feat(HEL-571): 网站图标全部换成新太极Logo

Co-authored-by: multica-agent <github@multica.ai>

frontend/m/index.html

@@ -4,6 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
   <meta name="color-scheme" content="light dark">
+  <link rel="icon" href="/favicon.ico" sizes="any">
+  <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
+  <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
   <title>小白复盘</title>
   <link rel="stylesheet" href="css/tokens.css">
   <link rel="stylesheet" href="css/shell.css">
@@ -25,7 +29,7 @@
       })();
     </script>
     <div id="m-boot-splash" aria-hidden="true">
-      <span class="m-brand-mark">复</span>
+      <span class="m-brand-mark"><img src="/icon-192.png" alt=""></span>
     </div>
     <header id="m-header" class="m-header">
       <button id="m-back" class="m-header-btn" type="button" aria-label="返回" hidden>