Function spawnServer

__tests__/mcp-startup-orphan.test.ts:30–49

(cwd: string, handshakeTimeoutMs: number)

const BIN = path.resolve(__dirname, '../dist/bin/codegraph.js');

function spawnServer(cwd: string, handshakeTimeoutMs: number): ChildProcessWithoutNullStreams {
  return spawn(process.execPath, [BIN, 'serve', '--mcp'], {
    cwd,
    stdio: ['pipe', 'pipe', 'pipe'],
    env: {
      ...process.env,
      // Direct mode: hermetic (no detached daemon to leak from the suite).
      // The backstop is armed identically on the proxy path.
      CODEGRAPH_NO_DAEMON: '1',
      // Single process (skip the --liftoff-only re-exec) so exit-code and
      // liveness assertions observe the server itself.
      CODEGRAPH_WASM_RELAUNCHED: '1',
      // One less helper child; the liveness watchdog is not under test.
      CODEGRAPH_NO_WATCHDOG: '1',
      CODEGRAPH_TELEMETRY: '0',
      DO_NOT_TRACK: '1',
      CODEGRAPH_STARTUP_HANDSHAKE_TIMEOUT_MS: String(handshakeTimeoutMs),
    },
  }) as ChildProcessWithoutNullStreams;
}

function waitForExit(child: ChildProcessWithoutNullStreams, timeoutMs: number): Promise<number | null> {
  return new Promise((resolve, reject) => {