326a61696a
- Removed the StreamEvent accumulation logic, transitioning to an append-only model for event streaming. - Updated StreamManager interface to support appending events and retrieving events with offsets. - Enhanced session handling to support real-time event emission through an EventBus, improving responsiveness. - Refactored chat pipeline components to utilize the new event-driven architecture, ensuring seamless integration of agent responses and knowledge references. - Improved frontend components to handle the new event structure, ensuring accurate rendering of agent interactions and responses.