diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 0a1d5394f..fd88802ab 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -150,7 +150,7 @@ importers:
         version: 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
       '@langchain/langgraph':
         specifier: ^1.1.3
-        version: 1.1.4(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
+        version: 1.2.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
       '@langchain/langgraph-checkpoint':
         specifier: ^1.0.0
         version: 1.0.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))
@@ -214,7 +214,7 @@ importers:
         version: 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
       '@langchain/langgraph':
         specifier: ^1.1.4
-        version: 1.1.4(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
+        version: 1.2.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
       fast-glob:
         specifier: ^3.3.3
         version: 3.3.3
@@ -466,7 +466,7 @@ importers:
         version: 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
       '@langchain/langgraph':
         specifier: ^1.1.4
-        version: 1.1.4(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
+        version: 1.2.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
       '@tsconfig/recommended':
         specifier: ^1.0.13
         version: 1.0.13
@@ -1193,6 +1193,20 @@ packages:
       react-dom:
         optional: true
 
+  '@langchain/langgraph-sdk@1.6.5':
+    resolution: {integrity: sha512-JjprmbhgCnoNJ9DUKcvrEU+C9FfKsNGyT3ooqWxAY5Cx2qofhXmDJOpTCqqbxfDHPKG0RjTs5HgVK3WW5M6Big==}
+    peerDependencies:
+      '@langchain/core': ^1.1.16
+      react: ^18 || ^19
+      react-dom: ^18 || ^19
+    peerDependenciesMeta:
+      '@langchain/core':
+        optional: true
+      react:
+        optional: true
+      react-dom:
+        optional: true
+
   '@langchain/langgraph@1.1.4':
     resolution: {integrity: sha512-9OhRF+7Zvcpure8TLtBrxfJDo0PAoHZhfzcPL6M3CsGXiYqLWm5tQe+FYqn9zRIV7IwphqVEl1QDNbOkVgo+kw==}
     engines: {node: '>=18'}
@@ -1204,6 +1218,17 @@ packages:
       zod-to-json-schema:
         optional: true
 
+  '@langchain/langgraph@1.2.0':
+    resolution: {integrity: sha512-wyqKIzXTAfXX3L1d8R7icM+HmRQBTbuNLWtUlpRJ/JP/ux1ei/sOSt6p8f90ARoOP2iJVlM70wOBYWaGErdBlA==}
+    engines: {node: '>=18'}
+    peerDependencies:
+      '@langchain/core': ^1.1.16
+      zod: ^3.25.32 || ^4.2.0
+      zod-to-json-schema: ^3.x
+    peerDependenciesMeta:
+      zod-to-json-schema:
+        optional: true
+
   '@langchain/openai@1.2.7':
     resolution: {integrity: sha512-vR9zoF0/EZ03X0Tc6woIEWRDSDSr2l64n+MQCW8NduScJtBJs5r/Ng3Lrp2bjtJQywEMQoOhcrV2DMmAIPWgnw==}
     engines: {node: '>=20'}
@@ -2888,8 +2913,8 @@ packages:
     resolution: {integrity: sha512-5KoIu2Ngpyek75jXodFvnafB6DJgr3u8uuK0LEZJjrU19DrMD3EVERaR8sjz8CCGgpZvxPl9SuE1GMVPFHx1mw==}
     engines: {node: '>= 0.4'}
 
-  is-network-error@1.3.0:
-    resolution: {integrity: sha512-6oIwpsgRfnDiyEDLMay/GqCl3HoAtH5+RUKW29gYkL0QA+ipzpDLA16yQs7/RHCSu+BwgbJaOUqa4A99qNVQVw==}
+  is-network-error@1.3.1:
+    resolution: {integrity: sha512-6QCxa49rQbmUWLfk0nuGqzql9U8uaV2H6279bRErPBHe/109hCzsLUBUHfbEtvLIHBd6hyXbgedBSHevm43Edw==}
     engines: {node: '>=16'}
 
   is-number-object@1.1.1:
@@ -4963,6 +4988,15 @@ snapshots:
     optionalDependencies:
       '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
 
+  '@langchain/langgraph-sdk@1.6.5(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))':
+    dependencies:
+      '@types/json-schema': 7.0.15
+      p-queue: 9.1.0
+      p-retry: 7.1.1
+      uuid: 13.0.0
+    optionalDependencies:
+      '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
+
   '@langchain/langgraph@1.1.4(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)':
     dependencies:
       '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
@@ -4975,6 +5009,18 @@ snapshots:
       - react
       - react-dom
 
+  '@langchain/langgraph@1.2.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)':
+    dependencies:
+      '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
+      '@langchain/langgraph-checkpoint': 1.0.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))
+      '@langchain/langgraph-sdk': 1.6.5(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))
+      '@standard-schema/spec': 1.1.0
+      uuid: 10.0.0
+      zod: 4.3.6
+    transitivePeerDependencies:
+      - react
+      - react-dom
+
   '@langchain/openai@1.2.7(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(ws@8.19.0)':
     dependencies:
       '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
@@ -6888,7 +6934,7 @@ snapshots:
 
   is-negative-zero@2.0.3: {}
 
-  is-network-error@1.3.0: {}
+  is-network-error@1.3.1: {}
 
   is-number-object@1.1.1:
     dependencies:
@@ -7045,7 +7091,7 @@ snapshots:
   langchain@1.2.26(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)):
     dependencies:
       '@langchain/core': 1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
-      '@langchain/langgraph': 1.1.4(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
+      '@langchain/langgraph': 1.2.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))(zod@4.3.6)
       '@langchain/langgraph-checkpoint': 1.0.0(@langchain/core@1.1.26(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6)))
       langsmith: 0.5.7(@opentelemetry/api@1.9.0)(@opentelemetry/exporter-trace-otlp-proto@0.207.0(@opentelemetry/api@1.9.0))(@opentelemetry/sdk-trace-base@2.5.1(@opentelemetry/api@1.9.0))(openai@6.21.0(ws@8.19.0)(zod@4.3.6))
       uuid: 10.0.0
@@ -7290,7 +7336,7 @@ snapshots:
 
   p-retry@7.1.1:
     dependencies:
-      is-network-error: 1.3.0
+      is-network-error: 1.3.1
 
   p-timeout@3.2.0:
     dependencies: