chore: complete stage 19 regression hardening

static/app.js

@@ -204,6 +204,14 @@ const elements = {
   stockPreviewChart: document.querySelector("#stockPreviewChart"),
 };
 
+function openModalDialog(dialog) {
+  if (!(dialog instanceof HTMLDialogElement)) return;
+  document.querySelectorAll("dialog[open]").forEach((openDialog) => {
+    if (openDialog !== dialog) openDialog.close();
+  });
+  if (!dialog.open) dialog.showModal();
+}
+
 const metricAnimationFrames = new WeakMap();
 const stockPreviewCache = new Map();
 const STOCK_PREVIEW_DELAY = 380;
@@ -3076,7 +3084,7 @@ function openWatchlistDialog(item = null) {
   document.querySelector("#watchlistSearchInput").value = "";
   document.querySelector("#watchlistSearchResults").innerHTML = "";
   syncWatchlistSelection(Boolean(item));
-  if (!elements.watchlistDialog.open) elements.watchlistDialog.showModal();
+  openModalDialog(elements.watchlistDialog);
   requestAnimationFrame(() => (item ? document.querySelector("#watchlistRemark") : document.querySelector("#watchlistSearchInput")).focus());
 }
 
@@ -3240,7 +3248,7 @@ function populateJournalForm() {
 
 function openTradeLogDialog() {
   resetTradeLogForm();
-  if (!elements.tradeLogDialog.open) elements.tradeLogDialog.showModal();
+  openModalDialog(elements.tradeLogDialog);
   requestAnimationFrame(() => document.querySelector("#tradeLogCode").focus());
 }
 
@@ -3311,7 +3319,7 @@ function editTradeLog(id) {
   document.querySelector("#tradeLogExecution").value = item.execution || "";
   setText("tradeLogDialogTitle", "编辑交易日志");
   setText("saveTradeLog", "保存修改");
-  if (!elements.tradeLogDialog.open) elements.tradeLogDialog.showModal();
+  openModalDialog(elements.tradeLogDialog);
   requestAnimationFrame(() => document.querySelector("#tradeLogCode").focus());
 }
 
@@ -4067,7 +4075,7 @@ function renderScreenerProgress() {
 
 function openStrategyDrawer(target = "editor") {
   const drawer = document.querySelector("#strategyDrawer");
-  if (!drawer.open) drawer.showModal();
+  openModalDialog(drawer);
   requestAnimationFrame(() => {
     const focusTarget = target === "library"
       ? document.querySelector("#strategyList .strategy-item.active") || document.querySelector("#strategyList .strategy-item")
@@ -5889,7 +5897,7 @@ function openHeavenReading(mode, options = {}) {
     ? Boolean(options.loading)
     : false;
   renderHeavenReadingDialog();
-  if (!elements.heavenReadingDialog.open) elements.heavenReadingDialog.showModal();
+  openModalDialog(elements.heavenReadingDialog);
   requestAnimationFrame(() => {
     syncHeavenReadingAnimation();
     document.querySelector("#closeHeavenReadingDialog").focus();
@@ -5901,7 +5909,7 @@ async function openHeavenHistory(mode) {
   state.heavenReadingTab = "history";
   state.heavenReadingSelectedId = 0;
   renderHeavenReadingDialog();
-  if (!elements.heavenReadingDialog.open) elements.heavenReadingDialog.showModal();
+  openModalDialog(elements.heavenReadingDialog);
   await loadHeavenReadingHistory(mode);
 }
 
@@ -7570,7 +7578,7 @@ async function loadAlerts(openDialog = false) {
     state.alerts = payload.items || [];
     state.alertUnreadCount = number(payload.unread_count);
     renderAlerts();
-    if (openDialog && !elements.alertsDialog.open) elements.alertsDialog.showModal();
+    if (openDialog) openModalDialog(elements.alertsDialog);
   } catch (error) {
     if (openDialog) showToast(error.message || "提醒加载失败");
   }
@@ -7580,7 +7588,7 @@ function openAlerts() {
   toggleHeaderCommandMenu(false);
   toggleAccountDropdown(false);
   document.querySelector("#alertDate").value ||= todayString();
-  elements.alertsDialog.showModal();
+  openModalDialog(elements.alertsDialog);
   loadAlerts();
 }
 
@@ -7688,7 +7696,7 @@ function renderAlerts() {
 async function openReviewAssistant() {
   toggleHeaderCommandMenu(false);
   toggleAccountDropdown(false);
-  if (!elements.assistantDialog.open) elements.assistantDialog.showModal();
+  openModalDialog(elements.assistantDialog);
   updateAssistantControls();
   if (!hasMemberAccess()) {
     document.querySelector("#closeAssistantDialog").focus();
@@ -7841,7 +7849,7 @@ function updateAssistantControls() {
 function openGlobalSearch() {
   if (!state.user) return;
   toggleHeaderCommandMenu(false);
-  if (!elements.globalSearchDialog.open) elements.globalSearchDialog.showModal();
+  openModalDialog(elements.globalSearchDialog);
   requestAnimationFrame(() => {
     elements.globalSearchInput.focus();
     elements.globalSearchInput.select();
@@ -7984,7 +7992,7 @@ async function openEntityDetail(item) {
   setText("entityDetailDate", "正在加载行情");
   document.querySelector("#entityDetailChange").className = "";
   document.querySelector("#entityDetailMetrics").innerHTML = '<div class="empty-state">正在加载交易数据</div>';
-  if (!elements.entityDetailDialog.open) elements.entityDetailDialog.showModal();
+  openModalDialog(elements.entityDetailDialog);
   clearEntityDetailChart("正在加载日 K 数据");
   try {
     const params = new URLSearchParams({ type: item.type, id: item.id, trade_date: elements.tradeDate.value });
@@ -8209,7 +8217,7 @@ async function openStock(code, fallback = null) {
   document.querySelector("#stockNotePlan").value = "";
   document.querySelector("#stockNotes").innerHTML = '<div class="empty-state">正在加载笔记</div>';
   updateWatchButton();
-  if (!elements.stockDialog.open) elements.stockDialog.showModal();
+  openModalDialog(elements.stockDialog);
   clearPriceChart("正在加载日 K 数据");
   try {
     const query = new URLSearchParams({ trade_date: elements.tradeDate.value });
@@ -8508,7 +8516,7 @@ async function openSettings(panel = "profile") {
   const status = document.querySelector("#connectionStatus");
   status.className = "connection-status";
   status.textContent = "正在读取账号状态";
-  if (!elements.settingsDialog.open) elements.settingsDialog.showModal();
+  openModalDialog(elements.settingsDialog);
   try {
     const payload = await apiRequest("/api/account/status");
     const access = payload.llm_access || {};
@@ -8587,7 +8595,7 @@ async function switchAccount() {
 
 async function openAdminSettings(refreshOnly = false) {
   if (state.user?.role !== "admin") return;
-  if (!refreshOnly && !elements.adminDialog.open) elements.adminDialog.showModal();
+  if (!refreshOnly) openModalDialog(elements.adminDialog);
   const status = document.querySelector("#adminConnectionStatus");
   status.textContent = "正在读取系统状态";
   try {