feat: F014 compare view — side-by-side decision table with AI summary

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/match-center/MatchBriefingPanel.tsx

@@ -66,7 +66,7 @@ export function MatchBriefingPanel() {
       label: 'Vergleichen',
       actionType: 'ADD_COMPARE',
       variant: 'secondary',
-      onClick: () => { addToCompare(property.id); navigate('/demand/compare') },
+      onClick: () => { addToCompare(result); navigate('/demand/compare') },
     },
     {
       id: 'details',