Function computePrivateRegularity

packages/core/src/query/contact-scoring.ts:113–122

(activeMonths: readonly string[])

}

export function computePrivateRegularity(activeMonths: readonly string[]): number {
  const monthIndexes = getActiveMonthIndexes(activeMonths)
  if (monthIndexes.length === 0) return 0

  const activeCount = monthIndexes.length
  const spanMonths = monthIndexes[monthIndexes.length - 1] - monthIndexes[0] + 1

  // 定期性衡量持续规律：活跃月越多越高，跨度很大但只零星出现会被均匀度压低。
  return activeCount * (activeCount / spanMonths)
}

export function computeFriendScore(components: FriendScoreComponents): ContactScoringResult {
  const privateMessageScore = clamp01(components.privateMessageScore)