feat(ui): 全局弹窗替代原生 alert/confirm，添加防重复提交与搜索功能

- 新增 ConfirmModal / ResultModal 全局组件，替代原生 alert/confirm/prompt
- 资产/平台/账号保存添加防重复提交锁（assetSaving / providerSaving）
- 添加 Esc 键盘快捷键关闭模态框
- 平台/监控视图添加搜索过滤功能
- 修复监控中心 SSL TAB 下新增按钮的显示逻辑
- 调整 toast 位置避免遮挡底部导航
- 统一各弹窗 z-index 层级

static/js/store.js

@@ -48,8 +48,14 @@ const store = reactive({
   dark: localStorage.getItem('vps_dark') === '1',
   loading: false,
   error: '',
+  // 全局确认弹窗
+  confirmModal: { show: false, title: '', message: '', danger: false, resolve: null },
+  // 全局结果弹窗（替代 alert）
+  resultModal: { show: false, title: '', message: '', isError: false },
   assetModal: { show: false, editing: null, form: null },
+  assetSaving: false, // 资产保存中锁，防止双击/重复提交
   providerModal: { show: false, editing: null, form: null },
+  providerSaving: false, // 平台保存中锁
   accountModal: { show: false, editing: null, form: null },
   accountSaving: false, // 账号保存中锁，防止双击/重复提交触发后端 400 重名
   accountsModal: { show: false, providerSlug: null }, // 账号查看弹窗：providerSlug 为 null 时看全部
@@ -145,6 +151,16 @@ async function loadCredentials() {
   if (store.vaultSearch) params.set('q', store.vaultSearch);
   if (store.vaultOtpOnly) params.set('has_otp', 'true');
   store.credentials = await Api.get('/credentials?' + params.toString());
+  // 前端补充 URL 匹配：后端搜索可能不覆盖 url 字段
+  if (store.vaultSearch) {
+    const kw = store.vaultSearch.trim().toLowerCase();
+    store.credentials = store.credentials.filter(c =>
+      (c.site || '').toLowerCase().includes(kw) ||
+      (c.username || '').toLowerCase().includes(kw) ||
+      (c.note || '').toLowerCase().includes(kw) ||
+      (c.url || '').toLowerCase().includes(kw)
+    );
+  }
   syncOauthCustom();
 }
 async function loadSubdomains() { store.subdomains = await Api.get('/subdomains'); }
@@ -184,7 +200,9 @@ function openAssetEdit(a) {
   store.assetModal = { show: true, editing: a.id, form };
 }
 async function saveAsset() {
+  if (store.assetSaving) return;
   store.error = '';
+  store.assetSaving = true;
   const f = store.assetModal.form;
   try {
     const payload = buildAssetPayload(f);
@@ -193,9 +211,10 @@ async function saveAsset() {
     store.assetModal.show = false;
     await loadAll();
   } catch (e) { store.error = e.message; }
+  finally { store.assetSaving = false; }
 }
 async function deleteAsset(a) {
-  if (!confirm('确认删除资产「' + a.name + '」？此操作不可恢复。')) return;
+  if (!await showConfirm('删除资产', '确认删除资产「' + a.name + '」？此操作不可恢复。', true)) return;
   store.error = '';
   try { await Api.del('/assets/' + a.id); await loadAll(); }
   catch (e) { store.error = e.message; }
@@ -209,7 +228,9 @@ function openProviderEdit(p) {
   store.providerModal = { show: true, editing: p.id, form: { slug: p.slug, name: p.name, name_en: p.name_en || '', category: p.category, services: p.services || '', website: p.website || '', console_url: p.console_url || '', sdk_type: p.sdk_type || '', enabled: p.enabled, remark: p.remark || '' } };
 }
 async function saveProvider() {
+  if (store.providerSaving) return;
   store.error = '';
+  store.providerSaving = true;
   const f = store.providerModal.form;
   // 凭证已下沉到账号层，平台不再携带 api_config
   const payload = { slug: f.slug, name: f.name, name_en: f.name_en || null, category: f.category, services: f.services || null, website: f.website || null, console_url: f.console_url || null, sdk_type: f.sdk_type || null, enabled: !!f.enabled, remark: f.remark || null };
@@ -219,14 +240,15 @@ async function saveProvider() {
     store.providerModal.show = false;
