Closes [#1405](https://github.com/twentyhq/core-team-issues/issues/1405) ### Implemented Features - Reasoning Summary: Collapsible display of AI thinking process with real-time streaming - Tool Execution: Detailed tool call rendering with expandable results and loading states - Error Handling: Clean error stream event display with proper formatting ### Demo https://github.com/user-attachments/assets/76ad29b7-d831-4bc8-a115-ad25f7ace6e2 <img width="504" height="819" alt="Screenshot 2025-09-12 at 3 23 39 AM" src="https://github.com/user-attachments/assets/82dc177d-f009-4e8a-8901-ee1a49201984" /> --------- Co-authored-by: Félix Malfait <felix@twenty.com>