7737ed90c7
Backend: - Add owner_id to Folder entity + FolderDto (DB user_id column) - Add list_folders_by_owner to FolderRepository trait + PG impl - Add list_folders_for_owner to FolderUseCase + FolderService - Rewrite FolderHandler: all endpoints now scope by AuthUser - Remove dead handler methods (list_folders_inner, list_folders_for_user, is_user_home_folder, folder_belongs_to_user) - Add ownership check in get_folder (returns 404 on mismatch) Batch operations: - Add trash_service + zip_service to BatchOperationService - New methods: trash_files, trash_folders, move_folders, download_zip - New handlers: trash_batch, move_folders_batch, download_batch - New routes: POST /api/batch/trash, /api/batch/folders/move, /api/batch/download Frontend: - Replace findUserHomeFolder (~130 lines) with resolveHomeFolder (~35 lines) - Remove client-side folder filtering in loadFiles (backend now scopes) - Rewrite batchDelete: N requests -> 1 POST /api/batch/trash - Rewrite batchMove: N requests -> 2 POST max (files + folders) - Rewrite batchDownload: N requests -> 1 POST /api/batch/download (ZIP) - Search moved to backend, share system uses backend API - Dark mode fixes, frontend audit improvements