fix(sdk): Fix SDK Command.update type (#2901)

Align typing with JS:


https://github.com/langchain-ai/langgraphjs/blob/main/libs/langgraph/src/constants.ts#L226

libs/sdk-js/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@langchain/langgraph-sdk",
-  "version": "0.0.32",
+  "version": "0.0.33",
   "description": "Client library for interacting with the LangGraph API",
   "type": "module",
   "packageManager": "yarn@1.22.19",

libs/sdk-js/src/types.ts

@@ -32,7 +32,7 @@ export interface Command {
   /**
    * An object to update the thread state with.
    */
-  update?: Record<string, unknown>;
+  update?: Record<string, unknown> | [string, unknown][];
 
   /**
    * The value to return from an `interrupt` function call.

libs/sdk-py/langgraph_sdk/schema.py

@@ -1,7 +1,17 @@
 """Data models for interacting with the LangGraph API."""
 
 from datetime import datetime
-from typing import Any, Dict, Literal, NamedTuple, Optional, Sequence, TypedDict, Union
+from typing import (
+    Any,
+    Dict,
+    Literal,
+    NamedTuple,
+    Optional,
+    Sequence,
+    Tuple,
+    TypedDict,
+    Union,
+)
 
 Json = Optional[dict[str, Any]]
 """Represents a JSON-like structure, which can be None or a dictionary with string keys and any values."""
@@ -374,5 +384,5 @@ class Send(TypedDict):
 
 class Command(TypedDict, total=False):
     goto: Union[Send, str, Sequence[Union[Send, str]]]
-    update: dict[str, Any]
+    update: Union[dict[str, Any], Sequence[Tuple[str, Any]]]
     resume: Any

libs/sdk-py/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph-sdk"
-version = "0.1.48"
+version = "0.1.49"
 description = "SDK for interacting with LangGraph API"
 authors = []
 license = "MIT"