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src/tools/javascript.js

@@ -125,7 +125,7 @@ export function createJavascriptExecuteTool({ googleAuthId }) {
             'Execute JS in isolated worker sandbox. Assign `module.exports` to return value (sync value or Promise; wrap async in IIFE: `module.exports = (async () => { ... })()`). ' +
             'REST API: `await fetch("/path")` (authenticated). ' +
             'VFS: directly use global `fs.readFileSync`/`writeFileSync` for binary artifacts/buffers/images (`image/` is read-only; paths must be relative paths, root is not allowed). ' +
-            'Embed generated images in markdown: `![alt](relative/path)`. Use find_files/read_file/patch for text. ' +
+            'Embed generated images/links in markdown: `![alt](relative/path)`. Internet links use `https://...` or `hostname.com`/`hostname.com/filename`; a pure relative file with no dotted hostname is always a VFS relative path. Use find_files/read_file/patch for text. ' +
             'All APIs are pre-injected globals: `fs`/`vfs` (virtual filesystem), `sharp` (image processing), WebCrypto `crypto` (`subtle`, `randomUUID`), and standard web globals. Do NOT use `require()` or `import` (disabled; all necessary APIs are already in global scope).',
         strict: false,
         parameters: {