Add a reserved meta key inside WeeklySchedule.setting (no migration) holding online_booking_enabled and a booking_window value+unit (week|month), with sane defaults. Expose meta separately in toArray() and keep it out of the day schedule map. setSetting now preserves meta when the day schedule is replaced; the weekly-schedule POST/PATCH endpoints accept an optional meta. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>