PetRow (pets.$inferSelect) now includes these nullable columns after
the GRO-1174 migration, but buildPet's defaults were never updated.
Adding null defaults fixes the typecheck failure in CI.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add petSizeCategory and petCoatType to bookingSchema zod validator (optional)
- Save coatType to pets row on booking creation
- Add coatType and petSizeCategory columns to pets DB schema
- Add coatType and petSizeCategory to Pet interface in @groombook/types
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>