fix: use FRONTEND_URL from config for Stripe redirect URLs instead of hardcoded localhost

src/stripe/stripe.controller.ts

@@ -10,6 +10,7 @@ import {
   HttpStatus,
   BadRequestException,
 } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
 import { ApiTags, ApiOperation, ApiBearerAuth } from '@nestjs/swagger';
 import { UserRole } from '@prisma/client';
 import { StripeService } from './stripe.service';
@@ -25,6 +26,7 @@ export class StripeController {
   constructor(
     private stripeService: StripeService,
     private subscriptionService: SubscriptionService,
+    private configService: ConfigService,
   ) {}
 
   // ---- Public Endpoints ----
@@ -46,7 +48,7 @@ export class StripeController {
     @CurrentUser() user: any,
     @Body() dto: CreateCheckoutDto,
   ) {
-    const frontendUrl = 'http://localhost:3000';
+    const frontendUrl = this.configService.get<string>('app.frontendUrl') || 'http://localhost:3000';
     const successUrl = dto.successUrl || `${frontendUrl}/agent/settings/billings/confirmation`;
     const cancelUrl = dto.cancelUrl || `${frontendUrl}/agent/settings/billings`;
 
@@ -71,7 +73,7 @@ export class StripeController {
       throw new BadRequestException('No active subscription found');
     }
 
-    const returnUrl = dto.returnUrl || 'http://localhost:3000/agent/settings/billings';
+    const returnUrl = dto.returnUrl || `${this.configService.get<string>('app.frontendUrl') || 'http://localhost:3000'}/agent/settings/billings`;
     return this.stripeService.createBillingPortalSession(
       subscription.stripeCustomerId,
       returnUrl,