     await loadProviders();
   } catch (e) { store.error = e.message; }
+  finally { store.providerSaving = false; }
 }
 async function seedProviders() {
   store.error = '';
-  try { const r = await Api.post('/providers/seed', {}); await loadProviders(); alert('已初始化预设平台，新增 ' + r.added + ' 个'); }
+  try { const r = await Api.post('/providers/seed', {}); await loadProviders(); showResult('初始化完成', '已初始化预设平台，新增 ' + r.added + ' 个'); }
   catch (e) { store.error = e.message; }
 }
 async function deleteProvider(p) {
-  if (!confirm('确认删除平台「' + p.name + '」？')) return;
+  if (!await showConfirm('删除平台', '确认删除平台「' + p.name + '」？', true)) return;
   try { await Api.del('/providers/' + p.id); await loadProviders(); }
   catch (e) { store.error = e.message; }
 }
@@ -266,7 +288,7 @@ async function saveAccount() {
 async function deleteAccount(a) {
   let msg = '确认删除账号「' + a.name + '」？';
   if (a.asset_count) msg += '\n有 ' + a.asset_count + ' 个资产引用该账号（资产中已填的账号名不受影响）。';
-  if (!confirm(msg)) return;
+  if (!await showConfirm('删除账号', msg, true)) return;
   store.error = '';
   try { await Api.del('/accounts/' + a.id); await loadAccounts(); }
   catch (e) { store.error = e.message; }
@@ -367,7 +389,7 @@ async function saveCredential() {
 }
 async function deleteCredential(c) {
   const label = c.site + (c.username ? ' · ' + c.username : '');
-  if (!confirm('确认删除凭据「' + label + '」？此操作不可恢复。')) return;
+  if (!await showConfirm('删除凭据', '确认删除凭据「' + label + '」？此操作不可恢复。', true)) return;
   store.error = '';
   try {
     await Api.del('/credentials/' + c.id);
@@ -375,7 +397,7 @@ async function deleteCredential(c) {
   } catch (e) { store.error = e.message; }
 }
 async function unbindCredentialOtp(c) {
-  if (!confirm('确认解绑「' + c.site + '」的 2FA？解绑后需重新录入 secret。')) return;
+  if (!await showConfirm('解绑 2FA', '确认解绑「' + c.site + '」的 2FA？解绑后需重新录入 secret。', true)) return;
   store.error = '';
   try { await Api.del('/credentials/' + c.id + '/otp'); await loadCredentials(); }
   catch (e) { store.error = e.message; }
@@ -401,6 +423,26 @@ function showToast(text) {
   if (toast._timer) clearTimeout(toast._timer);
   toast._timer = setTimeout(() => { toast.show = false; }, 1600);
 }
+
+/* ---------------- 全局确认弹窗（替代原生 confirm） ---------------- */
+function showConfirm(title, message, danger = false) {
+  return new Promise((resolve) => {
+    store.confirmModal = { show: true, title, message, danger, resolve };
+  });
+}
+function closeConfirm(result) {
+  store.confirmModal.show = false;
+  if (store.confirmModal.resolve) store.confirmModal.resolve(result);
+  store.confirmModal.resolve = null;
+}
+
+/* ---------------- 全局结果弹窗（替代原生 alert） ---------------- */
+function showResult(title, message, isError = false) {
+  store.resultModal = { show: true, title, message, isError };
+}
+function closeResult() {
+  store.resultModal.show = false;
+}
 function copyText(text, label) {
   const done = () => showToast('✓ ' + (label || '内容') + '已复制');
   if (navigator.clipboard && navigator.clipboard.writeText) {
@@ -689,7 +731,7 @@ async function saveDnsRecord() {
 }
 async function deleteDnsRecord(r) {
   // 删解析会立刻影响线上访问，必须二次确认而不是直接删
-  if (!window.confirm('确认删除解析记录？\n\n' + r.name + '  ' + r.type + '  ' + r.content + '\n\n删除后该记录立即失效，可能中断线上访问。')) return;
+  if (!await showConfirm('删除解析记录', '确认删除解析记录？\n\n' + r.name + '  ' + r.type + '  ' + r.content + '\n\n删除后该记录立即失效，可能中断线上访问。', true)) return;
   if (dnsModal.busy) return;
   dnsModal.busy = true; dnsModal.error = '';
   try {