ci: harden cross-os release harness on Windows

.github/workflows/openclaw-cross-os-release-checks-reusable.yml

@@ -286,7 +286,7 @@ jobs:
         env:
           OUTPUT_DIR: ${{ runner.temp }}/openclaw-cross-os-release-checks/prepare
         run: |
-          pnpm dlx "tsx@${TSX_VERSION}" workflow/scripts/openclaw-cross-os-release-checks.ts \
+          bash workflow/scripts/github/run-openclaw-cross-os-release-checks.sh \
             --prepare-only \
             --source-dir source \
             --output-dir "${OUTPUT_DIR}"
@@ -370,7 +370,7 @@ jobs:
           VAR_WINDOWS_RUNNER: ${{ vars.OPENCLAW_RELEASE_CHECKS_WINDOWS_RUNNER }}
           VAR_MACOS_RUNNER: ${{ vars.OPENCLAW_RELEASE_CHECKS_MACOS_RUNNER }}
         run: |
-          MATRIX_JSON="$(pnpm dlx "tsx@${TSX_VERSION}" workflow/scripts/openclaw-cross-os-release-checks.ts \
+          MATRIX_JSON="$(bash workflow/scripts/github/run-openclaw-cross-os-release-checks.sh \
             --resolve-matrix \
             --ref "${INPUT_REF}" \
             --mode "${INPUT_MODE}" \
@@ -448,7 +448,7 @@ jobs:
           if [[ -n "${OPENCLAW_DISCORD_SMOKE_BOT_TOKEN}" ]] && [[ -n "${OPENCLAW_DISCORD_SMOKE_GUILD_ID}" ]] && [[ -n "${OPENCLAW_DISCORD_SMOKE_CHANNEL_ID}" ]]; then
             DISCORD_ARGS+=(--run-discord-roundtrip true)
           fi
-          pnpm dlx "tsx@${TSX_VERSION}" workflow/scripts/openclaw-cross-os-release-checks.ts \
+          bash workflow/scripts/github/run-openclaw-cross-os-release-checks.sh \
             --candidate-tgz "${CANDIDATE_TGZ}" \
             --candidate-version "${CANDIDATE_VERSION}" \
             --source-sha "${SOURCE_SHA}" \

scripts/github/run-openclaw-cross-os-release-checks.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+tsx_version="${OPENCLAW_RELEASE_TSX_VERSION:-${TSX_VERSION:-4.21.0}}"
+script_path="${OPENCLAW_RELEASE_CHECKS_SCRIPT:-workflow/scripts/openclaw-cross-os-release-checks.ts}"
+
+temp_root="${OPENCLAW_RELEASE_TSX_TOOL_ROOT:-${RUNNER_TEMP:-${TMPDIR:-/tmp}}}"
+if command -v cygpath >/dev/null 2>&1; then
+  temp_root="$(cygpath -u "${temp_root}")"
+fi
+
+tool_dir="${OPENCLAW_RELEASE_TSX_TOOL_DIR:-${temp_root}/openclaw-release-tsx-${tsx_version}}"
+loader_path="${tool_dir}/node_modules/tsx/dist/loader.mjs"
+
+if [[ ! -f "${loader_path}" ]]; then
+  mkdir -p "${tool_dir}"
+  npm install --prefix "${tool_dir}" --no-save --no-package-lock "tsx@${tsx_version}" >/dev/null
+fi
+
+loader_url="$(
+  node -e '
+    const { resolve } = require("node:path");
+    const { pathToFileURL } = require("node:url");
+    process.stdout.write(pathToFileURL(resolve(process.argv[1])).href);
+  ' "${loader_path}"
+)"
+
+exec node --import "${loader_url}" "${script_path}" "$@"

test/scripts/openclaw-cross-os-release-workflow.test.ts

@@ -0,0 +1,14 @@
+import { readFileSync } from "node:fs";
+import { describe, expect, it } from "vitest";
+
+const WORKFLOW_PATH = ".github/workflows/openclaw-cross-os-release-checks-reusable.yml";
+const HARNESS = "bash workflow/scripts/github/run-openclaw-cross-os-release-checks.sh";
+
+describe("cross-OS release checks workflow", () => {
+  it("runs the TypeScript release harness through the Windows-safe wrapper", () => {
+    const workflow = readFileSync(WORKFLOW_PATH, "utf8");
+
+    expect(workflow).toContain(HARNESS);
+    expect(workflow).not.toContain('pnpm dlx "tsx@${TSX_VERSION}"');
+  });
+});