feat: add passkey authentication and enhance user preferences
- Add passkey login security event type with fingerprint icon
- Include request and site context in email confirmation for backend
- Add user_id exact match filter to prevent incorrect user lookups
- Enable PATCH method for updating user preferences via API
- Add moderation_preferences support to user settings
- Optimize ticket queries with select_related and prefetch_related
This commit introduces passkey authentication tracking, improves user
profile filtering accuracy, and extends the preferences API to support
updates. Query optimizations reduce database hits for ticket listings.
- Add complete backend/ directory with full Django application
- Add frontend/ directory with Vite + TypeScript setup ready for Next.js
- Add comprehensive shared/ directory with:
- Complete documentation and memory-bank archives
- Media files and avatars (letters, park/ride images)
- Deployment scripts and automation tools
- Shared types and utilities
- Add architecture/ directory with migration guides
- Configure pnpm workspace for monorepo development
- Update .gitignore to exclude .django_tailwind_cli/ build artifacts
- Preserve all historical documentation in shared/docs/memory-bank/
- Set up proper structure for full-stack development with shared resources