Earlier quoted context omitted.
I have never seen a reaction that helped. "OK" is short, it's in plain text, and it works easily. I don't need your thumbs up. Or your like. You want to emoji, go ahead, but I'm getting older and I can't zoom in on them without blowing up general text to the same size. With more complex emoji I have to screenshot the text and then pull up the image to zoom on it to even tell what it is. I'd silence the conversation,…
While acknowledging that you might not have any agency about this in your specific situation, this sounds more like a social/boundaries problem than a technical one. If I were in a group chat with people both joking around and sending messages requiring urgent responses, I'd let them know to either cut the banter and keep the channel clear, or contact me otherwise if they need my urgent reaction. Letting people hold…
How are other people supposed to know that it's not okay for you right now because you are at dinner?