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/wget.js

@@ -1,17 +1,17 @@
-const fetch = require('node-fetch');
 
-module.exports = async function wget(params) {
+
+export async function run(args){
   const { url } = params;
   if (!url) throw new Error('missing url');
   const res = await fetch(url);
   const buffer = await res.buffer();
-  const filename = url.split('/').filter(Boolean).pop() || 'index.html';
+  const filename = new Date().getTime() + '.' + url.split('.').pop();
   const content = buffer.slice(0, 500).toString('utf8');
   return { filename, content };
 };
 
 // metadata for the tool runner
-module.exports.meta = {
+export default {
   type: 'function',
   name: 'wget',
   description: 'Download URL to filesystem',