fix: property-level scoring for multi-unit properties + multi-unit chip

For properties with explicit sub-units (e.g. prop-001: 280/310/260 m²),
synthetic matching now generates ONE property-level match using the aggregate
areaSqm (850 m²) instead of per-unit matches — ensuring a need for 800-1000 m²
correctly scores the whole floor as +20 (STRONG) rather than -10 each unit.

Pre-market unit-level matches are still generated per released unit so tenants
seeking smaller spaces still see the specific unit signals.

Card shows "X Einheiten · total Y m²" chip when a multi-unit property is matched
at property level (no specific unit assigned).

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

src/components/match-card/IntelligenceMatchCard.tsx

@@ -399,7 +399,7 @@ export function IntelligenceMatchCard({ vm, imageUrl, lat, lng, cityLabel }: Pro
           {[vm.locationLabel, vm.availabilityLabel].filter(Boolean).join(' · ')}
         </Typography>
 
-        {/* Unit context — only shown when a specific named unit is known */}
+        {/* Specific named unit */}
         {vm.preMarketUnit?.unitLabel && (
           <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.75, mt: 0.5 }}>
             <Chip
@@ -413,6 +413,20 @@ export function IntelligenceMatchCard({ vm, imageUrl, lat, lng, cityLabel }: Pro
           </Box>
         )}
 
+        {/* Multi-unit property: no specific unit matched — show aggregate summary */}
+        {!vm.preMarketUnit && (vm.preMarketAllUnits?.length ?? 0) > 1 && (
+          <Box sx={{ display: 'flex', alignItems: 'center', gap: 0.75, mt: 0.5 }}>
+            <Chip
+              size="small"
+              label={`${vm.preMarketAllUnits!.length} Einheiten`}
+              sx={{ height: 18, fontSize: '0.62rem', bgcolor: '#eff6ff', color: '#1e40af', border: '1px solid #bfdbfe' }}
+            />
+            <Typography variant="caption" sx={{ color: '#64748b', fontSize: '0.68rem' }}>
+              total {vm.preMarketAllUnits!.reduce((s, u) => s + u.areaSqm, 0).toLocaleString('de-CH')} m²
+            </Typography>
+          </Box>
+        )}
+
         {/* Regular explainability summary */}
         {vm.explainabilitySummary && (
           <>

src/provider/MockupNeedProvider.ts

@@ -6,7 +6,6 @@ import { propertyStore } from './MockupPropertyProvider'
 import { MatchStrength, MatchStatus, RiskLevel } from '../domain/enums'
 import type { Match } from '../domain/match'
 import { getEffectiveUnits } from '../domain/property'
-import type { PropertyUnit } from '../domain/property'
 
 const store: Need[] = [...mockNeeds]
 
@@ -26,7 +25,6 @@ function locationScore(propCity: string, preferredLocations: string[]): number {
     const p = pref.toLowerCase()
     if (pc.includes(p) || p.includes(pc)) return 1.0
   }
-  // Same canton check
   const propCanton = CANTON_MAP[pc]
   if (propCanton) {
     for (const pref of preferredLocations) {
@@ -42,45 +40,38 @@ function computeScore(
     assetType: string
     location: { city: string }
     resultType?: string
-    rentPricePerSqm: number
   },
-  unit: PropertyUnit,
   need: Need,
+  areaSqm: number,
+  rentPricePerSqm: number | undefined,
+  isPreMarket = false,
 ): number | null {
   if (need.assetType && prop.assetType !== need.assetType) return null
 
   const locScore = locationScore(prop.location.city, need.preferredLocations ?? [])
-
-  // Location dominates: same city → 65 base, same canton → 42, other → 28
   let score = locScore >= 0.9 ? 65 : locScore >= 0.5 ? 42 : 28
 
-  // Area — use unit area (more precise than property aggregate)
-  if (need.requiredArea && unit.areaSqm) {
+  if (need.requiredArea && areaSqm) {
     const { min, max } = need.requiredArea
-    if (unit.areaSqm >= min && unit.areaSqm <= max) score += 20
-    else if (unit.areaSqm >= min * 0.7 && unit.areaSqm <= max * 1.5) score += 10
-    else if (unit.areaSqm < min * 0.5 || unit.areaSqm > max * 2) score -= 10
+    if (areaSqm >= min && areaSqm <= max) score += 20
+    else if (areaSqm >= min * 0.7 && areaSqm <= max * 1.5) score += 10
+    else if (areaSqm < min * 0.5 || areaSqm > max * 2) score -= 10
   }
 
-  // Budget — prefer unit-level rent, fall back to property rent; both stored as annual CHF/m²
-  const effectiveRent = unit.rentPricePerSqm ?? prop.rentPricePerSqm
-  if (need.budgetRange?.maxPerSqm && effectiveRent) {
-    const monthlyRate = effectiveRent / 12
+  if (need.budgetRange?.maxPerSqm && rentPricePerSqm) {
+    const monthlyRate = rentPricePerSqm / 12
     if (monthlyRate <= need.budgetRange.maxPerSqm) score += 10
     else if (monthlyRate <= need.budgetRange.maxPerSqm * 1.2) score += 3
     else score -= 8
   }
 
