diff --git a/.vscode/launch.json b/.vscode/launch.json
index 98b4803..8cbc156 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -11,7 +11,10 @@
         "FLASK_APP": "backend/main.py",
         "FLASK_DEBUG": "1",
         "SECRET_KEY": "dev-secret-key-change-in-production",
-        "REFRESH_TOKEN_EXPIRY_DAYS": "90"
+        "REFRESH_TOKEN_EXPIRY_DAYS": "90",
+        "DIGEST_TOKEN_SECRET": "dev-digest-token",
+        "VAPID_PUBLIC_KEY": "BNKkHdq45uLigohSG7c1TwlAo7ETncoRVLQK02LxHgu2P1DgSJD9njRMfbbzUsaTQGllvLBz7An1WiWsNYQhvKE",
+        "VAPID_PRIVATE_KEY": "jNiZJT0UO4H861KmnCt874Fg6p5jDAyYKS4V2MZf8bQ"
       },
       "args": [
         "run",
diff --git a/frontend/vue-app/192.168.1.102+1-key.pem b/frontend/vue-app/192.168.1.102+1-key.pem
index 17ebd0e..597b441 100644
--- a/frontend/vue-app/192.168.1.102+1-key.pem
+++ b/frontend/vue-app/192.168.1.102+1-key.pem
@@ -1,28 +1,28 @@
 -----BEGIN PRIVATE KEY-----
-MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCu4wdLkE3sTDd9
-Mea+AJFpnsk2nR0CBm0MqopJvr0E7X+iOpVRdfHOqxQ5vS6a5sjMjDDLjpO6Qb6Z
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-JAkBTmATcPrsnYxqk1kwZsTcgrnXZwXKWBKtKy6i728V1bLxYF/KyizGnaClt0+I
-H0qi5jnF5ispXmdBlJa2kFOzDNRa4iO7m328nqFSikdYT/xaPfGwNtTplgSxQ2kE
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+1Jroja8Cq6ZE3XsBwW+ge28=
 -----END PRIVATE KEY-----
diff --git a/frontend/vue-app/192.168.1.102+1.pem b/frontend/vue-app/192.168.1.102+1.pem
index 550ab5e..3245bf7 100644
--- a/frontend/vue-app/192.168.1.102+1.pem
+++ b/frontend/vue-app/192.168.1.102+1.pem
@@ -1,25 +1,26 @@
 -----BEGIN CERTIFICATE-----
-MIIETDCCArSgAwIBAgIQDRI/2ndt0jHqQgdHokXM3jANBgkqhkiG9w0BAQsFADCB
-hTEeMBwGA1UEChMVbWtjZXJ0IGRldmVsb3BtZW50IENBMS0wKwYDVQQLDCRERVNL
-VE9QLUFVOTBHNkpcUnlhbkBERVNLVE9QLUFVOTBHNkoxNDAyBgNVBAMMK21rY2Vy
-dCBERVNLVE9QLUFVOTBHNkpcUnlhbkBERVNLVE9QLUFVOTBHNkowHhcNMjUxMTE4
-MTU1MjA1WhcNMjgwMjE4MTU1MjA1WjBYMScwJQYDVQQKEx5ta2NlcnQgZGV2ZWxv
-cG1lbnQgY2VydGlmaWNhdGUxLTArBgNVBAsMJERFU0tUT1AtQVU5MEc2SlxSeWFu
-QERFU0tUT1AtQVU5MEc2SjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
-AK7jB0uQTexMN30x5r4AkWmeyTadHQIGbQyqikm+vQTtf6I6lVF18c6rFDm9Lprm
-yMyMMMuOk7pBvpmjTOubo352OF8+UhN3Bdeg1bhNRGtZoEXJBcPMe355pUExelGE
-tgVyke8Vqb4R8zvlcHlSY17jTR4qEALkgwg7G4BaEww3VN8wZWS36lACFMVht5Yy
-8R8LFjQhjfB/Mx/v5kwpzVhDRHyGHCoXYo/kGzDBMUAgA2GimSoaSzM7PllFAhWV
-kJJh6Ft8YSSWk+guM94XSpklbA/NnLR9P1IkfWwuXxID/4pOjqfcZ4mk90b4yXEy
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+WuBkDmpNzU0HOUSxZNRIIVb5/dA7YA==
 -----END CERTIFICATE-----
diff --git a/frontend/vue-app/public/icons/icon-192x192.png b/frontend/vue-app/public/icons/icon-192x192.png
new file mode 100644
index 0000000..35c1989
Binary files /dev/null and b/frontend/vue-app/public/icons/icon-192x192.png differ
diff --git a/frontend/vue-app/public/icons/icon-512x512.png b/frontend/vue-app/public/icons/icon-512x512.png
new file mode 100644
index 0000000..ed932fd
Binary files /dev/null and b/frontend/vue-app/public/icons/icon-512x512.png differ
diff --git a/frontend/vue-app/public/manifest.json b/frontend/vue-app/public/manifest.json
index 2b13ab4..c60cfe5 100644
--- a/frontend/vue-app/public/manifest.json
+++ b/frontend/vue-app/public/manifest.json
@@ -1,4 +1,5 @@
 {
+  "id": "/",
   "name": "Reward App",
   "short_name": "Rewards",
   "start_url": "/",
@@ -9,8 +10,20 @@
   "icons": [
     {
       "src": "/favicon.ico",
-      "sizes": "48x48",
+      "sizes": "32x32",
       "type": "image/x-icon"
+    },
+    {
+      "src": "/icons/icon-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "any"
+    },
+    {
+      "src": "/icons/icon-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "any"
     }
   ]
 }
diff --git a/frontend/vue-app/public/sw.js b/frontend/vue-app/public/sw.js
index 3a2b0bf..98c6937 100644
--- a/frontend/vue-app/public/sw.js
+++ b/frontend/vue-app/public/sw.js
@@ -1,5 +1,14 @@
 /* Service Worker for Reward App push notifications */
 
+/* Activate immediately — no waiting for old tabs to close */
+self.addEventListener('install', function (event) {
+  event.waitUntil(self.skipWaiting())
+})
+
+self.addEventListener('activate', function (event) {
+  event.waitUntil(self.clients.claim())
+})
+
 self.addEventListener('push', function (event) {
   if (!event.data) return
 
@@ -13,6 +22,7 @@ self.addEventListener('push', function (event) {
   const title = payload.title || 'Reward App'
   const options = {
     body: payload.body || '',
+    icon: '/icons/icon-192x192.png',
     data: payload,
     actions: [
       { action: 'approve', title: 'Approve' },