fix: force moderator to always produce DÉCISION FINALE on first and only round

feat: enforce extreme conciseness and reduce max rounds to 2 to save tokens and speed up consensus

fix: bind stop sequences to llm to prevent hallucination loop and rate limit 429 errors

fix: enforce language detection with explicit SystemMessage and improve final decision structure

feat: add automatic multilingual support and optional location field for restaurant recommendations

style: remove emojis and update agent names to be more professional

feat: implement Madia multi-agent debate app

chore: add project structure with .gitignore