diff --git a/demos/real-estate-agent/pnpm-lock.yaml b/demos/real-estate-agent/pnpm-lock.yaml
index 233a04f..c11a948 100644
--- a/demos/real-estate-agent/pnpm-lock.yaml
+++ b/demos/real-estate-agent/pnpm-lock.yaml
@@ -30,15 +30,15 @@ importers:
     optionalDependencies:
       '@ai-sdk/anthropic':
         specifier: ^4.0.53
-        version: 4.0.53(zod@4.6.5)
+        version: 4.0.58(zod@4.6.5)
       '@ai-sdk/openai':
         specifier: ^4.0.66
         version: 4.0.66(zod@4.6.5)
 
 packages:
 
-  '@ai-sdk/anthropic@4.0.53':
-    resolution: {integrity: sha512-JMxAuCFte6mFOvoaUcig3Dp2LObin0wU2Li8ncsveh7hHKW7cG3g1bFjooxn1paxeT8UUf5XMSjhxtXG9wFLig==}
+  '@ai-sdk/anthropic@4.0.58':
+    resolution: {integrity: sha512-vhXKBz7jnIhBlOoj2d0joyHicWISuIxDNha65SLrAnagAkVgulLoZBRLZRazstxlO/BtXU+cDERe1opVKte2OQ==}
     engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
@@ -61,10 +61,20 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
+  '@ai-sdk/provider-utils@5.0.45':
+    resolution: {integrity: sha512-gLuaCups8OCIRz3eO6WWz5op7VLYNNtFzyH0sWUr0FE9v7cTxR0qxDpQdrKnGcql+9WWttobjnZsJVsuEbsPQQ==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
+
   '@ai-sdk/provider@4.0.14':
     resolution: {integrity: sha512-yukP2tbcQQErG5gLCMBGvpvb/rM3D3KlTKG6eKKOdNHLHqtNNDEeBxdYrY/JL+O76B2ig5dXY19H/f1HFSvRiQ==}
     engines: {node: '>=22'}
 
+  '@ai-sdk/provider@4.0.17':
+    resolution: {integrity: sha512-VYMBxIQdcHqbIf1j+YZlI9Ati6LZ4wJe0GGd4z4a5H/KxTggjeOiyaVYTnfF7LHZK5jMQ+rofmzz4QPqf++NUw==}
+    engines: {node: '>=22'}
+
   '@fastify/accepts@5.0.5':
     resolution: {integrity: sha512-7cxrq+OuSmp0qNAZfOIbOGk9y5K8xFtHT8+D5y2p/6u09EUXV+dOYbv2rMIJ1yYQDXUmUC9m0E5B88HzEys/aw==}
 
@@ -1308,10 +1318,10 @@ packages:
 
 snapshots:
 
-  '@ai-sdk/anthropic@4.0.53(zod@4.6.5)':
+  '@ai-sdk/anthropic@4.0.58(zod@4.6.5)':
     dependencies:
-      '@ai-sdk/provider': 4.0.14
-      '@ai-sdk/provider-utils': 5.0.40(zod@4.6.5)
+      '@ai-sdk/provider': 4.0.17
+      '@ai-sdk/provider-utils': 5.0.45(zod@4.6.5)
       zod: 4.6.5
     optional: true
 
@@ -1338,10 +1348,25 @@ snapshots:
       undici: 7.29.1
       zod: 4.6.5
 
+  '@ai-sdk/provider-utils@5.0.45(zod@4.6.5)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.17
+      '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
+      eventsource-parser: 3.1.1
+      undici: 7.29.1
+      zod: 4.6.5
+    optional: true
+
   '@ai-sdk/provider@4.0.14':
     dependencies:
       json-schema: 0.4.0
 
