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/hooks/usePlanerView.ts

@@ -0,0 +1,50 @@
+import { useState, useCallback, useEffect } from 'react'
+import { api } from '../api/client'
+import type { UserOut, UserListItem, VacationBalanceOut } from '../types/absence'
+import { MANAGER_ROLES } from '../utils/calendar'
+
+export function usePlanerView(user: UserOut | null, colleagues: UserListItem[], year: number) {
+  const [viewMode, setViewMode] = useState<'liste' | 'planer'>('liste')
+  const [planMonth, setPlanMonth] = useState(new Date().getMonth())
+  const [colleagueBalances, setColleagueBalances] = useState<Record<string, VacationBalanceOut>>({})
+  const [balancesLoaded, setBalancesLoaded] = useState(false)
+  const [showYearGrid, setShowYearGrid] = useState<boolean>(() => {
+    try { return localStorage.getItem('planer_showYearGrid') !== 'false' }
+    catch { return true }
+  })
+
+  useEffect(() => {
+    try { localStorage.setItem('planer_showYearGrid', String(showYearGrid)) }
+    catch { /* ignore */ }
+  }, [showYearGrid])
+
+  const loadColleagueBalances = useCallback(async (list: UserListItem[]) => {
+    if (list.length === 0 || balancesLoaded) return
+    try {
+      const results = await Promise.allSettled(
+        list.map(c => api.get<VacationBalanceOut>(`/absences/balance/${c.id}?year=${year}`))
+      )
+      const map: Record<string, VacationBalanceOut> = {}
+      results.forEach((r, i) => { if (r.status === 'fulfilled') map[list[i].id] = r.value })
+      setColleagueBalances(map)
+      setBalancesLoaded(true)
+    } catch { /* ignore */ }
+  }, [year, balancesLoaded])
+
+  useEffect(() => {
+    if (viewMode === 'planer' && user && MANAGER_ROLES.includes(user.role) && colleagues.length > 0 && !balancesLoaded) {
+      loadColleagueBalances(colleagues)
+    }
+  }, [viewMode, user, colleagues, balancesLoaded, loadColleagueBalances])
+
+  return {
+    viewMode,
+    setViewMode,
+    planMonth,
+    setPlanMonth,
+    colleagueBalances,
+    balancesLoaded,
+    showYearGrid,
+    setShowYearGrid,
+  }
+}