Feature: Ratings, Lightbox, Forum-Standort, Notifications, Routen-Recording, Chat-Picker

- Bewertungssystem (ratings.py): Sterne für Sitter/Walks/Places/Routen
- Admin: Server-Log-Viewer + OSM-Cache-Statistiken
- Chat: "Neue Nachricht"-Button mit Freundesliste-Picker
- Forum: 5 neue Kategorien, Standorteingabe (locationPicker), Absende-Toast, Lightbox
- Freunde: Aktivitäts-Filter (Chips), Freundschaftsanfrage → In-App-Notification
- Sitter: locationPicker statt manuelle Koordinateneingabe + ratingStars
- Tagebuch: Bilder-Lightbox im Detail-View, iOS-Modal-Header-Fix (90svh)
- Routen: Start/Stopp-Button wechselt Zustand, nutzt Page_map.isRecording()
- Benachrichtigungen: Delete-Button sichtbar, typ-basierte Navigation, Toast-Feedback
- OSM: globales Semaphore + 429-Retry-Logic; Scheduler: München-Umland, täglich
- SW by-v225, APP_VER 202

backend/scheduler.py

@@ -58,7 +58,7 @@ def start():
     )
     _scheduler.add_job(
         _job_prewarm_cities,
-        CronTrigger(day_of_week='sun', hour=1),  # jeden Sonntag 01:00 Uhr
+        CronTrigger(hour=2, minute=0),  # täglich 02:00 Uhr
         id="prewarm_cities",
         replace_existing=True,
         misfire_grace_time=7200,
@@ -71,14 +71,6 @@ def start():
         id="import_events_startup",
         replace_existing=True,
     )
-    # Einmalig beim Start (nach 90s) — OSM-Tiles für Großstädte vorwärmen
-    _scheduler.add_job(
-        _job_prewarm_cities,
-        'date',
-        run_date=datetime.now(tz=_TZ) + timedelta(seconds=90),
-        id="prewarm_cities_startup",
-        replace_existing=True,
-    )
     # Einmalig beim Start (nach 15s Verzögerung) — Rassen aus TheDogAPI befüllen
     _scheduler.add_job(
         _job_seed_breeds,
@@ -482,6 +474,15 @@ _CITIES_DE = [
     (52.2763, 8.0479,  "Osnabrück"),
     (53.8755, 10.7000, "Lübeck-Ost"),
     (51.9333, 6.8667,  "Borken"),
+    # München Umland
+    (48.0734, 11.9661, "Ebersberg"),
+    (47.9947, 11.6612, "Holzkirchen"),
+    (48.0628, 11.6574, "Ottobrunn"),
+    (48.2456, 11.3712, "Dachau"),
+    (48.1667, 11.7833, "Vaterstetten"),
+    (48.2667, 11.6667, "Garching"),
+    (48.0667, 11.4667, "Gauting"),
+    (47.9833, 11.3000, "Starnberg"),
 ]
 
 async def _job_prewarm_cities():
@@ -493,7 +494,7 @@ async def _job_prewarm_cities():
     REPORT_INTERVAL = 5 * 3600  # alle 5 Stunden
 
     logger.info("City-Prewarm Job startet…")
-    sem           = asyncio.Semaphore(2)
+    sem           = asyncio.Semaphore(1)
     total_fetched = 0
     cities_done   = 0
     start_time    = time.monotonic()
@@ -504,7 +505,7 @@ async def _job_prewarm_cities():
         async with sem:
             await _fetch_and_store_tile(poi_type, x, y)
             total_fetched += 1
-            await asyncio.sleep(1.5)
+            await asyncio.sleep(5)
 
     async def _send_progress(subject_prefix, cities_done, total_cities, eta_str=""):
         if not ADMIN: