feat: remove EXTERNAL_MARKET result type entirely

All external market properties now surface as VERIFIED_PORTFOLIO.
Removes the type from enums, domain types, mock data, matching engine,
components, hooks, and tests — zero user-visible distinction remains.

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

src/components/badges/ResultTypeBadge.tsx

@@ -1,5 +1,5 @@
 import { Chip } from '@mui/material'
-import { ShieldCheck, Globe, Building2, Sparkles } from 'lucide-react'
+import { ShieldCheck, Building2, Sparkles } from 'lucide-react'
 import type { ResultType } from '../../domain/enums'
 import { DS_COLORS } from '../../lib/ds'
 import { RESULT_TYPE_LABELS } from '../../lib/constants'
@@ -11,7 +11,6 @@ interface ResultTypeBadgeProps {
 
 const ICONS: Record<ResultType, React.ElementType> = {
   VERIFIED_PORTFOLIO:  ShieldCheck,
-  EXTERNAL_MARKET:     Globe,
   MAISON_WORK:         Building2,
   FUTURE_AVAILABILITY: Sparkles,
 }

src/components/cards/SourceTypeBadge.tsx

@@ -10,7 +10,6 @@ interface SourceTypeBadgeProps {
 
 const CONFIG: Record<string, { bg: string; color: string; Icon: React.ElementType }> = {
   VERIFIED_PORTFOLIO:  { bg: 'rgba(30,58,95,0.1)',   color: '#1e3a5f', Icon: ShieldCheck },
-  EXTERNAL_MARKET:     { bg: 'rgba(217,119,6,0.1)',  color: '#b45309', Icon: Globe },
   MAISON_WORK:         { bg: 'rgba(3,105,161,0.1)',  color: '#0369a1', Icon: Building2 },
   FUTURE_AVAILABILITY: { bg: 'rgba(124,58,237,0.1)', color: '#6d28d9', Icon: Sparkles },
 }

src/components/layout/CompareTray.tsx

@@ -5,7 +5,6 @@ import { useCompareStore } from '../../stores/compareStore'
 
 const TYPE_DOT: Record<string, string> = {
   VERIFIED_PORTFOLIO:  '#1e3a5f',
-  EXTERNAL_MARKET:     '#d97706',
   MAISON_WORK:         '#0369a1',
   FUTURE_AVAILABILITY: '#7c3aed',
 }

src/components/match-card/MatchCardCompareMini.tsx

@@ -5,7 +5,6 @@ import type { MatchCardViewModel } from './MatchCardViewModel'
 
 const RESULT_TYPE_META: Record<string, { label: string; color: string }> = {
   VERIFIED_PORTFOLIO:  { label: 'Verified',    color: '#1e3a5f' },
-  EXTERNAL_MARKET:     { label: 'Direkt',      color: '#d97706' },
   MAISON_WORK:         { label: 'Maison Work', color: '#0369a1' },
   FUTURE_AVAILABILITY: { label: 'Signal',      color: '#7c3aed' },
 }

src/components/match-detail/MatchDetailHeader.tsx

@@ -7,7 +7,6 @@ import type { FutureSignal } from '../../domain/futureSignal'
 
 const RESULT_TYPE_META: Record<string, { label: string; color: string }> = {
   VERIFIED_PORTFOLIO:  { label: 'Verified Portfolio', color: '#1e3a5f' },
-  EXTERNAL_MARKET:     { label: 'Direktinserat',      color: '#d97706' },
   MAISON_WORK:         { label: 'Maison Work',        color: '#0369a1' },
   FUTURE_AVAILABILITY: { label: 'Zukunftssignal',     color: '#7c3aed' },
 }

src/components/shortlist/ShortlistDetail.tsx

@@ -72,7 +72,7 @@ export function ShortlistDetail({ shortlist }: Props) {
         matchId: item.resultId,
         needId: '',
         matchScore: item.matchScore,
-        resultType: item.resultType as 'VERIFIED_PORTFOLIO' | 'EXTERNAL_MARKET' | 'MAISON_WORK',
+        resultType: item.resultType as 'VERIFIED_PORTFOLIO' | 'MAISON_WORK',
         property: { id: item.propertyId ?? item.resultId, title: item.title } as any,
         match: { id: item.resultId, matchScore: item.matchScore, confidenceLevel: item.confidenceScore ?? 0.8 } as any,
       }

src/components/shortlist/ShortlistItemCard.tsx

@@ -11,7 +11,6 @@ import type { ShortlistItem } from '../../domain/shortlist'
 
 const RESULT_TYPE_LABEL: Record<string, string> = {
   VERIFIED_PORTFOLIO: 'Portfolio',
-  EXTERNAL_MARKET: 'Direkt',
   MAISON_WORK: 'Maison Work',
   FUTURE_AVAILABILITY: 'Signal',
 }