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perf(document): EAGER→LAZY migration with @EntityGraph + @BatchSize (#467) #622

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marcel merged 19 commits from worktree-feat+issue-467-lazy-fetch-entity-graph into main 2026-05-19 09:23:32 +02:00
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@@ -97,7 +97,10 @@ public class MyEntity {
- Annotated with `@Service`, `@RequiredArgsConstructor`, optionally `@Slf4j`.
- Write methods: `@Transactional`.
- Read methods: no annotation (default non-transactional).
- Read methods: no annotation (default non-transactional) — **except** when the method returns
an entity whose lazy associations must remain accessible to the caller after the method
returns. In that case, use `@Transactional(readOnly = true)` to keep the Hibernate session
open. Removing this annotation causes `LazyInitializationException` in production. See ADR-022.
- Cross-domain access goes through the other domain's service, never its repository.
## Error Handling