fix: register draft key on the root command with a working --size flag

cmd/key.go

@@ -6,32 +6,26 @@ import (
 	"github.com/spf13/cobra"
 )
 
+const defaultKeySize = 32
+
+var keySize int
+
 func init() {
-	newCmd.AddCommand(keyCmd)
+	rootCmd.AddCommand(keyCmd)
+	keyCmd.Flags().IntVar(&keySize, "size", defaultKeySize, "Length of the generated key")
 }
 
-var size int
-var defaultSize = 32
-
 var keyCmd = &cobra.Command{
-	Use:   "key [size]",
+	Use:   "key",
 	Short: "Generate a new cryptographic key",
 	Long:  `Generate a new cryptographic key for use in Draft projects.`,
 	Run: func(cmd *cobra.Command, args []string) {
-		var keyLength int
-		if cmd.Flags().Lookup("size").Changed {
-			keyLength = size
-		} else {
-			keyLength = defaultSize
+		if cmd.Flags().Changed("size") && keySize < defaultKeySize {
+			fmt.Printf("❌ Key size must be at least %d for adequate security.\n", defaultKeySize)
+			return
 		}
 
-		if keyLength <= 32 {
-			fmt.Println("Warning: It is recommended to use a key size greater than 32 for better security.")
-			fmt.Println("Generating a key of default size:", defaultSize)
-			keyLength = defaultSize
-		}
-
-		key := randomString(keyLength)
-		println("Generated Key:", key)
+		key := randomString(keySize)
+		fmt.Println("Generated Key:", key)
 	},
 }