feat: node OS logo and UI fixes (#367)

* chore: update AGENTS.md with next release info

* feat: node OS logo, UI rate fix, and monitor trend updates

go-gost/x/socket/distro.go

@@ -0,0 +1,21 @@
+package socket
+
+import (
+	"strings"
+
+	"github.com/shirou/gopsutil/v3/host"
+)
+
+// DetectDistro returns the Linux distribution name (e.g. "ubuntu", "centos",
+// "debian"). Falls back to "linux" when detection fails.
+func DetectDistro() string {
+	info, err := host.Info()
+	if err != nil || info == nil {
+		return "linux"
+	}
+	platform := strings.ToLower(strings.TrimSpace(info.Platform))
+	if platform == "" {
+		return "linux"
+	}
+	return platform
+}