(new): rich message support

(fix): runtime reliability
(tests): regression coverage
(doc): v1.1 release notes

commands.go

@@ -93,6 +93,7 @@ type Command[T AppData] struct {
 	args        extypes.Slice[CommandArg]    // List of expected arguments
 	middlewares extypes.Slice[Middleware[T]] // Optional middleware chain
 	skipAutoCmd bool                         // If true, this command won't be auto-added to help menus
+	isEphemeral bool
 }
 
 // NewCommand creates a new Command with the given identifier, executor, and arguments.
@@ -108,7 +109,9 @@ type Command[T AppData] struct {
 // that fit Telegram's callback_data limit, though the configured payload
 // encoding may impose its own restrictions.
 func NewCommand[T any](command string, exec CommandExecutor[T], args ...CommandArg) *Command[T] {
-	return &Command[T]{command, "", exec, args, make(extypes.Slice[Middleware[T]], 0), false}
+	return &Command[T]{
+		command, "", exec, args, make(extypes.Slice[Middleware[T]], 0), false, false,
+	}
 }
 
 // Use adds a middleware to the command's execution chain.
@@ -130,6 +133,14 @@ func (c *Command[T]) SkipCommandAutoGen() *Command[T] {
 	return c
 }
 
+// SetEphemeral controls whether Telegram treats the command as ephemeral.
+//
+// Since: Bot API 10.2
+func (c *Command[T]) SetEphemeral(b bool) *Command[T] {
+	c.isEphemeral = b
+	return c
+}
+
 func (c *Command[T]) validateArgs(args []string) error {
 	for i := range c.args.Len() {
 		if i >= len(args) && c.args.Get(i).required {