## What does this PR do?



## Test plan

<!-- New/updated tests, and what you ran locally (full suite needs PostgreSQL on localhost:5432). -->

- [ ] Tests added/updated (full-string response assertions, SQL setup co-located — see CONTRIBUTING.md)
- [ ] `dotnet test` green locally

## Checklist

- [ ] Changelog entry added to `changelog/v<next-version>.md` (user-facing changes)
- [ ] Breaking change? → called out in the changelog under "Breaking Changes"
- [ ] AOT/trim-safe (no reflection-based serialization or libraries)