🐛 fix: upgrade desktop agent-browser to v0.20.1 and default native mode (#12985)

* 🐛 fix(desktop): update bundled agent-browser to v0.20.1 and align native-mode docs

Upgrade desktop bundled agent-browser to 0.20.1 and remove obsolete AGENT_BROWSER_NATIVE runtime override since native mode is now default. Update builtin agent-browser skill descriptions to reflect the new default behavior.

Made-with: Cursor

* ✨ feat: enable agent-browser skill on Windows desktop

Made-with: Cursor

* 🔧 refactor: remove isWindows from ToolAvailabilityContext interface

Updated the ToolAvailabilityContext interface to remove the isWindows property, simplifying the context checks in the isBuiltinSkillAvailableInCurrentEnv function.

Signed-off-by: Innei <tukon479@gmail.com>

---------

Signed-off-by: Innei <tukon479@gmail.com>

apps/desktop/scripts/download-agent-browser.mjs

@@ -5,7 +5,7 @@ import path from 'node:path';
 import { pipeline } from 'node:stream/promises';
 import { fileURLToPath } from 'node:url';
 
-const VERSION = '0.17.0';
+const VERSION = '0.20.1';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
 const binDir = path.join(__dirname, '..', 'resources', 'bin');

apps/desktop/src/main/core/App.ts

@@ -93,9 +93,6 @@ export class App {
     const pathSep = process.platform === 'win32' ? ';' : ':';
     process.env.PATH = `${process.env.PATH}${pathSep}${binDir}`;
 
-    // Use native mode (pure Rust/CDP) so agent-browser works without Node.js
-    process.env.AGENT_BROWSER_NATIVE = '1';
-
     logger.debug('Initializing App');
     // Initialize store manager
     this.storeManager = new StoreManager(this);