Upgraded langgraph to most recent one to get defer=True

pyproject.toml

@@ -12,7 +12,7 @@ dependencies = [
     "langchain-experimental>=0.3.4",
     "langchain-openai",
     "langchain-qdrant>=0.2.0",
-    "langgraph>=0.2.55",
+    "langgraph>=0.4.8",
     "qdrant-client>=1.8.0",
     # API integration
     "chainlit>=2.0.4",

uv.lock

@@ -1909,19 +1909,19 @@ wheels = [
 
 [[package]]
 name = "langgraph"
-version = "0.4.3"
+version = "0.4.8"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "langchain-core", marker = "python_full_version < '4.0'" },
+    { name = "langchain-core" },
     { name = "langgraph-checkpoint" },
-    { name = "langgraph-prebuilt", marker = "python_full_version < '4.0'" },
-    { name = "langgraph-sdk", marker = "python_full_version < '4.0'" },
+    { name = "langgraph-prebuilt" },
+    { name = "langgraph-sdk" },
     { name = "pydantic" },
     { name = "xxhash" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/60/9e/5a64602eff18a99d0216a80eff823051ffbdb7c11b5a16171cee8b1ccce5/langgraph-0.4.3.tar.gz", hash = "sha256:272d5d5903f2c2882dbeeba849846a0f2500bd83fb3734a3801ebe64c1a60bdd", size = 125407 }
+sdist = { url = "https://files.pythonhosted.org/packages/9b/53/03380b675fef3d00d2d270e530d1a8bfe4e6f27117016a478670c9c74469/langgraph-0.4.8.tar.gz", hash = "sha256:48445ac8a351b7bdc6dee94e2e6a597f8582e0516ebd9dea0fd0164ae01b915e", size = 453277 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/35/53/0a20edd9f41eb3707722444ec1b43752b792bbe904d1c8cc3ba27f8eb2c8/langgraph-0.4.3-py3-none-any.whl", hash = "sha256:dec926e034f4d440b92a3c52139cb6e9763bc1791e79a6ea53a233309cec864f", size = 151191 },
+    { url = "https://files.pythonhosted.org/packages/17/8a/fe05ec63ee4c3889a8b89679a6bdd1be6087962818996f3b361da23a5529/langgraph-0.4.8-py3-none-any.whl", hash = "sha256:273b02782669a474ba55ef4296607ac3bac9e93639d37edc0d32d8cf1a41a45b", size = 152444 },
 ]
 
 [[package]]
@@ -1956,15 +1956,15 @@ wheels = [
 
 [[package]]
 name = "langgraph-checkpoint"
-version = "2.0.25"
+version = "2.0.26"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
-    { name = "langchain-core" },
+    { name = "langchain-core", marker = "python_full_version < '4.0'" },
     { name = "ormsgpack" },
 ]
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+sdist = { url = "https://files.pythonhosted.org/packages/c5/61/e2518ac9216a4e9f4efda3ac61595e3c9e9ac00833141c9688e8d56bd7eb/langgraph_checkpoint-2.0.26.tar.gz", hash = "sha256:2b800195532d5efb079db9754f037281225ae175f7a395523f4bf41223cbc9d6", size = 37874 }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/12/52/bceb5b5348c7a60ef0625ab0a0a0a9ff5d78f0e12aed8cc55c49d5e8a8c9/langgraph_checkpoint-2.0.25-py3-none-any.whl", hash = "sha256:23416a0f5bc9dd712ac10918fc13e8c9c4530c419d2985a441df71a38fc81602", size = 42312 },
+    { url = "https://files.pythonhosted.org/packages/38/48/d7cec540a3011b3207470bb07294a399e3b94b2e8a602e38cb007ce5bc10/langgraph_checkpoint-2.0.26-py3-none-any.whl", hash = "sha256:ad4907858ed320a208e14ac037e4b9244ec1cb5aa54570518166ae8b25752cec", size = 44247 },
 ]
 
 [[package]]
@@ -1988,15 +1988,15 @@ inmem = [
 
 [[package]]
 name = "langgraph-prebuilt"
-version = "0.1.8"
+version = "0.2.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "langchain-core" },
     { name = "langgraph-checkpoint" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/57/30/f31f0e076c37d097b53e4cff5d479a3686e1991f6c86a1a4727d5d1f5489/langgraph_prebuilt-0.1.8.tar.gz", hash = "sha256:4de7659151829b2b955b6798df6800e580e617782c15c2c5b29b139697491831", size = 24543 }
+sdist = { url = "https://files.pythonhosted.org/packages/88/f5/15b26cda94ebb89400048d478a3b1927005d85e273a557d8683f4cda775c/langgraph_prebuilt-0.2.2.tar.gz", hash = "sha256:0a5d1f651f97c848cd1c3dd0ef017614f47ee74effb7375b59ac639e41b253f9", size = 112785 }
 wheels = [
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+    { url = "https://files.pythonhosted.org/packages/14/46/c98fec1f8620cbffbabda346a2c68155eec3720c6c3393ab3b9529618810/langgraph_prebuilt-0.2.2-py3-none-any.whl", hash = "sha256:72de5ef1d969a8f02ad7adc7cc1915bb9b4467912d57ba60da34b5a70fdad1f6", size = 23748 },
 ]
 
 [[package]]
@@ -3828,7 +3828,7 @@ requires-dist = [
     { name = "langchain-openai" },
     { name = "langchain-qdrant", specifier = ">=0.2.0" },
     { name = "langchain-tavily", specifier = ">=0.2.0" },
-    { name = "langgraph", specifier = ">=0.2.55" },
+    { name = "langgraph", specifier = ">=0.4.8" },
     { name = "langgraph-cli", extras = ["inmem"], specifier = ">=0.1.55" },
     { name = "langsmith", specifier = ">=0.0.50" },
     { name = "logging", specifier = ">=0.4.9.6" },