* Refactor key point annotator tests to use reusable fixtures for test clarity and maintainability * Apply suggestions from code review * fix(pre_commit): 🎨 auto format pre-commit hooks * Move `assert_image_mostly_same` helper to a shared module and update imports in tests * Update test/key_points/test_skeletons.py --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>