Till-JS 9dfad0128a 📈 feat(monitoring): upgrade to VictoriaMetrics + DuckDB analytics ... - Replace Prometheus with VictoriaMetrics (2-year retention) - Add DuckDB analytics module for business KPIs (unlimited retention) - Add master overview dashboard combining all metrics - Add business metrics dashboard for user growth tracking - Add backup script for VictoriaMetrics snapshots and DuckDB - Add ADR documentation for monitoring stack decision Analytics API endpoints: - GET /api/v1/analytics/health - Service health - GET /api/v1/analytics/latest - Latest metrics snapshot - GET /api/v1/analytics/growth - User growth over time - GET /api/v1/analytics/monthly - Monthly aggregates - POST /api/v1/analytics/snapshot - Manual snapshot trigger		2026-01-28 12:38:04 +01:00
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001-monitoring-stack-upgrade.md	📈 feat(monitoring): upgrade to VictoriaMetrics + DuckDB analytics	2026-01-28 12:38:04 +01:00