Add new blueprints content collection and pages for documenting
architecture decisions, technology strategies and long-term planning.
- Add blueprints collection schema with status tracking (draft/proposal/accepted/implemented/superseded)
- Create index and detail pages for blueprints at /blueprints
- Add first blueprint: Mana Cluster & Federation Architecture
- Add ADR-002 in docs/decisions for internal reference
- Add nav.blueprints translation for all 5 languages
- Add blueprints link to main navigation
- 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
