include .gitattributes inside backend/ for HF Space LFS resolution

fix HF frontmatter: drop emoji, shorten description

deploy: HF Spaces frontmatter + tighter Dockerfile + concrete deploy steps in README

harsher scoring + interactive controls

question slider with stable layout, +2 feature tiles, trained checkpoints

add interview questions, live face mesh, sharper editorial UI

deeper from-scratch face + voice models, combined RAVDESS + CREMA-D

trained face/voice/fusion checkpoints, voice arch and feature fixes

scaffold backend, frontend, models, and tests