- New api/services/beszel.ts: Zod-validated Beszel API client with
PocketBase auth, system fetching, and MySQL upsert
- New api/routes/beszel.ts: GET /api/beszel (read) + POST /api/beszel/collect (trigger)
- Updated api/server.ts: register route, add to 5min scheduler
- Updated src/pages/Monitor.tsx: Fleet section showing all 17 systems
with CPU/RAM/disk bars, status dots, container count, and link to
Beszel dashboard
Architecture: Beszel hub → API → tbl_eal_monitoring (category='fleet')
→ Monitor.tsx grid. Collected every 5min alongside existing metrics.
