feat: strengthen backup and mobile workflows

frontend/pnpm-lock.yaml

@@ -39,6 +39,9 @@ importers:
         specifier: latest
         version: 5.3.1(@vue/[email protected])([email protected])([email protected](@types/[email protected])([email protected]))([email protected]([email protected]))
     devDependencies:
+      '@playwright/test':
+        specifier: ^1.63.0
+        version: 1.63.0
       '@tailwindcss/vite':
         specifier: latest
         version: 4.3.3([email protected](@types/[email protected])([email protected]))
@@ -48,6 +51,9 @@ importers:
       '@types/node':
         specifier: latest
         version: 26.4.1
+      fflate:
+        specifier: ^0.8.3
+        version: 0.8.3
       jsdom:
         specifier: ^30.0.1
         version: 30.0.1
@@ -180,6 +186,11 @@ packages:
   '@oxc-project/[email protected]':
     resolution: {integrity: sha512-Nm4s/jB+4FpFsPhWGEC4h7rzksesmtnMXomo6rCMcg/b8zLQuOziRgkCS1fxDCXOlJB/6Q8oABOZ/OP6RIPj9A==}
 
+  '@playwright/[email protected]':
+    resolution: {integrity: sha512-oxMK4vllB9RK5NQ2l1pq1IfOf2AvnEuj/vYGDj0H2nMtmtZpKtCwt/l00GEO6xjGfpBNAvjovvYdCm50dRQkpQ==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   '@rolldown/[email protected]':
     resolution: {integrity: sha512-EypzgnYCwyVY4NDHKzGmNJT5b+XaQEBniHxsMdeIQLB/tcCzZnhqrzHpZFbX9iaxx+5RiB8caATBtfvZP7zVxQ==}
     engines: {node: ^20.19.0 || >=22.12.0}
@@ -614,6 +625,9 @@ packages:
       picomatch:
         optional: true
 
+  [email protected]:
+    resolution: {integrity: sha512-tbZNuJrLwGUp3zshBtdy4W+ORxZuIh8a5ilyIEQDC5rY1f3U20JMry0Ll3WBzU58EZKsEuJFXhb5gwv8CsPvgA==}
+
   [email protected]:
     resolution: {integrity: sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==}
     engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
@@ -878,6 +892,16 @@ packages:
   [email protected]:
     resolution: {integrity: sha512-v0sVXzj7oPGysr543YYZLYbcJNJsKikSsp/fFzoxQ12ewY3ZZr7oCPC8y7OlmxfYB3QPvriXmuPD8KZggE1vqg==}
 
+  [email protected]:
+    resolution: {integrity: sha512-rYCsBF/M5HjUch52bbtVONEFjv6Xu8sm8h72dNlR5bzIE1fvC/bxgspzkjSfU+MweEMmPM8KJebG6nnyxo5mCg==}
+    engines: {node: '>=20'}
+    hasBin: true
+
+  [email protected]:
+    resolution: {integrity: sha512-+7ziBLidS4NaNCdt57SUDT+wYmmd5fmiQejUic/kb+YsYSCPyOOE9sebzMjNmQrsnNpDJqd4WHvV/8lfKfUDUg==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   [email protected]:
     resolution: {integrity: sha512-RRuzqDtt5Y9h3quz5hWhK+TPnsmVs6WwSU6LkJMeY4HstUEDuYTG8UJSdawMRzmzAtV+KEoG8N3Qg2qLy5vM/A==}
     engines: {node: ^10 || ^12 || >=14}
@@ -1303,6 +1327,10 @@ snapshots:
 
   '@oxc-project/[email protected]': {}
 
+  '@playwright/[email protected]':
+    dependencies:
+      playwright: 1.63.0
+
   '@rolldown/[email protected]':
     optional: true
 
@@ -1674,6 +1702,8 @@ snapshots:
     optionalDependencies:
       picomatch: 4.0.7
 
+  [email protected]: {}
+
   [email protected]:
     optional: true
 
@@ -1901,6 +1931,12 @@ snapshots:
       exsolve: 1.1.1
       pathe: 2.0.3
 
+  [email protected]: {}
+
+  [email protected]:
+    dependencies:
+      playwright-core: 1.63.0
+
   [email protected]:
     dependencies:
       nanoid: 3.3.18