docs: DEVLOG aktualisiert

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

DEVLOG.md

@@ -1656,3 +1656,32 @@ Keine Commits in dieser Session.
 - .gitignore                         |  1 +
 
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+## 2026-05-26 11:11 – 11:13 (2m)
+**Beschreibung:** Claude Code Session
+**Projekt:** timemaster
+
+### Commits
+- 06bb1c1 feat: FZA Einzelstunden + Security-Fixes (K-1–K-5, H-2–H-4, M-1/M-3/M-6)
+
+### Geänderte Dateien
+- DEVLOG.md                                          |  80 ++++++++++++
+- backend/app/core/config.py                         |   8 +-
+- backend/app/core/crypto.py                         |  34 ++++-
+- backend/app/core/kiosk_security.py                 |  20 ++-
+- backend/app/main.py                                |  13 +-
+- backend/app/models/absence.py                      |   4 +
+- backend/app/routers/absences.py                    |  30 ++++-
+- backend/app/routers/auth.py                        |  12 +-
+- backend/app/schemas/absence.py                     |  12 +-
+- backend/app/services/absence_service.py            |  31 +++--
+- backend/app/services/auth_service.py               | 115 ++++++++++++++---
+- backend/app/services/kiosk_auth_service.py         |  94 +++++++++++---
+- backend/app/services/user_service.py               |  42 +++++++
+- backend/migrations/versions/0032_fza_hours.py      |  21 ++++
+- frontend/DEVLOG.md                                 |  60 +++++++++
+- frontend/src/components/absences/AbsenceModals.tsx | 137 +++++++++++++++------
+- frontend/src/hooks/useAbsences.ts                  |   2 +
+- frontend/src/pages/AbsencesPage.tsx                |  29 ++++-
+- nginx.conf                                         |  62 ++++++++--
+
+---