fix(browser): hide navigator.webdriver from reCAPTCHA v3 detection (openclaw#10735) thanks @Milofax

Verified:
- pnpm install --frozen-lockfile
- pnpm build
- pnpm check
- pnpm test

Co-authored-by: Milofax <2537423+Milofax@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

src/browser/chrome.ts

@@ -214,6 +214,9 @@ export async function launchOpenClawChrome(
       args.push("--disable-dev-shm-usage");
     }
 
+    // Stealth: hide navigator.webdriver from automation detection (#80)
+    args.push("--disable-blink-features=AutomationControlled");
+
     // Always open a blank tab to ensure a target exists.
     args.push("about:blank");