Merge branch 'back-office-integration'

# Conflicts:
#	src/app/pages/cart/cart.component.ts
#	src/app/pages/category/category.component.html
#	src/app/pages/category/category.component.ts
#	src/app/pages/item-detail/item-detail.component.html
#	src/app/pages/item-detail/item-detail.component.ts
#	src/app/pages/legal/company-details/en/company-details-en.component.html
#	src/app/pages/legal/company-details/hy/company-details-hy.component.html
#	src/app/pages/legal/company-details/ru/company-details-ru.component.html
#	src/app/pages/legal/public-offer/en/public-offer-en.component.html
#	src/app/pages/legal/public-offer/ru/public-offer-ru.component.html
#	src/app/pages/search/search.component.ts
#	src/app/services/api.service.ts

src/app/services/language.service.ts

@@ -9,11 +9,18 @@ export interface Language {
   enabled: boolean;
 }
 
+export interface Currency {
+  code: string;
+  symbol: string;
+  name: string;
+}
+
 @Injectable({
   providedIn: 'root'
 })
 export class LanguageService {
   private currentLanguageSignal = signal<string>('ru');
+  private currentCurrencySignal = signal<string>('RUB');
 
   languages: Language[] = [
     { code: 'ru', name: 'Русский', flag: '🇷🇺', flagSvg: '/flags/ru.svg', enabled: true },
@@ -21,7 +28,15 @@ export class LanguageService {
     { code: 'hy', name: 'Հայերեն', flag: '🇦🇲', flagSvg: '/flags/arm.svg', enabled: false }
   ];
 
+  currencies: Currency[] = [
+    { code: 'RUB', symbol: '₽', name: 'Рубль' },
+    { code: 'USD', symbol: '$', name: 'Dollar' },
+    { code: 'EUR', symbol: '€', name: 'Euro' },
+    { code: 'AMD', symbol: '֏', name: 'Դրամ' },
+  ];
+
   currentLanguage = this.currentLanguageSignal.asReadonly();
+  currentCurrency = this.currentCurrencySignal.asReadonly();
 
   constructor(private router: Router) {
     // Load saved language from localStorage
@@ -29,6 +44,11 @@ export class LanguageService {
     if (savedLang && this.languages.find(l => l.code === savedLang && l.enabled)) {
       this.currentLanguageSignal.set(savedLang);
     }
+
+    const savedCurrency = localStorage.getItem('selectedCurrency');
+    if (savedCurrency && this.currencies.find(c => c.code === savedCurrency)) {
+      this.currentCurrencySignal.set(savedCurrency);
+    }
   }
 
   setLanguage(langCode: string): void {
@@ -39,6 +59,18 @@ export class LanguageService {
     }
   }
 
+  setCurrency(code: string): void {
+    const currency = this.currencies.find(c => c.code === code);
+    if (currency) {
+      this.currentCurrencySignal.set(code);
+      localStorage.setItem('selectedCurrency', code);
+    }
+  }
+
+  getCurrentCurrency(): Currency | undefined {
+    return this.currencies.find(c => c.code === this.currentCurrencySignal());
+  }
+
   /** Change language and navigate to the same page with the new prefix */
   switchLanguage(langCode: string): void {
     const lang = this.languages.find(l => l.code === langCode);