- Admin API routes: recipients CRUD, AI/SMTP config, report generation
- UI page: dual-tab management (recipients + AI/SMTP settings)
- Auto table creation via CREATE TABLE IF NOT EXISTS
- AI summary via OpenAI Chat Completions API (stored in DB, not env)
- Direct SMTP sending via Node.js built-in net/tls (no nodemailer)
- Report includes: new users, rooms, commits, messages, top room + AI summary
- Sidebar navigation added for /admin/daily-report