Function verifyResolvedVersion

src/upgrade/index.ts:449–462

(latest: string, deps: UpgradeDeps)

 * every future one — keeps serving the old version. Exported for unit tests.
 */
export function verifyResolvedVersion(latest: string, deps: UpgradeDeps): VersionProbe {
  if (!deps.hasCommand('codegraph')) return 'inconclusive';
  // Windows installs expose codegraph through a .cmd launcher; Node can't
  // spawn .cmd files without a shell, so route through cmd.exe there.
  const probe = deps.platform === 'win32'
    ? deps.capture('cmd.exe', ['/d', '/s', '/c', 'codegraph --version'])
    : deps.capture('codegraph', ['--version']);
  if (!probe || probe.code !== 0) return 'inconclusive';
  // `codegraph --version` prints the bare version; take the last non-empty
  // line so a stray runtime warning above it can't spoil the parse.
  const reported = probe.stdout.trim().split(/\r?\n/).pop()?.trim() ?? '';
  if (!parseSemver(reported)) return 'inconclusive';
  return compareVersions(reported, latest) === 0 ? 'match' : 'mismatch';
}

/**
 * Log the outcome of the post-upgrade version probe. On a match the user