[WIP] Add testing framework for application

[Copilot]

Test Implementation Plan

Based on the problem statement "Test" and test plan document analysis:

Current Test Status:

• Explore repository structure and existing tests
• Run existing Jest unit tests (4 test suites, 38 tests passing)
• Verify test coverage for lib directory (99.02% coverage)
• Review test plan document requirements

Test Coverage Analysis:

• hooks.ts - 96.96% coverage ✓
• parsers.ts - 100% coverage ✓
• result.ts - 100% coverage ✓
• utils.ts - 97.63% coverage ✓
• constants.tsx - 100% coverage ✓
• types.ts - Type definitions only (no executable code)
• openai.ts - Not covered (external AI API calls)

Next Steps:

• Add unit tests for openai.ts functions with mocked AI API
• Verify Playwright E2E tests run successfully
• Document test execution procedures
• Run final verification

Original prompt

Test

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