{"message":"Q&A Module API with User Registration & Question Limits","description":"Each user is limited to 5 free questions. After reaching this limit, subscription is required for more access.","subscription_info":{"free_questions":5,"requires_upgrade":"After 5 questions, please subscribe to continue","subscription_url":"/subscribe","features":{"free":"5 questions per session","premium":"Unlimited questions + priority support"}},"endpoints":{"ask":"/ask (POST) - Ask a single question (limited to 5 per user)","ask_batch":"/ask_batch (POST) - Ask multiple questions (limited to 5 per user)","question_limit":"/users/{user_id}/question-limit (GET) - Check remaining questions","conversations":"/users/{user_id}/conversations (GET) - Get all questions asked","health":"/health (GET) - Health check","users_register":"/users/register (POST) - Register a new user","user_info":"/users/{user_id} (GET) - Get user information","all_users":"/users (GET) - List all registered users","user_exit":"/users/{user_id}/exit (POST) - Record user exit","subscribe":"/subscribe (GET) - Upgrade to premium plan"},"limitations":{"question_limit":5,"description":"Only 5 free questions per user. More questions require premium subscription."}}