diff --git a/apps/client-webext/package.json b/apps/client-webext/package.json
index df3b07d..dfe2036 100644
--- a/apps/client-webext/package.json
+++ b/apps/client-webext/package.json
@@ -16,7 +16,7 @@
     "type-check": "vue-tsc --noEmit"
   },
   "dependencies": {
-    "@ai-sdk/anthropic": "^2.0.38",
+    "@ai-sdk/anthropic": "^4.0.20",
     "@ai-sdk/google": "^2.0.24",
     "@ai-sdk/openai": "^2.0.56",
     "@ai-sdk/openai-compatible": "^1.0.24",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 43a8cc5..4925204 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -220,8 +220,8 @@ importers:
   apps/client-webext:
     dependencies:
       '@ai-sdk/anthropic':
-        specifier: ^2.0.38
-        version: 2.0.89(zod@4.4.3)
+        specifier: ^4.0.20
+        version: 4.0.20(zod@4.4.3)
       '@ai-sdk/google':
         specifier: ^2.0.24
         version: 2.0.84(zod@4.4.3)
@@ -494,9 +494,9 @@ packages:
   '@1natsu/wait-element@4.2.0':
     resolution: {integrity: sha512-Om0Q+WE9mNrpY4AwMTvkFiYHv8VM7TML3PvOqXy+w6kAjLjKhGYHYX+305+a6J8RVpds9s7IF2Z5aOPYwULFNw==}
 
-  '@ai-sdk/anthropic@2.0.89':
-    resolution: {integrity: sha512-N1mNjuYRM3vmP5/o4Ir1upDBdoSk+qVEIEYZ2Zl02i1rVumEjPb10bODygDjkNXd8SOtVcK5vgDMg4VrODinSA==}
-    engines: {node: '>=18'}
+  '@ai-sdk/anthropic@4.0.20':
+    resolution: {integrity: sha512-5QdZt6AkWIKIKuwRSjAQIBhN0JSSvthaIcAJKTHP7HPCvWMcNJFF6rz0uKfUlpI3h7nVbY+1Cy5dNl5zjzJ6qA==}
+    engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
@@ -530,10 +530,20 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
+  '@ai-sdk/provider-utils@5.0.12':
+    resolution: {integrity: sha512-bbhlOgHeYwrIGheLkM6fhS8hVger8uFPmcOLg+kxc9EFh7y30XYorWhthlYAgpadO3SJhFZrIcEknN7qEqEVvA==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
+
   '@ai-sdk/provider@2.0.3':
     resolution: {integrity: sha512-h88OPkavHTiN9tMn2l5awAznGB0lXzjcLhgR1/rvjB2zlLprsNxbM2tt6OJsHUxduLC3klq0/eqaSf6fX5XVww==}
     engines: {node: '>=18'}
 
+  '@ai-sdk/provider@4.0.3':
+    resolution: {integrity: sha512-e0CpNWJUY7OxAFAnCZkw+ri9QOHWwTs1tXP42782KFGCU07qt8NiXCrCVowyCB5dP2r5/Uls+g2oPd8kOJn9dw==}
+    engines: {node: '>=22'}
+
   '@ai-sdk/vue@2.0.219':
     resolution: {integrity: sha512-HdF9cRu5Fppl08e8deonDLVoIs8hjOB/y+76LqvIacB4rRFzx1s3BctJ6+P7wqDeJLIGK7kWRIfDdE08qxXJNg==}
     engines: {node: '>=18'}
@@ -3016,6 +3026,9 @@ packages:
   '@webext-core/match-patterns@1.1.0':
     resolution: {integrity: sha512-vebVVbcOyva4jyvljIzRJwjFi/OKMLr96LIIxiPeXfA38gE4Z3+H6Y9DwRmn7pWErJGNNHU6XOhOb5ZwicGs7Q==}
 
