import { compareVersions } from './update' // App-tested native CLI target; this is not a minimum for all models or external installations.export const MANAGED_CODEX_VERSION = '0.153.4' export const hasCodexNativeUpdate = (version: string | undefined): boolean =>  Boolean(    version &&    /^\d+\.\d+\.\d+$/.test(version) &&    compareVersions(version, MANAGED_CODEX_VERSION) < 0  ) // The app installs this adapter version and treats it as the oldest ACP contract it can safely run.// Newer compatible adapters remain usable; older installs stay discoverable so Settings can offer an// explicit update instead of misreporting them as missing.export const MINIMUM_CODEX_ACP_VERSION = '1.6.2' export const isSupportedCodexAcpVersion = (version: string): boolean =>  compareVersions(version, MINIMUM_CODEX_ACP_VERSION) >= 0 const CODEX_ACP_UNSUPPORTED_VERSION_PREFIX = 'Codex ACP adapter 'const CODEX_ACP_UNSUPPORTED_VERSION_SUFFIX = ` is no longer supported. Update to ${MINIMUM_CODEX_ACP_VERSION} or later in settings.` export const buildUnsupportedCodexAcpVersionMessage = (installedVersion: string): string =>  `${CODEX_ACP_UNSUPPORTED_VERSION_PREFIX}${installedVersion}${CODEX_ACP_UNSUPPORTED_VERSION_SUFFIX}` // Recognizes only the app-authored version guidance, either directly or after Electron or the// Session resume flow wraps it. The installed version varies, so validate the fixed prefix/suffix// and require one version token.export const isUnsupportedCodexAcpVersionError = (error: string | null | undefined): boolean => {  const message = error?.trim()  if (!message?.endsWith(CODEX_ACP_UNSUPPORTED_VERSION_SUFFIX)) return false   const start = message.lastIndexOf(CODEX_ACP_UNSUPPORTED_VERSION_PREFIX)  if (start < 0) return false   const version = message.slice(    start + CODEX_ACP_UNSUPPORTED_VERSION_PREFIX.length,    -CODEX_ACP_UNSUPPORTED_VERSION_SUFFIX.length  )  if (!version || /\s/.test(version)) return false   const wrapper = message.slice(0, start)  return (    wrapper === '' ||    wrapper.endsWith('Error: ') ||    wrapper.endsWith('Agent session resume failed: ')  )}