Hide the setup progress card for the caller

POST 
/api/quickstart/progress/dismiss

Per person — other admins still see it. Idempotent.

Responses

200

The caller's progress, now with visible false.

401

Not authenticated. code: account_disabled means the member's seat was deactivated in this workspace: the session is over even though the token was not revoked (clients sign out and clean up).

403

Authenticated but not allowed.