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/pages/account/ui/AccountPage/components/AccountPageLoaded.view.tsx

@@ -23,9 +23,11 @@ import { RecentOperations } from "./RecentOperations.view";
 type AccountPageLoadedProps = {
 	account?: BrokerageAccount;
 	accountId?: string;
+	partial?: boolean;
 	portfolio: Portfolio;
 	positionSections: AccountPagePositionSection[];
 	refreshing?: boolean;
+	sourceError?: boolean;
 	refreshError?: boolean;
 	retry?: () => void;
 	recentOperations: AccountPageRecentOperations;
@@ -40,6 +42,7 @@ const AccountPageLoaded: FC<AccountPageLoadedProps> = (props) => {
 			<AccountHeading account={props.account} accountId={props.accountId} />
 			<PortfolioRefreshState
 				refreshing={props.refreshing ?? false}
+				sourceError={props.sourceError}
 				refreshError={props.refreshError ?? false}
 				retry={props.retry}
 			/>
@@ -56,11 +59,17 @@ const AccountPageLoaded: FC<AccountPageLoadedProps> = (props) => {
 					},
 				)}
 			</Text>
-			<CurrencyCards amounts={props.portfolio.totalsByCurrency} />
-			<PortfolioStructure
-				key={props.accountId}
-				structure={props.portfolio.structure}
-			/>
+			{props.partial ? (
+				<Alert role="status">{t("investment.partial")}</Alert>
+			) : (
+				<CurrencyCards amounts={props.portfolio.totalsByCurrency} />
+			)}
+			{!props.partial ? (
+				<PortfolioStructure
+					key={props.accountId}
+					structure={props.portfolio.structure}
+				/>
+			) : null}
 			<Accordion
 				multiple
 				defaultValue={[