chore: add favicon and harden release workflow

web/index.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta name="theme-color" content="#faf8f5" />
     <meta name="description" content="MediaStationGo — 个人家庭媒体中心" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
     <link

web/public/favicon.svg

@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-label="MediaStationGo">
+  <defs>
+    <linearGradient id="bg" x1="10" y1="6" x2="54" y2="58" gradientUnits="userSpaceOnUse">
+      <stop offset="0" stop-color="#7c3aed"/>
+      <stop offset="0.48" stop-color="#2563eb"/>
+      <stop offset="1" stop-color="#06b6d4"/>
+    </linearGradient>
+    <linearGradient id="play" x1="23" y1="18" x2="45" y2="46" gradientUnits="userSpaceOnUse">
+      <stop offset="0" stop-color="#fff7ed"/>
+      <stop offset="1" stop-color="#ffffff"/>
+    </linearGradient>
+  </defs>
+  <rect width="64" height="64" rx="18" fill="url(#bg)"/>
+  <path d="M18 21.5A7.5 7.5 0 0 1 25.5 14h13A7.5 7.5 0 0 1 46 21.5v21A7.5 7.5 0 0 1 38.5 50h-13A7.5 7.5 0 0 1 18 42.5v-21Z" fill="#0f172a" opacity=".22"/>
+  <path d="M22 22.9c0-3.05 3.32-4.95 5.96-3.42l17.08 9.86c2.64 1.52 2.64 5.34 0 6.86L27.96 46.06C25.32 47.58 22 45.68 22 42.63V22.9Z" fill="url(#play)"/>
+  <path d="M13 18h6M13 28h6M13 38h6M45 18h6M45 28h6M45 38h6" stroke="#ffffff" stroke-width="3" stroke-linecap="round" opacity=".72"/>
+</svg>