- A truthy non-string catalog url (e.g. 123) reached urlparse and raised
AttributeError, escaping the clean error path; validate it is a string.
- enable/disable mutated the live registry entry before add(), so add's
rollback snapshot captured the already-toggled object; pass a fresh
mapping instead.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>