langchain4d_core 0.1.0

Core abstractions for LangChain4d - a Dart implementation of LangChain framework for building LLM applications

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.1.0 - 2026-01-09

Added

• Core abstractions for LangChain4d framework
• ChatModel interface for LLM interactions
• EmbeddingModel interface for text embeddings
• VectorStore interface for vector storage
• Chain interface for chaining operations
• Agent interface for autonomous agents
• Tool interface for tool execution
• Memory interface for conversation memory
• PromptTemplate interface for prompt formatting
• CallbackHandler interface for event callbacks
• Base message types (HumanMessage, AIMessage, SystemMessage, ToolMessage)
• Document class for document representation
• Embedding class for embedding vectors
• Exception classes (LangChainException, APIException, ValidationException, ConfigurationException)