feat(#159): suppressions métier dossiers/parents/enfants/AM/staff.

SuppressionService + DELETE /dossiers/:numero, cascades DELETE /users et
DELETE /enfants?deleteDossier, flag sans_enfant, specs front #160.

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

backend/src/routes/enfants/enfants.module.ts

@@ -6,13 +6,16 @@ import { Children } from 'src/entities/children.entity';
 import { Parents } from 'src/entities/parents.entity';
 import { ParentsChildren } from 'src/entities/parents_children.entity';
 import { AuthModule } from '../auth/auth.module';
+import { SuppressionsModule } from '../suppressions/suppressions.module';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Children, Parents, ParentsChildren]),
-    AuthModule
-
+  imports: [
+    TypeOrmModule.forFeature([Children, Parents, ParentsChildren]),
+    AuthModule,
+    SuppressionsModule,
   ],
   controllers: [EnfantsController],
-  providers: [EnfantsService]
+  providers: [EnfantsService],
+  exports: [EnfantsService],
 })
 export class EnfantsModule { }