Full review per .github/skills/python-code-reviewer/skill.md, with escalations to the evidence-provenance-auditor and test-effectiveness-auditor skills. Verification: ruff clean, 377 tests passing, 10 advisory ty diagnostics. Outcome: 0 critical, 4 high, 5 medium, 11 low. Report only; no source changes. Co-authored-by: Copilot App <[email protected]>
