fix package

cmd/cmd_uninstall.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func uninstallCmd() {
+	purge := false
+	removeBin := false
+
+	for _, arg := range os.Args[2:] {
+		switch arg {
+		case "--purge":
+			purge = true
+		case "--remove-bin":
+			removeBin = true
+		}
+	}
+
+	if err := uninstallGatewayService(); err != nil {
+		fmt.Printf("Gateway service uninstall warning: %v\n", err)
+	} else {
+		fmt.Println("✓ Gateway service uninstalled")
+	}
+
+	pidPath := filepath.Join(filepath.Dir(getConfigPath()), "gateway.pid")
+	_ = os.Remove(pidPath)
+
+	if purge {
+		configDir := filepath.Dir(getConfigPath())
+		if err := os.RemoveAll(configDir); err != nil {
+			fmt.Printf("Failed to remove config directory %s: %v\n", configDir, err)
+			os.Exit(1)
+		}
+		fmt.Printf("✓ Removed config/workspace directory: %s\n", configDir)
+	}
+
+	if removeBin {
+		exePath, err := os.Executable()
+		if err != nil {
+			fmt.Printf("Failed to resolve executable path: %v\n", err)
+			os.Exit(1)
+		}
+		if err := os.Remove(exePath); err != nil {
+			fmt.Printf("Failed to remove executable %s: %v\n", exePath, err)
+			os.Exit(1)
+		}
+		fmt.Printf("✓ Removed executable: %s\n", exePath)
+	}
+}
+
+func uninstallGatewayService() error {
+	scope, unitPath, err := detectInstalledGatewayService()
+	if err != nil {
+		return nil
+	}
+
+	_ = runSystemctl(scope, "stop", gatewayServiceName)
+	_ = runSystemctl(scope, "disable", gatewayServiceName)
+
+	if err := os.Remove(unitPath); err != nil && !os.IsNotExist(err) {
+		return fmt.Errorf("remove unit file failed: %w", err)
+	}
+
+	if err := runSystemctl(scope, "daemon-reload"); err != nil {
+		return err
+	}
+	return nil
+}