Merged PR 2034: ✨ feat(crm): set selected customer when navigating to Prämienshop

✨ feat(crm): set selected customer when navigating to Prämienshop

Implements autoTriggerContinueFn pattern to properly set customer context
before navigating to reward shop from customer loyalty cards view.

Changes:
- Add output event to customer-loyalty-cards component (library layer)
- Handle navigation at app layer (kundenkarte-main-view) to respect module boundaries
- Use existing autoTriggerContinueFn pattern from details-main-view
- Inject NavigationStateService and CustomerSearchNavigation services
- Preserve context with returnUrl and autoTriggerContinueFn flag

This ensures customer selection logic (_setCustomer, _setBuyer, _setSelectedCustomerIdInTab)
executes before navigating to the reward shop, matching the behavior of the
continue() method in CustomerDetailsViewMainComponent.

Refs: #5485

Related work items: #5485

apps/isa-app/src/page/customer/customer-search/kundenkarte-main-view/kundenkarte-main-view.component.html

@@ -8,6 +8,7 @@
 <crm-customer-loyalty-cards
   [customerId]="customerId$ | async"
   [tabId]="processId$ | async"
+  (navigateToPraemienshop)="onNavigateToPraemienshop()"
   class="mt-4"
 />
 @let cardCode = firstActiveCardCode();

apps/isa-app/src/page/customer/customer-search/kundenkarte-main-view/kundenkarte-main-view.component.ts

@@ -8,8 +8,10 @@ import {
   OnDestroy,
 } from '@angular/core';
 import { CustomerSearchStore } from '../store';
-import { ActivatedRoute } from '@angular/router';
+import { ActivatedRoute, Router } from '@angular/router';
 import { map } from 'rxjs/operators';
+import { NavigationStateService } from '@isa/core/navigation';
+import { CustomerSearchNavigation } from '@shared/services/navigation';
 import { AsyncPipe } from '@angular/common';
 import { CustomerMenuComponent } from '../../components/customer-menu';
 import { CustomerLoyaltyCardsComponent } from '@isa/crm/feature/customer-loyalty-cards';
@@ -48,6 +50,9 @@ export class KundenkarteMainViewComponent implements OnDestroy {
   private _bonusCardsResource = inject(CustomerBonusCardsResource);
   #cardTransactionsResource = inject(CustomerCardTransactionsResource);
   elementRef = inject(ElementRef);
+  #router = inject(Router);
+  #navigationState = inject(NavigationStateService);
+  #customerNavigationService = inject(CustomerSearchNavigation);
 
   get hostElement() {
     return this.elementRef.nativeElement;
@@ -89,6 +94,36 @@ export class KundenkarteMainViewComponent implements OnDestroy {
     }, 500);
   }
 
+  /**
+   * Handle navigation to Prämienshop with proper customer selection.
+   * Uses autoTriggerContinueFn pattern to auto-select customer via details view.
+   */
+  async onNavigateToPraemienshop(): Promise<void> {
+    const tabId = this._store.processId;
+    const customerId = this.customerId();
+
+    if (!customerId || !tabId) {
+      return;
+    }
+
+    // Preserve context for auto-triggering continue() in details view
+    this.#navigationState.preserveContext(
+      {
+        returnUrl: `/${tabId}/reward`,
+        autoTriggerContinueFn: true,
+      },
+      'select-customer',
+    );
+
+    // Navigate to customer details - will auto-trigger continue()
+    await this.#router.navigate(
+      this.#customerNavigationService.detailsRoute({
+        processId: tabId,
+        customerId: Number(customerId),
+      }).path,
+    );
+  }
+
   ngOnDestroy(): void {
     if (this.#reloadTimeoutId) {
       clearTimeout(this.#reloadTimeoutId);