Function isMissingVenvModuleError

src/python-env.ts:102–112

(stderr: string)

 * driven so callers only show apt guidance when it actually applies.
 */
export function isMissingVenvModuleError(stderr: string): boolean {
  if (!stderr) return false;
  return (
    /ensurepip/i.test(stderr) ||
    /No module named ['"]?venv/i.test(stderr) ||
    /python3?-venv/i.test(stderr) ||
    // `python3 -m venv` on Debian prints this when ensurepip is unavailable.
    /returned non-zero exit status 1.*ensurepip/i.test(stderr) ||
    /The virtual environment was not created successfully/i.test(stderr)
  );
}

/**
 * Builds an actionable, OS-specific install hint for the missing venv module.