Rename schemas/search_space.py -> schemas/workspace.py, the SearchSpace* classes
-> Workspace* (incl. UserSearchSpaceAccess -> UserWorkspaceAccess), and the
search_space_id / search_space_name fields -> workspace_id / workspace_name across
all schema modules. Under hard cutover the serialized JSON keys change outright
(no alias). Re-exports in schemas/__init__.py updated.
- Included server_time_utc in the connect response schema for better synchronization.
- Updated obsidian_connect function to set server_time_utc during connection handling.
- Enhanced integration tests to verify the presence of server_time_utc in responses.
- Improved connectivity status recovery in the sync engine for better error management.
- Added a new Celery task for indexing non-markdown attachments.
- Enhanced the Obsidian plugin schema to support binary attachments.
- Updated routes to enqueue binary attachments for background processing.
- Improved metadata handling for binary attachments during indexing.
- Added tests for binary attachment processing and validation.