+  '@ai-sdk/provider@4.0.17':
+    dependencies:
+      json-schema: 0.4.0
+    optional: true
+
   '@fastify/accepts@5.0.5':
     dependencies:
       accepts: 1.3.8
diff --git a/demos/weather-assistant/pnpm-lock.yaml b/demos/weather-assistant/pnpm-lock.yaml
index d094d42..e2f8f06 100644
--- a/demos/weather-assistant/pnpm-lock.yaml
+++ b/demos/weather-assistant/pnpm-lock.yaml
@@ -39,15 +39,15 @@ importers:
     optionalDependencies:
       '@ai-sdk/anthropic':
         specifier: ^4.0.53
-        version: 4.0.53(zod@4.6.5)
+        version: 4.0.58(zod@4.6.5)
       '@ai-sdk/openai':
         specifier: ^4.0.66
         version: 4.0.66(zod@4.6.5)
 
 packages:
 
-  '@ai-sdk/anthropic@4.0.53':
-    resolution: {integrity: sha512-JMxAuCFte6mFOvoaUcig3Dp2LObin0wU2Li8ncsveh7hHKW7cG3g1bFjooxn1paxeT8UUf5XMSjhxtXG9wFLig==}
+  '@ai-sdk/anthropic@4.0.58':
+    resolution: {integrity: sha512-vhXKBz7jnIhBlOoj2d0joyHicWISuIxDNha65SLrAnagAkVgulLoZBRLZRazstxlO/BtXU+cDERe1opVKte2OQ==}
     engines: {node: '>=22'}
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
@@ -70,10 +70,20 @@ packages:
     peerDependencies:
       zod: ^3.25.76 || ^4.1.8
 
+  '@ai-sdk/provider-utils@5.0.45':
+    resolution: {integrity: sha512-gLuaCups8OCIRz3eO6WWz5op7VLYNNtFzyH0sWUr0FE9v7cTxR0qxDpQdrKnGcql+9WWttobjnZsJVsuEbsPQQ==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      zod: ^3.25.76 || ^4.1.8
+
   '@ai-sdk/provider@4.0.14':
     resolution: {integrity: sha512-yukP2tbcQQErG5gLCMBGvpvb/rM3D3KlTKG6eKKOdNHLHqtNNDEeBxdYrY/JL+O76B2ig5dXY19H/f1HFSvRiQ==}
     engines: {node: '>=22'}
 
+  '@ai-sdk/provider@4.0.17':
+    resolution: {integrity: sha512-VYMBxIQdcHqbIf1j+YZlI9Ati6LZ4wJe0GGd4z4a5H/KxTggjeOiyaVYTnfF7LHZK5jMQ+rofmzz4QPqf++NUw==}
+    engines: {node: '>=22'}
+
   '@cbor-extract/cbor-extract-darwin-arm64@2.2.2':
     resolution: {integrity: sha512-ZKZ/F8US7JR92J4DMct6cLW/Y66o2K576+zjlEN/MevH70bFIsB10wkZEQPLzl2oNh2SMGy55xpJ9JoBRl5DOA==}
     cpu: [arm64]
@@ -1384,10 +1394,10 @@ packages:
 
 snapshots:
 
-  '@ai-sdk/anthropic@4.0.53(zod@4.6.5)':
+  '@ai-sdk/anthropic@4.0.58(zod@4.6.5)':
     dependencies:
-      '@ai-sdk/provider': 4.0.14
-      '@ai-sdk/provider-utils': 5.0.40(zod@4.6.5)
+      '@ai-sdk/provider': 4.0.17
+      '@ai-sdk/provider-utils': 5.0.45(zod@4.6.5)
       zod: 4.6.5
     optional: true
 
@@ -1414,10 +1424,25 @@ snapshots:
       undici: 7.29.1
       zod: 4.6.5
 
+  '@ai-sdk/provider-utils@5.0.45(zod@4.6.5)':
+    dependencies:
+      '@ai-sdk/provider': 4.0.17
+      '@standard-schema/spec': 1.1.0
+      '@workflow/serde': 4.1.0
+      eventsource-parser: 3.1.1
+      undici: 7.29.1
+      zod: 4.6.5
+    optional: true
+
   '@ai-sdk/provider@4.0.14':
     dependencies:
       json-schema: 0.4.0
 
+  '@ai-sdk/provider@4.0.17':
+    dependencies:
+      json-schema: 0.4.0
+    optional: true
+
   '@cbor-extract/cbor-extract-darwin-arm64@2.2.2':
     optional: true