Duty revoke must share the project advisory lock with reading old holders and writing members, so a post-commit service snapshot cannot miss a transfer. Heal still fills the new holder after commit, and sync failure stays ERR_DUTY_SYNC.
Co-authored-by: Cursor <cursoragent@cursor.com>
Require TEST_DATABASE_URL and refuse agent_system_dev. Script creates a
throwaway database, runs packages serially, then drops it.
Co-authored-by: Cursor <cursoragent@cursor.com>