feat(web): 前端逻辑骨架——http/router/stores/queries 与薄壳路由

apps/web/src/stores/admin-session.ts

@@ -0,0 +1,22 @@
+import { defineStore } from "pinia";
+
+/**
+ * 管理面登录态（客户端镜像）。
+ * 服务端事实以 GET /api/admin/session 为准——刷新后由 queries/session 恢复。
+ */
+export const useAdminSessionStore = defineStore("admin-session", {
+  state: () => ({
+    username: "" as string,
+  }),
+  getters: {
+    isLoggedIn: (s) => s.username.length > 0,
+  },
+  actions: {
+    signIn(username: string) {
+      this.username = username;
+    },
+    signOut() {
+      this.username = "";
+    },
+  },
+});