AI Implementation feature(900): Admin Area Challenges: List, Import/Export and Add/Edit Modal 1.00 (#41)

frontend/src/app/features/admin/challenges/challenges.component.ts

@@ -15,8 +15,10 @@ import {
   AdminService,
   AdminCategory,
   AdminChallengeListItem,
+  CreateChallengeBody,
   ImportPreviewResponse,
   ImportResultResponse,
+  UpdateChallengeBody,
 } from '../../../core/services/admin.service';
 import {
   buildExportFilename,
@@ -334,17 +336,18 @@ export class AdminChallengesComponent implements OnInit, OnDestroy {
     this.fieldErrors.set(null);
   }
 
-  async onFormSubmit(payload: any): Promise<void> {
+  async onFormSubmit(payload: { body: CreateChallengeBody | UpdateChallengeBody }): Promise<void> {
     this.saving.set(true);
     this.formError.set(null);
     this.fieldErrors.set(null);
+    const body = payload.body;
     try {
       if (this.formMode() === 'create') {
-        await this.admin.createChallenge(payload);
+        await this.admin.createChallenge(body as CreateChallengeBody);
       } else {
         const detail = this.formDetail();
         if (!detail) throw new Error('Missing challenge detail');
-        await this.admin.updateChallenge(detail.id, payload);
+        await this.admin.updateChallenge(detail.id, body as UpdateChallengeBody);
       }
       this.closeForm();
       await this.load();