feat: integrate feedback, broadcast, survey, offline-queue clients + settings page + devops
Phase 4: Add @bytelyst/feedback-client, broadcast-client, survey-client, offline-queue
wrappers. Revamp settings page with profile, password change, feedback form.
Add BroadcastBanner and SurveyBanner to app layout. Wire offline queue flush on boot.
Phase 5: Fix .env.example branding (NoteLett), update docker-compose with all env vars,
enable GitHub Actions CI workflow with lint steps.
Made-with: Cursor