import { assert, describe, it } from "@effect/vitest";import * as Effect from "effect/Effect";import * as PlatformError from "effect/PlatformError";import { ChildProcessSpawner } from "effect/unstable/process"; import * as CodexError from "../errors.ts";import { makeTerminationError } from "./stdio.ts"; describe("Codex App Server child process termination", () => {  it.effect("retains the process identifier with the exit code", () =>    Effect.gen(function* () {      const error = yield* makeTerminationError({        pid: ChildProcessSpawner.ProcessId(51),        exitCode: Effect.succeed(ChildProcessSpawner.ExitCode(9)),      });       assert.instanceOf(error, CodexError.CodexAppServerProcessExitedError);      assert.equal(error.pid, 51);      assert.equal(error.code, 9);      assert.equal(error.message, "Codex App Server process exited with code 9");    }),  );   it.effect("retains the process identifier and exact exit-status cause", () =>    Effect.gen(function* () {      const rootCause = new Error("private process diagnostics");      const cause = PlatformError.systemError({        _tag: "Unknown",        module: "ChildProcess",        method: "exitCode",        cause: rootCause,      });      const error = yield* makeTerminationError({        pid: ChildProcessSpawner.ProcessId(52),        exitCode: Effect.fail(cause),      });       assert.instanceOf(error, CodexError.CodexAppServerTransportError);      assert.equal(error.pid, 52);      assert.strictEqual(error.cause, cause);      assert.equal(        error.message,        "Codex App Server transport operation 'read-process-exit-status' failed.",      );      assert.notInclude(error.message, rootCause.message);    }),  );});