Added onboarding + a lightweight install banner to both the mobile login screen and the settings screen, with Android/Chromium

install prompt support and iOS “Share → Add to Home Screen” guidance. Also added a small helper + tests to decide
  when/which banner variant should show, and shared copy in common.json.

resources/js/admin/i18n/locales/en/common.json

@@ -66,6 +66,12 @@
     "viewAll": "View all",
     "dismiss": "Dismiss"
   },
+  "installBanner": {
+    "title": "Install Fotospiel Admin",
+    "body": "Add the app to your home screen for faster access and offline support.",
+    "action": "Install",
+    "iosHint": "On iOS: Share → Add to Home Screen."
+  },
   "errors": {
     "generic": "Something went wrong. Please try again.",
     "eventLimit": "Your current package has no remaining event slots.",

resources/js/admin/i18n/locales/en/management.json

@@ -1924,6 +1924,27 @@
     "emptySupportBody": "We are here if you need a hand getting started.",
     "emptySupportDocs": "Docs: Getting started",
     "emptySupportEmail": "Email support",
+    "setupTitle": "Set up this device",
+    "setupSubtitle": "Finish these steps for the best mobile experience.",
+    "setup": {
+      "installTitle": "Install app",
+      "installDescription": "Get full-screen access and faster launch.",
+      "installIosHint": "On iOS: Share → Add to Home Screen.",
+      "installReady": "Ready",
+      "installManual": "Manual",
+      "installAction": "Install now",
+      "pushTitle": "Enable push notifications",
+      "pushDescription": "Stay on top of uploads and quota alerts.",
+      "pushBlockedDesc": "Notifications are blocked in the browser settings.",
+      "pushBlocked": "Blocked",
+      "pushOff": "Off",
+      "pushAction": "Enable push",
+      "pushSettings": "Open settings",
+      "storageTitle": "Protect offline data",
+      "storageDescription": "Keep cached uploads available when you go offline.",
+      "storageUnprotected": "Not protected",
+      "storageAction": "Protect now"
+    },
     "pickEvent": "Select an event",
     "status": {
       "published": "Live",
@@ -1950,6 +1971,26 @@
     "alertPending": "{{count}} new uploads awaiting moderation",
     "alertTasks": "{{count}} tasks due or open"
   },
+  "mobileTour": {
+    "title": "Quick tour",
+    "progress": "Step {{current}} of {{total}}",
+    "skip": "Skip",
+    "back": "Back",
+    "next": "Next",
+    "done": "Done",
+    "eventTitle": "Create your first event",
+    "eventBody": "Add the date, location, and package to unlock sharing.",
+    "eventAction": "Create event",
+    "qrTitle": "Share your QR code",
+    "qrBody": "Guests join instantly by scanning or using the invite link.",
+    "qrAction": "Open QR",
+    "photosTitle": "Moderate uploads",
+    "photosBody": "Approve, feature, or hide photos with quick swipes.",
+    "photosAction": "Review photos",
+    "pushTitle": "Stay in the loop",
+    "pushBody": "Enable push alerts to catch limits and new uploads fast.",
+    "pushAction": "Notification settings"
+  },
   "mobileUploads": {
     "title": "Uploads",
     "emptyTitle": "Create an event first",
@@ -1960,6 +2001,9 @@
   "mobilePhotos": {
     "title": "Photo moderation",
     "empty": "No photos found.",
+    "emptyTitle": "No uploads yet",
+    "emptyBody": "Share the QR code so guests can start uploading photos.",
+    "emptyAction": "Share QR code",
     "count": "{{count}} photos",
     "filtersTitle": "Filter",
     "applyFilters": "Apply filters",
@@ -2249,6 +2293,9 @@
   "mobileNotifications": {
     "title": "Notifications",
     "empty": "No notifications yet.",
+    "emptyTitle": "All caught up",
+    "emptyBody": "Enable push to receive alerts about uploads, guests, and expiring galleries.",
+    "emptyAction": "Check notification settings",
     "filterByEvent": "Filter by event",
     "unknownEvent": "Event"
   },