Development of a bot for the game Dota 2

Web developer services are required. It requires the development of a bot for the game Dota 2. Dota 2 has a “main menu” and at the bottom there are various regional text chats where people text and look for friends to play together. It is necessary that the spam bot automatically sends a message with advertising text to these chats. The frequency of sending messages should be regulated. And one of the most important requirements for the program - during its operation, the user should be able to do other things on the computer. That is, the program should not affect the possibility of using the computer for other purposes while the spam bot is running.