Make companion respond in the selected language (EN/FR)

Add EN/FR language toggle, English by default

Hide phase indicator UI from learner view

Reapply all fixes on main after merge overwrite

Merge branch 'main' of http://127.0.0.1:46517/git/Rochikh/aim

Hide phase marker from chat and ban excessive validation

Fix phase progression and ban suggested examples

Add sample.txt to static folder for demo download

Fix silent API error handling in chat

Auto-start session: companion asks opening question automatically

Auto-start session: companion asks first question on session start

Add file upload RAG: app.js + style.css

Add file upload RAG: main.py + index.html

Add file upload for RAG: PDF, PPTX, TXT, ZIP support with drag & drop

Deploy AIM Learning Companion to HF Spaces

Rewrite app: strict Socratic questioning engine with FastAPI backend

Build AIM Learning Companion - Socratic AI tutor for professional training