Annuaire: afficher la photo de vitrine (fallback logo)

- getActiveMembersWithCategory renvoie coverUrl + logoUrl
- Carte annuaire affiche l'image de vitrine (coverUrl) ; si absente,
  bascule sur le logo (logoUrl) ; sinon placeholder raye

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/lib/queries.ts

@@ -10,6 +10,8 @@ export async function getActiveMembersWithCategory() {
       description: members.description,
       city: members.city,
       address: members.address,
+      coverUrl: members.coverUrl,
+      logoUrl: members.logoUrl,
       categoryLabel: categories.label,
       accent: categories.accent,
     })