- Add FINAL_IMPROVEMENT_SUMMARY.md with complete project overview
- Add IMPROVEMENT_SUMMARY.md with detailed technical changes
- Add TEST_SUITE_IMPROVEMENT_REPORT.md with implementation details
- Document 100% test success rate achievement (242 tests passing)
- Detail architectural improvements and coverage gains
- Provide future roadmap and best practices
This documents the complete transformation of the test suite from failing state to 100% success.