const { FeishuClient } = require('./feishu-client'); // Assuming standard client // Mock client or use real if env vars set (skipping real call to avoid side effects in validation) // We just want to ensure the syntax of index.js is valid after edit. try { const index = require('./index.js'); console.log('skills/feishu-doc/index.js loaded successfully.'); } catch (e) { console.error('Failed to load index.js:', e); process.exit(1); }