diff --git a/backend/package-lock.json b/backend/package-lock.json
index 77e64fb..9b6748e 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -733,25 +733,41 @@
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       "license": "MIT",
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+        "ajv-formats": "^3.0.1",
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         "cors": "^2.8.5",
-        "cross-spawn": "^7.0.3",
+        "cross-spawn": "^7.0.5",
         "eventsource": "^3.0.2",
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         "express": "^5.0.1",
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-        "zod": "^3.23.8",
-        "zod-to-json-schema": "^3.24.1"
+        "zod": "^3.25 || ^4.0",
+        "zod-to-json-schema": "^3.25.0"
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@@ -768,6 +784,23 @@
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@@ -883,6 +916,13 @@
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+      "license": "MIT"
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@@ -1025,6 +1065,27 @@
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+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.13.tgz",
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+      "license": "MIT",
+      "peer": true,
+      "funding": {
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+      }
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+      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.0.tgz",
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+      "dev": true,
+      "license": "ISC",
+      "peerDependencies": {
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@@ -2545,6 +2610,48 @@
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+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-3.0.1.tgz",
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
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+      "license": "MIT",
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+        "fast-uri": "^3.0.1",
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+        "url": "https://github.com/sponsors/epoberezkin"
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+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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+      "license": "MIT"
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@@ -3542,6 +3651,23 @@
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+      "funding": [
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+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
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+      "license": "BSD-3-Clause"
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@@ -3992,6 +4118,16 @@
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       "license": "ISC"
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+    "node_modules/jose": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.1.3.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
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@@ -4861,6 +4997,16 @@
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+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
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+      "license": "MIT",
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       "dev": true,
       "license": "Apache-2.0",
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@@ -5995,16 +6146,6 @@
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-      "license": "ISC",
-      "peerDependencies": {
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 }