Update requirements.txt

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Wrap both chat histories in a container to fix UI bug when toggling between modes

Clean up toggling back and forth lingering messages UI bug

Proper capitalization of arXiv

Adjust wording in UI

Clean up UI issue with triple chat bars

test change test

add state management to detect mode switches

Fix UI bug that shows both chat bars at once

Add logo and other UI improvements

add key parameter to each Streamlit element because now there are 2

Combine both working Streamlit apps into one combined Streamlit app

test

initial commit