[whiteghost0001]

Summary of Changes

Brief description of what this PR introduces, fixes, or refactors in luminarail-backend.

Related Contributor Issue: Closes #

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Type of Change

• Bug fix (non-breaking change fixing an API issue)
• New feature (non-breaking change adding an endpoint or worker feature)
• Breaking change (change breaking existing API contracts or schema)
• Documentation update
• Refactoring / Test coverage addition

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Verification & Quality Checklist

• TypeScript check passes cleanly: npm run type-check
• ESLint passes cleanly: npm run lint
• Production build compiles cleanly: npm run build
• All Vitest tests pass cleanly: npm test
• Zod schema validation added for new request parameters
• Financial amounts use string representation / Decimal handling (no float rounding)
• Idempotency-Key headers respected for financial mutations
• No API keys, JWT secrets, database credentials, or Stellar seed phrases committed

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Test Verification Output

npm test
# Paste test results here