fix(cmd/ry): silence cobra error dup + fix bucket/dns Use&Args warts

cmd/ry/commands/domain/domain.go

@@ -41,13 +41,12 @@ func Cmd(rySDK **sdk.RainyunSDK, out **output.Printer) *cobra.Command {
 	}
 
 	dnsCmd := &cobra.Command{
-		Use:   "dns <domain-id>",
+		Use:   "dns",
 		Short: "Manage DNS records",
-		Args:  cobra.ExactArgs(1),
 	}
 
 	dnsListCmd := &cobra.Command{
-		Use:   "list",
+		Use:   "list <domain-id>",
 		Short: "List DNS records",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			id, err := strconv.Atoi(args[0])

cmd/ry/commands/storage/storage.go

@@ -42,13 +42,12 @@ func Cmd(rySDK **sdk.RainyunSDK, out **output.Printer) *cobra.Command {
 	}
 
 	bucketCmd := &cobra.Command{
-		Use:   "bucket <instance-id>",
+		Use:   "bucket",
 		Short: "Manage buckets",
-		Args:  cobra.ExactArgs(1),
 	}
 
 	bucketListCmd := &cobra.Command{
-		Use:   "list",
+		Use:   "list <instance-id>",
 		Short: "List buckets",
 		RunE: func(cmd *cobra.Command, args []string) error {
 			instanceID, err := strconv.Atoi(args[0])
@@ -71,7 +70,7 @@ func Cmd(rySDK **sdk.RainyunSDK, out **output.Printer) *cobra.Command {
 	}
 
 	bucketCreateCmd := &cobra.Command{
-		Use:   "create <name>",
+		Use:   "create <instance-id> <name>",
 		Short: "Create a bucket",
 		Args:  cobra.ExactArgs(2),
 		RunE: func(cmd *cobra.Command, args []string) error {

cmd/ry/root.go

@@ -76,6 +76,8 @@ Use "ry [command] --help" for more information about a command.`,
 }
 
 func init() {
+	rootCmd.SilenceErrors = true
+	rootCmd.SilenceUsage = true
 	cfgPath = config.DefaultPath()
 	rootCmd.PersistentFlags().StringVar(&flagAPIKey, "apikey", "", "Rainyun API key")
 	rootCmd.PersistentFlags().StringVarP(&flagOutput, "output", "o", "", "Output format: table, json, yaml, raw")