- CR-01: fix browse URL from /folders/{id} to /items?parent_ref= (broken feature)
- CR-02: remove raw provider exception text from _TerminalProviderError messages
- CR-03: add user_id predicate to get_or_create_folder_state query (ownership boundary)
- CR-04: add max_length=255 to ConnectionRenameRequest.display_name
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>