-  // Discount: external future signals score lower (probabilistic), pre-market units slightly lower
   if (prop.resultType === 'FUTURE_AVAILABILITY') {
     score = Math.round(score * 0.82)
-  } else if (unit.schattenmarktRelease?.enabled) {
+  } else if (isPreMarket) {
     score = Math.round(score * 0.92)
   }
 
-  // Small jitter so results look natural
   score += Math.floor(Math.random() * 6) - 2
-
   return Math.min(97, Math.max(22, score))
 }
 
@@ -90,71 +81,106 @@ function strengthFromScore(s: number): string {
   return MatchStrength.WEAK
 }
 
+function buildMatch(
+  prop: typeof propertyStore[0],
+  unitId: string | undefined,
+  need: Need,
+  score: number,
+  effectiveResultType: string,
+  resultId: string,
+  isGoodLoc: boolean,
+  areaLabel: string,
+  now: string,
+): Match {
+  return {
+    id: crypto.randomUUID(),
+    propertyId: prop.id,
+    unitId,
+    needId: need.id,
+    resultId,
+    resultType: effectiveResultType as Match['resultType'],
+    matchScore: score,
+    matchStrength: strengthFromScore(score) as typeof MatchStrength[keyof typeof MatchStrength],
+    status: MatchStatus.PENDING_REVIEW,
+    scoreBreakdown: {
+      hardMatchScore: score + 5,
+      softFactorScore: score - 5,
+      confidenceModifier: isGoodLoc ? 0.96 : 0.82,
+      dataQualityModifier: 0.92,
+      totalScore: score,
+    },
+    positiveFactors: isGoodLoc
+      ? [{ criterion: 'Standort', weight: 0.25, score: 92, contribution: 23, explanation: `${prop.location.city} – bevorzugter Standort` }]
+      : [{ criterion: 'Fläche', weight: 0.25, score: 70, contribution: 17.5, explanation: `${areaLabel} verfügbar` }],
+    negativeFactors: !isGoodLoc
+      ? [{ criterion: 'Standort', weight: 0.25, score: 35, contribution: 8.75, explanation: `${prop.location.city} liegt außerhalb der bevorzugten Region` }]
+      : [],
+    tradeoffs: !isGoodLoc
+      ? [{ criterion: 'Standort', concern: `${prop.location.city} ist nicht im Präferenzgebiet`, severity: 'MEDIUM' as const }]
+      : [],
+    explainabilitySummary: isGoodLoc
+      ? `${prop.location.city} trifft den Standortwunsch. ${areaLabel} entspricht den Kernkriterien.`
+      : `Abweichender Standort (${prop.location.city}). Nur bei Engpass im Zielgebiet empfohlen.`,
+    confidenceLevel: isGoodLoc ? 0.88 : 0.60,
+    riskLevel: isGoodLoc ? RiskLevel.LOW : RiskLevel.MEDIUM,
+    uncertaintyIndicators: isGoodLoc ? [] : ['Standort außerhalb Präferenz'],
+    organizationId: 'org-wincasa',
+    createdAt: now,
+    updatedAt: now,
+  }
+}
+
 function generateSyntheticMatches(need: Need) {
   const now = new Date().toISOString()
 
   for (const prop of propertyStore) {
-    for (const unit of getEffectiveUnits(prop)) {
-      const score = computeScore(prop, unit, need)
-      if (score === null || score < 25) continue
+    const hasExplicitUnits = (prop.units ?? []).length > 0
 
