Disable Rod leakless launcher on Windows (#54)

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: DeepWiki Dev <dev@deepwiki.local>
Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

browser/pool.go

@@ -165,7 +165,7 @@ func (p *Pool) getBrowser() (*rod.Browser, error) {
 
 	controlURL := p.opts.ControlURL
 	if controlURL == "" {
-		l := launcher.New().
+		l := launcher.New().Leakless(launcherLeakless()).
 			Headless(p.opts.Headless).
 			Set("disable-blink-features", "AutomationControlled").
 			Set("disable-gpu", "")