sdk==0.1.45

langgraph-sdk 0.1.45

Summary of Changes

• Added a new authentication and authorization system via the Auth class, which provides a unified way to handle auth in LangGraph applications
• Introduced comprehensive type definitions for authentication and authorization handlers
• Added support for fine-grained access control per resource (threads, assistants, crons) and action type (create, read, update, delete, search)
• Added decorator-based API for applying auth handlers to specific resource operations

Detailed Changes

Auth

• Added new Auth class that provides a unified system for authentication and authorization in LangGraph
• Implemented decorator-based authentication handlers that can verify credentials and return user scopes
• Added support for resource-specific authorization rules for threads, assistants, and crons
• Implemented a hierarchical handler system that allows global fallback handlers and specific per-action handlers
• Provided fine-grained access control for different operations (create, read, update, delete, search)
• Added comprehensive docstrings and examples for all auth functionality

Types

• Added new types module with comprehensive type definitions for auth system
• Implemented typed dictionaries for all resource operations (ThreadsCreate, AssistantsRead, etc.)
• Added protocol definitions for user objects and auth handlers
• Created strongly-typed context objects for passing auth information through the system
• Defined clear return types for authorization handlers to accept, reject or filter requests