+  '@workflow/serde@4.1.0':
+    resolution: {integrity: sha512-pav4F2BoirECWR7Nf1TKt+2eETcBj7jj4cBefQ8VXQCA6NPkaKeLfj/zMgi+3zYV5ZIBT4GuUiphsj0/b9hPQQ==}
+
   '@wxt-dev/browser@0.1.43':
     resolution: {integrity: sha512-RMB0zgfe7uuiTp18s9taLeKXoOCLBV418797dnEggiMWmM1JDJekiLtlvrNc6QeZg+amDBy2/KKYuQB2kh/K9A==}
 
@@ -3850,6 +3863,7 @@ packages:
   eslint@9.39.5:
     resolution: {integrity: sha512-DgZS62aPLXKlnxILS/AYCoRvHaZeXceIzlXPkkGGzJWSow1aEk0lbTlxUSlyjC8jcaKxAdOnTDz+o1JFSBsyjw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
+    deprecated: This version is no longer supported. Please see https://eslint.org/version-support for other options.
     hasBin: true
     peerDependencies:
       jiti: '*'
@@ -3890,6 +3904,10 @@ packages:
     resolution: {integrity: sha512-kJezFj9YFAMLeORyi7aCLxLbD5/qWMQnoMVlVPyHIll7lgRJCc3JVln9Vgl9nwQi0YkMnhdGTMNn7CkRRAptMg==}
     engines: {node: '>=18.0.0'}
 
+  eventsource-parser@3.1.1:
+    resolution: {integrity: sha512-EKN1vKAMcZ8MlYMpaNuxN6R9yakzH6uajHcHVTqWJzvu5pWw9DyhbP35HH8MVBQ+dZjAfDxk+A8NiR9KWaXiyQ==}
+    engines: {node: '>=18.0.0'}
+
   execa@9.6.0:
     resolution: {integrity: sha512-jpWzZ1ZhwUmeWRhS7Qv3mhpOhLfwI+uAX4e5fOcXqwMR7EcJ0pj2kV1CVzHVMX/LphnKWD3LObjZCoJ71lKpHw==}
     engines: {node: ^18.19.0 || >=20.5.0}
@@ -6353,10 +6371,10 @@ snapshots:
       defu: 6.1.7
       many-keys-map: 3.0.3
 
-  '@ai-sdk/anthropic@2.0.89(zod@4.4.3)':
+  '@ai-sdk/anthropic@4.0.20(zod@4.4.3)':
     dependencies:
-      '@ai-sdk/provider': 2.0.3
-      '@ai-sdk/provider-utils': 3.0.30(zod@4.4.3)
+      '@ai-sdk/provider': 4.0.3
+      '@ai-sdk/provider-utils': 5.0.12(zod@4.4.3)
       zod: 4.4.3
 
   '@ai-sdk/gateway@2.0.118(zod@4.4.3)':
@@ -6391,10 +6409,22 @@ snapshots:
       eventsource-parser: 3.1.0
       zod: 4.4.3
 
+  '@ai-sdk/provider-utils@5.0.12(zod@4.4.3)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.3
+      '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
+      eventsource-parser: 3.1.1
+      zod: 4.4.3
+
   '@ai-sdk/provider@2.0.3':
     dependencies:
       json-schema: 0.4.0
 
+  '@ai-sdk/provider@4.0.3':
+    dependencies:
+      json-schema: 0.4.0
+
   '@ai-sdk/vue@2.0.219(vue@3.5.40(typescript@5.9.3))(zod@4.4.3)':
     dependencies:
       '@ai-sdk/provider-utils': 3.0.30(zod@4.4.3)
@@ -8718,6 +8748,8 @@ snapshots:
 
   '@webext-core/match-patterns@1.1.0': {}
 
+  '@workflow/serde@4.1.0': {}
+
   '@wxt-dev/browser@0.1.43':
     dependencies:
       '@types/filesystem': 0.0.36
@@ -9517,6 +9549,8 @@ snapshots:
 
   eventsource-parser@3.1.0: {}
 
+  eventsource-parser@3.1.1: {}
+
   execa@9.6.0:
     dependencies:
       '@sindresorhus/merge-streams': 4.0.0