Logs the URL, resource, app ID prefix, and response body when the
token request fails — helps diagnose 400 errors from Logto.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Implements LogtoManagementClient with token caching, password verification,
password update, email update, user deletion, and has-password check.
All methods proxy to Logto Management API via M2M credentials.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
