fix(news): persist publication requests and retry cache delivery

src/lib/services/news-cache.test.ts

@@ -18,7 +18,11 @@ vi.mock("@/lib/cache", () => ({
 	},
 }));
 
-import { cacheNews, invalidateNewsCache } from "./news-cache";
+import {
+	cacheNews,
+	invalidateNewsCache,
+	refreshNewsCacheForDelivery,
+} from "./news-cache";
 
 beforeEach(() => {
 	state.values.clear();
@@ -65,3 +69,12 @@ it("reads fresh data when Redis is unavailable", async () => {
 		"fresh",
 	]);
 });
+
+it("keeps failed durable cache invalidations retryable", async () => {
+	state.set.mockRejectedValue(Error("offline"));
+	await expect(refreshNewsCacheForDelivery()).rejects.toThrow("offline");
+});
+it("does not acknowledge an ended Redis connection as refreshed", async () => {
+	state.status = "end";
+	await expect(refreshNewsCacheForDelivery()).rejects.toThrow();
+});