- Remove workspace_id from Pydantic models in project_management routes
- Remove workspace_id from SQLAlchemy and SQLite project management repos
- Remove workspace_id from worker tasks (storage keys, entity creation)
- Remove workspace_id from video dedup and title usage modules
- Remove workspace_id from generation and ingest worker tasks
- Clean workspace_id from all test files and scripts
- Remove workspace-specific test files (list_workspaces, workspace repos)
Task: #14 workspace_id 残留清理