fix(cards): audience absence_enfant = AM + co-parents du foyer

Le resolver couple_am n’incluait que le créateur et l’AM ; le co-parent
ne voyait pas la notification. Docs : V1 réponses + modifs via agenda.

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

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

@@ -155,4 +155,75 @@ describe('CardsService (#194)', () => {
       }),
     ).rejects.toBeInstanceOf(ForbiddenException);
   });
+
+  it('parent crée absence_enfant → audience AM + co-parent', async () => {
+    typesRepo.findOne.mockResolvedValue({
+      code: 'absence_enfant',
+      system: true,
+      titre: 'Absence enfant',
+      emitter_roles: [RoleType.PARENT],
+      recipient_roles: [RoleType.ASSISTANTE_MATERNELLE],
+      audience_resolver: 'couple_am',
+      response_mode: CardResponseModeType.NONE,
+      retention_days: 7,
+    });
+    amChildrenRepo.findOne.mockResolvedValue({
+      id: 'pl-1',
+      amId: 'am-1',
+      enfantId: 'e-1',
+      date_fin: null,
+    });
+    parentsChildrenRepo.findOne.mockResolvedValue({
+      parentId: 'p-1',
+      enfantId: 'e-1',
+    });
+    parentsChildrenRepo.find.mockResolvedValue([
+      { parentId: 'p-1', enfantId: 'e-1' },
+      { parentId: 'p-2', enfantId: 'e-1' },
+    ]);
+    evenementsService.creer.mockResolvedValue({
+      id: 'abs-1',
+      type: TypeEvenementAgendaType.ABSENCE_ENFANT,
+      statut: StatutEvenementAgendaType.ACCEPTE,
+    });
+    cardsRepo.findOne.mockResolvedValue({
+      id: 'card-abs',
+      type_code: 'absence_enfant',
+      id_placement: 'pl-1',
+      id_evenement: 'abs-1',
+      cree_par: 'p-1',
+      operation: CardOperationType.CREATE,
+      statut: CardInstanceStatutType.OUVERTE,
+      payload: { date_debut: '2026-10-28', date_fin: '2026-10-29' },
+      purge_at: new Date(),
+      cree_le: new Date(),
+      modifie_le: new Date(),
+      type: {
+        titre: 'Absence enfant',
+        response_mode: CardResponseModeType.NONE,
+        retention_days: 7,
+      },
+      responses: [],
+      audience: [
+        { id_utilisateur: 'p-1' },
+        { id_utilisateur: 'am-1' },
+        { id_utilisateur: 'p-2' },
+      ],
+    });
+
+    await service.creer('p-1', RoleType.PARENT, {
+      type_code: 'absence_enfant',
+      id_placement: 'pl-1',
+      date_debut: '2026-10-28',
+      date_fin: '2026-10-29',
+    });
+
+    const saved = audienceRepo.save.mock.calls[0][0] as Array<{
+      id_utilisateur: string;
+      is_creator: boolean;
+    }>;
+    const ids = saved.map((m) => m.id_utilisateur).sort();
+    expect(ids).toEqual(['am-1', 'p-1', 'p-2']);
+    expect(saved.find((m) => m.id_utilisateur === 'p-2')?.is_creator).toBe(false);
+  });
 });

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

@@ -395,12 +395,25 @@ export class CardsService {
     ];
 
     if (type.audience_resolver === 'couple_am') {
+      // Destinataire métier = AM + miroir foyer : tous les co-parents de l’enfant
       members.push({
         id_card: card.id,
         id_utilisateur: placement.amId,
         role_snapshot: RoleType.ASSISTANTE_MATERNELLE,
         is_creator: false,
       });
+      const liensAm = await this.parentsChildrenRepo.find({
+        where: { enfantId: placement.enfantId },
+      });
+      for (const l of liensAm) {
+        if (l.parentId === creatorId) continue;
+        members.push({
+          id_card: card.id,
+          id_utilisateur: l.parentId,
+          role_snapshot: RoleType.PARENT,
+          is_creator: false,
+        });
+      }
     } else if (type.audience_resolver === 'couple_parents') {
       const liens = await this.parentsChildrenRepo.find({
         where: { enfantId: placement.enfantId },