feat: Actualización general de la aplicación

- Contratos, tarjetas, postulaciones, categorías y reportes
- Servicios: auth, ichamba, env, language, firebase, interceptor
- Guards, modelos, componentes y páginas de verificación
- Configuración: angular.json, tsconfig, polyfills, environments
- Capacitor: capacitor.config.json y android settings

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/pages/contracts/review/review.page.ts

@@ -11,12 +11,13 @@ import { AlertService } from 'src/app/services/alert.service';
   selector: 'app-review',
   templateUrl: './review.page.html',
   styleUrls: ['./review.page.scss'],
+  standalone: false
 })
 export class ReviewPage implements OnInit {
 
-  private loading;
+  private loading: HTMLIonLoadingElement | null = null;
   rate: any;
-  contract_id: number = null;
+  contract_id: number | null = null;
   comment: any;
 
   constructor(
@@ -33,7 +34,7 @@ export class ReviewPage implements OnInit {
     this.contract_id = Number(this.activatedRoute.snapshot.paramMap.get('contract_id'));
   }
 
-  onRateChange(rating){
+  onRateChange(rating: any){
       console.log("changed rating: " + rating);
       // do your stuff
   }
@@ -44,13 +45,13 @@ export class ReviewPage implements OnInit {
           this.loading = overlay;
           this.loading.present();
         });
-        this.ichambaService.reviewContract(this.contract_id, this.rate, this.comment).subscribe(
-          data => {
-            this.loading.dismiss();
+        this.ichambaService.reviewContract(this.contract_id!, this.rate, this.comment).subscribe(
+          (data: any) => {
+            if (this.loading) this.loading.dismiss();
             this.alertService.presentToast(data['message']);
             this.navCtrl.navigateRoot('/dashboard');
-          }, error => {
-            this.loading.dismiss();
+          }, (error: any) => {
+            if (this.loading) this.loading.dismiss();
             this.alertService.presentToast(this.translateService.instant('alerts.error') + error['status']);
           });
       } else {