feat: show persisted investment data and sync state

Consume the provided resource-envelope API snapshot. Preserve financial snapshots during
refresh, observe synchronization without importing, and fence late responses across
account and connection changes.

src/entities/brokerage-account/api/useBrokerageAccounts.test.tsx

@@ -3,6 +3,7 @@ import { HttpResponse, http } from "msw";
 import { describe, expect, it, vi } from "vitest";
 import { configureAuthClient } from "@/shared/api";
 import { createQueryWrapper } from "@/test/query";
+import { resource } from "@/test/resource";
 import { server } from "@/test/server";
 import { useBrokerageAccounts } from "./useBrokerageAccounts";
 
@@ -15,14 +16,16 @@ describe("useBrokerageAccounts", () => {
 		});
 		server.use(
 			http.get("*/api/v1/brokerage-accounts", () =>
-				HttpResponse.json([
-					{
-						id: "account-1",
-						name: "Основной",
-						type: "BROKERAGE",
-						openedOn: "2024-08-13",
-					},
-				]),
+				HttpResponse.json(
+					resource([
+						{
+							id: "account-1",
+							name: "Основной",
+							type: "BROKERAGE",
+							openedOn: "2024-08-13",
+						},
+					]),
+				),
 			),
 		);
 
@@ -52,14 +55,16 @@ describe("useBrokerageAccounts", () => {
 			http.get("*/api/v1/brokerage-accounts", () => {
 				calls += 1;
 				return calls === 1
-					? HttpResponse.json([
-							{
-								id: "account-1",
-								name: "Основной",
-								type: "BROKERAGE",
-								openedOn: "2024-08-13",
-							},
-						])
+					? HttpResponse.json(
+							resource([
+								{
+									id: "account-1",
+									name: "Основной",
+									type: "BROKERAGE",
+									openedOn: "2024-08-13",
+								},
+							]),
+						)
 					: HttpResponse.json({ code: "TBANK_UNAVAILABLE" }, { status: 503 });
 			}),
 		);