ci: simplify adminfront runner flow and stabilize e2e auth state

adminfront/tests/user-management.spec.ts

@@ -23,14 +23,27 @@ type UserCreatePayload = {
   department?: string;
 };
 
+test.use({
+  storageState: {
+    cookies: [],
+    origins: [
+      {
+        origin: "http://localhost:5173",
+        localStorage: [
+          {
+            name: "admin_session",
+            value: "playwright-admin-session",
+          },
+        ],
+      },
+    ],
+  },
+});
+
 test("user create and delete flow", async ({ page }) => {
   const users: UserSummary[] = [];
   let idSeq = 1;
 
-  await page.addInitScript(() => {
-    window.localStorage.setItem("admin_session", "playwright-admin-session");
-  });
-
   await page.route("**/api/v1/admin/users**", async (route) => {
     const request = route.request();
     const url = new URL(request.url());