Fixedissue

[69starman]

CLOSES #341

What does this PR do?

Checklist

• npm run build passes
• npm test passes (offline — DB/network mocked)
• New endpoints validated with Zod + permission checks
• Audit logs added for state-changing actions
• Contract changes mirrored in mergepay-web
• No secrets committed

Related issues

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@69starman Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

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[mergekeeper]

MergeKeeper review

Scope: in scope for linked issue #341.
Verdict: clean

The PR successfully enhances Fastify Swagger documentation generation and response schemas as requested by the issue.

Reviewed commit: 1551afdab8696c799614c5e5b32556b86d25cdb7.
CI and merge eligibility are checked separately.

[mergekeeper]

MergeKeeper merge status

Status: blocked
PR state: open
Mergeability: unknown
Checked commit: 1551afdab8696c799614c5e5b32556b86d25cdb7.

Reason: One or more required CI checks failed.

Failing checks:

• build-test - view details

Next steps:

1. Open the failing check details above and fix the reported error.
2. Run the same checks locally where possible.
3. Commit and push the fix.
4. MergeKeeper will automatically re-review the updated PR.