Update proxy.ts

Update proxy.ts

app/api/proxy.ts

@@ -34,7 +34,14 @@ export async function handle(
     }),
   );
   // if dalle3 use openai api key
-  if (req.headers.get("x-base-url")?.includes("openai")) {
+    const baseUrl = req.headers.get("x-base-url");
+    if (baseUrl?.includes("api.openai.com")) {
+      if (!serverConfig.apiKey) {
+        return NextResponse.json(
+          { error: "OpenAI API key not configured" },
+          { status: 500 },
+        );
+      }
       headers.set("Authorization", `Bearer ${serverConfig.apiKey}`);
     }