fix(test): use direct Node launcher on macOS

scripts/verify-package-environment.d.mts

@@ -0,0 +1,26 @@
+export interface PackageHopperEnvironment {
+  readonly HOPPER_LAUNCHER_PATH: string;
+  readonly HOPPER_LOADER_ARGS_JSON: string;
+}
+
+export function packageHopperEnvironment(
+  root: string,
+  platform?: string,
+): PackageHopperEnvironment;
+
+export function verifyPackageEnvironment(input: {
+  readonly root: string;
+  readonly workspace: string;
+  readonly evidenceRoot: string;
+  readonly referenceRoot: string;
+}): Promise<{
+  readonly prefix: string;
+  readonly home: string;
+  readonly npxLog: string;
+  readonly claudeConfig: string;
+  readonly codexConfig: string;
+  readonly codexTarget: string;
+  readonly cursorConfig: string;
+  readonly cursorTarget: string;
+  readonly environment: Readonly<Record<string, string | undefined>>;
+}>;

scripts/verify-package-environment.mjs

@@ -92,9 +92,9 @@ export async function verifyPackageEnvironment({
   };
 }
 
-const packageHopperEnvironment = (root) => {
+export const packageHopperEnvironment = (root, platform = process.platform) => {
   const fakeLauncher = join(root, "tests/fixtures/fakeLauncher.mjs");
-  if (process.platform === "win32")
+  if (platform !== "linux")
     return {
       HOPPER_LAUNCHER_PATH: process.execPath,
       HOPPER_LOADER_ARGS_JSON: JSON.stringify([fakeLauncher]),

tests/packageInstallWorkflow.test.ts

@@ -1,5 +1,6 @@
 import { readFile } from "node:fs/promises";
 import { describe, expect, it } from "vitest";
+import { packageHopperEnvironment } from "../scripts/verify-package-environment.mjs";
 
 describe("package installation workflows", () => {
   it("runs package E2E without the retired native rebuild script", async () => {
@@ -77,4 +78,27 @@ describe("package installation workflows", () => {
     expect(canary).toContain('mkdtemp(join(tmpdir(), "rea-published-canary-")');
     expect(canary).toContain("cwd: canaryRoot");
   });
+
+  it("uses direct Node ownership on macOS and Windows", () => {
+    const root = "/tmp/rea-package";
+    const expected = {
+      HOPPER_LAUNCHER_PATH: process.execPath,
+      HOPPER_LOADER_ARGS_JSON: JSON.stringify([
+        `${root}/tests/fixtures/fakeLauncher.mjs`,
+      ]),
+    };
+
+    expect(packageHopperEnvironment(root, "darwin")).toEqual(expected);
+    expect(packageHopperEnvironment(root, "win32")).toEqual(expected);
+    expect(packageHopperEnvironment(root, "linux")).toEqual({
+      HOPPER_LAUNCHER_PATH: "/bin/sh",
+      HOPPER_LOADER_ARGS_JSON: JSON.stringify([
+        "-c",
+        'node_path=$1; shift; "$node_path" "$@"',
+        "rea-package-hopper",
+        process.execPath,
+        `${root}/tests/fixtures/fakeLauncher.mjs`,
+      ]),
+    });
+  });
 });