* feat: return address_id in /admin/new_address response
- Add address_id field to newAddress function return type
- Update CHANGELOG.md and CHANGELOG_EN.md
Fixes#912
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
* test: verify address_id in new_address response
* fix: add address_id validation and improve test coverage
- Add null check for address_id after DB query
- Change address_id to required field in return type
- Add dedicated test for /admin/new_address endpoint
- Update e2e helper return type to non-optional
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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
