feat: mobile-like window size and always-visible stats

- Changed window size to mobile phone format (400x800)
- Removed width condition for ActiveProxyFooter - now always visible
- Added run-umbrix.sh launch script with icon copying
- Stats cards now display on all screen sizes

pubspec.lock

@@ -1060,6 +1060,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
+  open_file:
+    dependency: "direct main"
+    description:
+      name: open_file
+      sha256: b22decdae85b459eac24aeece48f33845c6f16d278a9c63d75c5355345ca236b
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.5.11"
+  open_file_android:
+    dependency: transitive
+    description:
+      name: open_file_android
+      sha256: "58141fcaece2f453a9684509a7275f231ac0e3d6ceb9a5e6de310a7dff9084aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.6"
+  open_file_ios:
+    dependency: transitive
+    description:
+      name: open_file_ios
+      sha256: a5acd07ba1f304f807a97acbcc489457e1ad0aadff43c467987dd9eef814098f
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  open_file_linux:
+    dependency: transitive
+    description:
+      name: open_file_linux
+      sha256: d189f799eecbb139c97f8bc7d303f9e720954fa4e0fa1b0b7294767e5f2d7550
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.5"
+  open_file_mac:
+    dependency: transitive
+    description:
+      name: open_file_mac
+      sha256: cd293f6750de6438ab2390513c99128ade8c974825d4d8128886d1cda8c64d01
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  open_file_platform_interface:
+    dependency: transitive
+    description:
+      name: open_file_platform_interface
+      sha256: "101b424ca359632699a7e1213e83d025722ab668b9fd1412338221bf9b0e5757"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
+  open_file_web:
+    dependency: transitive
+    description:
+      name: open_file_web
+      sha256: e3dbc9584856283dcb30aef5720558b90f88036360bd078e494ab80a80130c4f
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.4"
+  open_file_windows:
+    dependency: transitive
+    description:
+      name: open_file_windows
+      sha256: d26c31ddf935a94a1a3aa43a23f4fff8a5ff4eea395fe7a8cb819cf55431c875
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.0.3"
   os_detect:
     dependency: transitive
     description: