main
feat(security): add IP rate limiting, CSP & HSTS headers, audit logging, update deps, add tests & CI
fix(deploy): resolve 502 errors and enable full-stack static serving for Railway
feat(messaging): add reactions, scheduled messages, email verification, media enhancements, and push notifications
fix(ts,docs): resolve all TypeScript errors and update docs
refactor(server): remove duplicate code and implement bot stubs