Replace stub metrics provider with real QuestDBMetricsProvider that queries QuestDB via PostgreSQL wire protocol (port 8812) for rolling model Sharpe, win rates, confidence buckets, and ensemble metrics. - Add QuestDB service to docker-compose.yml (8.2.3, ports 9009/8812/9003) - Create questdb_metrics.rs with 5 SQL queries and graceful fallback - Wire QuestDBMetricsProvider into main.rs (replaces StubMetricsProvider) - Fix unused Instant import in feedback_loop.rs (#[cfg(test)] scope) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
17 KiB
17 KiB