Added #

• Initial release of the AG-UI Dart SDK
• Core protocol implementation with full event type support
• HTTP client with Server-Sent Events (SSE) streaming
• Strongly-typed models for all AG-UI protocol entities
• Support for tool interactions and generative UI
• State management with snapshots and JSON Patch deltas (RFC 6902)
• Message history tracking across multiple runs
• Comprehensive error handling with typed exceptions
• Cancel token support for aborting long-running operations
• Environment variable configuration support
• Example CLI application demonstrating key features
• Integration tests validating protocol compliance

Features #

• AgUiClient - Main client for AG-UI server interactions
• SimpleRunAgentInput - Simplified input structure for common use cases
• Event streaming with backpressure handling
• Tool call processing and result handling
• State synchronization across agent runs
• Message accumulation and conversation context

Known Limitations #

• WebSocket transport not yet implemented
• Binary protocol encoding/decoding not yet supported
• Advanced retry strategies planned for future release
• Event caching and offline support planned for future release