-      const locS = locationScore(prop.location.city, need.preferredLocations ?? [])
-      const isGoodLoc = locS >= 0.9
-
-      // Unit with pre-market release → FUTURE_AVAILABILITY so demand users see PRE-MARKET VERIFIED card
-      // External future signals (property-level) → FUTURE_AVAILABILITY
-      const isPreMarket = unit.schattenmarktRelease?.enabled === true
-      const isFutureProp = prop.resultType === 'FUTURE_AVAILABILITY'
-      const effectiveResultType = (isPreMarket || isFutureProp)
-        ? 'FUTURE_AVAILABILITY'
-        : (prop.resultType ?? 'VERIFIED_PORTFOLIO')
-
-      // Signal ID must match what useSchattenmarktSignals generates:
-      //   unit-level → schattenmarkt-{propId}-{unitId}
-      //   property-level fallback (unit.id === prop.id) → schattenmarkt-{propId}
-      const resultId = isPreMarket
-        ? (unit.id === prop.id ? `schattenmarkt-${prop.id}` : `schattenmarkt-${prop.id}-${unit.id}`)
-        : prop.id
-
-      const unitAreaLabel = `${unit.areaSqm.toLocaleString('de-CH')} m²`
-      const match: Match = {
-        id: crypto.randomUUID(),
-        propertyId: prop.id,
-        unitId: unit.id,
-        needId: need.id,
-        resultId,
-        resultType: effectiveResultType as Match['resultType'],
-        matchScore: score,
-        matchStrength: strengthFromScore(score) as typeof MatchStrength[keyof typeof MatchStrength],
-        status: MatchStatus.PENDING_REVIEW,
-        scoreBreakdown: {
-          hardMatchScore: score + 5,
-          softFactorScore: score - 5,
-          confidenceModifier: isGoodLoc ? 0.96 : 0.82,
-          dataQualityModifier: 0.92,
-          totalScore: score,
-        },
-        positiveFactors: isGoodLoc
-          ? [{ criterion: 'Standort', weight: 0.25, score: 92, contribution: 23, explanation: `${prop.location.city} – bevorzugter Standort` }]
-          : [{ criterion: 'Fläche', weight: 0.25, score: 70, contribution: 17.5, explanation: `${unitAreaLabel} verfügbar` }],
-        negativeFactors: !isGoodLoc
-          ? [{ criterion: 'Standort', weight: 0.25, score: 35, contribution: 8.75, explanation: `${prop.location.city} liegt außerhalb der bevorzugten Region` }]
-          : [],
-        tradeoffs: !isGoodLoc
-          ? [{ criterion: 'Standort', concern: `${prop.location.city} ist nicht im Präferenzgebiet`, severity: 'MEDIUM' as const }]
-          : [],
-        explainabilitySummary: isGoodLoc
-          ? `${prop.location.city} trifft den Standortwunsch. Einheit (${unitAreaLabel}) entspricht den Kernkriterien.`
-          : `Abweichender Standort (${prop.location.city}). Nur bei Engpass im Zielgebiet empfohlen.`,
-        confidenceLevel: isGoodLoc ? 0.88 : 0.60,
-        riskLevel: isGoodLoc ? RiskLevel.LOW : RiskLevel.MEDIUM,
-        uncertaintyIndicators: isGoodLoc ? [] : ['Standort außerhalb Präferenz'],
-        organizationId: 'org-wincasa',
-        createdAt: now,
-        updatedAt: now,
+    if (hasExplicitUnits) {
+      // Multi-unit property: score against aggregate area (tenants renting the whole floor/building)
+      const propScore = computeScore(prop, need, prop.areaSqm, prop.rentPricePerSqm)
+      if (propScore !== null && propScore >= 25) {
+        const isGoodLoc = locationScore(prop.location.city, need.preferredLocations ?? []) >= 0.9
+        matchStore.push(buildMatch(
+          prop, undefined, need, propScore,
+          prop.resultType ?? 'VERIFIED_PORTFOLIO', prop.id,
+          isGoodLoc, `${prop.areaSqm.toLocaleString('de-CH')} m²`, now,
+        ))
       }
 
-      matchStore.push(match)
+      // Unit-level pre-market: generate per released unit (for tenants seeking that specific unit size)
+      for (const unit of prop.units!) {
+        if (!unit.schattenmarktRelease?.enabled) continue
+        const unitScore = computeScore(prop, need, unit.areaSqm, unit.rentPricePerSqm ?? prop.rentPricePerSqm, true)
+        if (unitScore === null || unitScore < 25) continue
+        const resultId = `schattenmarkt-${prop.id}-${unit.id}`
+        const isGoodLoc = locationScore(prop.location.city, need.preferredLocations ?? []) >= 0.9
+        matchStore.push(buildMatch(
+          prop, unit.id, need, unitScore,
+          'FUTURE_AVAILABILITY', resultId,
+          isGoodLoc, `${unit.areaSqm.toLocaleString('de-CH')} m²`, now,
+        ))
+      }
+    } else {
+      // No explicit units: use getEffectiveUnits (whole property synthesised as one unit)
+      for (const unit of getEffectiveUnits(prop)) {
+        const isPreMarket = unit.schattenmarktRelease?.enabled === true
+        const isFutureProp = prop.resultType === 'FUTURE_AVAILABILITY'
+        const score = computeScore(prop, need, unit.areaSqm, unit.rentPricePerSqm ?? prop.rentPricePerSqm, isPreMarket)
+        if (score === null || score < 25) continue
+
+        const effectiveResultType = (isPreMarket || isFutureProp)
+          ? 'FUTURE_AVAILABILITY'
+          : (prop.resultType ?? 'VERIFIED_PORTFOLIO')
+        const resultId = isPreMarket ? `schattenmarkt-${prop.id}` : prop.id
+        const isGoodLoc = locationScore(prop.location.city, need.preferredLocations ?? []) >= 0.9
+
+        matchStore.push(buildMatch(
+          prop, undefined, need, score,
+          effectiveResultType, resultId,
+          isGoodLoc, `${unit.areaSqm.toLocaleString('de-CH')} m²`, now,
+        ))
+      }
     }
   }
 }