feat(diagnostics): correlate staff operations errors and audit records

src/lib/foundation/request-context.test.ts

@@ -0,0 +1,27 @@
+import { expect, it } from "vitest";
+import {
+	createStore,
+	getOperationContext,
+	runWithStore,
+	setContextUserId,
+} from "./request-context";
+import type { IpAddress, UserId } from "./types";
+
+it("isolates operation IDs and users across concurrent asynchronous requests", async () => {
+	const first = createStore("test" as IpAddress),
+		second = createStore("test" as IpAddress);
+	expect(first.requestId).not.toBe(second.requestId);
+	await Promise.all(
+		[first, second].map((store, index) =>
+			runWithStore(store, async () => {
+				setContextUserId((index + 1) as UserId);
+				await new Promise((resolve) => setTimeout(resolve, 5 - index));
+				expect(getOperationContext()).toEqual({
+					operationId: store.requestId,
+					userId: index + 1,
+				});
+			}),
+		),
+	);
+	expect(getOperationContext()).toEqual({});
+});