feat: Add specific rate limit error messages for ZIP task analysis, instant analysis, and repository scanning.

backend/app/api/v1/endpoints/scan.py

@@ -164,6 +164,11 @@ async def process_zip_task(task_id: str, file_path: str, db_session_factory, use
                         except Exception as e:
                             if attempt < MAX_RETRIES - 1:
                                 wait_time = (attempt + 1) * 2
+                                # 特殊处理限流错误提示
+                                error_str = str(e)
+                                if "429" in error_str or "rate limit" in error_str.lower() or "额度不足" in error_str:
+                                    print(f"🚫 [限流提示] ZIP任务分析文件触发 LLM 频率限制 (429)，建议在设置中降低并发数或增加请求间隔。文件: {f_path}")
+                                
                                 print(f"⚠️ ZIP任务分析文件失败 ({f_path}), 正在进行第 {attempt+1} 次重试... 错误: {e}")
                                 await asyncio.sleep(wait_time)
                                 continue
@@ -487,6 +492,8 @@ async def instant_analysis(
     except Exception as e:
         # 分析失败，返回错误信息
         error_msg = str(e)
+        if "429" in error_msg or "rate limit" in error_msg.lower() or "额度不足" in error_msg:
+            print(f"🚫 [限流提示] 即时分析触发 LLM 频率限制 (429)，请检查账户余额或稍后重试。")
         print(f"❌ 即时分析失败: {error_msg}")
         raise HTTPException(
             status_code=500, 

backend/app/main.py

@@ -13,7 +13,7 @@ from app.core.timezone import beijing_time
 # 配置日志
 logging.Formatter.converter = beijing_time
 logging.basicConfig(
-    level=logging.DEBUG,
+    level=logging.INFO,
     format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
     datefmt='%Y-%m-%d %H:%M:%S'
 )

backend/app/services/scanner.py

@@ -625,6 +625,11 @@ async def scan_repo_task(task_id: str, db_session_factory, user_config: dict = N
                         except Exception as e:
                             if attempt < MAX_RETRIES - 1:
                                 wait_time = (attempt + 1) * 2
+                                # 特殊处理限流错误提示
+                                error_str = str(e)
+                                if "429" in error_str or "rate limit" in error_str.lower() or "额度不足" in error_str:
+                                    print(f"🚫 [限流提示] 仓库扫描任务触发 LLM 频率限制 (429)，建议在设置中降低并发数或增加请求间隔。文件: {f_path}")
+                                
                                 print(f"⚠️ 分析文件失败 ({f_path}), 正在进行第 {attempt+1} 次重试... 错误: {e}")
                                 await asyncio.sleep(wait_time)
                                 continue