Routes are lazy-loaded

Suspense with fallback

Direct component imports not barrel exports

Sidebar layout does not import page content

No heavy library imports for simple tasks

TypeScript types used

Functional separation of layout and pages

Customer orders endpoint is paginated

No N+1 queries for order items

Compression middleware enabled

Connection pooling configured

Foreign key indexes on order_id and customer_id

Graceful shutdown closes database connections

Pagination metadata in response

Max limit capped

Total computed in SQL or efficiently

Products endpoint is paginated

No N+1 queries

Compression middleware enabled

Routes are lazy-loaded

Suspense with fallback

Product images use loading=lazy

Images have width and height

Pagination metadata in response

Foreign key index on category_id