Document frontend/backend integration contract

[godekina]

Document frontend/backend integration contract

Repository: PolymorphicAI/study-copilot

Suggested Labels: documentation, api, frontend, backend, medium, wave-ready

Suggested Complexity: Medium / 150 points

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Summary

Document the expected contract between frontend fetch calls and backend responses.

Why This Matters

A clear integration contract reduces frontend/backend mismatch bugs.

Tasks

• Create docs/frontend-backend-contract.md.
• List endpoints used by frontend.
• Define expected response fields.
• List error handling expectations.

Acceptance Criteria

• Integration contract exists.
• Endpoints and response fields are documented.
• Errors are considered.

Suggested Complexity

Medium / 150 points

Suggested Labels

documentation, api, frontend, backend, medium, wave-ready