- Introduced new types for ChatSession UI state management including ChatSessionUiStateV1 and related structures.
- Implemented functionality to save and retrieve UI state for chat sessions.
- Added tests for structured output fallback scenarios in the AI human live backend.
- Enhanced unit tests for LLM executor to validate strategy replacement and persistence across runs.
- Created end-to-end tests to ensure session UI state isolation and persistence after application restart.
- Updated llmConfig to load structured fallback configurations from environment variables.