修复数据清洗index越界错误；重命名压力流量清洗方法

app/infra/audit/middleware.py

@@ -9,6 +9,7 @@ import json
 from typing import Callable
 from fastapi import Request, Response
 from starlette.middleware.base import BaseHTTPMiddleware
+from app.infra.db.postgresql.database import db as default_db
 from app.core.audit import log_audit_event, AuditAction
 import logging
 
@@ -135,6 +136,7 @@ class AuditMiddleware(BaseHTTPMiddleware):
                     if response.status_code < 400
                     else f"HTTP {response.status_code}"
                 ),
+                db=default_db,
             )
         except Exception as e:
             # 审计失败不应影响响应