Initial commit – TimeMaster Zeiterfassung & HR-Tool

Stand: agent-06 (Audit-Log), agent-05 (Krankmeldung), agent-07 Phase 1 (Personalnummer),
Busylight-Pull-Integration, TOTP/2FA, Abwesenheiten, Zeiterfassung, Kiosk-Grundgerüst.
Migrations 0001–0023 deployed auf 192.168.1.137 + .164.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/utils/calendar.ts

@@ -0,0 +1,72 @@
+import type { AbsenceSpan } from '../types/absence'
+
+export const MONTHS = [
+  'Januar', 'Februar', 'März', 'April', 'Mai', 'Juni',
+  'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember',
+]
+
+export const MONTHS_SHORT = [
+  'Jan', 'Feb', 'Mär', 'Apr', 'Mai', 'Jun',
+  'Jul', 'Aug', 'Sep', 'Okt', 'Nov', 'Dez',
+]
+
+export const DAY_LABELS = ['Mo', 'Di', 'Mi', 'Do', 'Fr', 'Sa', 'So']
+
+export const STATUS_LABELS: Record<string, string> = {
+  pending: 'Ausstehend',
+  approved: 'Genehmigt',
+  rejected: 'Abgelehnt',
+  cancelled: 'Storniert',
+}
+
+export const STATUS_COLORS: Record<string, string> = {
+  pending: 'bg-yellow-100 text-yellow-700',
+  approved: 'bg-green-100 text-green-700',
+  rejected: 'bg-red-100 text-red-700',
+  cancelled: 'bg-gray-100 text-gray-500',
+}
+
+export const MANAGER_ROLES = ['COMPANY_ADMIN', 'SUPER_ADMIN', 'HR', 'MANAGER']
+
+export function isoWeekday(d: Date): number {
+  return (d.getDay() + 6) % 7
+}
+
+export function buildCalendarWeeks(year: number, month: number): Date[][] {
+  const first = new Date(year, month, 1)
+  const last = new Date(year, month + 1, 0)
+  const weeks: Date[][] = []
+  let week: Date[] = []
+
+  // Pad from Monday to the first day of the month
+  const startWd = isoWeekday(first)
+  for (let i = 0; i < startWd; i++) {
+    const d = new Date(year, month, 1 - (startWd - i))
+    week.push(d)
+  }
+
+  for (let day = 1; day <= last.getDate(); day++) {
+    week.push(new Date(year, month, day))
+    if (week.length === 7) {
+      weeks.push(week)
+      week = []
+    }
+  }
+
+  // Pad remaining days to complete last week
+  if (week.length > 0) {
+    let next = 1
+    while (week.length < 7) {
+      week.push(new Date(year, month + 1, next++))
+    }
+    weeks.push(week)
+  }
+
+  return weeks
+}
+
+export function getWeekSpans(week: Date[], spans: AbsenceSpan[]): AbsenceSpan[] {
+  const weekStart = week[0]
+  const weekEnd = week[week.length - 1]
+  return spans.filter(s => s.start <= weekEnd && s.end >= weekStart)
+}