ТЗ: Автономный multi-agent пайплайн анализа бизнес-метрик (Planner-Worker-Validator)

// lib/agents/analystGraph.ts
export interface AnalystState {
  question: string
  plan: string[]
  sqlQueries: string[]
  dataResults: Record<string, unknown>[]
  validationErrors: string[]
  iterationCount: number
  isApproved: boolean
  finalReport: string
}

export function shouldContinue(state: AnalystState): 'worker' | 'report' | 'abort' {
  if (state.isApproved) return 'report'
  if (state.iterationCount >= 3) return 'abort'
  return 'worker'
}

export async function validatorNode(state: AnalystState): Promise<Partial<AnalystState>> {
  const errors: string[] = []

  // Проверка аномалий в данных
  for (const row of state.dataResults) {
    if (typeof row.revenue === 'number' && row.revenue < 0) {
      errors.push('Обнаружена отрицательная выручка в строке данных')
    }
  }

  const isApproved = errors.length === 0

  return {
    isApproved,
    validationErrors: errors,
    iterationCount: state.iterationCount + 1
  }
}