fix(home): stop iOS Safari zooming on the interval-minutes input

iOS auto-zooms <input> elements when their font-size is below 16px. The
"every X minutes" number field was using --text-sm (13px), so tapping it
zoomed the page — unwanted on a PWA. Bumped to 16px to suppress the zoom.

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-Drxuo2vC.js"></script>
+    <script type="module" crossorigin src="/build/assets/index-CpnEuee0.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>