feat: fetch 50 newest youtube comments per video sorted by time

feat: persist every prediction in supabase and expose history endpoint

feat: implement new models and improve UI, #23

fix: debug model selection, #22

feat: update UI using VITE+React without streamlit, #22

fix: modify evaluation pipeline, #7

test isolated pipeline outputs and evaluator summary append

backup stable api and model service before pipeline testing

feat: add streamlit base. #12

feat: add structure. #1