重构数据库连接管理，添加元数据支持

app/domain/schemas/audit.py

@@ -1,45 +1,42 @@
 from datetime import datetime
-from typing import Optional, Any
+from typing import Optional
+from uuid import UUID
 from pydantic import BaseModel, ConfigDict, Field
 
 class AuditLogCreate(BaseModel):
     """创建审计日志"""
-    user_id: Optional[int] = None
-    username: Optional[str] = None
+    user_id: Optional[UUID] = None
+    project_id: Optional[UUID] = None
     action: str
     resource_type: Optional[str] = None
     resource_id: Optional[str] = None
     ip_address: Optional[str] = None
-    user_agent: Optional[str] = None
     request_method: Optional[str] = None
     request_path: Optional[str] = None
     request_data: Optional[dict] = None
     response_status: Optional[int] = None
-    error_message: Optional[str] = None
 
 class AuditLogResponse(BaseModel):
     """审计日志响应"""
-    id: int
-    user_id: Optional[int]
-    username: Optional[str]
+    id: UUID
+    user_id: Optional[UUID]
+    project_id: Optional[UUID]
     action: str
     resource_type: Optional[str]
     resource_id: Optional[str]
     ip_address: Optional[str]
-    user_agent: Optional[str]
     request_method: Optional[str]
     request_path: Optional[str]
     request_data: Optional[dict]
     response_status: Optional[int]
-    error_message: Optional[str]
     timestamp: datetime
     
     model_config = ConfigDict(from_attributes=True)
 
 class AuditLogQuery(BaseModel):
     """审计日志查询参数"""
-    user_id: Optional[int] = None
-    username: Optional[str] = None
+    user_id: Optional[UUID] = None
+    project_id: Optional[UUID] = None
     action: Optional[str] = None
     resource_type: Optional[str] = None
     start_time: Optional[datetime] = None