- Fixed error message display when browser phone initialization fails (now shows actual error instead of "undefined")
- Fixed ajax_get_phone_numbers to use wp_send_json_error instead of wp_die for proper error handling
- Added error handling for phone numbers loading in browser phone interface
- Updated phone_agent role to ensure all necessary capabilities are added to existing roles
- Added automatic capability updates for existing phone_agent roles on plugin load
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
