feat(admin): show group schedule status

apps/web/src/lib/group-schedule.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect, it } from "vitest";
 import {
   evaluateGroupSchedule,
+  groupScheduleStatus,
   localWindowToUtc,
   parseScheduleWindows,
   utcWindowToLocal,
@@ -13,6 +14,12 @@ const fridayEvening: WeeklyAccessWindow = {
 };
 
 describe("weekly group access schedules", () => {
+  it("summarizes whether a group has configured windows", () => {
+    expect(groupScheduleStatus(0)).toBe("Unrestricted");
+    expect(groupScheduleStatus(1)).toBe("1 window");
+    expect(groupScheduleStatus(3)).toBe("3 windows");
+  });
+
   it("allows an enabled group at any time when no schedule is configured", () => {
     expect(evaluateGroupSchedule([], new Date("2026-08-07T19:00:00Z"))).toEqual({
       allowed: true,