Update CLI scripts to enhance functionality and error handling. Change shebang in cli-ink.js for improved compatibility with TypeScript. Modify websearch.js to utilize EXA_API_KEY from environment variables, adding error handling for missing keys. Refactor wget.js to use ES module syntax and improve filename generation for downloaded content.

tools/websearch.js

@@ -1,5 +1,11 @@
+import 'dotenv/config';
 import Exa from "exa-js";
-const exa = new Exa("1513ba88-5280-402b-9da3-e060d38f96d8");
+
+const exaApiKey = process.env.EXA_API_KEY;
+if (!exaApiKey) {
+  throw new Error("Missing EXA_API_KEY environment variable for websearch");
+}
+const exa = new Exa(exaApiKey);
 
 export default {
   type: 'function',