External monitoring via UptimeRobot (free tier) with internal health
logger to differentiate ISP outages from server issues. Includes:
- 4 new DB models (UptimeMonitor, UptimeCheck, UptimeIncident, InternalHealthLog)
- Migration 082 with tables, indexes, and permissions
- Internal health logger script (cron */5 min)
- UptimeRobot sync script (cron hourly) with automatic cause correlation
- Admin dashboard /admin/uptime with uptime %, response time charts,
incident log with editable notes/causes, pattern analysis, monthly report
- SLA comparison table (99.9%/99.5%/99%)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
