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>

package.json

@@ -47,6 +47,7 @@
     "eslint-plugin-react-refresh": "^0.5.2",
     "globals": "^17.6.0",
     "jsdom": "^29.1.1",
+    "playwright": "^1.61.0",
     "tailwindcss": "^4.3.0",
     "typescript": "~6.0.2",
     "typescript-eslint": "^8.59.2",