Fix remaining CLI inconsistencies

- Update users destroy command usage string to reflect --user flag
- Fix documentation examples to use --node instead of --identifier
- Ensure complete CLI consistency across all commands and docs

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

cmd/headscale/cli/nodes.go

@@ -74,12 +74,10 @@ func init() {
 		log.Fatal(err.Error())
 	}
 
-	moveNodeCmd.Flags().Uint64P("user", "u", 0, "New user")
+	moveNodeCmd.Flags().StringP("user", "u", "", "New user (ID, name, or email)")
+	moveNodeCmd.Flags().String("name", "", "New username")
 
-	err = moveNodeCmd.MarkFlagRequired("user")
-	if err != nil {
-		log.Fatal(err.Error())
-	}
+	// One of --user or --name is required (checked in GetUserIdentifier)
 	nodeCmd.AddCommand(moveNodeCmd)
 
 	tagCmd.Flags().StringP("node", "n", "", "Node identifier (ID, name, hostname, or IP)")
@@ -505,7 +503,7 @@ var moveNodeCmd = &cobra.Command{
 			return
 		}
 
-		user, err := cmd.Flags().GetUint64("user")
+		userID, err := GetUserIdentifier(cmd)
 		if err != nil {
 			ErrorOutput(
 				err,
@@ -532,7 +530,7 @@ var moveNodeCmd = &cobra.Command{
 
 			moveRequest := &v1.MoveNodeRequest{
 				NodeId: identifier,
-				User:   user,
+				User:   userID,
 			}
 
 			moveResponse, err := client.MoveNode(ctx, moveRequest)

cmd/headscale/cli/users.go

@@ -129,7 +129,7 @@ var createUserCmd = &cobra.Command{
 }
 
 var destroyUserCmd = &cobra.Command{
-	Use:     "destroy --user USER or --name NAME",
+	Use:     "destroy --user USER",
 	Short:   "Destroys a user",
 	Aliases: []string{"delete"},
 	Run: func(cmd *cobra.Command, args []string) {