3f60765d9a
Backend: - Add QuotaExceeded error kind mapped to HTTP 507 Insufficient Storage - Add check_storage_quota() and get_user_storage_info() to StorageUsagePort - Enforce quota in upload_file_with_cache, upload_file_with_thumbnails (AuthUser extractor) - Enforce quota in chunked upload create_upload handler - Add update_user_storage_usage_by_username() for username-based lookup - Fix extract_username_from_path() to handle subfolders (take first segment only) - Fix maybe_update_storage_usage() to use username-based lookup instead of passing username to get_user_by_id (which always failed silently) Frontend: - Parse and display quota error messages on upload failure (507 / QuotaExceeded) - Stop remaining uploads when quota is exceeded - Call refreshUserData() after uploads to update storage usage display - Bump service worker cache to v9