Updated QA_EXECUTIVE_SUMMARY.md to document:
- 3 test failures found post-QA (from legacy config removal)
- All 3 failures fixed and verified passing
- Kimi's undefined variable bug finding (already fixed in commit 6439c85)
- Pre-release checklist updated with test fix completion
Status: All blocking issues resolved, v2.11.0 ready for release
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>