fix(home): force numeric keypad for the interval-minutes input on mobile

type="number" alone shows a regular keyboard with a number row on iOS;
inputmode="numeric" + pattern="[0-9]*" tells the OS to surface the
numeric keypad instead.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

public/build/index.html

@@ -14,7 +14,7 @@
     <meta name="mobile-web-app-capable" content="yes" />
     <meta name="apple-mobile-web-app-status-bar-style" content="default" />
     <meta name="apple-mobile-web-app-title" content="pictureFrame" />
-    <script type="module" crossorigin src="/build/assets/index-CpnEuee0.js"></script>
+    <script type="module" crossorigin src="/build/assets/index-CUXjhfPi.js"></script>
     <link rel="modulepreload" crossorigin href="/build/assets/_plugin-vue_export-helper-CeYnMxKK.js">
     <link rel="stylesheet" crossorigin href="/build/assets/index-BlLBHR1q.css">
   </head>