fix: use message('text') filter for Telegraf v4 setup reply handler

src/bot/index.ts

@@ -1,4 +1,5 @@
 import { Telegraf } from 'telegraf';
+import { message } from 'telegraf/filters';
 import type { Database } from 'better-sqlite3';
 import { handleLog } from './commands/log';
 import { handleSkip } from './commands/skip';
@@ -30,9 +31,8 @@ export function createBot(token: string, chatId: string, db: Database): Telegraf
   bot.command('setup', handleSetup(db));
 
   const setupReply = handleSetupReply(db);
-  bot.on('text', async (ctx) => {
-    const text = (ctx.message as { text?: string })?.text ?? '';
-    if (text.startsWith('/')) return;
+  bot.on(message('text'), async (ctx) => {
+    if (ctx.message.text.startsWith('/')) return;
     await setupReply(ctx);
   });