diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 772cb738..4c5b76c9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,10 +21,10 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/llama-stack-client-node' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: (github.event_name == 'push' || github.event.pull_request.head.repo.fork) && (github.event_name != 'push' || github.event.head_commit.message != 'codegen metadata')
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '18'
 
@@ -43,10 +43,10 @@ jobs:
       contents: read
       id-token: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '18'
 
@@ -61,7 +61,7 @@ jobs:
           github.repository == 'stainless-sdks/llama-stack-client-node' &&
           !startsWith(github.ref, 'refs/heads/stl/')
         id: github-oidc
-        uses: actions/github-script@v8
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: core.setOutput('github_token', await core.getIDToken());
 
@@ -80,10 +80,10 @@ jobs:
     runs-on: ${{ github.repository == 'stainless-sdks/llama-stack-client-node' && 'depot-ubuntu-24.04' || 'ubuntu-latest' }}
     if: github.event_name == 'push' || github.event.pull_request.head.repo.fork
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: '20'
 
diff --git a/.github/workflows/release-doctor.yml b/.github/workflows/release-doctor.yml
index 6608df33..92dd23ad 100644
--- a/.github/workflows/release-doctor.yml
+++ b/.github/workflows/release-doctor.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'ogx-ai/ogx-client-typescript' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch' || startsWith(github.head_ref, 'release-please') || github.head_ref == 'next')
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Check release environment
         run: |
diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5fcdf117..92efb56c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.5.0-alpha.5"
+  ".": "0.5.0-alpha.6"
 }
diff --git a/.stats.yml b/.stats.yml
index 3b60db3f..262002ae 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 67
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/llamastack/llama-stack-client-0a1c852eda740c79412d2aa642e24f7ed057e69e472885e8fb9463e3d5515b55.yml
-openapi_spec_hash: 36c10a2fd3d75032e220697bd5b30b7f
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/llamastack/llama-stack-client-9efa42764597a51fe41e4de7533252cd7a62b5d34cf74021dd818d5344b90de7.yml
+openapi_spec_hash: e964910532c33975390739a9d635fd2b
 config_hash: 3d294831d7b8066ba59a8934b980a943
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3fb40c4..90b9305a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 0.5.0-alpha.6 (2026-06-01)
+
+Full Changelog: [v0.5.0-alpha.5...v0.5.0-alpha.6](https://github.com/ogx-ai/ogx-client-typescript/compare/v0.5.0-alpha.5...v0.5.0-alpha.6)
+
+### ⚠ BREAKING CHANGES
+
+* **api:** add post-generation schema transforms for Responses API conformance
+
+### Bug Fixes
+
+* **api:** add post-generation schema transforms for Responses API conformance ([59d5f80](https://github.com/ogx-ai/ogx-client-typescript/commit/59d5f806e394ca40034b70c3277895d4b786e6cf))
+* **api:** fix field-level schema mismatches in Responses models ([a4364a3](https://github.com/ogx-ai/ogx-client-typescript/commit/a4364a3ab2f046d3b29267d5db75c147e564ecad))
+* **brave-search:** align result slicing with search_context_size count ([0b0984e](https://github.com/ogx-ai/ogx-client-typescript/commit/0b0984ead8282130b2f6f5380736753e957a4d8b))
+
 ## 0.5.0-alpha.5 (2026-05-12)
 
