fix(telegram): avoid awaiting long-running polling start

src/channels/telegram/adapter.ts

@@ -463,26 +463,27 @@ export class TelegramAdapter implements ChannelAdapter {
 
     // ── Start long polling ──
 
-    try {
-      await bot.start({
-        onStart: (botInfo) => {
-          console.log(`Telegram bot started: @${botInfo.username}`);
-          this.botInfo = { id: botInfo.id, username: botInfo.username };
-          this._status = 'connected';
-          this.reconnectAttempt = 0;
-          this._lastError = undefined;
-          this._lastErrorAt = undefined;
-        },
-      });
-      if (this._status === 'connecting') {
-        // For mocked/runtime environments where onStart is not surfaced synchronously.
+    // bot.start() is a long-running method that resolves only when the bot stops.
+    // Do NOT await it — fire-and-forget so connect() resolves immediately.
+    bot.start({
+      onStart: (botInfo) => {
+        console.log(`Telegram bot started: @${botInfo.username}`);
+        this.botInfo = { id: botInfo.id, username: botInfo.username };
         this._status = 'connected';
-      }
-    } catch (error) {
+        this.reconnectAttempt = 0;
+        this._lastError = undefined;
+        this._lastErrorAt = undefined;
+      },
+    }).catch((error) => {
       const description = error instanceof Error ? error.message : String(error);
       this.recordAdapterError(`Telegram connect failed: ${description}`);
       this.scheduleReconnect();
-      throw error;
+    });
+
+    // Set connected optimistically for mocked/runtime environments
+    // where onStart is not surfaced synchronously.
+    if (this._status === 'connecting') {
+      this._status = 'connected';
     }
   }
 
@@ -632,7 +633,7 @@ export class TelegramAdapter implements ChannelAdapter {
 
     this._status = 'connecting';
     await bot.stop();
-    await bot.start({
+    bot.start({
       onStart: (botInfo) => {
         console.log(`Telegram bot reconnected: @${botInfo.username}`);
         this.botInfo = { id: botInfo.id, username: botInfo.username };
@@ -641,6 +642,10 @@ export class TelegramAdapter implements ChannelAdapter {
         this._lastError = undefined;
         this._lastErrorAt = undefined;
       },
+    }).catch((error) => {
+      const description = error instanceof Error ? error.message : String(error);
+      this.recordAdapterError(`Telegram reconnect polling error: ${description}`);
+      this.scheduleReconnect();
     });
 
     if (this._status === 'connecting') {