- Added `locale` query parameter for assistant information retrieval, allowing for localization based on user preferences.
- Introduced `assistants` field in the response to provide localized details (name, avatar, description) for unique assistant IDs, improving frontend display capabilities.
- Updated documentation to clarify locale resolution priority and the significance of the new `assistants` field in chat responses.
- Introduced `GetInfo` method in the Assistant struct to return basic assistant information with optional locale support for internationalization.
- Implemented `GetInfoByIDs` function to retrieve information for multiple assistants based on their IDs, enhancing batch processing capabilities.
- Updated chat buffer management to include a mode parameter, allowing for dynamic switching between chat and task modes.
- Enhanced message handling to store and retrieve the mode associated with each message, improving context tracking during chat sessions.
- Revised tests to validate the new functionalities, ensuring accurate retrieval of assistant information and proper mode management in chat operations.
- Updated the `ChatBuffer` to support streaming messages, allowing for content to be appended and finalized with `SendStream` and `End` methods.
- Modified the `AddAssistantMessage` method to include a message ID, improving message tracking and retrieval.
- Implemented new methods for appending content to streaming messages and completing them, ensuring accurate message storage and event handling.
- Revised tests to validate the new streaming functionality and ensure proper integration with existing message handling processes.
- Updated `CHAT_STORAGE_DESIGN.md` to reflect changes in message storage and indexing, including unique constraints for message IDs within requests.
- Enhanced chat buffer and message handling to support dynamic connector switching, allowing users to change the connector during a chat session.
- Updated the `ChatBuffer` and `BufferedMessage` structures to include a `connector` field, enabling tracking of the connector used for each message.
- Modified the `EnsureChat` method to skip chat creation when history is disabled, improving chat session management.
- Revised tests to validate the new connector functionality, ensuring accurate message retrieval and connector state management.
- Updated `CHAT_STORAGE_DESIGN.md` to reflect the addition of the `last_connector` field in chat metadata and message structures.
- Added comprehensive documentation for the new RESTful HTTP APIs for managing chat sessions and messages, including endpoints for listing, retrieving, updating, and deleting chat sessions.
- Included detailed request and response examples for each endpoint, along with query parameters and permission filtering guidelines.
- Updated the `CHAT_STORAGE_DESIGN.md` to reflect these changes, ensuring clarity on the API's functionality and usage.
- Updated the ChatFilter structure to include advanced permission filters for UserID and TeamID, allowing for more granular chat retrieval.
- Added examples in the documentation to demonstrate new filtering capabilities, including combinations of user and team filters, as well as complex conditions using QueryFilter.
- Implemented batch saving and retrieval functionalities for messages and resumes, improving data management efficiency.
- Revised related tests to validate the new filtering features and ensure robust functionality across chat management operations.
- Updated the `CHAT_STORAGE_DESIGN.md` to define the `ChatStore` and `AssistantStore` interfaces, providing clear operations for managing chats, messages, resumes, and assistants.
- Introduced new methods for creating, retrieving, updating, and deleting chats and assistants, along with batch operations for messages and resumes.
- Enhanced the documentation to clarify the responsibilities of each store interface and the associated data structures, ensuring better understanding for future development.
- Revised related functions and tests to support the new design, reinforcing the integrity and performance of chat interactions and assistant management.
- Removed the `history` model and replaced it with a new `message` model to streamline chat message storage and retrieval.
- Introduced a `resume` model to enhance the chat's ability to recover from interruptions, capturing essential execution state data.
- Updated the `CHAT_STORAGE_DESIGN.md` to reflect these changes, including new fields and relationships for the message and resume models.
- Revised related functions and tests to support the new data structures, ensuring improved integrity and performance in chat interactions.
- Added time range filters (StartTime, EndTime, TimeField) to the ChatFilter structure for improved chat retrieval based on specific time criteria.
- Introduced sorting options (OrderBy, Order) to allow customization of chat list order.
- Implemented grouping functionality (GroupBy) to enable time-based organization of chat results.
- Updated the ChatList structure to include groups for better UI representation of chats.
- Added examples in the documentation to demonstrate the new filtering and grouping capabilities in chat retrieval.
- Removed the `preset` field from the chat metadata structure to simplify the design.
- Added new indices for `role` and `thread_id` in the message storage section to enhance query performance and organization.
- Introduced a new index for `type` in the resume functionality to improve retrieval efficiency during chat state restoration.
- Revised the documentation to emphasize that all message types, including built-in and custom types, are stored, with specific notes on the handling of lifecycle events and custom types.
- Enhanced the timeline section to reflect changes in message processing, including updates to the sequence of stored messages and the introduction of concurrent operations storage.
- Improved clarity on the storage approach for concurrent operations, detailing the use of `block_id` and `thread_id` for grouping messages during parallel tasks.
- Updated the write strategy in CHAT_STORAGE_DESIGN.md to transition from a two-write to a single-write approach, enhancing efficiency by writing all messages (user input and assistant responses) to the database only once upon stream exit.
- Revised related documentation to clarify the new single-write process and its implications for message handling and database interactions.
- Adjusted implementation details in the Stream function to reflect the new strategy, ensuring that steps are only saved on error or interruption, thereby reducing unnecessary database writes.
- Introduced a new `retrieval` message type in `BUILTIN_TYPES.md` to handle knowledge base and web search results, including structured properties for query, sources, and metadata.
- Updated `CHAT_STORAGE_DESIGN.md` to document the storage approach for retrieval results, emphasizing user feedback, quality analytics, and source attribution.
- Enhanced examples and use cases for retrieval messages to clarify implementation and integration within the chat system.
- Revised related documentation to ensure consistency and understanding of the new retrieval capabilities.
- Updated the chat storage design to introduce a new `agent_resume` table for storing execution states during interruptions or failures, improving recovery capabilities.
- Replaced the `agent_step` table with a more focused `Resume` model, capturing essential data for resuming operations.
- Expanded the message types to include detailed structures for various content types, including `tool_call`, `error`, and multimedia messages.
- Enhanced documentation to clarify the new storage strategies and message handling processes, ensuring better understanding for future development.
- Updated related functions and tests to support the new resume logic and message structures, reinforcing the integrity of the chat storage system.
- Updated the chat storage design to reflect a shift from "Conversation" to "Chat" terminology, improving clarity in the data structure.
- Revised the data models for Chat and Message tables, including new fields for enhanced metadata management and permissions.
- Introduced a `space_snapshot` field in the Step model to facilitate recovery during execution, improving resilience in chat interactions.
- Enhanced middleware documentation to reflect the modular architecture and provide clearer usage examples for different API routes.
- Updated tests to ensure the integrity of new data structures and functionalities, reinforcing the robustness of the chat storage system.
- Improved the Assistant's initialization process by integrating dynamic configuration loading from `agent/kb.yml`, allowing for more flexible chat session settings.
- Refactored the `initKBConfig` function to streamline the reading and parsing of Knowledge Base settings.
- Optimized conversation initialization to prepare KB collections asynchronously, enhancing performance during chat interactions.
- Updated tests to ensure the correct application of KB settings and robust integration with the Assistant's functionality.
