function safeStringify(obj) {
  const seen = new WeakSet();
  return JSON.stringify(
    obj,
    (k, v) => {
      if (typeof v === "object" && v !== null) {
        if (seen.has(v)) return "[Circular]";
        seen.add(v);
      }
      if (typeof v === "function") return `[Function: ${v.name || "anonymous"}]`;
      if (typeof v === "bigint") return v.toString();
      return v;
    },
    2
  );
}

function globalKeysSample(limit = 200) {
  try {
    const keys = Object.getOwnPropertyNames(globalThis).sort();
    return keys.slice(0, limit);
  } catch {
    return [];
  }
}

const report = {
  types: {
    $content: typeof $content,
    $files: typeof $files,
    $options: typeof $options,
    ProxyUtils: typeof ProxyUtils,
    produceArtifact: typeof produceArtifact,
  },
  values: {
    $contentPreview: (typeof $content === "string" ? $content.slice(0, 300) : $content),
    $contentLength: (typeof $content === "string" ? $content.length : null),
    $files: $files ?? null,
    $options: $options ?? null,
  },
  globals: {
    globalThisKeysSample: globalKeysSample(),
  }
};

$content = safeStringify(report);