fix(brochure): use dynamic base URL and resolve singular/plural routing conflict

app/actions/brochure.ts

@@ -1,6 +1,7 @@
 'use server';
 
 import { getServerAppServices } from '@/lib/services/create-services.server';
+import { config } from '@/lib/config';
 
 export async function requestBrochureAction(formData: FormData) {
   const services = getServerAppServices();
@@ -76,7 +77,8 @@ export async function requestBrochureAction(formData: FormData) {
   }
 
   // 3. Send Brochure via Email
-  const brochureUrl = `https://klz-cables.com/brochure/klz-product-catalog-${locale}.pdf`;
+  const baseUrl = config.baseUrl || 'https://klz-cables.com';
+  const brochureUrl = `${baseUrl}/brochure/klz-product-catalog-${locale}.pdf`;
 
   try {
     const { sendEmail } = await import('@/lib/mail/mailer');

next.config.mjs

@@ -435,16 +435,16 @@ const nextConfig = {
           destination: '/api/datasheets/:path*',
         },
         {
-          source: '/:locale/brochures/:path*',
+          source: '/:locale/brochure/:path*',
-          destination: '/api/brochures/:path*',
+          destination: '/brochure/:path*',
         },
         {
           source: '/datasheets/:path*',
           destination: '/api/datasheets/:path*',
         },
         {
-          source: '/brochures/:path*',
+          source: '/brochure/:path*',
-          destination: '/api/brochures/:path*',
+          destination: '/brochure/:path*',
         },
         {
           source: '/de/produkte',