Fix dev-mode reconnect storm by persisting mongoose connection state on
globalThis instead of a module-level flag that resets on Vite HMR.
Eliminate redundant in_season DB query on /rezepte — derive seasonal
subset from all_brief client-side. Parallelize all page load fetches.
Replace N+1 settlement queries in balance route with single batch $in
query. Parallelize balance sum and recent splits aggregations.
Trim unused dateModified/dateCreated from recipe brief projections.
Add indexes: Payment(date, createdAt), PaymentSplit(username),
Recipe(short_name), Recipe(season).
- Replace connect/disconnect pattern with persistent connection pool
- Add explicit database initialization on server startup
- Remove all dbDisconnect() calls from API endpoints to prevent race conditions
- Fix MongoNotConnectedError when scheduler runs concurrently with API requests
- Add connection pooling with proper MongoDB driver options
- Add safety check for recipes array in favorites utility
Prevent database disconnection in dbDisconnect() to avoid "Client must be connected" errors in production. The connection pool handles cleanup automatically.
Alexander