backend/src/db/- Database connection pool and query helpersbackend/src/db/mod.rs- Pool creation with retry/backoff, error types, and re-exportsbackend/src/db/pools.rs- Pool CRUD, templates, and creator incentivesbackend/src/db/predictions.rs- Predictions, leaderboard, and protocol statsbackend/src/db/referrals.rs- Referral inserts and earningsbackend/src/db/metrics.rs- Connection pool Prometheus gauges
backend/src/server.rs- Server startup and HTTP handlersbackend/src/config.rs- Configuration with retry settings (db_connect_max_attempts,db_connect_base_delay_ms,db_connect_max_delay_ms)
cd backend && cargo check
cd backend && cargo clippy
cd backend && cargo fmt --check
cd backend && cargo testdb_connect_max_attempts: 5db_connect_base_delay_ms: 200db_connect_max_delay_ms: 5_000