feat(hk): expand search and add operational user overview

src/lib/admin-search-request.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from "vitest";
+import { AdminSearchRequest } from "./admin-search-request";
+
+describe("admin search request ownership", () => {
+	it("rejects a late response after the input changes, even before the next debounce fires", async () => {
+		const requests = new AdminSearchRequest();
+		const first = requests.start();
+		const late = Promise.resolve().then(() => requests.accepts(first));
+		requests.cancel();
+		expect(await late).toBe(false);
+		expect(first.signal.aborted).toBe(true);
+	});
+	it("accepts only the newest request and rejects completion after closing", () => {
+		const requests = new AdminSearchRequest();
+		const first = requests.start();
+		const second = requests.start();
+		expect(requests.accepts(first)).toBe(false);
+		expect(requests.accepts(second)).toBe(true);
+		requests.cancel();
+		expect(requests.accepts(second)).toBe(false);
+	});
+});