feat: F029 intelligence card system — premium AI-native CRE cards

Gold/Silver/Bronze FIFA-style score badges overlaid on location imagery.
List/grid view toggle on Results and Properties pages (persisted in
localStorage). IntelligenceMatchCard for match results grid view;
PropertyIntelligenceCard for property grid view with warm brown theme.
LocationPreview component with Google Maps link. 10 mock properties
enriched with Unsplash building images.

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

src/components/results/UnifiedResultFeed.tsx

@@ -1,15 +1,27 @@
+import { Box } from '@mui/material'
 import type { UnifiedMatchResult } from '../../domain/unifiedResult'
 import { UnifiedResultCard } from './UnifiedResultCard'
 
 interface Props {
   results: UnifiedMatchResult[]
+  view?: 'list' | 'grid'
 }
 
-export function UnifiedResultFeed({ results }: Props) {
+export function UnifiedResultFeed({ results, view = 'list' }: Props) {
+  if (view === 'grid') {
+    return (
+      <Box sx={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(320px, 1fr))', gap: 2 }}>
+        {results.map(result => (
+          <UnifiedResultCard key={result.matchId} result={result} view="grid" />
+        ))}
+      </Box>
+    )
+  }
+
   return (
     <>
       {results.map(result => (
-        <UnifiedResultCard key={result.matchId} result={result} />
+        <UnifiedResultCard key={result.matchId} result={result} view="list" />
       ))}
     </>
   )