echo "Error: claude native binary not installed." >&2
echo "" >&2
echo "Either postinstall did not run (--ignore-scripts, some pnpm configs)" >&2
echo "or the platform-native optional dependency was not downloaded" >&2
echo "(--omit=optional)." >&2
echo "" >&2
echo "Run the postinstall manually (adjust path for local vs global install):" >&2
echo "  node node_modules/@anthropic-ai/claude-code/install.cjs" >&2
echo "" >&2
echo "Or reinstall without --ignore-scripts / --omit=optional." >&2
exit 1