feat(stats): match theme icons to figma (#29893)

packages/stats/app/src/entry-server.tsx

@@ -1,6 +1,17 @@
 // @refresh reload
 import { createHandler, StartServer } from "@solidjs/start/server"
 
+const statsThemePreloadScript = `;(function () {
+  var preference = "system"
+  try {
+    var stored = localStorage.getItem("opencode:stats-theme")
+    if (stored === "dark" || stored === "light" || stored === "system") preference = stored
+  } catch (_) {}
+  document.documentElement.dataset.statsTheme = preference
+  if (preference === "system") document.documentElement.style.removeProperty("color-scheme")
+  else document.documentElement.style.setProperty("color-scheme", preference)
+})()`
+
 export default createHandler(
   () => (
     <StartServer
@@ -9,6 +20,7 @@ export default createHandler(
           <head>
             <meta charset="utf-8" />
             <meta name="viewport" content="width=device-width, initial-scale=1" />
+            <script id="stats-theme-preload-script">{statsThemePreloadScript}</script>
             {assets}
           </head>
           <body>