function formatLikeVSCode(str, indent = 2) {if (typeof str !== 'string') return str;const trimmed = str.trim();// 必须是最外层对象if (!trimmed.startsWith('{') || !trimmed.endsWith('}')) {return str;}const space = ' '.repeat(indent);const inner = trimmed.slice(1, -1).trim();if (!inner) {return `{\n}`;}// 仅在顶层逗号处分割（避免 ${} 内部）const parts = inner.split(/,(?![^{}]*\})/);const formatted = parts.map(p => `${space}${p.trim()}`).join(',\n');return `{\n${formatted}\n}`;
}