feat(domain): F004 – expand domain model layer

- need.ts: add SizeRange, MustHaveCriterion, WeightedPreference types; extend Need with desiredLocation, sizeRange, mustHaveCriteria, weightedPreferences, status
- futureSignal.ts: add SignalEvidence type; extend FutureSignal with title, evidence, matchabilityScore, reviewStatus
- aiOutput.ts: new AIOutput entity with type, inputHash, outputJson, provider/model/promptVersion/schemaVersion, reviewStatus
- activityEvent.ts: new ActivityEvent entity with actorId, action, entityType, entityId, timestamp, metadata
- unifiedResult.ts: discriminated union (VerifiedPortfolioResult | ExternalMarketResult | FutureAvailabilityResult)
- index.ts: export all three new files
- Properties.tsx: add LIGHT_INDUSTRIAL + UNKNOWN cases to exhaustive switches

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

src/domain/property.ts

@@ -1,14 +1,17 @@
-import type { AssetType, ResultType, AvailabilityStatus, DataFreshness, RiskLevel } from './enums'
+import type {
+  AssetType, ResultType, AvailabilityStatus, AvailabilityType,
+  FreshnessStatus, RiskLevel, SourceType, DataQualityLevel,
+} from './enums'
+
+// ── Location / Address ────────────────────────────────────────────────────────
 
 export interface Location {
   city: string
   district?: string
   canton?: string
+  region?: string
   country: string
-  coordinates?: {
-    lat: number
-    lng: number
-  }
+  coordinates?: { lat: number; lng: number }
 }
 
 export interface Address {
@@ -19,10 +22,58 @@ export interface Address {
   country: string
 }
 
+// ── Source Metadata ───────────────────────────────────────────────────────────
+
+export interface SourceMeta {
+  sourceType: SourceType | string
+  sourceLabel?: string
+  sourceUrl?: string
+  sourceUpdatedAt?: string
+  externalId?: string
+}
+
+// ── Data Quality ──────────────────────────────────────────────────────────────
+
+export interface DataQuality {
+  score: number
+  qualityLevel?: DataQualityLevel
+  missingCriticalFields: string[]
+  missingOptionalFields: string[]
+  lastVerifiedAt?: string
+  freshness: FreshnessStatus
+  warnings: string[]
+}
+
+// ── Hard Facts ────────────────────────────────────────────────────────────────
+
+export interface PropertyHardFacts {
+  floor?: number
+  fitOut?: 'SHELL' | 'BASIC' | 'FULL' | 'PREMIUM'
+  parking?: number
+  publicTransportScore?: number
+  usageType?: string
+  ceilingHeightM?: number
+  loadingDocksCount?: number
+  powerSupplyKva?: number
+  hasServerRoom?: boolean
+  isBarrierFree?: boolean
+}
+
+// ── Soft Factors ──────────────────────────────────────────────────────────────
+
 export interface SoftFactors {
+  prestigeScore?: number
+  visibilityScore?: number
+  footfallScore?: number
+  commuterAccessScore?: number
+  talentAccessScore?: number
+  esgScore?: number
+  flexibilityScore?: number
+  expansionPotentialScore?: number
+  taxEnvironmentScore?: number
+  // Legacy aliases kept for mock-data backward compatibility
   prestige?: number
   accessibility?: number
-  visibilityScore?: number
   talentAccess?: number
   esgRating?: string
   passerbyFrequency?: 'LOW' | 'MEDIUM' | 'HIGH' | 'VERY_HIGH'
@@ -31,40 +82,55 @@ export interface SoftFactors {
   infrastructureNotes?: string
 }
 
-export interface DataQuality {
-  score: number
-  missingCriticalFields: string[]
-  missingOptionalFields: string[]
-  lastVerifiedAt?: string
-  freshness: DataFreshness
-  warnings: string[]
-}
+// ── Property ──────────────────────────────────────────────────────────────────
 
 export interface Property {
   id: string
+  organizationId?: string
   title: string
+
   assetType: AssetType
   resultType: ResultType
+
   location: Location
   address: Address
+
   areaSqm: number
+  areaSqmMin?: number
+  areaSqmMax?: number
+
   rentPricePerSqm: number
+  rentChfSqmYear?: number
   totalRentMonthly?: number
+  ancillaryCosts?: number
+
   availabilityDate: string
   availabilityStatus: AvailabilityStatus
+  availabilityType?: AvailabilityType
+
   sourceType: string
+  sourceLabel?: string
   sourceUrl?: string
+  sourceUpdatedAt?: string
+  sourceMeta?: SourceMeta
+
   confidenceScore: number
   dataQuality: DataQuality
+
   softFactors?: SoftFactors
+  hardFacts?: PropertyHardFacts
+
+  // Legacy fields — kept for backward compat
   floorLevel?: number
   expansionPotentialSqm?: number
+
   contractDurationMonths?: number
-  ancillaryCosts?: number
   riskLevel?: RiskLevel
   description?: string
   images?: string[]
-  organizationId?: string
+
+  status?: 'ACTIVE' | 'INACTIVE' | 'DRAFT' | 'ARCHIVED'
+  lastReviewedAt?: string
   createdAt: string
   updatedAt: string
 }