Function localInstallationExists

src/utils/localInstaller.ts:160–167

()

 * Pure existence probe — callers use this to choose update path / UI hints.
 */
export async function localInstallationExists(): Promise<boolean> {
  try {
    await access(join(getLocalInstallDir(), 'node_modules', '.bin', 'claude'))
    return true
  } catch {
    return false
  }
}

/**
 * Get shell type to determine appropriate path setup