Add accountId and config support to Telegram webhook

The Telegram webhook and monitor now accept and pass through accountId and config parameters, enabling routing and configuration per Telegram account. Tests have been updated to verify correct bot instantiation and DM routing based on accountId bindings.

src/telegram/monitor.ts

@@ -96,6 +96,8 @@ export async function monitorTelegramProvider(opts: MonitorTelegramOpts = {}) {
   if (opts.useWebhook) {
     await startTelegramWebhook({
       token,
+      accountId: account.accountId,
+      config: cfg,
       path: opts.webhookPath,
       port: opts.webhookPort,
       secret: opts.webhookSecret,