- Implemented history chunking logic with hybrid turn/token-based splitting
- Added RetrieveHistory tool for semantic search on history chunks
- Updated AddHistory to store parent nodes with multiple chunk nodes
- Modified read_history to accept optional single history_id parameter
- Integrated RetrieveHistory into main retrieval workflow with multiple agents
- Updated personal_retriever.yaml to prioritize chunk retrieval over full reads
- Added comprehensive test coverage for chunking and retrieval functionality
- Enhanced logging and metadata tracking for history operations
- Introduce RetrieveProfile tool for fetching specific user profiles
- Refactor ProfileHandler to support both filesystem and vector backends
- Add async methods to ProfileHandler with synchronous fallbacks
- Update PersonalRetriever to support two-stage profile and memory retrieval
- Enhance PersonalSummarizer with improved tool partitioning logic
- Add profile_backend, profile_store_name, and profile_max_capacity configuration options
- Replace direct ProfileHandler imports with get_profile_handler method
- Implement profile search functionality with dedicated prompts and workflows
- Add FileProfileBackend and VectorProfileBackend implementations
- Update base memory tool with new profile configuration parameters