 Full Changelog: [v0.5.0-alpha.4...v0.5.0-alpha.5](https://github.com/ogx-ai/ogx-client-typescript/compare/v0.5.0-alpha.4...v0.5.0-alpha.5)
diff --git a/package.json b/package.json
index 160be2fd..c3a9c384 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ogx-client",
-  "version": "0.5.0-alpha.5",
+  "version": "0.5.0-alpha.6",
   "description": "The official TypeScript library for the Ogx Client API",
   "author": "Ogx Client <contributors@ogx.dev>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/conversations/conversations.ts b/src/resources/conversations/conversations.ts
index 2e8b2514..743d1e08 100644
--- a/src/resources/conversations/conversations.ts
+++ b/src/resources/conversations/conversations.ts
@@ -113,7 +113,7 @@ export interface ConversationCreateParams {
    */
   items?: Array<
     | ConversationCreateParams.OpenAIResponseMessageInput
-    | ConversationCreateParams.OpenAIResponseOutputMessageWebSearchToolCall
+    | ConversationCreateParams.OpenAIResponseOutputMessageWebSearchToolCallInput
     | ConversationCreateParams.OpenAIResponseOutputMessageFileSearchToolCall
     | ConversationCreateParams.OpenAIResponseOutputMessageFunctionToolCall
     | ConversationCreateParams.OpenAIResponseInputFunctionToolCallOutput
@@ -335,14 +335,69 @@ export namespace ConversationCreateParams {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallInput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallInput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
diff --git a/src/resources/conversations/items.ts b/src/resources/conversations/items.ts
index abe6aedd..307e0da9 100644
--- a/src/resources/conversations/items.ts
+++ b/src/resources/conversations/items.ts
@@ -103,7 +103,7 @@ export interface ItemCreateResponse {
    */
   data: Array<
     | ItemCreateResponse.OpenAIResponseMessageOutput
-    | ItemCreateResponse.OpenAIResponseOutputMessageWebSearchToolCall
+    | ItemCreateResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | ItemCreateResponse.OpenAIResponseOutputMessageFileSearchToolCall
     | ItemCreateResponse.OpenAIResponseOutputMessageFunctionToolCall
     | ItemCreateResponse.OpenAIResponseInputFunctionToolCallOutput
@@ -340,14 +340,69 @@ export namespace ItemCreateResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -614,7 +669,7 @@ export namespace ItemCreateResponse {
  */
 export type ItemListResponse =
   | ItemListResponse.OpenAIResponseMessageOutput
-  | ItemListResponse.OpenAIResponseOutputMessageWebSearchToolCall
+  | ItemListResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
   | ItemListResponse.OpenAIResponseOutputMessageFileSearchToolCall
   | ItemListResponse.OpenAIResponseOutputMessageFunctionToolCall
   | ItemListResponse.OpenAIResponseInputFunctionToolCallOutput
@@ -829,14 +884,69 @@ export namespace ItemListResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -1103,7 +1213,7 @@ export namespace ItemListResponse {
  */
 export type ItemGetResponse =
   | ItemGetResponse.OpenAIResponseMessageOutput
-  | ItemGetResponse.OpenAIResponseOutputMessageWebSearchToolCall
+  | ItemGetResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
   | ItemGetResponse.OpenAIResponseOutputMessageFileSearchToolCall
   | ItemGetResponse.OpenAIResponseOutputMessageFunctionToolCall
   | ItemGetResponse.OpenAIResponseInputFunctionToolCallOutput
@@ -1318,14 +1428,69 @@ export namespace ItemGetResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -1592,7 +1757,7 @@ export interface ItemCreateParams {
    */
   items: Array<
     | ItemCreateParams.OpenAIResponseMessageInput
-    | ItemCreateParams.OpenAIResponseOutputMessageWebSearchToolCall
+    | ItemCreateParams.OpenAIResponseOutputMessageWebSearchToolCallInput
     | ItemCreateParams.OpenAIResponseOutputMessageFileSearchToolCall
     | ItemCreateParams.OpenAIResponseOutputMessageFunctionToolCall
     | ItemCreateParams.OpenAIResponseInputFunctionToolCallOutput
@@ -1809,14 +1974,69 @@ export namespace ItemCreateParams {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallInput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallInput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
diff --git a/src/resources/responses/input-items.ts b/src/resources/responses/input-items.ts
index b90bcc40..bb427c3a 100644
--- a/src/resources/responses/input-items.ts
+++ b/src/resources/responses/input-items.ts
@@ -41,7 +41,7 @@ export class InputItems extends APIResource {
 export interface InputItemListResponse {
   data: Array<
     | InputItemListResponse.OpenAIResponseMessageOutput
-    | InputItemListResponse.OpenAIResponseOutputMessageWebSearchToolCall
+    | InputItemListResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | InputItemListResponse.OpenAIResponseOutputMessageFileSearchToolCall
     | InputItemListResponse.OpenAIResponseOutputMessageFunctionToolCall
     | InputItemListResponse.OpenAIResponseOutputMessageMcpCall
@@ -260,14 +260,69 @@ export namespace InputItemListResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
diff --git a/src/resources/responses/responses.ts b/src/resources/responses/responses.ts
index 3ec8e9ea..25a93d43 100644
--- a/src/resources/responses/responses.ts
+++ b/src/resources/responses/responses.ts
@@ -101,7 +101,7 @@ export interface CompactedResponse {
 
