feat(i18n): bilingual Type/Method dropdowns + line echo on offering session

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

APP/src/app/features/giving/pages/offering-session-page/offering-session-page.component.ts

@@ -16,6 +16,7 @@ import {
   GivingCategoryDto, PaymentMethod, OfferingBufferLine, CreateOfferingSessionRequest,
   OfferingSessionListItemDto, OfferingSessionDto,
 } from '../../models/giving.model';
+import { PAYMENT_METHOD_OPTIONS } from '../../../../shared/i18n/option-lists';
 
 interface MemberOption { id: number; displayName: string; }
 
@@ -33,7 +34,7 @@ export class OfferingSessionPageComponent implements OnInit {
   sessionDate: Date = new Date();
   dateConflict = false;
   categories: GivingCategoryDto[] = [];
-  readonly paymentMethods: PaymentMethod[] = ['Cash', 'Check', 'Zelle', 'PayPal', 'Other'];
+  readonly paymentMethods = PAYMENT_METHOD_OPTIONS;
 
   memberResults: MemberOption[] = [];
   selectedMemberId: number | null = null;
@@ -152,7 +153,7 @@ export class OfferingSessionPageComponent implements OnInit {
     const line: OfferingBufferLine = {
       ...this.entry,
       memberName: this.entry.isAnonymous ? null : this.selectedMemberName,
-      categoryName: cat?.name_en ?? '',
+      categoryName: cat?.label ?? '',
     };
     if (this.editingIndex !== null) { this.buffer[this.editingIndex] = line; this.editingIndex = null; }
     else { this.buffer = [...this.buffer, line]; }