feat(hk): connect delivery failures to precise diagnostic records

src/features/operations/worker.test.ts

@@ -49,8 +49,9 @@ it("invalidates the shared news cache before acknowledging delivery", async () =
 	expect(mocks.fail).not.toHaveBeenCalled();
 });
 it("keeps a failed news invalidation retryable", async () => {
-	mocks.news.mockRejectedValue(new Error("Redis unavailable"));
+	const error = new Error("Redis unavailable");
+	mocks.news.mockRejectedValue(error);
 	await drainOperationEffects();
-	expect(mocks.fail).toHaveBeenCalledWith(effect);
+	expect(mocks.fail).toHaveBeenCalledWith(effect, error);
 	expect(mocks.complete).not.toHaveBeenCalled();
 });