[feature/backend] implement /users handler + switch to username + add display name + user management cli

backend/main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"tss-rocks-be/cmd"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "app",
+	Short: "TSS backend application",
+	Long: `TSS (The Starset Society) backend application.
+It provides both API endpoints and admin tools for content management.`,
+}
+
+func init() {
+	// 添加子命令
+	rootCmd.AddCommand(cmd.GetUserCmd())
+	rootCmd.AddCommand(cmd.GetServerCmd())
+}
+
+func main() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}