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
- 修复缺失的urllib.parse导入

backend/collaboration_manager.py

@@ -11,6 +11,7 @@ from datetime import datetime, timedelta
 from enum import Enum
 from typing import Any
 
+
 class SharePermission(Enum):
     """分享权限级别"""
 
@@ -19,6 +20,7 @@ class SharePermission(Enum):
     EDIT = "edit"  # 可编辑
     ADMIN = "admin"  # 管理员
 
+
 class CommentTargetType(Enum):
     """评论目标类型"""
 
@@ -27,6 +29,7 @@ class CommentTargetType(Enum):
     TRANSCRIPT = "transcript"  # 转录文本评论
     PROJECT = "project"  # 项目级评论
 
+
 class ChangeType(Enum):
     """变更类型"""
 
@@ -36,6 +39,7 @@ class ChangeType(Enum):
     MERGE = "merge"  # 合并
     SPLIT = "split"  # 拆分
 
+
 @dataclass
 class ProjectShare:
     """项目分享链接"""
@@ -54,6 +58,7 @@ class ProjectShare:
     allow_download: bool  # 允许下载
     allow_export: bool  # 允许导出
 
+
 @dataclass
 class Comment:
     """评论/批注"""
@@ -74,6 +79,7 @@ class Comment:
     mentions: list[str]  # 提及的用户
     attachments: list[dict]  # 附件
 
+
 @dataclass
 class ChangeRecord:
     """变更记录"""
@@ -95,6 +101,7 @@ class ChangeRecord:
     reverted_at: str | None  # 回滚时间
     reverted_by: str | None  # 回滚者
 
+
 @dataclass
 class TeamMember:
     """团队成员"""
@@ -110,6 +117,7 @@ class TeamMember:
     last_active_at: str | None  # 最后活跃时间
     permissions: list[str]  # 具体权限列表
 
+
 @dataclass
 class TeamSpace:
     """团队空间"""
@@ -124,6 +132,7 @@ class TeamSpace:
     project_count: int
     settings: dict[str, Any]  # 团队设置
 
+
 class CollaborationManager:
     """协作管理主类"""
 
@@ -425,7 +434,9 @@ class CollaborationManager:
         )
         self.db.conn.commit()
 
-    def get_comments(self, target_type: str, target_id: str, include_resolved: bool = True) -> list[Comment]:
+    def get_comments(
+        self, target_type: str, target_id: str, include_resolved: bool = True
+    ) -> list[Comment]:
         """获取评论列表"""
         if not self.db:
             return []
@@ -542,7 +553,9 @@ class CollaborationManager:
         self.db.conn.commit()
         return cursor.rowcount > 0
 
-    def get_project_comments(self, project_id: str, limit: int = 50, offset: int = 0) -> list[Comment]:
+    def get_project_comments(
+        self, project_id: str, limit: int = 50, offset: int = 0
+    ) -> list[Comment]:
         """获取项目下的所有评论"""
         if not self.db:
             return []
@@ -978,9 +991,11 @@ class CollaborationManager:
         )
         self.db.conn.commit()
 
+
 # 全局协作管理器实例
 _collaboration_manager = None
 
+
 def get_collaboration_manager(db_manager=None) -> None:
     """获取协作管理器单例"""
     global _collaboration_manager