Add Contract Tests for API Response Schemas

[mikewheeleer]

Implement API Contract Test Suite

Description

Create response schema contract tests to prevent breaking changes and ensure stable client expectations.

Requirements and context

• Must be secure, tested, and documented
• Should be efficient and easy to review

Suggested execution

• Fork the repo and create a branch
• git checkout -b test/api-contract-schemas
• Implement changes
• Write backend tests for response contracts
• Add documentation: README.md
• Include JSDoc-style comments
• Validate security assumptions

Test and commit

• Run tests
• Cover edge cases
• Include test output and security notes

Example commit message

test(api): add response contract schema assertions

Guidelines

• Minimum 95 percent test coverage
• Clear documentation
• Timeframe: 96 hours

[Sam-Rytech]

@Sam-Rytech has applied to work on this issue as part of the Stellar Wave Program's 3rd wave.

Hey maintainer

Please I would like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Sam-Rytech to this issue.

[drips-wave]

Congratulations, @Sam-Rytech! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on March 30, 2026.

🧑‍💻 @Sam-Rytech: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been marked as completed by a Drips Wave moderator for @Sam-Rytech as part of the Stellar Wave Program's 3rd Wave 🥳

Moderator's reason: [Auto-assessed] The contributor successfully implemented the requested API response schema contract tests in PR #93, which has been merged, and the corresponding issue #36 is now closed.

😎 @Sam-Rytech: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.

ℹ️ Note: This issue was marked complete via moderation. Points were issued even though the GitHub issue remains open.