Make qvm run default to zsh and ensure workspace is mounted

.gitignore

@@ -1,3 +1,4 @@
 result
 ^qvm
 vendor/
+/qvm

cmd/qvm/run.go

@@ -16,14 +16,20 @@ import (
 )
 
 var runCmd = &cobra.Command{
-	Use:   "run <command> [args...]",
+	Use:   "run [command] [args...]",
 	Short: "Run a command in the VM workspace",
 	Long: `Execute a command in the VM at the current directory.
 
 The current directory is automatically registered as a workspace
-and mounted into the VM. The command runs in the mounted workspace.`,
+and mounted into the VM. The command runs in the mounted workspace.
-	Args: cobra.MinimumNArgs(1),
+
+If no command is provided, starts an interactive zsh shell.`,
+	Args: cobra.ArbitraryArgs,
 	Run: func(cmd *cobra.Command, args []string) {
+		// Default to zsh if no command provided
+		if len(args) == 0 {
+			args = []string{"zsh"}
+		}
 		cwd, err := os.Getwd()
 		if err != nil {
 			logging.Error(fmt.Sprintf("Failed to get current directory: %v", err))
@@ -50,21 +56,50 @@ and mounted into the VM. The command runs in the mounted workspace.`,
 			os.Exit(1)
 		}
 
-		wasRunning := vm.IsRunning()
-
-		if !wasRunning {
-			logging.Info("VM is not running, starting it...")
 		cfg, err := config.Load()
 		if err != nil {
 			logging.Error(err.Error())
 			os.Exit(1)
 		}
 
+		wasRunning := vm.IsRunning()
+
+		if !wasRunning {
+			logging.Info("VM is not running, starting it...")
 			startResult := vm.Start(cfg, reg)
 			if startResult.IsError() {
 				logging.Error(startResult.Error().Error())
 				os.Exit(1)
 			}
+		} else {
+			statusResult := vm.Status()
+			if statusResult.IsError() {
+				logging.Error(statusResult.Error().Error())
+				os.Exit(1)
+			}
+			status := statusResult.MustGet()
+
+			checkCmd := exec.Command("sshpass", "-p", "root", "ssh",
+				"-o", "StrictHostKeyChecking=no",
+				"-o", "UserKnownHostsFile=/dev/null",
+				"-o", "LogLevel=ERROR",
+				"-p", strconv.Itoa(status.SSHPort),
+				"root@localhost",
+				fmt.Sprintf("test -d /sys/bus/virtio/drivers/9pnet_virtio/*/mount_tag && grep -q 'ws_%s' /sys/bus/virtio/drivers/9pnet_virtio/*/mount_tag 2>/dev/null", ws.Hash))
+
+			if checkCmd.Run() != nil {
+				logging.Info("Workspace not available in running VM, restarting VM...")
+				stopResult := vm.Stop()
+				if stopResult.IsError() {
+					logging.Error(stopResult.Error().Error())
+					os.Exit(1)
+				}
+				startResult := vm.Start(cfg, reg)
+				if startResult.IsError() {
+					logging.Error(startResult.Error().Error())
+					os.Exit(1)
+				}
+			}
 		}
 
 		statusResult := vm.Status()
@@ -74,8 +109,8 @@ and mounted into the VM. The command runs in the mounted workspace.`,
 		}
 		status := statusResult.MustGet()
 
-		remoteCmd := fmt.Sprintf("mkdir -p '%s' && mount -t 9p ws_%s '%s' -o trans=virtio,version=9p2000.L,msize=104857600 2>/dev/null || true && cd '%s' && %s", 
+		remoteCmd := fmt.Sprintf("mkdir -p '%s' && (mountpoint -q '%s' || mount -t 9p ws_%s '%s' -o trans=virtio,version=9p2000.L,msize=104857600) && cd '%s' && %s",
-			ws.GuestPath, ws.Hash, ws.GuestPath, ws.GuestPath, strings.Join(args, " "))
+			ws.GuestPath, ws.GuestPath, ws.Hash, ws.GuestPath, ws.GuestPath, strings.Join(args, " "))
 
 		sshArgs := []string{
 			"-p", "root",