diff --git a/server/package-lock.json b/server/package-lock.json
index 58b318ac..9a0211da 100644
--- a/server/package-lock.json
+++ b/server/package-lock.json
@@ -50,7 +50,7 @@
         "helmet": "^4.1.1",
         "isomorphic-dompurify": "^1.9.0",
         "jose": "^4.15.5",
-        "langchain": "^0.1.37",
+        "langchain": "^1.4.0",
         "mailgun.js": "^10.2.1",
         "marked": "^4.0.10",
         "meilisearch": "^0.55.0",
@@ -94,23 +94,6 @@
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@@ -2088,48 +2071,32 @@
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+      "resolved": "https://registry.npmjs.org/@langchain/core/-/core-1.1.46.tgz",
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-        "https://github.com/sponsors/ctavan"
-      ],
-      "license": "MIT",
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+      "resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-1.3.0.tgz",
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-        "@langchain/langgraph-sdk": "~1.6.5",
+        "@langchain/langgraph-checkpoint": "^1.0.2",
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@@ -2137,7 +2104,7 @@
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+      "resolved": "https://registry.npmjs.org/@langchain/langgraph-checkpoint/-/langgraph-checkpoint-1.0.2.tgz",
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@@ -2159,13 +2126,14 @@
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       },
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+        "@langchain/core": "^1.1.44"
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+      "deprecated": "uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).",
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@@ -2176,30 +2144,36 @@
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+      "version": "1.9.2",
+      "resolved": "https://registry.npmjs.org/@langchain/langgraph-sdk/-/langgraph-sdk-1.9.2.tgz",
+      "integrity": "sha512-1kDPjR0VH/39q2h8k0Sxi35KxOvEQPModVCepxGLlRkbZmuWUH+zfICuJd3rmD1ByeOKQBZEaB7Y+VCYmSMt1w==",
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         "react": "^18 || ^19",
-        "react-dom": "^18 || ^19"
+        "react-dom": "^18 || ^19",
+        "svelte": "^4.0.0 || ^5.0.0",
+        "vue": "^3.0.0"
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-        "@langchain/core": {
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-        },
         "react": {
           "optional": true
         },
         "react-dom": {
           "optional": true
+        },
+        "svelte": {
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+        },
+        "vue": {
+          "optional": true
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@@ -2210,12 +2184,12 @@
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@@ -2238,9 +2212,9 @@
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@@ -2295,125 +2269,12 @@
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+      "resolved": "https://registry.npmjs.org/@langchain/protocol/-/protocol-0.0.15.tgz",
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-      "license": "MIT",
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@@ -4571,12 +4382,6 @@
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diff --git a/server/package.json b/server/package.json
index 7a790a26..f8056b9a 100644
--- a/server/package.json
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