langgraph 0.1.13

Summary of Changes

• Improved robustness in the Pregel execution engine by adding validation for node names in pending sends
• Enhanced recursion limit handling in PregelLoop to properly account for checkpointed state

Detailed Changes

langgraph.pregel.algo.prepare_next_tasks

• Added validation to ignore unknown node names in pending sends, preventing errors when a referenced node doesn't exist

langgraph.pregel.loop.PregelLoop

• Added a new stop attribute to track the maximum allowed steps
• Modified recursion limit handling to properly account for the current step number when resuming from checkpoints
• Updated both sync and async context managers to correctly initialize the recursion limit