fixed notifications dispatch

api/notification/internal/server/notificationimp/telegram/client.go

@@ -33,7 +33,7 @@ type client struct {
 	botToken   string
 	chatID     string
 	threadID   *int64
-	parseMode  string
+	parseMode  parseMode
 }
 
 type sendMessagePayload struct {
@@ -80,9 +80,9 @@ func NewClient(logger mlogger.Logger, cfg *notconfig.TelegramConfig) (Client, er
 	if apiURL == "" {
 		apiURL = defaultAPIURL
 	}
-	parseMode := strings.TrimSpace(cfg.ParseMode)
-	if parseMode == "" {
-		parseMode = "Markdown"
+	mode := normalizeParseMode(cfg.ParseMode)
+	if mode == parseModeUnset {
+		mode = parseModeMarkdown
 	}
 
 	return &client{
@@ -94,7 +94,7 @@ func NewClient(logger mlogger.Logger, cfg *notconfig.TelegramConfig) (Client, er
 		botToken:  token,
 		chatID:    chatID,
 		threadID:  threadID,
-		parseMode: parseMode,
+		parseMode: mode,
 	}, nil
 }
 
@@ -166,7 +166,7 @@ func (c *client) sendForm(ctx context.Context, template messageTemplate) error {
 	payload := sendMessagePayload{
 		ChatID:         c.chatID,
 		Text:           message,
-		ParseMode:      c.parseMode,
+		ParseMode:      c.parseMode.String(),
 		ThreadID:       c.threadID,
 		DisablePreview: true,
 	}