Initial commit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

app/template/base/toast.html

@@ -0,0 +1,19 @@
+{{define "toast"}}
+<link rel="stylesheet" href="/static/css/toast.css?v=4">
+<div
+  class="site-toast"
+  id="site-toast"
+  data-toast
+  role="status"
+  aria-live="polite"
+  aria-atomic="true"
+  hidden
+>
+  <div class="site-toast__panel" data-toast-panel>
+    <img decoding="async" loading="lazy" class="site-toast__icon" data-toast-icon-success src="/static/images/placeholder.png?v=2" data-src="/static/images/check-circle.svg" alt="操作成功" hidden>
+    <img decoding="async" loading="lazy" class="site-toast__icon" data-toast-icon-error src="/static/images/placeholder.png?v=2" data-src="/static/images/error-tip.svg" alt="错误提示" hidden>
+    <p class="site-toast__text" data-toast-text></p>
+  </div>
+</div>
+<script defer src="/static/js/common/toast.js?v=2"></script>
+{{end}}