The LLM is just to make the message short for the SMS. The entire message is sent by mail without any AI.
replyThat makes no sense. Why don't you just set a char-limit on the input and reject anything that's too long?
replyIf I trim I may lost important context. I understand the concern here.
replyWho said anything about trimming?
replyMake your text box only hold as much data as you can transmit. Or send two messages if you need to. Do you think someone is going to paste a novel in there or something? This is a VERY stupid reason to use an LLM.