Function teardown

src/mcp/proxy.ts:519–523

()

    // an 'error' (ECONNRESET/hangup) rather than a clean close; destroying it
    // stops a hung fd from busy-spinning the event loop (#799).
    const teardown = () => {
      try { process.stdin.destroy(); } catch { /* ignore */ }
      try { socket.destroy(); } catch { /* ignore */ }
      done();
    };
    process.stdin.on('close', teardown);
    process.stdin.on('error', teardown);