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/main.py

@@ -4,6 +4,7 @@ BAN YARO — FastAPI Hauptanwendung
 
 import os
 import logging
+from collections import deque
 from fastapi import FastAPI, Request
 from fastapi.staticfiles import StaticFiles
 from fastapi.responses import FileResponse, JSONResponse
@@ -13,10 +14,25 @@ from database import init_db
 import ki
 import scheduler as sched
 
+# In-Memory Log-Buffer (letzte 500 Zeilen)
+log_buffer: deque = deque(maxlen=500)
+
+class _BufferHandler(logging.Handler):
+    _fmt = logging.Formatter()
+
+    def emit(self, record):
+        log_buffer.append({
+            't': self._fmt.formatTime(record, '%H:%M:%S'),
+            'l': record.levelname,
+            'm': record.getMessage(),
+            'n': record.name,
+        })
+
 logging.basicConfig(
     level   = logging.INFO,
     format  = "%(asctime)s [%(levelname)s] %(name)s: %(message)s",
 )
+logging.getLogger().addHandler(_BufferHandler())
 logger = logging.getLogger(__name__)
 
 
@@ -78,6 +94,7 @@ from routes.sharing    import dog_router as sharing_dog_router, share_router as
 from routes.widget         import router as widget_router
 from routes.notifications  import router as notifications_router
 from routes.services       import router as services_router
+from routes.ratings        import router as ratings_router
 
 app.include_router(auth_router,       prefix="/api/auth",       tags=["Auth"])
 app.include_router(dogs_router,       prefix="/api/dogs",       tags=["Hunde"])
@@ -109,6 +126,7 @@ app.include_router(sharing_share_router,   prefix="/api/share",   tags=["Teilen"
 app.include_router(widget_router,          prefix="/api/widget",  tags=["Widget"])
 app.include_router(notifications_router,   prefix="/api/notifications", tags=["Notifications"])
 app.include_router(services_router,        prefix="/api/services",      tags=["Services"])
+app.include_router(ratings_router,         prefix="/api/ratings",       tags=["Ratings"])
 
 
 # ------------------------------------------------------------------