rebuild app as turbopack-first single-stack with internal api and openclaw tasks

frontend/lib/runtime-url.ts

@@ -2,44 +2,12 @@ function trimTrailingSlash(value: string) {
   return value.endsWith('/') ? value.slice(0, -1) : value;
 }
 
-function isInternalHost(hostname: string) {
-  return hostname === 'backend'
-    || hostname === 'localhost'
-    || hostname === '127.0.0.1'
-    || hostname.endsWith('.internal');
-}
-
-function parseUrl(url: string) {
-  try {
-    return new URL(url);
-  } catch {
-    return null;
-  }
-}
-
 export function resolveApiBaseURL(configuredBaseURL: string | undefined) {
-  const fallbackLocal = 'http://localhost:3001';
-  const candidate = configuredBaseURL?.trim() || fallbackLocal;
+  const candidate = configuredBaseURL?.trim();
 
-  if (typeof window === 'undefined') {
-    return trimTrailingSlash(candidate);
+  if (!candidate) {
+    return '';
   }
 
-  const parsed = parseUrl(candidate);
-
-  if (!parsed) {
-    return `${window.location.origin}`;
-  }
-
-  const browserHost = window.location.hostname;
-  const browserIsLocal = browserHost === 'localhost' || browserHost === '127.0.0.1';
-
-  if (!browserIsLocal && isInternalHost(parsed.hostname)) {
-    console.warn(
-      `[fiscal] NEXT_PUBLIC_API_URL is internal (${parsed.hostname}); falling back to https://api.${browserHost}`
-    );
-    return trimTrailingSlash(`https://api.${browserHost}`);
-  }
-
-  return trimTrailingSlash(parsed.toString());
+  return trimTrailingSlash(candidate);
 }