feat: add all-accounts portfolio pages

Reuse account sections and group securities with per-account holdings.

Use Mantine Select to preserve filters and reset pagination on scope changes.

Document component reuse guardrails and cover routes, grouping and scope switching.

src/pages/account-events/ui/AccountEventsPage.tsx

@@ -5,13 +5,16 @@ import { AccountEventsPageError } from "./components/AccountEventsPageError.view
 import { AccountEventsPageLoaded } from "./components/AccountEventsPageLoaded.view";
 import { AccountEventsPageLoading } from "./components/AccountEventsPageLoading.view";
 
-const AccountEventsPage: FC = () => {
-	const viewModel = useAccountEventsPageViewModel();
+type AccountEventsPageProps = { accountId?: string };
+
+const AccountEventsPage: FC<AccountEventsPageProps> = (props) => {
+	const viewModel = useAccountEventsPageViewModel(props.accountId);
 	if (viewModel.state === "loading") return <AccountEventsPageLoading />;
 	if (viewModel.state === "error")
 		return <AccountEventsPageError retry={viewModel.retry} />;
-	if (viewModel.state === "empty") return <AccountEventsPageEmpty />;
-	return <AccountEventsPageLoaded events={viewModel.events} />;
+	if (viewModel.state === "empty")
+		return <AccountEventsPageEmpty {...viewModel} />;
+	return <AccountEventsPageLoaded {...viewModel} />;
 };
 
 export { AccountEventsPage };