feat(P25-2/P25-3/P26-2/P28-1/P24-2/P29-3): 落地内部OA够用版前端入口与运营页面

关联 Issue: P25-2, P25-3, P25-4, P26-2, P26-4, P28-1, P28-2, P28-3, P28-4, P24-2, P29-3

client/src/lib/recentVisits.ts

@@ -0,0 +1,30 @@
+export const RECENT_VISITS_STORAGE_KEY = "hyb_oa_recent_visits";
+
+export type RecentVisit = {
+  path: string;
+  title: string;
+  visitedAt: string;
+};
+
+function isWindowAvailable() {
+  return typeof window !== "undefined" && typeof window.localStorage !== "undefined";
+}
+
+export function readRecentVisits(): RecentVisit[] {
+  if (!isWindowAvailable()) return [];
+  try {
+    const raw = window.localStorage.getItem(RECENT_VISITS_STORAGE_KEY);
+    if (!raw) return [];
+    const parsed = JSON.parse(raw);
+    return Array.isArray(parsed) ? parsed.filter((item) => item && typeof item.path === "string") : [];
+  } catch {
+    return [];
+  }
+}
+
+export function writeRecentVisit(path: string, title: string) {
+  if (!isWindowAvailable()) return;
+  const current = readRecentVisits().filter((item) => item.path !== path);
+  current.unshift({ path, title, visitedAt: new Date().toISOString() });
+  window.localStorage.setItem(RECENT_VISITS_STORAGE_KEY, JSON.stringify(current.slice(0, 10)));
+}