Function generateTimeOfDayChart

src/commands/insights.ts:1902–1937

(messageHours: number[])

}

function generateTimeOfDayChart(messageHours: number[]): string {
  if (messageHours.length === 0) return '<p class="empty">No time data</p>'

  // Group into time periods
  const periods = [
    { label: 'Morning (6-12)', range: [6, 7, 8, 9, 10, 11] },
    { label: 'Afternoon (12-18)', range: [12, 13, 14, 15, 16, 17] },
    { label: 'Evening (18-24)', range: [18, 19, 20, 21, 22, 23] },
    { label: 'Night (0-6)', range: [0, 1, 2, 3, 4, 5] },
  ]

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

  const periodCounts = periods.map(p => ({
    label: p.label,
    count: p.range.reduce((sum, h) => sum + (hourCounts[h] || 0), 0),
  }))

  const maxVal = Math.max(...periodCounts.map(p => p.count)) || 1

  const barsHtml = periodCounts
    .map(
      p => `
      <div class="bar-row">
        <div class="bar-label">${p.label}</div>
        <div class="bar-track"><div class="bar-fill" style="width:${(p.count / maxVal) * 100}%;background:#8b5cf6"></div></div>
        <div class="bar-value">${p.count}</div>
      </div>`,
    )
    .join('\n')

  return `<div id="hour-histogram">${barsHtml}</div>`
}

function getHourCountsJson(messageHours: number[]): string {
  const hourCounts: Record<number, number> = {}