it("initializes async Codex app-server extension factories in registration order", async () => {

const steps: string[] = [];

let releaseFirstFactory: () => void = () => {};

const firstFactoryCanContinue = new Promise<void>((resolve) => {

releaseFirstFactory = resolve;

});

const runner = createCodexAppServerToolResultExtensionRunner({}, [

async (codex) => {

await new Promise((resolve) => setTimeout(resolve, 10));

await firstFactoryCanContinue;

codex.on("tool_result", async ({ result }) => {

steps.push("first");

return {

},

]);

releaseFirstFactory();

await runner.applyToolResultExtensions({

threadId: "thread-1",

turnId: "turn-1",