feat: migrate to golang

internal/service/status.go

@@ -0,0 +1,50 @@
+package service
+
+import (
+	"os/exec"
+	"runtime"
+	"strings"
+)
+
+// Status returns a human-readable status string for the named service.
+// Direct port of CoreManager.get_service_status (core_manager.py:389-434).
+func Status(name string) string {
+	switch runtime.GOOS {
+	case "windows":
+		out, err := exec.Command("sc", "query", name).CombinedOutput()
+		if err != nil {
+			return "Service not installed or not found"
+		}
+		for _, line := range strings.Split(string(out), "\n") {
+			if strings.Contains(line, "STATE") {
+				return strings.TrimSpace(line)
+			}
+		}
+		return "Service exists but status unknown"
+
+	case "linux":
+		out, err := exec.Command("systemctl", "is-active", name).CombinedOutput()
+		status := strings.TrimSpace(string(out))
+		if err != nil {
+			return "Service not installed or not found"
+		}
+		if status == "active" {
+			return "Service is running"
+		}
+		return "Service is " + status
+
+	case "darwin":
+		out, err := exec.Command("launchctl", "list").CombinedOutput()
+		if err != nil {
+			return "Error checking service status: " + err.Error()
+		}
+		output := string(out)
+		if strings.Contains(output, name) || strings.Contains(output, "com."+name) {
+			return "Service is loaded (check launchctl status for details)"
+		}
+		return "Service not installed or not loaded"
+
+	default:
+		return "Unsupported system: " + runtime.GOOS
+	}
+}