- Expand TESTING.md with comprehensive test coverage details
- Document server, WASM, and shared crate test suites
- Highlight critical security and parity tests
- Improve testing philosophy and contributor guidance
- Record current 89-test validation baseline
- Add COMPARISON.md for architecture and positioning analysis
- Add PERFORMANCE-TUNING.md for mutation engine optimization guidance
- Add TESTING.md documenting the 89-test security-focused test suite
- Document server, WASM, and shared crate test coverage
- Add operational guidance for tuning, validation, and verification
- Improve project maintainability and contributor onboarding
thakares