feat(#135): mode édition dossier + ajout co-parent (squash develop).

Wizard edit famille/AM, POST co-parent, PATCH enfants avec photo.

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

backend/src/routes/enfants/enfants.service.ts

@@ -195,7 +195,12 @@ export class EnfantsService {
 
 
   // Mise à jour
-  async update(id: string, dto: Partial<CreateEnfantsDto>, currentUser: Users): Promise<Children> {
+  async update(
+    id: string,
+    dto: Partial<CreateEnfantsDto>,
+    currentUser: Users,
+    photoFile?: Express.Multer.File,
+  ): Promise<Children> {
     const child = await this.childrenRepository.findOne({ where: { id } });
     if (!child) throw new NotFoundException('Enfant introuvable');
 
@@ -205,6 +210,13 @@ export class EnfantsService {
       patch.consent_photo = dto.consent_photo;
       patch.consent_photo_at = dto.consent_photo ? new Date() : null!;
     }
+    if (photoFile) {
+      patch.photo_url = `/uploads/photos/${photoFile.filename}`;
+      if (dto.consent_photo !== false) {
+        patch.consent_photo = true;
+        patch.consent_photo_at = new Date();
+      }
+    }
 
     await this.childrenRepository.update(id, patch);
     return this.findOne(id, currentUser);