Add subcription feature 2

frontend/src/api/services/auth.ts

@@ -41,6 +41,19 @@ export class AuthService {
     return apiClient.post<UserRegistrationWithSubscriptionResponse>(`${this.baseUrl}/register-with-subscription`, userData);
   }
 
+  async completeRegistrationAfterSetupIntent(completionData: {
+    email: string;
+    password: string;
+    full_name: string;
+    setup_intent_id: string;
+    plan_id: string;
+    payment_method_id: string;
+    billing_interval: 'monthly' | 'yearly';
+    coupon_code?: string;
+  }): Promise<TokenResponse> {
+    return apiClient.post<TokenResponse>(`${this.baseUrl}/complete-registration-after-setup-intent`, completionData);
+  }
+
   async login(loginData: UserLogin): Promise<TokenResponse> {
     return apiClient.post<TokenResponse>(`${this.baseUrl}/login`, loginData);
   }