feat: jh auth list cmd

README.md

@@ -140,6 +140,7 @@ go build -o jh .
 - `jh auth refresh` - Refresh authentication token
 - `jh auth status` - Show authentication status
 - `jh auth env` - Print environment variables for authentication
+- `jh auth list` - Print the current auth token information
 
 ### Dataset Management (`jh dataset`)
 

auth.go

@@ -421,3 +421,44 @@ func authEnvCommand() error {
 
 	return nil
 }
+
+// authListCommand lists the current stored authentication token
+func authListCommand() error {
+	token, err := readStoredToken()
+	if err != nil {
+		fmt.Println("No authentication token found.")
+		fmt.Println("Run 'jh auth login' to authenticate with JuliaHub.")
+		return nil
+	}
+
+	expired, _ := isTokenExpired(token.AccessToken, token.ExpiresIn)
+	status := "Valid"
+	if expired {
+		status = "Expired"
+	}
+
+	fmt.Println("Authentication Token:")
+	fmt.Printf("  Server: %s\n", token.Server)
+	fmt.Printf("  Status: %s\n", status)
+
+	if token.Name != "" {
+		fmt.Printf("  Name: %s\n", token.Name)
+	}
+	if token.Email != "" {
+		fmt.Printf("  Email: %s\n", token.Email)
+	}
+
+	// Show token expiration if available
+	if token.IDToken != "" {
+		if claims, err := decodeJWT(token.IDToken); err == nil {
+			if claims.ExpiresAt > 0 {
+				expireTime := time.Unix(claims.ExpiresAt, 0)
+				fmt.Printf("  Expires: %s\n", expireTime.Format(time.RFC3339))
+			}
+		}
+	}
+
+	fmt.Printf("  Has Refresh Token: %t\n", token.RefreshToken != "")
+
+	return nil
+}

main.go

@@ -318,6 +318,28 @@ environment variables that can be used by other tools or scripts.`,
 	},
 }
 
+var authListCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List stored authentication token information",
+	Long: `Display information about the currently stored authentication token.
+
+This command shows:
+- Server name
+- User information (name and email)
+- Token validity status (valid or expired)
+- Token expiration time
+- Refresh token availability
+
+This provides a quick summary of your current authentication status.`,
+	Example: "  jh auth list",
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := authListCommand(); err != nil {
+			fmt.Printf("Failed to list authentication token: %v\n", err)
+			os.Exit(1)
+		}
+	},
+}
+
 var jobCmd = &cobra.Command{
 	Use:   "job",
 	Short: "Job management commands",
@@ -991,7 +1013,7 @@ func init() {
 	pullCmd.Flags().StringP("server", "s", "juliahub.com", "JuliaHub server")
 	updateCmd.Flags().Bool("force", false, "Force update even if current version is newer than latest release")
 
-	authCmd.AddCommand(authLoginCmd, authRefreshCmd, authStatusCmd, authEnvCmd)
+	authCmd.AddCommand(authLoginCmd, authRefreshCmd, authStatusCmd, authEnvCmd, authListCmd)
 	jobCmd.AddCommand(jobListCmd, jobStartCmd)
 	datasetCmd.AddCommand(datasetListCmd, datasetDownloadCmd, datasetUploadCmd, datasetStatusCmd)
 	projectCmd.AddCommand(projectListCmd)