Observability in 2.0.0-dev

Core exposes a browser-readable dashboard, JSON APIs and a Prometheus-compatible /metrics endpoint.

Current signals

• low-cardinality Core and per-Region gauges
• World/Region state
• Presence, Identity and Session information
• Social, Content, Governance and World Operations information
• health/status endpoints

GET /metrics
GET /v1
GET /

Production

Alert rules, long-term retention and external observability stacks remain deployment concerns and will be refined with later production profiles.