Server:
- GET/PUT /api/v1/sync/presets — upsert with last-write-wins
- DELETE /api/v1/sync/presets/:id
- GET/PUT /api/v1/sync/progress — game progress upsert
Client:
- syncService.js: offline-first sync layer
- localStorage remains primary store
- Pushes to server when logged in
- Merges server data into local on sync
- Auto-sync every 30s + on tab focus
- AuthContext starts/stops sync on login/logout
- Sync runs on session restore (refresh token)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Backend stack:
- Fastify v5 with JWT auth, CORS, cookies, rate limiting
- PostgreSQL via Drizzle ORM with full schema:
users, presets, game_progress, shared_patches, likes, refresh_tokens
- Argon2 password hashing, httpOnly refresh cookie rotation
API endpoints:
- POST /api/v1/auth/register|login|refresh|logout
- GET|PATCH /api/v1/users/me (profile)
- GET /api/v1/admin/stats (dashboard KPIs)
- GET|PATCH /api/v1/admin/users (list, role change, ban)
- GET|PATCH /api/v1/admin/patches (moderation)
- GET /api/health
Infrastructure:
- Vite proxy /api → localhost:3001 for dev
- .env.example with all config vars
- Dockerfile updated: installs server deps, serves SPA + API
- npm run dev:server for backend hot-reload
- npm run db:push for schema sync
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>