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/components/Spinner.tsx

@@ -0,0 +1,7 @@
+export function Spinner() {
+  return (
+    <div className='flex justify-center items-center h-32'>
+      <div className='animate-spin rounded-full h-10 w-10 border-4 border-blue-500 border-t-transparent' />
+    </div>
+  )
+}