docs: update documentation with Phase 3.8 fixes and production warnings

docs/SESSION_CONTEXT.md

@@ -348,4 +348,52 @@ REST_BUFFER_MINUTES: 60
 
 ---
 
-**Last Updated:** 2025-12-06
+**Last Updated:** 2025-12-09
+
+---
+
+## ⚠️ PRODUCTION ENVIRONMENT
+
+**Status:** ✅ **LIVE IN PRODUCTION**
+**URL:** https://spotlight.cam
+**Deployed:** 2025-12-09
+**Users:** Real users with real data
+
+### Critical Development Guidelines
+
+#### Database Safety
+- ⚠️ **NEVER** run migrations without testing in development first
+- Always backup production database before schema changes
+- Use `npx prisma migrate dev --create-only` to preview SQL
+- Test data operations in dev environment before production
+- Use transactions for multi-step operations
+
+#### Deployment Process
+1. Test thoroughly in development (`docker compose --profile dev up`)
+2. Run full test suite (`make test` - all 351 tests must pass)
+3. Review changes: `git diff origin/master`
+4. Deploy during low-traffic periods
+5. Monitor logs after deployment: `docker compose logs -f backend-prod`
+
+#### Emergency Rollback
+- Keep previous Docker images: `docker images | grep app-`
+- Rollback command: `docker compose --profile prod down && docker tag OLD_IMAGE NEW_IMAGE && docker compose --profile prod up -d`
+- Have database backup ready at all times
+
+#### What to NEVER Do
+- ❌ Drop tables or columns without migration plan
+- ❌ Change primary keys or foreign key relationships
+- ❌ Deploy without running tests
+- ❌ Push directly to master without review
+- ❌ Test experimental features on production data
+
+#### Recent Bug Fixes (Phase 3.8 - Dec 2025)
+1. Admin dropdown persistence (session fields)
+2. Mobile chat scroll behavior
+3. Polish characters in name validation
+4. WSDC ID type conversion
+5. Match chat message display
+6. Socket.IO reconnection handling
+7. Docker production build scripts
+
+All fixes deployed successfully with zero downtime.