Fix: iOS SW-Update — SKIP_WAITING Handler, location.replace() statt reload(), no-store Header (SW by-v762)

backend/main.py

@@ -327,7 +327,7 @@ MEDIA_DIR = os.getenv("MEDIA_DIR", "/data/media")
 os.makedirs(MEDIA_DIR, exist_ok=True)
 app.mount("/media", StaticFiles(directory=MEDIA_DIR), name="media")
 
-APP_VER = "761"  # muss mit APP_VER in app.js übereinstimmen
+APP_VER = "762"  # muss mit APP_VER in app.js übereinstimmen
 
 @app.get("/api/version")
 async def app_version():
@@ -848,7 +848,7 @@ async def share_target(request: Request):
     # Weiterleitung zur App mit den Daten
     return FileResponse(
         f"{STATIC_DIR}/index.html",
-        headers={"Cache-Control": "no-cache"}
+        headers={"Cache-Control": "no-store, no-cache"}
     )
 
 # Öffentliche Hunde-Profilseite (für NFC-Tags, kein Login nötig)
@@ -1182,17 +1182,17 @@ async def public_dog_page(dog_id: int):
 # ------------------------------------------------------------------
 @app.get("/teilen/{token}")
 async def invite_page(token: str):
-    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-cache"})
+    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-store, no-cache"})
 
 
 @app.get("/breeder/{zwingername}")
 async def breeder_profile_page(zwingername: str):
-    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-cache"})
+    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-store, no-cache"})
 
 
 @app.get("/litters")
 async def litters_page():
-    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-cache"})
+    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-store, no-cache"})
 
 
 # ------------------------------------------------------------------
@@ -1200,7 +1200,7 @@ async def litters_page():
 # ------------------------------------------------------------------
 @app.get("/widget")
 async def widget_page():
-    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-cache"})
+    return FileResponse(f"{STATIC_DIR}/index.html", headers={"Cache-Control": "no-store, no-cache"})
 
 
 # ------------------------------------------------------------------
@@ -1726,7 +1726,7 @@ async def partner_landing():
   </div>
 </body>
 </html>"""
-    return HTMLResponse(content=html, headers={"Cache-Control": "no-cache"})
+    return HTMLResponse(content=html, headers={"Cache-Control": "no-store, no-cache"})
 
 
 # ------------------------------------------------------------------
@@ -1924,8 +1924,8 @@ async def spa_fallback(full_path: str):
             '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180.png">',
             '<link rel="apple-touch-icon" sizes="180x180" href="/icons/icon-180-staging.png">',
         )
-        return HTMLResponse(content=html, headers={"Cache-Control": "no-cache"})
+        return HTMLResponse(content=html, headers={"Cache-Control": "no-store, no-cache"})
     return FileResponse(
         f"{STATIC_DIR}/index.html",
-        headers={"Cache-Control": "no-cache"}
+        headers={"Cache-Control": "no-store, no-cache"}
     )

backend/static/index.html

@@ -578,7 +578,7 @@
 <script src="/js/api.js?v=94"></script>
 <script src="/js/ui.js?v=94"></script>
 <script src="/js/app.js?v=94"></script>
-<script src="/js/worlds.js?v=761"></script>
+<script src="/js/worlds.js?v=762"></script>
 
 <!-- Feature-Seiten werden lazy geladen -->
 
@@ -640,7 +640,8 @@
 
     // Wenn neuer SW die Kontrolle übernimmt → Seite neu laden
     navigator.serviceWorker.addEventListener('controllerchange', () => {
-      window.location.reload();
+      // location.replace statt reload() — bypassed iOS bfcache
+      window.location.replace(window.location.href);
     });
 
     navigator.serviceWorker.addEventListener('message', e => {

backend/static/js/app.js

@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '761'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '762'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.5.0'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
@@ -1045,7 +1045,8 @@ const App = (() => {
         const keys = await caches.keys();
         await Promise.all(keys.map(k => caches.delete(k)));
       } catch { /* ignorieren */ }
-      setTimeout(() => location.reload(), 600);
+      // location.replace bypassed iOS bfcache (reload() stellt alte Seite wieder her)
+      setTimeout(() => location.replace(location.href), 600);
     });
   }
 

backend/static/sw.js

@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v761';
+const CACHE_VERSION = 'by-v762';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache
@@ -344,6 +344,10 @@ self.addEventListener('sync', event => {
 // MESSAGE — Tile-Vorausladung (Offline-Speicherung) + Queue-Steuerung
 // ----------------------------------------------------------
 self.addEventListener('message', event => {
+  if (event.data?.type === 'SKIP_WAITING') {
+    self.skipWaiting();
+    return;
+  }
   if (event.data?.type === 'PROCESS_QUEUE') {
     event.waitUntil(_processQueue());
     return;