build: exclude private QA from npm package

src/cli/program/private-qa-cli.ts

@@ -0,0 +1,8 @@
+export function isPrivateQaCliEnabled(env: NodeJS.ProcessEnv = process.env): boolean {
+  return env.OPENCLAW_ENABLE_PRIVATE_QA_CLI === "1";
+}
+
+export function loadPrivateQaCliModule(): Promise<Record<string, unknown>> {
+  const specifier = ["../../plugin-sdk/", "qa", "-lab.js"].join("");
+  return import(specifier) as Promise<Record<string, unknown>>;
+}