- Add RandomNumberOutcomeResponse schema to schemas.py
- Add GET /api/audit/random-jobs endpoint to routes/audit.py
- Returns list of outcomes (newest first, no pagination)
- Requires VIEW_AUDIT permission
- Add tests: admin can access, regular user forbidden, unauthenticated 401
- Add ruff as dev dependency
- Configure ruff in pyproject.toml with strict 88-char line limit
- Ignore B008 (FastAPI Depends pattern is standard)
- Allow longer lines in tests for readability
- Fix all lint issues in source files
- Add Makefile targets: lint-backend, format-backend, fix-backend
- Updated BookingRequest validator to use NOTE_MAX_LENGTH constant
- Replaced hardcoded 144 with constant for consistency
- Error message now includes the actual max length value
- Create Availability model with date, start_time, end_time
- Add availability schemas with 15-minute boundary validation
- Add admin endpoints:
- GET /api/admin/availability - query by date range
- PUT /api/admin/availability - set slots for a date
- POST /api/admin/availability/copy - copy to multiple days
- Add 26 tests covering permissions, CRUD, and validation
