feat: agent-02-kiosk Phase 2A - Auth endpoints (PIN/NFC/QR/List)

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

DEVLOG.md

@@ -924,3 +924,19 @@ Keine Commits in dieser Session.
 - frontend/src/pages/KioskDevicesPage.tsx | 412 +++++++++++++++++--------
 
 ---
+## 2026-05-24 12:37 – 12:47 (10m)
+**Beschreibung:** Claude Code Session
+**Projekt:** frontend
+
+### Commits
+- 094863f feat: agent-02-kiosk Phase 1 - NFC UID migration + session service
+- 1db7164 fix(security): SSRF-Schutz für CalDAV-URLs
+
+### Geänderte Dateien
+- backend/app/core/redis.py                         |  28 ++++++
+- backend/app/models/user.py                        |   3 +
+- backend/app/services/kiosk_session_service.py     | 114 ++++++++++++++++++++++
+- backend/migrations/versions/0025_kiosk_nfc_uid.py |  36 +++++++
+- frontend/DEVLOG.md                                |  51 ++++++++++
+
+---