diff --git a/backend/pnpm-lock.yaml b/backend/pnpm-lock.yaml
index 52e839b..b30bf64 100644
--- a/backend/pnpm-lock.yaml
+++ b/backend/pnpm-lock.yaml
@@ -193,14 +193,14 @@ packages:
     resolution: {integrity: sha512-6mOn4bZyO6XT0GGrEijRtMVrmYJGZ8y1BcwyTPDptFz38lP0CEzrKEYB++h+u3TEcAd3eO25l1aGw/zVlVgw2Q==}
     engines: {node: '>=20'}
 
-  '@langchain/langgraph-checkpoint@1.0.0':
-    resolution: {integrity: sha512-xrclBGvNCXDmi0Nz28t3vjpxSH6UYx6w5XAXSiiB1WEdc2xD2iY/a913I3x3a31XpInUW/GGfXXfePfaghV54A==}
+  '@langchain/langgraph-checkpoint@1.0.1':
+    resolution: {integrity: sha512-HM0cJLRpIsSlWBQ/xuDC67l52SqZ62Bh2Y61DX+Xorqwoh5e1KxYvfCD7GnSTbWWhjBOutvnR0vPhu4orFkZfw==}
     engines: {node: '>=18'}
     peerDependencies:
       '@langchain/core': ^1.0.1
 
-  '@langchain/langgraph-sdk@1.0.0':
-    resolution: {integrity: sha512-g25ti2W7Dl5wUPlNK+0uIGbeNFqf98imhHlbdVVKTTkDYLhi/pI1KTgsSSkzkeLuBIfvt2b0q6anQwCs7XBlbw==}
+  '@langchain/langgraph-sdk@1.0.3':
+    resolution: {integrity: sha512-6M4i0XsVO5Eb2vv/3OtIPHW3UqO4zYyXl6AOfS0Jf6d7JiWiSXqzLN8UoS0hpu1ItkcW1j575CRiP/6jn6XXFg==}
     peerDependencies:
       '@langchain/core': ^1.0.1
       react: ^18 || ^19
@@ -244,6 +244,7 @@ packages:
   '@xmldom/xmldom@0.8.11':
     resolution: {integrity: sha512-cQzWCtO6C8TQiYl1ruKNn2U6Ao4o4WBBcbL61yJl84x+j5sOWWFU9X7DpND8XZG3daDppSsigMdfAIl2upQBRw==}
     engines: {node: '>=10.0.0'}
+    deprecated: this version has critical issues, please update to the latest version
 
   accepts@2.0.0:
     resolution: {integrity: sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==}
@@ -522,8 +523,8 @@ packages:
   jszip@3.10.1:
     resolution: {integrity: sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==}
 
-  langsmith@0.3.76:
-    resolution: {integrity: sha512-JIRyT+InuaaMxq3dhXVOAkedAsugY5TOEAJrI87UuIfJVgV2i7K/lPI4+jNtakaYL9gIKbIwpXHBMpb8rrRgOg==}
+  langsmith@0.3.87:
+    resolution: {integrity: sha512-XXR1+9INH8YX96FKWc5tie0QixWz6tOqAsAKfcJyPkE0xPep+NDz0IQLR32q4bn10QK3LqD2HN6T3n6z1YLW7Q==}
     peerDependencies:
       '@opentelemetry/api': '*'
       '@opentelemetry/exporter-trace-otlp-proto': '*'
@@ -692,8 +693,8 @@ packages:
   safer-buffer@2.1.2:
     resolution: {integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==}
 
-  semver@7.7.3:
-    resolution: {integrity: sha512-SdsKMrI9TdgjdweUSR9MweHA4EJ8YxHn8DFaDisvhVlUOe4BF1tLD7GAj0lIqWVl+dPb/rExr0Btby5loQm20Q==}
+  semver@7.7.4:
+    resolution: {integrity: sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==}
     engines: {node: '>=10'}
     hasBin: true
 
@@ -829,6 +830,9 @@ packages:
   zod@4.1.12:
     resolution: {integrity: sha512-JInaHOamG8pt5+Ey8kGmdcAcg3OL9reK8ltczgHTAwNhMys/6ThXHityHxVV2p3fkw/c+MAvBHFVYHFZDmjMCQ==}
 
+  zod@4.3.6:
+    resolution: {integrity: sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==}
+
 snapshots:
 
   '@cfworker/json-schema@4.1.1': {}
@@ -918,24 +922,24 @@ snapshots:
       camelcase: 6.3.0
       decamelize: 1.2.0
       js-tiktoken: 1.0.21
-      langsmith: 0.3.76(openai@6.18.0(zod@3.25.76))
+      langsmith: 0.3.87(openai@6.18.0(zod@3.25.76))
       mustache: 4.2.0
       p-queue: 6.6.2
       p-retry: 4.6.2
       uuid: 10.0.0
-      zod: 4.1.12
+      zod: 4.3.6
     transitivePeerDependencies:
       - '@opentelemetry/api'
       - '@opentelemetry/exporter-trace-otlp-proto'
       - '@opentelemetry/sdk-trace-base'
       - openai
 
-  '@langchain/langgraph-checkpoint@1.0.0(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))':
+  '@langchain/langgraph-checkpoint@1.0.1(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))':
     dependencies:
       '@langchain/core': 1.0.2(openai@6.18.0(zod@3.25.76))
       uuid: 10.0.0
 
-  '@langchain/langgraph-sdk@1.0.0(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))':
+  '@langchain/langgraph-sdk@1.0.3(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))':
     dependencies:
       p-queue: 6.6.2
       p-retry: 4.6.2
@@ -946,8 +950,8 @@ snapshots:
   '@langchain/langgraph@1.0.1(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))(zod-to-json-schema@3.24.6(zod@3.25.76))(zod@3.25.76)':
     dependencies:
       '@langchain/core': 1.0.2(openai@6.18.0(zod@3.25.76))
-      '@langchain/langgraph-checkpoint': 1.0.0(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))
-      '@langchain/langgraph-sdk': 1.0.0(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))
+      '@langchain/langgraph-checkpoint': 1.0.1(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))
+      '@langchain/langgraph-sdk': 1.0.3(@langchain/core@1.0.2(openai@6.18.0(zod@3.25.76)))
       uuid: 10.0.0
       zod: 3.25.76
     optionalDependencies:
@@ -1300,14 +1304,13 @@ snapshots:
       readable-stream: 2.3.8
       setimmediate: 1.0.5
 
-  langsmith@0.3.76(openai@6.18.0(zod@3.25.76)):
+  langsmith@0.3.87(openai@6.18.0(zod@3.25.76)):
     dependencies:
       '@types/uuid': 10.0.0
       chalk: 4.1.2
       console-table-printer: 2.15.0
       p-queue: 6.6.2
-      p-retry: 4.6.2
-      semver: 7.7.3
+      semver: 7.7.4
       uuid: 10.0.0
     optionalDependencies:
       openai: 6.18.0(zod@3.25.76)
@@ -1449,7 +1452,7 @@ snapshots:
 
   safer-buffer@2.1.2: {}
 
-  semver@7.7.3: {}
+  semver@7.7.4: {}
 
   send@1.2.0:
     dependencies:
@@ -1587,3 +1590,5 @@ snapshots:
   zod@3.25.76: {}
 
   zod@4.1.12: {}
+
+  zod@4.3.6: {}