(new): rich message support

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

bot.go

@@ -122,6 +122,7 @@ type Bot[T AppData] struct {
 
 	sessionStore       SessionStore // Session store for scene management
 	sceneScopePriority []SceneScope
+	sceneLocks         sceneKeyLocker
 
 	updateOffsetMu sync.Mutex
 	updateOffset   int                // Last processed update ID
@@ -191,7 +192,7 @@ func NewBot[T any](opts *BotOpts) (*Bot[T], error) {
 	api := tgapi.NewAPI(apiOpts)
 	uploader := tgapi.NewUploader(api)
 
-	prefixes := opts.Prefixes
+	prefixes := append([]string(nil), opts.Prefixes...)
 	if len(prefixes) == 0 {
 		prefixes = []string{"/"}
 	}
@@ -230,10 +231,11 @@ func NewBot[T any](opts *BotOpts) (*Bot[T], error) {
 	if len(opts.ErrorTemplate) > 0 {
 		bot.errorTemplate = opts.ErrorTemplate
 	}
-	if len(opts.LoggerBasePath) == 0 {
-		opts.LoggerBasePath = "./"
+	loggerOpts := *opts
+	if len(loggerOpts.LoggerBasePath) == 0 {
+		loggerOpts.LoggerBasePath = "./"
 	}
-	bot.initLoggers(opts)
+	bot.initLoggers(&loggerOpts)
 
 	if opts.FileConfigVersion > 0 && opts.FileConfigVersion < ConfigVersion {
 		bot.logger.Warnln(