/** * Shared CLI argument parsing utilities used by both EngineSpec implementations * and process-utilities. Extracted here to avoid circular dependencies between * engine-spec.ts and process-utilities.ts. */ export const getExtraArgument = (  extraArguments: Record<string, unknown>,  key: string,): unknown => {  if (Object.prototype.hasOwnProperty.call(extraArguments, key)) return extraArguments[key];  const kebab = key.replace(/_/g, "-");  if (Object.prototype.hasOwnProperty.call(extraArguments, kebab)) return extraArguments[kebab];  const snake = key.replace(/-/g, "_");  return Object.prototype.hasOwnProperty.call(extraArguments, snake)    ? extraArguments[snake]    : undefined;}; const executableName = (value: string | undefined): string => {  if (!value) return "";  return value.split(/[\\/]/).filter(Boolean).at(-1)?.toLowerCase() ?? value.toLowerCase();}; export const hasModuleInvocation = (args: string[], moduleName: string): boolean => {  for (let index = 0; index < args.length; index += 1) {    if (args[index] === "-m" && args[index + 1] === moduleName) {      return true;    }    if (args[index] === moduleName) {      return true;    }  }  return false;}; export const hasCliServeInvocation = (args: string[], cliName: string): boolean => {  const executableIndex = args.findIndex((argument) => executableName(argument) === cliName);  return executableIndex >= 0 && args[executableIndex + 1] === "serve";}; /** Find the positional argument after a "serve" subcommand (vLLM/SGLang CLI pattern). */