docs: add daily test audit report and artifacts

- Run unit tests with coverage (c8)
- Generate test audit report (test-audit-report-2026-02-15.md)
- Add static analysis of suspicious tests
- Add flakiness check script and results (timed out)
- Create daily completion log

Co-authored-by: PR0M3TH3AN <[email protected]>

context/CONTEXT_2026-02-15_22-02-44.md

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+# Test Audit Context - 2026-02-15_22-02-44
+
+## Mission
+Run daily audit of the test suite to verify tests actually test the behaviors they claim to, find fragile or missing tests, and propose small, high-confidence fixes.
+
+## DoD
+- [ ] Run tests with coverage
+- [ ] Check for flakiness
+- [ ] Static analysis of tests
+- [ ] Generate report
+- [ ] Create simple fixes if possible