fix(config): ensure analytics URL has protocol to prevent build crash

next.config.mjs

@@ -56,8 +56,15 @@ const nextConfig = {
   // Rewrites moved to bottom merged function
   async headers() {
     const isProd = process.env.NODE_ENV === 'production';
-    const umamiDomain = new URL(process.env.UMAMI_API_ENDPOINT || 'https://analytics.infra.mintel.me').origin;
-    const glitchtipDomain = new URL(process.env.SENTRY_DSN ? new URL(process.env.SENTRY_DSN).origin : 'https://errors.infra.mintel.me').origin;
+    
+    // Ensure API endpoints have a protocol to avoid 'Invalid URL' errors during build
+    let umamiUrl = process.env.UMAMI_API_ENDPOINT || 'https://analytics.infra.mintel.me';
+    if (umamiUrl && !umamiUrl.startsWith('http')) umamiUrl = `https://${umamiUrl}`;
+    const umamiDomain = new URL(umamiUrl).origin;
+
+    let glitchtipUrl = process.env.SENTRY_DSN ? new URL(process.env.SENTRY_DSN).origin : 'https://errors.infra.mintel.me';
+    if (glitchtipUrl && !glitchtipUrl.startsWith('http')) glitchtipUrl = `https://${glitchtipUrl}`;
+    const glitchtipDomain = new URL(glitchtipUrl).origin;
     const extraImgDomains = [
       'https://e-tib.com',
       'https://staging.e-tib.com',