style: biome format AgentPanel.test.tsx imports

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/components/AgentPanel.test.tsx

@@ -1,6 +1,14 @@
 import { render, screen, waitFor } from "@testing-library/react";
 import userEvent from "@testing-library/user-event";
-import { afterEach, beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
+import {
+	afterEach,
+	beforeAll,
+	beforeEach,
+	describe,
+	expect,
+	it,
+	vi,
+} from "vitest";
 import type { AgentConfigInfo, AgentInfo } from "../api/agents";
 import { agentsApi } from "../api/agents";