chore: Enable "experimentalSortImports" in Oxfmt and reformat all imorts.

src/commands/agents.identity.test.ts

@@ -1,9 +1,7 @@
 import fs from "node:fs/promises";
 import os from "node:os";
 import path from "node:path";
-
 import { beforeEach, describe, expect, it, vi } from "vitest";
-
 import type { RuntimeEnv } from "../runtime.js";
 
 const configMocks = vi.hoisted(() => ({