sdk==0.1.31

langgraph-sdk 0.1.31

Summary of Changes

• Added assistant versioning capabilities with new methods to manage versions (#1665)
• Enhanced checkpoint handling with new Checkpoint type and updated APIs
• Added support for including subgraphs in thread state
• Added ability to schedule runs in the future with after_seconds parameter
• Fixed typo in docstring for join_stream method (#1640)
• Clarified that create_batch is for stateless background runs (#1640)

Detailed Changes

Assistant Client

• Added support for naming assistants with new name parameter in both create and update methods (#1665)
• Added new get_versions method to retrieve version history of an assistant (#1665)
• Added new set_latest method to change the active version of an assistant (#1665)

Thread Client

• Enhanced get_state method with new checkpoint parameter (replacing deprecated checkpoint_id) and added subgraphs parameter
• Updated state response structure (changed config to checkpoint)
• Removed patch_state method in favor of more comprehensive state management
• Updated update_state to use new checkpoint type

Run Client

• Added stream_subgraphs parameter to control streaming of subgraph outputs
• Added checkpoint parameter to various methods (alongside deprecated checkpoint_id)
• Added after_seconds parameter for scheduling future runs
• Updated docstring for create_batch to clarify it's for "stateless" background runs (#1640)
• Fixed docstring for join_stream method, which incorrectly referenced join (#1640)

Schema Updates

• Added new Checkpoint type to represent checkpoint information more comprehensively
• Restructured the assistant classes:
  • Created base class AssistantBase with common fields
  • Added new AssistantVersion class for version history
  • Updated Assistant class with new name and version fields
• Added ThreadTask model to represent tasks within a thread state
• Updated ThreadState model to use the new Checkpoint type and added support for tasks