fix: auto-fix code issues (cron)

- 修复重复导入/字段
- 修复异常处理
- 修复PEP8格式问题
- 添加类型注解
- 修复main.py中的语法错误（缺失try语句的from导入）
- 添加缺失的timedelta导入到plugin_manager.py
- 添加缺失的urllib.parse导入到plugin_manager.py和workflow_manager.py
- 添加缺失的os导入到document_processor.py
- 修复import排序问题
- 修复行长度超过100字符的问题
- 添加缺失的Alert导入到test_phase8_task8.py
- 添加缺失的get_export_manager导入到main.py

backend/main.py

@@ -18,7 +18,6 @@ from datetime import datetime, timedelta
 from typing import Any, Optional
 
 import httpx
-from export_manager import ExportEntity, ExportRelation, ExportTranscript
 from fastapi import (
     Body,
     Depends,
@@ -36,6 +35,13 @@ from fastapi.responses import JSONResponse, PlainTextResponse, StreamingResponse
 from fastapi.staticfiles import StaticFiles
 from pydantic import BaseModel, Field
 
+from export_manager import (
+    ExportEntity,
+    ExportRelation,
+    ExportTranscript,
+    get_export_manager,
+)
+
 # Configure logger
 logger = logging.getLogger(__name__)
 
@@ -140,7 +146,7 @@ except ImportError as e:
 
 # Phase 7: Workflow Manager
 try:
-    from workflow_manager import WebhookConfig, Workflow
+    from workflow_manager import WebhookConfig, Workflow, WorkflowManager
 
     WORKFLOW_AVAILABLE = True
 except ImportError as e:
@@ -174,10 +180,13 @@ except ImportError as e:
 
 # Phase 7 Task 7: Plugin Manager
 try:
+    from plugin_manager import (
         BotHandler,
         Plugin,
+        PluginManager,
         PluginStatus,
         PluginType,
+        WebDAVSyncHandler,
         WebhookIntegration,
         get_plugin_manager,
     )
@@ -299,10 +308,12 @@ except ImportError as e:
 
 # Phase 8 Task 8: Operations & Monitoring Manager
 try:
+    from ops_manager import (
         AlertChannelType,
         AlertRuleType,
         AlertSeverity,
         AlertStatus,
+        OpsManager,
         ResourceType,
         get_ops_manager,
     )
@@ -1933,7 +1944,10 @@ async def agent_command(project_id: str, command: AgentCommand, _=Depends(verify
     else:
         result["action"] = "none"
         result["message"] = (
-            "无法理解的指令，请尝试：\n- 合并实体：把所有'客户端'合并到'App'\n- 提问：张总对项目的态度如何？\n- 编辑：修改'K8s'的定义为..."
+            "无法理解的指令，请尝试：\n"
+            "- 合并实体：把所有'客户端'合并到'App'\n"
+            "- 提问：张总对项目的态度如何？\n"
+            "- 编辑：修改'K8s'的定义为..."
         )
 
     return result
@@ -4176,12 +4190,18 @@ async def test_webhook_endpoint(webhook_id: str, _=Depends(verify_api_key)):
 
     # 构建测试消息
     test_message = {
-        "content": "🔔 这是来自 InsightFlow 的 Webhook 测试消息\n\n如果您收到这条消息，说明 Webhook 配置正确！",
+        "content": (
+            "🔔 这是来自 InsightFlow 的 Webhook 测试消息\n\n"
+            "如果您收到这条消息，说明 Webhook 配置正确！"
+        ),
     }
 
     if webhook.webhook_type == "slack":
         test_message = {
-            "text": "🔔 这是来自 InsightFlow 的 Webhook 测试消息\n\n如果您收到这条消息，说明 Webhook 配置正确！",
+            "text": (
+                "🔔 这是来自 InsightFlow 的 Webhook 测试消息\n\n"
+                "如果您收到这条消息，说明 Webhook 配置正确！"
+            ),
         }
 
     success = await manager.notifier.send(webhook, test_message)