diff --git a/tools/verify-quality-center-ux-1.44.0.mjs b/tools/verify-quality-center-ux-1.44.0.mjs
new file mode 100644
index 0000000..b698746
--- /dev/null
+++ b/tools/verify-quality-center-ux-1.44.0.mjs
@@ -0,0 +1,112 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const root = process.cwd();
+const read = relative => fs.readFileSync(path.join(root, relative), 'utf8');
+const js = read('public/quality-center-ux.js');
+const css = read('public/quality-center-ux.css');
+const runtime = read('public/design-system/theme-runtime.js');
+const html = read('public/index.html');
+const pkg = JSON.parse(read('package.json'));
+
+const failures = [];
+const expect = (condition, message) => {
+  if (!condition) failures.push(message);
+};
+const includesAll = (source, values, label) => {
+  for (const value of values) expect(source.includes(value), `${label}: ${value}`);
+};
+
+includesAll(html, [
+  'id="quality-center"',
+  'id="quality-summary-average"',
+  'id="quality-summary-ready"',
+  'id="quality-summary-blocked"',
+  'id="quality-summary-total"',
+  'id="quality-search"',
+  'id="quality-status"',
+  'id="quality-grade"',
+  'id="quality-list"',
+  'id="quality-detail-content"',
+  'id="quality-readiness"',
+  'id="quality-open-article"',
+  'id="quality-open-ai"',
+  'id="quality-run-analysis"',
+  'id="quality-issues"',
+  'data-quality-issue-filter="error"',
+  'class="quality-duplicates"',
+  'class="quality-images"',
+  'class="quality-history"',
+], 'Bestehender Quality-Center-Vertrag fehlt');
+
+includesAll(runtime, [
+  'quality-center-ux.css?v=1.44.0',
+  'quality-center-ux.js?v=1.44.0',
+  'data-ux-quality-center',
+  'loadQualityCenterAssets()',
+], 'Theme-Runtime bindet Quality Center nicht vollständig ein');
+
+expect(pkg.scripts?.['verify:quality-center-ux'] === 'node tools/verify-quality-center-ux-1.44.0.mjs', 'verify:quality-center-ux Script fehlt');
+expect(pkg.scripts?.['verify:all']?.includes('npm run verify:quality-center-ux'), 'verify:all enthält das Quality-Center-Gate nicht');
+
+includesAll(js, [
+  'ux-quality-priority-board',
+  'data-ux-quality-status',
+  'ux-quality-filter-panel',
+  'ux-quality-filter-chips',
+  'ux-quality-main-actions',
+  'ux-quality-more-actions',
+  'ux-quality-issue-section',
+  'ux-quality-secondary',
+  'quality-summary-blocked',
+  'quality-summary-ready',
+  'quality-summary-total',
+  'quality-status',
+  'quality-open-article',
+  'quality-open-ai',
+  'quality-run-analysis',
+  'quality-readiness',
+  'quality-issues',
+  'MutationObserver',
+  'requestAnimationFrame',
+  'scrollIntoView',
+  'aria-pressed',
+  'ArrowLeft',
+  'ArrowRight',
+], 'Quality-Center-UX-Vertrag fehlt');
+
+includesAll(css, [
+  '#quality-center.ux-quality-center-ready',
+  '.ux-quality-priority-board',
+  '.ux-quality-priorities',
+  '.ux-quality-filter-panel',
+  '.ux-quality-filter-chips',
+  '.ux-quality-main-actions',
+  '.ux-quality-issue-section',
+  '.ux-quality-secondary',
+  '@media (max-width: 760px)',
+  '@media (max-width: 470px)',
+  '@media (prefers-reduced-motion: reduce)',
+  ':focus-visible',
+  'var(--',
+], 'Quality-Center-CSS-Vertrag fehlt');
+
+expect(!/\bfetch\s*\(/.test(js), 'Additive Quality-Center-UX darf keine eigenen Netzwerkaufrufe ausführen');
+expect(!/\bapi\s*\(/.test(js), 'Additive Quality-Center-UX darf die Vendoo-API nicht direkt aufrufen');
+expect(!/\.innerHTML\s*=/.test(js), 'Quality-Center-UX darf keine innerHTML-Zuweisungen verwenden');
+expect(!/\.outerHTML\s*=/.test(js), 'Quality-Center-UX darf keine outerHTML-Zuweisungen verwenden');
+expect(!/\.onclick\s*=/.test(js), 'Quality-Center-UX darf keine onclick-Zuweisungen verwenden');
+expect(!/confirm\s*\(/.test(js), 'Gefährliche Quality-Center-Aktionen müssen in der bestehenden geprüften Logik bleiben');
+expect(!/\b(?:DELETE|PATCH|POST|PUT)\b/.test(js), 'Quality-Center-UX darf keine Schreiboperationen implementieren');
+expect(!/runQualityAnalysis\s*\(/.test(js), 'UX-Schicht darf keine Qualitätsanalyse direkt auslösen');
+expect(!/generateQualityAiSuggestion\s*\(/.test(js), 'UX-Schicht darf keine AI-Korrektur direkt auslösen');
+expect(!/applyQualityAiSuggestion\s*\(/.test(js), 'UX-Schicht darf keine AI-Vorschläge direkt anwenden');
+expect(!/state\.quality/.test(js), 'Additive UX darf den produktiven Quality-State nicht direkt verändern');
+
+if (failures.length) {
+  console.error('Quality Center UX Gate fehlgeschlagen:');
+  for (const failure of failures) console.error(`- ${failure}`);
+  process.exit(1);
+}
+
+console.log('Quality Center UX Gate bestanden.');
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