Function parseJsonEntries

src/tools/MCPTool/UI.tsx:266–291

(content: string, {
  maxChars,
  maxKeys
}: {
  maxChars: number;
  maxKeys: number;
})

  return `${k}: ${v}`;
}
function parseJsonEntries(content: string, {
  maxChars,
  maxKeys
}: {
  maxChars: number;
  maxKeys: number;
}): [string, unknown][] | null {
  const trimmed = content.trim();
  if (trimmed.length === 0 || trimmed.length > maxChars || trimmed[0] !== '{') {
    return null;
  }
  let parsed: unknown;
  try {
    parsed = jsonParse(trimmed);
  } catch {
    return null;
  }
  if (parsed === null || typeof parsed !== 'object' || Array.isArray(parsed)) {
    return null;
  }
  const entries = Object.entries(parsed);
  if (entries.length === 0 || entries.length > maxKeys) {
    return null;
  }
  return entries;
}

/**
 * If content parses as a JSON object where every value is a scalar or a