feat: add quiet reading with rare confirmations

Part of the quiet-user-feedback change; docs and specs land in their own repositories.

src/pages/bond/ui/BondPage/BondPage.test.tsx

@@ -352,11 +352,7 @@ describe("bond page", () => {
 	it("keeps market content and sold-position history when coupons fail", async () => {
 		setup({ failCoupons: true, noPosition: true });
 		await screen.findByText("98,125 %");
-		const message = await screen.findByText(/Не удалось загрузить этот раздел/);
-		expect(
-			// eslint-disable-next-line testing-library/no-node-access -- This assertion checks DOM structure, decoration or focus behavior that semantic queries cannot establish.
-			message.closest("[role=\"status\"]"),
-		).toHaveAttribute("aria-live", "polite");
+		expect(screen.queryByRole("button", { name: "Повторить" })).not.toBeInTheDocument();
 		expect(
 			screen.queryByRole("heading", { name: "Моя позиция" }),
 		).not.toBeInTheDocument();
@@ -364,38 +360,12 @@ describe("bond page", () => {
 			screen.getByRole("heading", { name: "Моя история событий" }),
 		).toBeVisible();
 	});
-	it("preserves cached quote on refresh failure", async () => {
-		const scopes: unknown[] = [];
-		server.use(
-			http.post("*/api/v1/tbank-sync", async ({ request }) => {
-				scopes.push(await request.json());
-
-				return HttpResponse.json(
-					{ code: "TBANK_UNAVAILABLE" },
-					{ status: 503 },
-				);
-			}),
-		);
+	it("preserves cached quote without manual refresh", async () => {
 		const controls = setup({ path: `/bonds/${uid}?period=year&events=trades` });
 		await screen.findByText("98,125 %");
 		controls.failQuote();
-		fireEvent.click(screen.getByRole("button", { name: "Обновить" }));
-		const message = await screen.findByText(/последние полученные/);
-		expect(
-			// eslint-disable-next-line testing-library/no-node-access -- This assertion checks DOM structure, decoration or focus behavior that semantic queries cannot establish.
-			message.closest("[role=\"status\"]"),
-		).toHaveAttribute("aria-live", "polite");
 		expect(screen.getByText("98,125 %")).toBeVisible();
-		expect(scopes).toEqual([
-			{
-				accountId: "all",
-				candlePeriod: "year",
-				categories: ["trade"],
-				instrumentUid: uid,
-				limit: 20,
-				screen: "bond",
-			},
-		]);
+		expect(screen.queryByRole("button", { name: "Обновить" })).not.toBeInTheDocument();
 	});
 	it("offers search for an ambiguous or missing instrument without loading personal data", async () => {
 		const { requests } = setup({ ambiguousTicker: true, path: "/bonds/SAME" });