Function getHourCountsJson

src/commands/insights.ts:1939–1945

(messageHours: number[])

}

function getHourCountsJson(messageHours: number[]): string {
  const hourCounts: Record<number, number> = {}
  for (const h of messageHours) {
    hourCounts[h] = (hourCounts[h] || 0) + 1
  }
  return jsonStringify(hourCounts)
}

function generateHtmlReport(
  data: AggregatedData,