v0.1.3

This release includes important bug fixes and adds comprehensive test coverage for the library.

Bug Fixes

Checkpoint Query Logic

• Fixed checkpoint list query when before parameter is specified
• Improved condition expression handling and query performance
• Added proper filtering for lexicographic comparisons

Infrastructure Configuration

• Fixed Point-in-Time Recovery configuration (now uses proper CDK construct)
• Fixed TTL configuration (switched to CloudFormation property override)
• Updated auto-scaling to use CDK Duration types

LangGraph Compatibility

• Added task_path parameter to put_writes() and aput_writes() methods for compatibility with langgraph >= v0.5

Testing

Unit Tests

• Added comprehensive unit tests for configuration, infrastructure stack, saver, and utilities
• Increased test coverage for core functionality

Integration Tests

• Added integration tests covering basic operations, concurrency, memory, time travel, human-in-the-loop, and table deployment
• Added LocalStack verification tests
• Added test documentation (tests/README.md) and contributing guidelines (CONTRIBUTING.md)