kai_engine 0.2.0

A modular, extensible AI chat engine built with a pipeline-based architecture.

Changelog

0.2.0 - 2026-04-11

Added

• CoreMessageRepository with callback-based persistence API
• KaiChatController as ready-to-use chat controller implementation
• Automatic timestamp-based sorting for InMemoryMessageRepository
• onInitial callback for loading messages from persistence
• onPut callback for persisting insert/update operations (upsert)
• Optional onRemove callback for persisting deletions
• Session caching and initialization state tracking
• Static create() factory method with async initialization support
• Optional callbacks for onPromptsReady and onStateChange
• systemPrompt parameter to SimpleContextEngine for customization

Changed

• Improved code formatting across the codebase
• Simplified timestamp formatting to display HH:mm format
• Fixed error state handling to use _setState consistently
• Updated CoreMessageRepository callback signatures

0.1.1 - 2025-12-31

Changed

• Improved README documentation with accurate API examples
• Updated architecture diagram (Mermaid flowchart) for better rendering
• Added ContextEngine.builder() usage examples
• Enhanced ConversationManager documentation with factory method examples
• Added InMemoryConversationManager documentation

Removed

• Removed FlexTemplate section from README (moved to prompt_block package)

0.1.0 - 2025-08-16

Added

• Initial release of Kai Engine
• Modular pipeline-based architecture
• Core components: ChatController, ConversationManager, GenerationService, etc.
• Stream-based real-time responses
• Optimistic UI updates
• Flexible context building with template system
• Tool calling support
• Post-response processing
• Comprehensive test suite

Changed

Fixed

Deprecated

Removed