feat: merge v1 (#1733)

Co-authored-by: Tat Dat Duong <david@duong.cz>
Co-authored-by: Christian Bromann <git@bromann.dev>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: 5 people

.changeset/breezy-llamas-laugh.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+Fix type issue with defining `interrupt` and `writer` in StateGraph constructor when using Annotation.Root

.changeset/bumpy-candies-bake.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": major
+---
+
+Make Zod a peer dependency of @langchain/langgraph

.changeset/calm-doodles-shave.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+Add `pushMessage` method for manually publishing to messages stream channel

.changeset/config.json

@@ -13,8 +13,11 @@
   "access": "public",
   "baseBranch": "main",
   "updateInternalDependencies": "patch",
-  "ignore": ["@langchain/langgraph-sdk-validation", "examples"],
+  "ignore": [
+    "@langchain/langgraph-sdk-validation",
+    "@langchain/langgraph-benchmark"
+  ],
   "___experimentalUnsafeOptions_WILL_CHANGE_IN_PATCH": {
     "onlyUpdatePeerDependentsWhenOutOfRange": true
   }
-}
+}

.changeset/early-drinks-fold.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+chore(prebuilt): deprecate createReactAgent

.changeset/every-windows-lose.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+Improve performance of scheduling tasks with large graphs

.changeset/famous-oranges-pay.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+Improve graph execution performance by avoiding unnecessary cloning of checkpoints after every tick

.changeset/fluffy-otters-matter.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+fix(@langchain/langgraph): export missing `CommandParams` symbol

.changeset/funny-houses-mate.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+Add `stream.encoding` option to emit LangGraph API events as Server-Sent Events. This allows for sending events through the wire by piping the stream to a `Response` object.

.changeset/good-pugs-reply.md

@@ -0,0 +1,5 @@
+---
+"@langchain/langgraph": patch
+---
+
+fix(@langchain/langgraph): export missing `CommandInstance` symbol