ui chnages

fixes to to some param/ui

sync

fresh push for chatbot

Update app.py

Update app.py

Refactor app.py for improved functionality and clarity

Update app.py

Refactor comments and improve prompts in app.py

Refine comments and error messages in app.py

Refactor PDF handling and update functions

Update app.py

app.py

app.py

Add files via upload