Add "Mark as Passed" check overrides and "Recalculate Score" feature
- api.php: override_check / unoverride_check endpoints write per-job
.overrides.json; handleResult() injects overridden_checks on reload
- js/results.js: score breakdown rows show "Mark as Passed" / "Undo"
buttons; recalculateScore() adjusts penalty for dismissed issues and
base score for manual overrides without mutating original data
- index.html: score display gains hidden (Adjusted) badge and
Recalculate Score button, revealed after first check
- css/styles.css: btn-mark-passed, btn-unoverride, check-manual-pass,
btn-recheck, score-adjusted-label styles
- js/utils.js: escapeAttr() helper for safe inline onclick values
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>