release: prepare Hulumath v1.2.0

backend/static/js/app.js

@@ -148,6 +148,16 @@ function showToast(message) {
   window.setTimeout(() => toast.classList.remove("show"), 2600);
 }
 
+async function copyWechatName() {
+  const name = $("#wechat-copy").dataset.wechatName;
+  try {
+    await navigator.clipboard.writeText(name);
+    showToast(`已复制公众号名称：${name}`);
+  } catch {
+    showToast(`请在微信内搜索：${name}`);
+  }
+}
+
 function navigate(view) {
   $$(".nav-item").forEach((button) => button.classList.toggle("active", button.dataset.view === view));
   $$(".view").forEach((section) => section.classList.toggle("active", section.id === `view-${view}`));
@@ -1273,6 +1283,7 @@ function bindUI() {
   $$("[data-jump]").forEach((button) => button.addEventListener("click", () => navigate(button.dataset.jump)));
   $$("[data-open-auth]").forEach((button) => button.addEventListener("click", openAuth));
   $("#start-mathbti").addEventListener("click", startMathBTI);
+  $("#wechat-copy").addEventListener("click", copyWechatName);
   $("#story-experience-close").addEventListener("click", closeStoryExperience);
   $("#save-formula").addEventListener("click", saveFormula);
   $("#latex-source").addEventListener("input", (event) => { renderLatexPreview(event.target.value); });