TopMetricItemDto

{
    "metric_id": "550e8400-e29b-41d4-a716-446655440000",
    "metric_key": "user_comprehension",
    "metric_name": "Понимание пользователя",
    "metric_type": "builtin",
    "agent_type": "sales",
    "value_type": "number",
    "score": 35.5,
    "direction": "higher_is_better",
    "value": 0.45,
    "baseline": 0.65,
    "change_percent": -30.8,
    "affected_agents_count": 5,
    "events_count": 156,
    "problem_summary": "35% агентов с отклонением"
}