Un-harden TestTimeBlockers_List dates (now relative to current time) and update TestCleanupOldReservations to use fixture users instead of hardcoded IDs. Improve Migrate() to drop types before tables (CASCADE dependency fix) and add forgiven_no_shows to truncate list. Seed default working hours in admin booking tests to prevent business-logic check failures. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>