Product JPA entity created

Spring Data JPA repository created

Service class enforces BR-010

Controller returns a DTO, not the entity

REST endpoint exposed

Did not fabricate a hexagonal module split

Angular component uses signals

Standalone component, no NgModule

Hand-written HttpClient service

Category filter dropdown in the UI

No test files created

Pure domain record with zero framework imports

No JPA/Spring leakage into hotel-domain

Outbound port as plain sibling interface, not a port subpackage

No inbound port/use-case interface invented

Controller depends on the concrete service

DTO factory method on the DTO record itself

Hand-written static converters, not MapStruct

Separate JPA entity from the domain record

Spring Data repository + port implementation in hotel-postgres

Flyway migration placed in the persistence-adapter module

Email uniqueness enforced at the database level

Correct module for each new file

No test files created

Test class name pattern

Extends IntegrationTestBase

Uses RestAssured, not MockMvc/MockMvcTester/RestTestClient

Reuses the existing UseCase annotation

@UseCase on every test method

@UseCase scenario matches spec

@UseCase businessRules matches spec

Main scenario test present

Duplicate-email test present

No repository/service mocking

Cleanup via JdbcTemplate, not a separate test migration