feat: Steuerlast-Kriterium, ImmoScout-Layout, Gold/Silver/Bronze-Trennung

- Flächensuche: Flexibilität durch Steuerlast (taxEnvironment) ersetzt
- MatchDetail: Bild als Hero-Banner oben, Karte eingebettet im Inhalt darunter
- Ergebnisliste: Gold/Silber/Bronze-Abschnitte mit farbigen Trennlinien
- ScoreBreakdown: KI-Steuerlast-Link zur kantonalen Steuerrechner-Seite
- Beispieldaten: alle Objekte mit passenden Bildern versehen
- locationIntelligence: taxCalculatorUrl pro Kanton ergänzt

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

src/components/results/UnifiedResultFeed.tsx

@@ -1,28 +1,107 @@
-import { Box } from '@mui/material'
+import { Box, Chip, Divider, Typography } from '@mui/material'
 import type { UnifiedMatchResult } from '../../domain/unifiedResult'
 import { UnifiedResultCard } from './UnifiedResultCard'
+import { SCORE_THEME } from '../shared/scoreTheme'
 
 interface Props {
   results: UnifiedMatchResult[]
   view?: 'list' | 'grid'
 }
 
-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>
-    )
-  }
+const TIER_CONFIG = [
+  {
+    key: 'gold'   as const,
+    label: 'Top Matches',
+    sublabel: '90–100 Punkte',
+    filter: (r: UnifiedMatchResult) => r.matchScore >= 90,
+  },
+  {
+    key: 'silver' as const,
+    label: 'Starke Matches',
+    sublabel: '80–89 Punkte',
+    filter: (r: UnifiedMatchResult) => r.matchScore >= 80 && r.matchScore < 90,
+  },
+  {
+    key: 'bronze' as const,
+    label: 'Weitere Treffer',
+    sublabel: 'unter 80 Punkte',
+    filter: (r: UnifiedMatchResult) => r.matchScore < 80,
+  },
+]
 
+interface TierHeaderProps {
+  label: string
+  sublabel: string
+  tierKey: 'gold' | 'silver' | 'bronze'
+  count: number
+  isFirst: boolean
+}
+
+function TierHeader({ label, sublabel, tierKey, count, isFirst }: TierHeaderProps) {
+  const theme = SCORE_THEME[tierKey]
   return (
-    <>
-      {results.map(result => (
-        <UnifiedResultCard key={result.matchId} result={result} view="list" />
-      ))}
-    </>
+    <Box sx={{ display: 'flex', alignItems: 'center', gap: 1.5, mt: isFirst ? 0 : 3, mb: 1.5 }}>
+      <Box
+        sx={{
+          width: 4,
+          height: 28,
+          borderRadius: 2,
+          background: theme.gradient,
+          flexShrink: 0,
+        }}
+      />
+      <Box>
+        <Typography variant="subtitle1" sx={{ fontWeight: 700, lineHeight: 1.2, color: theme.text === '#7a4f00' ? '#92400e' : theme.text === '#334155' ? '#1e293b' : '#7c3d12' }}>
+          {label}
+        </Typography>
+        <Typography variant="caption" color="text.secondary">{sublabel}</Typography>
+      </Box>
+      <Chip
+        label={count}
+        size="small"
+        sx={{
+          fontWeight: 700,
+          fontSize: '0.75rem',
+          background: theme.gradient,
+          color: theme.text,
+          border: `1px solid ${theme.border}`,
+        }}
+      />
+      <Divider sx={{ flex: 1 }} />
+    </Box>
+  )
+}
+
+export function UnifiedResultFeed({ results, view = 'list' }: Props) {
+  const tiers = TIER_CONFIG.map(t => ({ ...t, items: results.filter(t.filter) }))
+    .filter(t => t.items.length > 0)
+
+  return (
+    <Box>
+      {tiers.map((tier, idx) => (
+        <Box key={tier.key}>
+          <TierHeader
+            label={tier.label}
+            sublabel={tier.sublabel}
+            tierKey={tier.key}
+            count={tier.items.length}
+            isFirst={idx === 0}
+          />
+          {view === 'grid' ? (
+            <Box sx={{ display: 'grid', gridTemplateColumns: 'repeat(auto-fill, minmax(320px, 1fr))', gap: 2 }}>
+              {tier.items.map(result => (
+                <UnifiedResultCard key={result.matchId} result={result} view="grid" />
+              ))}
+            </Box>
+          ) : (
+            <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1.5 }}>
+              {tier.items.map(result => (
+                <UnifiedResultCard key={result.matchId} result={result} view="list" />
+              ))}
+            </Box>
+          )}
+        </Box>
+      ))}
+    </Box>
   )
 }