{
  "schema_version": "1.0",
  "description": "缓冲层消息格式定义",
  "fields": {
    "message_id": {
      "type": "string",
      "pattern": "BUF-[timestamp]-[random]",
      "required": true,
      "description": "唯一消息标识"
    },
    "dev_id": {
      "type": "string",
      "pattern": "DEV-XXX",
      "required": true,
      "description": "开发者编号"
    },
    "source": {
      "type": "string",
      "enum": ["gemini", "notion", "github", "skyeye"],
      "required": true,
      "description": "消息来源"
    },
    "type": {
      "type": "string",
      "enum": ["interaction", "task", "feedback", "checkin", "broadcast_request"],
      "required": true,
      "description": "消息类型"
    },
    "priority": {
      "type": "string",
      "enum": ["normal", "urgent"],
      "default": "normal",
      "description": "优先级"
    },
    "payload": {
      "type": "object",
      "required": true,
      "description": "消息负载数据"
    },
    "created_at": {
      "type": "string",
      "format": "ISO-8601",
      "required": true,
      "description": "创建时间"
    },
    "status": {
      "type": "string",
      "enum": ["pending", "staged", "processing", "flushed", "failed"],
      "default": "pending",
      "description": "消息状态"
    }
  },
  "example": {
    "message_id": "BUF-20260323-a1b2c3",
    "dev_id": "DEV-001",
    "source": "gemini",
    "type": "interaction",
    "priority": "normal",
    "payload": {
      "summary": "示例消息"
    },
    "created_at": "2026-03-23T09:00:00Z",
    "status": "pending"
  }
}