I think you are over complicating by trying to login to twitch yourself as the bot to send messages as the bot.
So you only need Twitch Chat open as yourself/the broadcaster, which is available in the dashboard which should have everything you need
I think you are over complicating by trying to login to twitch yourself as the bot to send messages as the bot.
So you only need Twitch Chat open as yourself/the broadcaster, which is available in the dashboard which should have everything you need