feat(supply): Anfragencenter — embedded property cards in public need detail

Add EmbeddedPropertyCard and surface matching properties inside the
public need detail view. Add needToParsedCriteria() mapper to convert a
stored Need back into parsed criteria for re-running search/matching.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/components/anfragencenter/index.ts

@@ -15,6 +15,7 @@ export { PublicNeedCard } from './PublicNeedCard'
 export { PublicNeedDetail } from './PublicNeedDetail'
 export { OwnPropertyMatchList } from './OwnPropertyMatchList'
 export { SelectablePropertyMatchCard } from './SelectablePropertyMatchCard'
+export { EmbeddedPropertyCard } from './EmbeddedPropertyCard'
 export { OfferCreationPanel } from './OfferCreationPanel'
 export { OfferPropertySelectionStep } from './OfferPropertySelectionStep'
 export { OfferPdfReviewStep } from './OfferPdfReviewStep'