Fix: Alle Timestamps einheitlich auf Europe/Berlin Zeitzone

Inkonsistenz behoben: Manche Timestamps wurden in UTC, andere in
Berlin-Zeit gespeichert. Das fuehrte zu Fehlern beim Auto-Refresh
und Faktencheck, da Zeitvergleiche falsche Ergebnisse lieferten.

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

src/main.py

@@ -101,7 +101,7 @@ async def check_auto_refresh():
 
             # Nur letzten AUTO-Refresh prüfen (manuelle Refreshs ignorieren)
             cursor = await db.execute(
-                "SELECT started_at FROM refresh_log WHERE incident_id = ? AND trigger_type = 'auto' ORDER BY started_at DESC LIMIT 1",
+                "SELECT completed_at FROM refresh_log WHERE incident_id = ? AND trigger_type = 'auto' AND status = 'completed' ORDER BY completed_at DESC LIMIT 1",
                 (incident_id,),
             )
             last_refresh = await cursor.fetchone()
@@ -110,7 +110,7 @@ async def check_auto_refresh():
             if not last_refresh:
                 should_refresh = True
             else:
-                last_time = datetime.fromisoformat(last_refresh["started_at"])
+                last_time = datetime.fromisoformat(last_refresh["completed_at"])
                 if last_time.tzinfo is None:
                     last_time = last_time.replace(tzinfo=TIMEZONE)
                 elapsed = (now - last_time).total_seconds() / 60
@@ -262,12 +262,14 @@ from routers.incidents import router as incidents_router
 from routers.sources import router as sources_router
 from routers.notifications import router as notifications_router
 from routers.feedback import router as feedback_router
+from routers.public_api import router as public_api_router
 
 app.include_router(auth_router)
 app.include_router(incidents_router)
 app.include_router(sources_router)
 app.include_router(notifications_router)
 app.include_router(feedback_router)
+app.include_router(public_api_router)
 
 
 @app.websocket("/api/ws")