docs+fix(#173): API cards sans couleur ; alignement evenements_agenda

Couleur = mapping front (type_code). Spec §32 / mini-spec bulles.
Rebase sur develop (#205).

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/modules/cards/cards.service.ts

@@ -53,9 +53,32 @@ export class CardsService {
     private readonly realtime: CardsRealtimeService,
   ) {}
 
-  async listerTypes(role: RoleType): Promise<CardType[]> {
+  async listerTypes(role: RoleType): Promise<
+    Pick<
+      CardType,
+      | 'code'
+      | 'system'
+      | 'titre'
+      | 'emitter_roles'
+      | 'recipient_roles'
+      | 'audience_resolver'
+      | 'response_mode'
+      | 'retention_days'
+    >[]
+  > {
     const all = await this.typesRepo.find({ where: { system: true } });
-    return all.filter((t) => t.emitter_roles.includes(role));
+    return all
+      .filter((t) => t.emitter_roles.includes(role))
+      .map((t) => ({
+        code: t.code,
+        system: t.system,
+        titre: t.titre,
+        emitter_roles: t.emitter_roles,
+        recipient_roles: t.recipient_roles,
+        audience_resolver: t.audience_resolver,
+        response_mode: t.response_mode,
+        retention_days: t.retention_days,
+      }));
   }
 
   async lister(
@@ -469,7 +492,6 @@ export class CardsService {
       id: card.id,
       type_code: card.type_code,
       titre: card.type?.titre ?? card.type_code,
-      couleur: card.type?.couleur ?? null,
       id_placement: card.id_placement,
       id_evenement: card.id_evenement ?? null,
       operation: card.operation,