openclaw/src/gateway/server-browser.ts

export type BrowserControlServer = {
  stop: () => Promise<void>;
};

export async function startBrowserControlServerIfEnabled(): Promise<BrowserControlServer | null> {
  if (process.env.CLAWDBOT_SKIP_BROWSER_CONTROL_SERVER === "1") return null;
  // Lazy import: keeps startup fast, but still bundles for the embedded
  // gateway (bun --compile) via the static specifier path.
  const override = process.env.CLAWDBOT_BROWSER_CONTROL_MODULE?.trim();
  const mod = override
    ? await import(override)
    : await import("../browser/server.js");
  await mod.startBrowserControlServerFromConfig();
  return { stop: mod.stopBrowserControlServer };
}