Add model selection dropdown in sidebar

Fix clear/sample buttons using on_click callbacks to avoid widget key mutation error

Refactor app.py to use InferenceClient, remove app2/app3

Add gitignore, dotenv loading, app3, and uv lockfile

update height

commit change

commit change

refine the code to using more features

add requirements.txt

change

change text_are height to 68px

initial commit

initial commit