feat: check（内容审核），记录成功的调用结果

app/routers/moderation.py

@@ -305,6 +305,15 @@ async def moderate_content(request: ModerationRequest):
             )
             raise HTTPException(status_code=500, detail="内容审核结果解析失败，请重试")
 
+    # 成功路径：记录审核结果
+    save_chat_log(
+        user_id="moderation",
+        question=log_target,
+        stream_mode=True,
+        raw_response=accumulated,
+        status="success",
+    )
+
     return ModerationResponse(sensitive=is_sensitive)