I tried it, and the bot begins (Mulai) with my local language, is there auto-language detection?
Probably related to Telegram itself? I've coded the bot entirely in english.
I tried also with /alert 1, I don't know when happen?, because until today it has never been below 1 satoshi, right?, or the same as and below than like this symbol (≤)?
Less or equal, yes. When "economy" fees <= 1.
About tx notification, when we received a notification?, is it after 1 confirmed or more than 1?
1 confirmation.