added validations on evaluate, update filter_resumes_by_keywords to use fuzzy, extract_keywords use TfidVector, enforce strict keyword matching

added unit tests

updated config and ultils to include sentence_transformer for score, re-added gemma for summarization

added retry logic to config query, fixed api variables, fixed score and summary functions

added config.toml, updated requirements.txt, UI update

mvp app tested, configured postgreSQL Supabase

consolidated functions under utils.py, added config