feat: new bun_build and bun_compile, extend bun_install

tests/bundle_test/verify_site_build_meta.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+output_dir=""
+meta_json=""
+meta_md=""
+
+for path in "$@"; do
+  case "${path}" in
+  *.meta.json) meta_json="${path}" ;;
+  *.meta.md) meta_md="${path}" ;;
+  *) output_dir="${path}" ;;
+  esac
+done
+
+if [[ ! -d ${output_dir} ]]; then
+  echo "Expected directory output, got: ${output_dir}" >&2
+  exit 1
+fi
+
+if [[ ! -f ${meta_json} ]]; then
+  echo "Expected JSON metafile output" >&2
+  exit 1
+fi
+
+if [[ ! -f ${meta_md} ]]; then
+  echo "Expected markdown metafile output" >&2
+  exit 1
+fi