fix key typo

src/pages/api/llm.js

@@ -27,8 +27,8 @@ export default function handler(req, res) {
   ];
 
   const { googleCustomSearch, googleCustomSearchSchema } = new GoogleCustomSearch({
-    apiKey: process.env.GOOGLE_API_KEY,
-    googleCSEId: process.env.GOOGLE_CSE_ID,
+    apiKey: process.env.API_KEY,
+    googleCSEId: process.env.CONTEXT_KEY,
   });
 
   const functions = {