fix: correct build path in GitHub Actions

- Fix build command path from ./cmd/codes to ./cmd
- Move main.go to correct location
- Update both CI and release workflows

Author: ourines

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
       run: go mod download
 
     - name: Build
-      run: go build -o codes ./cmd/codes
+      run: go build -o codes ./cmd
 
     - name: Test basic functionality
       run: |

.github/workflows/release.yml

@@ -47,7 +47,7 @@ jobs:
 
     - name: Build codes
       run: |
-        go build -o codes ./cmd/codes
+        go build -o codes ./cmd
 
     - name: Test
       run: |

cmd/main.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	"os"
+
+	"github.com/spf13/cobra"
+
+	"codes/internal/commands"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "codes",
+	Short: "A CLI tool to manage Claude environments and versions",
+	Long:  "A Go-based CLI tool to manage Claude environments and versions with multi-configuration support",
+}
+
+func init() {
+	rootCmd.AddCommand(commands.InstallCmd)
+	rootCmd.AddCommand(commands.AddCmd)
+	rootCmd.AddCommand(commands.SelectCmd)
+	rootCmd.AddCommand(commands.UpdateCmd)
+	rootCmd.AddCommand(commands.VersionCmd)
+}
+
+func main() {
+	if err := rootCmd.Execute(); err != nil {
+		os.Exit(1)
+	}
+}