fix: layout clipping on smaller screens and humanize UI text

fix: correct layout blowout and revert wording

fix: CORS allow_origins typo and frontend badge classes

update frontend to use Bi-LSTM, point to HF Space, remove AI text, and add scan history

feat: implement dual-input system and dedicated AI detection for maximum accuracy

fix: sanitize API URL and improve response validation to prevent blank screen

debug: add logs and safer scroll logic to handlePredict

fix: prevent blank screen on interaction by improving error handling and adding error UI

feat: initial clean project setup (root-level)