🚀 Debug started...<br>✅ API_KEY defined<br>📥 Input length: 0 chars<br>ℹ️ No POST data, using test mode<br>💬 Received: '/start' from 123456<br>🤖 Calling bot(sendMessage)<br>📤 Send result: Array
(
    [ok] => 
    [error_code] => 400
    [description] => Bad Request: chat not found
)
<br><hr>✅ Debug completed!