{"service":"AI Companion Backend v2.0","version":"2.0.0","status":"running","timestamp":"2026-04-15T12:17:36.855864","architecture":"Redis active sessions + DB archives","session_stats":{"active_sessions":0,"total_tokens_used":0,"total_messages":0,"oldest_session":"2026-04-15T12:17:36.855627","newest_session":"2026-04-15T12:17:36.855627"},"endpoints":{"GET /":"Эта страница","GET /health":"Проверка здоровья","GET /companions":"Список собеседников","POST /set_companion":"Выбор собеседника (новая сессия)","POST /chat":"Отправить сообщение","GET /chat/result/{task_id}":"Получить результат LLM задачи","GET /queue/stats":"Статистика очереди задач","GET /session/{telegram_id}":"Информация о сессии","POST /session/{telegram_id}/archive":"Архивировать сессию","GET /stats":"Статистика сервиса"}}