feat(cli-tools): update default local endpoint port to 20128

src/app/(dashboard)/dashboard/cli-tools/CLIToolsPageClient.js

@@ -114,7 +114,7 @@ export default function CLIToolsPageClient({ machineId }) {
     if (typeof window !== "undefined") {
       return window.location.origin;
     }
-    return "http://localhost:3000";
+    return "http://localhost:20128";
   };
 
   if (loading) {

src/app/(dashboard)/dashboard/cli-tools/components/DefaultToolCard.js

@@ -20,7 +20,7 @@ export default function DefaultToolCard({ toolId, tool, isExpanded, onToggle, ba
       : (!cloudEnabled ? "sk_9router" : "your-api-key");
     
     // Add /v1 suffix only if not already present (DRY - avoid duplicate)
-    const normalizedBaseUrl = baseUrl || "http://localhost:3000";
+    const normalizedBaseUrl = baseUrl || "http://localhost:20128";
     const baseUrlWithV1 = normalizedBaseUrl.endsWith("/v1") 
       ? normalizedBaseUrl 
       : `${normalizedBaseUrl}/v1`;