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

backend/plugin_manager.py

@@ -220,7 +220,7 @@ class PluginManager:
         return None
 
     def list_plugins(
-        self, project_id: str = None, plugin_type: str = None, status: str = None
+        self, project_id: str = None, plugin_type: str = None, status: str = None,
     ) -> list[Plugin]:
         """列出插件"""
         conn = self.db.get_conn()
@@ -241,7 +241,7 @@ class PluginManager:
         where_clause = " AND ".join(conditions) if conditions else "1 = 1"
 
         rows = conn.execute(
-            f"SELECT * FROM plugins WHERE {where_clause} ORDER BY created_at DESC", params
+            f"SELECT * FROM plugins WHERE {where_clause} ORDER BY created_at DESC", params,
         ).fetchall()
         conn.close()
 
@@ -310,7 +310,7 @@ class PluginManager:
     # ==================== Plugin Config ====================
 
     def set_plugin_config(
-        self, plugin_id: str, key: str, value: str, is_encrypted: bool = False
+        self, plugin_id: str, key: str, value: str, is_encrypted: bool = False,
     ) -> PluginConfig:
         """设置插件配置"""
         conn = self.db.get_conn()
@@ -367,7 +367,7 @@ class PluginManager:
         """获取插件所有配置"""
         conn = self.db.get_conn()
         rows = conn.execute(
-            "SELECT config_key, config_value FROM plugin_configs WHERE plugin_id = ?", (plugin_id,)
+            "SELECT config_key, config_value FROM plugin_configs WHERE plugin_id = ?", (plugin_id,),
         ).fetchall()
         conn.close()
 
@@ -377,7 +377,7 @@ class PluginManager:
         """删除插件配置"""
         conn = self.db.get_conn()
         cursor = conn.execute(
-            "DELETE FROM plugin_configs WHERE plugin_id = ? AND config_key = ?", (plugin_id, key)
+            "DELETE FROM plugin_configs WHERE plugin_id = ? AND config_key = ?", (plugin_id, key),
         )
         conn.commit()
         conn.close()
@@ -512,7 +512,7 @@ class ChromeExtensionHandler:
         """撤销令牌"""
         conn = self.pm.db.get_conn()
         cursor = conn.execute(
-            "UPDATE chrome_extension_tokens SET is_revoked = 1 WHERE id = ?", (token_id,)
+            "UPDATE chrome_extension_tokens SET is_revoked = 1 WHERE id = ?", (token_id,),
         )
         conn.commit()
         conn.close()
@@ -520,7 +520,7 @@ class ChromeExtensionHandler:
         return cursor.rowcount > 0
 
     def list_tokens(
-        self, user_id: str = None, project_id: str = None
+        self, user_id: str = None, project_id: str = None,
     ) -> list[ChromeExtensionToken]:
         """列出令牌"""
         conn = self.pm.db.get_conn()
@@ -558,7 +558,7 @@ class ChromeExtensionHandler:
                     last_used_at=row["last_used_at"],
                     use_count=row["use_count"],
                     is_revoked=bool(row["is_revoked"]),
-                )
+                ),
             )
 
         return tokens
@@ -897,12 +897,12 @@ class BotHandler:
 
         async with httpx.AsyncClient() as client:
             response = await client.post(
-                session.webhook_url, json=payload, headers={"Content-Type": "application/json"}
+                session.webhook_url, json=payload, headers={"Content-Type": "application/json"},
             )
             return response.status_code == 200
 
     async def _send_dingtalk_message(
-        self, session: BotSession, message: str, msg_type: str
+        self, session: BotSession, message: str, msg_type: str,
     ) -> bool:
         """发送钉钉消息"""
         timestamp = str(round(time.time() * 1000))
@@ -928,7 +928,7 @@ class BotHandler:
 
         async with httpx.AsyncClient() as client:
             response = await client.post(
-                url, json=payload, headers={"Content-Type": "application/json"}
+                url, json=payload, headers={"Content-Type": "application/json"},
             )
             return response.status_code == 200
 
@@ -1115,7 +1115,7 @@ class WebhookIntegration:
 
             async with httpx.AsyncClient() as client:
                 response = await client.post(
-                    endpoint.endpoint_url, json=payload, headers=headers, timeout=30.0
+                    endpoint.endpoint_url, json=payload, headers=headers, timeout=30.0,
                 )
 
             success = response.status_code in [200, 201, 202]
@@ -1343,7 +1343,7 @@ class WebDAVSyncManager:
             remote_project_path = f"{sync.remote_path}/{sync.project_id}"
             try:
                 client.mkdir(remote_project_path)
-            except (OSError, IOError):
+            except OSError:
                 pass  # 目录可能已存在
 
             # 获取项目数据