backend/src/db.rs- Database connection pool and query helpersbackend/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 test- Fixed
create_poolreturn type:PoolStartupError→PoolCreationError(line 38 in db.rs) - The
retry_pool_connectionfunction now properly usesPoolCreationErrorfor error handling is_transient_errorcorrectly classifiesPoolClosedas non-transient andPoolTimedOutas transient
db_connect_max_attempts: 5db_connect_base_delay_ms: 200db_connect_max_delay_ms: 5_000