Function normalizeHandlerConfig

apps/local/src/mcp.ts:130–132

(
  input: ExecutorMcpServerConfig | LocalMcpRequestHandlerConfig,
)

  "engine" in config ? config.engine : null;

const normalizeHandlerConfig = (
  input: ExecutorMcpServerConfig | LocalMcpRequestHandlerConfig,
): LocalMcpRequestHandlerConfig => ("defaultConfig" in input ? input : { defaultConfig: input });

// `--port 0` (e2e, some CLI boots) installs EXECUTOR_WEB_BASE_URL with port 0
// before the OS assigns a listen port. That origin is not browser-reachable