diff --git a/backend/static/js/app.js b/backend/static/js/app.js
index 247d544..b089240 100644
--- a/backend/static/js/app.js
+++ b/backend/static/js/app.js
@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER = '479'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER = '480'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 
 const App = (() => {
 
diff --git a/backend/static/manifest.json b/backend/static/manifest.json
index 1214470..8b91344 100644
--- a/backend/static/manifest.json
+++ b/backend/static/manifest.json
@@ -1,20 +1,83 @@
 {
+  "id": "/",
   "name": "Ban Yaro — Die Hunde-Plattform",
   "short_name": "Ban Yaro",
   "description": "Alles rund um deinen Hund. Von Welpe bis Opa.",
   "start_url": "/",
+  "scope": "/",
   "display": "standalone",
   "orientation": "portrait-primary",
   "background_color": "#FAF7F2",
   "theme_color": "#C4843A",
   "lang": "de",
-  "categories": ["lifestyle", "social"],
+  "dir": "ltr",
+  "categories": [
+    "lifestyle",
+    "social"
+  ],
+  "prefer_related_applications": false,
   "icons": [
-    { "src": "/icons/icon-192.png",     "sizes": "192x192", "type": "image/png", "purpose": "any" },
-    { "src": "/icons/icon-512.png",     "sizes": "512x512", "type": "image/png", "purpose": "any" },
-    { "src": "/icons/icon-180.png",     "sizes": "180x180", "type": "image/png", "purpose": "any" },
-    { "src": "/icons/icon-192-any.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
-    { "src": "/icons/icon-512-any.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
+    {
+      "src": "/icons/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/icons/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/icons/icon-192-any.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "/icons/icon-512-any.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ],
+  "screenshots": [
+    {
+      "src": "/img/screenshots/screen-1.jpg",
+      "sizes": "920x2000",
+      "type": "image/jpeg",
+      "form_factor": "narrow",
+      "label": "Tagebuch & Erinnerungen"
+    },
+    {
+      "src": "/img/screenshots/screen-2.jpg",
+      "sizes": "920x2000",
+      "type": "image/jpeg",
+      "form_factor": "narrow",
+      "label": "Karte & Gassi-Spots"
+    },
+    {
+      "src": "/img/screenshots/screen-3.jpg",
+      "sizes": "920x2000",
+      "type": "image/jpeg",
+      "form_factor": "narrow",
+      "label": "Gesundheit & Termine"
+    },
+    {
+      "src": "/img/screenshots/screen-4.jpg",
+      "sizes": "920x2000",
+      "type": "image/jpeg",
+      "form_factor": "narrow",
+      "label": "Giftköder-Alarm"
+    },
+    {
+      "src": "/img/screenshots/screen-5.jpg",
+      "sizes": "920x2000",
+      "type": "image/jpeg",
+      "form_factor": "narrow",
+      "label": "Installation ohne App Store"
+    }
   ],
   "share_target": {
     "action": "/share",
@@ -22,28 +85,51 @@
     "enctype": "multipart/form-data",
     "params": {
       "title": "title",
-      "text":  "text",
-      "url":   "url",
-      "files": [{ "name": "media", "accept": ["image/*", "video/*"] }]
+      "text": "text",
+      "url": "url",
+      "files": [
+        {
+          "name": "media",
+          "accept": [
+            "image/*",
+            "video/*"
+          ]
+        }
+      ]
     }
   },
   "shortcuts": [
     {
-      "name":        "Tagebuch",
-      "url":         "/#diary",
-      "icons":       [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
+      "name": "Tagebuch",
+      "url": "/#diary",
+      "icons": [
+        {
+          "src": "/icons/icon-192.png",
+          "sizes": "192x192"
+        }
+      ]
     },
     {
-      "name":        "Widget",
-      "short_name":  "Widget",
+      "name": "Widget",
+      "short_name": "Widget",
       "description": "Nächste Erinnerung + zufälliges Tagebuchbild",
-      "url":         "/#widget",
-      "icons":       [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
+      "url": "/#widget",
+      "icons": [
+        {
+          "src": "/icons/icon-192.png",
+          "sizes": "192x192"
+        }
+      ]
     },
     {
-      "name":        "Giftköder melden",
-      "url":         "/#poison",
-      "icons":       [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
+      "name": "Giftköder melden",
+      "url": "/#poison",
+      "icons": [
+        {
+          "src": "/icons/icon-192.png",
+          "sizes": "192x192"
+        }
+      ]
     }
   ]
-}
+}
\ No newline at end of file
diff --git a/backend/static/sw.js b/backend/static/sw.js
index 8a0622e..bc49fd5 100644
--- a/backend/static/sw.js
+++ b/backend/static/sw.js
@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v502';
+const CACHE_VERSION = 'by-v503';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten