feat: add portal home launcher, favorites UI, and WorkTab overflow eviction

Replace top-bar module navigation with a card home page, persist favorites via API, reopen favorite tabs on cold login, and enable portal multi-tabs with overflow-based eviction.

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/utils/navigation/preopen-favorites.ts

@@ -0,0 +1,80 @@
+import { HOME_PAGE_PATH, router } from '@/router'
+import { useMenuFavoriteStore } from '@/store/modules/menuFavorite'
+import { useWorktabStore } from '@/store/modules/worktab'
+import { useMenuStore } from '@/store/modules/menu'
+import { collectPortalHomeSections, findHomeCardByPath } from '@/utils/router/portal-home-cards'
+
+const PREOPEN_FLAG_KEY = 'portal-favorites-preopened-user'
+
+/**
+ * 冷登录：按收藏预开 Tab，当前仍停在首页。
+ * 同用户刷新且已有业务 Tab 时跳过（依赖 worktab 本地持久化）。
+ */
+/** @returns 是否执行了冷登录预开（调用方应落点首页） */
+export async function preopenFavoriteTabsIfNeeded(userId: string): Promise<boolean> {
+  if (!userId) return false
+
+  const home = HOME_PAGE_PATH || '/home'
+  const worktab = useWorktabStore()
+  const hasBusinessTabs = worktab.opened.some(
+    (t) => t.path && t.path !== home && !t.fixedTab
+  )
+  // 刷新恢复：已有业务 Tab 则不再按收藏重开
+  if (hasBusinessTabs) {
+    sessionStorage.setItem(PREOPEN_FLAG_KEY, userId)
+    return false
+  }
+  // 同会话已预开过（仅首页等）则跳过
+  if (sessionStorage.getItem(PREOPEN_FLAG_KEY) === userId) {
+    return false
+  }
+
+  const favStore = useMenuFavoriteStore()
+  await favStore.loadFavorites()
+  const menuStore = useMenuStore()
+  const sections = collectPortalHomeSections(menuStore.menuList || [])
+
+  worktab.openTab(
+    {
+      path: home,
+      title: '首页',
+      name: 'PortalHome',
+      fixedTab: true,
+      keepAlive: true
+    },
+    { activate: true }
+  )
+
+  for (const item of [...favStore.items]) {
+    const card = findHomeCardByPath(sections, item.path)
+    if (!card) {
+      try {
+        await favStore.removeFavorite(item.path)
+      } catch {
+        // 忽略清理失败，继续预开其余项
+      }
+      continue
+    }
+    const resolved = router.resolve(card.path)
+    if (!resolved.matched.length) {
+      continue
+    }
+    worktab.openTab(
+      {
+        path: card.path,
+        title: card.title,
+        name: String(resolved.name || ''),
+        fixedTab: false,
+        keepAlive: true
+      },
+      { activate: false }
+    )
+  }
+
+  sessionStorage.setItem(PREOPEN_FLAG_KEY, userId)
+  return true
+}
+
+export function clearFavoritePreopenFlag(): void {
+  sessionStorage.removeItem(PREOPEN_FLAG_KEY)
+}