- Updated ghl-api-client.test.ts: constructor expects Accept header + timeout, testConnection uses /locations/ endpoint, sendSMS/sendEmail use conversation headers, searchContacts uses POST, createBlogPost posts to /blogs/posts, getBlogSites gets /blogs/site/all, updateAccessToken modifies defaults - All 116 tests passing, 0 failing - Previous sub-agent fixed conversation-tools + contact-tools tests