- Backend (LLM Gateway):
- Record structured 'llm_stream_reset' event with discard action, failure reason, and retry messaging on mid-stream generation errors.
- Add unit test verifying stream reset event payload on mid-stream errors.
- Frontend (Showcase UI):
- Handle 'llm_stream_reset' events in agent service and stream aggregator, discarding interrupted chunks while showing retry indicators.
- Establish a single source of truth for tool and action events in the timeline to eliminate duplicated action rows while retaining ADB and explorer tools.
- Add @angular/cdk dependency and update agent stream component styling and layout.
- Add unit tests for stream aggregation and tool display filtering.
Add execution incidents, action bursts and shared Flash history.
Expose verification and Explorer settings with streamed check results.
Support graceful cancellation, recording recovery and bundled UI resources.
Add CI quality checks and clean up comments and documentation.