chore: We have a sleep at home. The sleep at home:

src/agents/claude-cli-runner.test.ts

@@ -1,4 +1,5 @@
 import { beforeEach, describe, expect, it, vi } from "vitest";
+import { sleep } from "../utils.js";
 import { runClaudeCliAgent } from "./claude-cli-runner.js";
 
 const runCommandWithTimeoutMock = vi.fn();
@@ -22,7 +23,7 @@ async function waitForCalls(mockFn: { mock: { calls: unknown[][] } }, count: num
     if (mockFn.mock.calls.length >= count) {
       return;
     }
-    await new Promise((resolve) => setTimeout(resolve, 0));
+    await sleep(0);
   }
   throw new Error(`Expected ${count} calls, got ${mockFn.mock.calls.length}`);
 }