Implement house points system: Add houseJoinPoints, houseLeavePoints, and houseCreatePoints to SitePreferences model and update related services. Enhance house management features to award and deduct points for house creation, membership removal, and leaving a house. Update environment configuration for PostgreSQL and adjust UI components to reflect new functionalities.

components/houses/HouseCard.tsx

@@ -60,6 +60,8 @@ export default function HouseCard({ house, onRequestSent }: HouseCardProps) {
       const result = await requestToJoin(house.id);
 
       if (result.success) {
+        // Rafraîchir le badge d'invitations/demandes dans le header
+        window.dispatchEvent(new Event("refreshInvitations"));
         setSuccess("Demande envoyée avec succès");
         onRequestSent?.();
       } else {