fix: 修复浏览器进程清理问题并更新 darwin-arm64 二进制 (v1.7.46)

- 修复 openBrowser 函数僵尸进程问题
- 新增 darwin-arm64 预编译二进制
- 正确清理浏览器子进程防止资源泄露

Fixes: #issue-windows-heredoc-error

codeagent-wrapper/server.go

@@ -128,7 +128,18 @@ func openBrowser(url string) {
 	default:
 		return
 	}
-	_ = cmd.Start()
+
+	// FIX: Properly clean up browser process to prevent zombie processes
+	// Start the command and wait for it to complete in a goroutine
+	if err := cmd.Start(); err != nil {
+		// Silently fail if browser can't be opened
+		return
+	}
+
+	// Clean up process in background to prevent zombie processes
+	go func() {
+		_ = cmd.Wait()
+	}()
 }
 
 // StartSession starts tracking a new session