模板名",
		"trim": true,
		"minLength": 1,
		"maxLength": 64
	}
  }
}