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

Trigger HF Spaces sync

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

Use openrouter/free as default model for reliable free inference

Strip whitespace from env vars and add LLM call logging

Add /download endpoint to serve corpus files

Add sample.txt to static folder for demo download

Fix silent API error handling in chat

Add error logging and debug endpoints for LLM troubleshooting

Add error logging and LLM debug endpoint for troubleshooting

Fix LLM client: lazy init for HF Spaces env vars

Fix LLM client: lazy init to ensure env vars are loaded on HF Spaces

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 RAG: requirements + rag.py

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

Add GitHub Action to sync with Hugging Face Spaces

Deploy AIM Learning Companion to HF Spaces

Add Hugging Face Spaces metadata to README.md

Switch deployment to Hugging Face Spaces (free, no credit card)

Add Render deployment config for online demo

Rewrite app: strict Socratic questioning engine with FastAPI backend

Use Mistral Small 3.1 (paid tier) for GDPR compliance

Switch to google/gemma-3-4b-it:free model

Fix: use Headers API for auth, add key validation

Fix: add HTTP-Referer header required by OpenRouter from browser

Fix: use available Mistral model on OpenRouter

Fix: rewrite HTML/CSS to ensure styles apply correctly

Add standalone single-file HTML app (no backend required)

Switch from Ollama to OpenRouter for LLM inference

Build AIM Learning Companion - Socratic AI tutor for professional training

Initial commit