Enhance Help Command with Recursive Command Listing

- Replaced default help function with a custom implementation
- Added `printAllCommands` function to recursively list available commands
- Improved command help display with indentation and description
- Supports nested command hierarchy visualization

agent-wdd/cmd/root.go

@@ -3,6 +3,9 @@ package cmd
 import (
 	"agent-wdd/config"
 	"fmt"
+	"io"
+	"os"
+	"strings"
 
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -116,10 +119,12 @@ func Execute() {
 		Short: "帮助信息",
 		Run: func(cmd *cobra.Command, args []string) {
 			// 在你的命令执行函数中
-			cmd.Root().SetHelpFunc(func(c *cobra.Command, s []string) {
-				// 直接使用默认帮助模板
-				c.Usage()
-			})
+			// cmd.Root().SetHelpFunc(func(c *cobra.Command, s []string) {
+			// 	// 直接使用默认帮助模板
+			// 	c.Usage()
+			// })
+
+			printAllCommands(cmd.Root(), os.Stdout)
 		},
 	}
 
@@ -143,3 +148,35 @@ func Execute() {
 	}
 
 }
+
+func printAllCommands(cmd *cobra.Command, writer io.Writer) {
+	// 打印命令标题
+	fmt.Fprintf(writer, "Available commands:\n")
+
+	// 递归打印命令树
+	var traverse func(*cobra.Command, int)
+	traverse = func(c *cobra.Command, depth int) {
+		if c.Hidden || c.Deprecated != "" {
+			return
+		}
+
+		// 生成命令前缀缩进
+		indent := strings.Repeat("  ", depth)
+
+		// 打印当前命令信息
+		fmt.Fprintf(writer, "%s%-20s%s\n",
+			indent,
+			c.Name(),
+			strings.TrimSpace(c.Short))
+
+		// 递归子命令
+		for _, subCmd := range c.Commands() {
+			traverse(subCmd, depth+1)
+		}
+	}
+
+	// 从根命令开始遍历
+	for _, c := range cmd.Commands() {
+		traverse(c, 0)
+	}
+}