Сохранить настройки шага

Сгенерируй СТРОГО валидный JSON. НЕ добавляй НИКАКОГО текста до или после JSON. Никаких пояснений, никаких markdown-обёрток. Только этот JSON: {"budget_phases":[{"phase":"Анализ","amount":15},{"phase":"Дизайн","amount":20},{"phase":"Разработка","amount":45},{"phase":"Тестирование","amount":15},{"phase":"Запуск","amount":10}],"budget_categories":[{"category":"Backend","percentage":40},{"category":"Frontend","percentage":25},{"category":"DevOps","percentage":15},{"category":"QA","percentage":10},{"category":"Дизайн","percentage":10}],"metrics_forecast":[{"month":"Месяц 1","retention":20,"ltv":1000},{"month":"Месяц 3","retention":40,"ltv":3000},{"month":"Месяц 6","retention":55,"ltv":6000},{"month":"Месяц 12","retention":70,"ltv":12000}],"roadmap":[{"milestone":"MVP","duration_weeks":8},{"milestone":"Бета","duration_weeks":4},{"milestone":"Релиз","duration_weeks":2},{"milestone":"Масштабирование","duration_weeks":12}],"risks":[{"name":"Безопасность","probability":7,"impact":9},{"name":"Производительность","probability":5,"impact":7},{"name":"Интеграция","probability":6,"impact":8}]}