Controllers folder exists

DTOs folder with records

DTO From() factory method

Services folder with business logic

No business logic in controllers

Typed exception classes

Centralized exception middleware

IServiceCollection extensions

appsettings.json not hardcoded

Health checks registered

Separate test project

DTOs folder with records

DTO From() factory method

Models vs DTOs separation

Services folder with interfaces

No business logic in controllers

IServiceCollection extension methods

Typed exceptions with middleware

appsettings.json with ConnectionStrings

appsettings.Development.json exists

Health checks registered

Separate test project

Endpoints folder used

No Controllers folder

MapGet/MapPost calls present

DTOs as records

DTO From() factory method

Services layer exists

IOptions for low-stock threshold

appsettings.json with config

Health checks registered

Data folder with DbContext

DTOs folder with records

DTO From() factory method

Models vs DTOs separation

Services with interfaces

No business logic in controllers

IOptions for page size config

appsettings.json with all config

appsettings.Development.json

IServiceCollection extension methods

Typed exceptions with middleware

Health checks registered

Separate test project

Services folder with business logic extracted

No business logic in controller

DTOs folder with records

DTO From() factory method

Typed exception classes

Centralized exception middleware

Models in separate folder

Data folder with DbContext

IServiceCollection extension methods

Service interface defined

appsettings.json with config