Add 'Upcoming Jackpot' button to Telegram bot menu

Shows current prize pool, ticket price, draw time, and time remaining

telegram_bot/src/index.ts

@@ -238,6 +238,33 @@ bot.on('message', async (msg) => {
 
   // Handle menu button presses
   switch (text) {
+    case '🎰 Upcoming Jackpot':
+      try {
+        const jackpot = await apiClient.getNextJackpot();
+        
+        if (!jackpot) {
+          await bot.sendMessage(msg.chat.id, messages.buy.noActiveJackpot, {
+            parse_mode: 'Markdown',
+          });
+          return;
+        }
+        
+        const drawTime = new Date(jackpot.cycle.scheduled_at);
+        const jackpotMessage = `🎰 *Upcoming Jackpot*
+
+💰 *Prize Pool:* ${formatSats(jackpot.cycle.pot_total_sats)} sats
+🎟 *Ticket Price:* ${formatSats(jackpot.lottery.ticket_price_sats)} sats
+⏰ *Draw at:* ${formatDate(drawTime)}
+⏳ *Time left:* ${formatTimeUntil(drawTime)}
+
+Use /buyticket to get your tickets! 🍀`;
+
+        await bot.sendMessage(msg.chat.id, jackpotMessage, { parse_mode: 'Markdown' });
+      } catch (error) {
+        logger.error('Error showing jackpot', { error });
+        await bot.sendMessage(msg.chat.id, messages.errors.systemUnavailable);
+      }
+      return;
     case '🎟 Buy Tickets':
       await handleBuyCommand(bot, msg);
       return;

telegram_bot/src/utils/keyboards.ts

@@ -10,6 +10,7 @@ import { NotificationPreferences } from '../types';
 export function getMainMenuKeyboard(): ReplyKeyboardMarkup {
   return {
     keyboard: [
+      [{ text: '🎰 Upcoming Jackpot' }],
       [{ text: '🎟 Buy Tickets' }, { text: '🧾 My Tickets' }],
       [{ text: '🏆 My Wins' }, { text: '⚡ Lightning Address' }],
       [{ text: '⚙️ Settings' }, { text: 'ℹ️ Help' }],