213a29c1bd
Resolve conflicts in appointments.ts (import style) and stage all fixes: - UAT_PLAYBOOK.md: add §4.4b buffer-aware availability test cases - Migration 0031: add buffer_minutes and pet_size_category columns - Fix DB conflict queries to use effective end (endTime + bufferMinutes) - Remove dead code in book.ts - Fix misleading test name in slots.test.ts Co-Authored-By: Paperclip <noreply@paperclip.ing>