   output: Array<
     | CompactedResponse.OpenAIResponseMessageOutput
-    | CompactedResponse.OpenAIResponseOutputMessageWebSearchToolCall
+    | CompactedResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | CompactedResponse.OpenAIResponseOutputMessageFileSearchToolCall
     | CompactedResponse.OpenAIResponseOutputMessageFunctionToolCall
     | CompactedResponse.OpenAIResponseOutputMessageMcpCall
@@ -325,14 +325,69 @@ export namespace CompactedResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -657,9 +712,64 @@ export namespace ResponseInput {
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCall {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -1131,7 +1241,7 @@ export interface ResponseObject {
 
   output: Array<
     | ResponseObject.OpenAIResponseMessageOutput
-    | ResponseObject.OpenAIResponseOutputMessageWebSearchToolCall
+    | ResponseObject.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | ResponseObject.OpenAIResponseOutputMessageFileSearchToolCall
     | ResponseObject.OpenAIResponseOutputMessageFunctionToolCall
     | ResponseObject.OpenAIResponseOutputMessageMcpCall
@@ -1166,7 +1276,7 @@ export interface ResponseObject {
 
   max_tool_calls?: number | null;
 
-  metadata?: { [key: string]: string } | null;
+  metadata?: unknown;
 
   object?: 'response';
 
@@ -1225,7 +1335,11 @@ export interface ResponseObject {
 
   top_p?: number;
 
-  truncation?: string | null;
+  /**
+   * Controls how the service truncates input when it exceeds the model context
+   * window.
+   */
+  truncation?: 'auto' | 'disabled';
 
   /**
    * Usage information for OpenAI response.
@@ -1437,14 +1551,69 @@ export namespace ResponseObject {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -1695,6 +1864,11 @@ export namespace ResponseObject {
   export interface Reasoning {
     effort?: 'none' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh' | null;
 
+    /**
+     * @deprecated Deprecated: use 'summary' instead.
+     */
+    generate_summary?: 'auto' | 'concise' | 'detailed' | null;
+
     /**
      * Summary mode for reasoning output. One of 'auto', 'concise', or 'detailed'.
      */
@@ -1788,9 +1962,43 @@ export namespace ResponseObject {
    * Web search tool configuration for OpenAI response inputs.
    */
   export interface OpenAIResponseInputToolWebSearch {
-    search_context_size?: string | null;
+    /**
+     * Domain filters for web search results.
+     */
+    filters?: OpenAIResponseInputToolWebSearch.Filters | null;
+
+    search_context_size?: 'low' | 'medium' | 'high' | null;
 
     type?: 'web_search' | 'web_search_preview' | 'web_search_preview_2025_03_11' | 'web_search_2025_08_26';
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    user_location?: OpenAIResponseInputToolWebSearch.UserLocation | null;
+  }
+
+  export namespace OpenAIResponseInputToolWebSearch {
+    /**
+     * Domain filters for web search results.
+     */
+    export interface Filters {
+      allowed_domains?: Array<string> | null;
+    }
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    export interface UserLocation {
+      city?: string | null;
+
+      country?: string | null;
+
+      region?: string | null;
+
+      timezone?: string | null;
+
+      type?: 'approximate';
+    }
   }
 
   /**
@@ -2059,9 +2267,64 @@ export namespace ResponseObjectStream {
 
       status: string;
 
+      /**
+       * Web search action: performs a search query.
+       */
+      action?:
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionSearch
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionOpenPage
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionFind
+        | null;
+
       type?: 'web_search_call';
     }
 
+    export namespace OpenAIResponseOutputMessageWebSearchToolCall {
+      /**
+       * Web search action: performs a search query.
+       */
+      export interface WebSearchActionSearch {
+        query: string;
+
+        queries?: Array<string> | null;
+
+        sources?: Array<WebSearchActionSearch.Source> | null;
+
+        type?: 'search';
+      }
+
+      export namespace WebSearchActionSearch {
+        /**
+         * A source URL returned by a web search action.
+         */
+        export interface Source {
+          url: string;
+
+          type?: 'url';
+        }
+      }
+
+      /**
+       * Web search action: opens a specific URL from search results.
+       */
+      export interface WebSearchActionOpenPage {
+        type?: 'open_page';
+
+        url?: string | null;
+      }
+
+      /**
+       * Web search action: searches for a pattern within a loaded page.
+       */
+      export interface WebSearchActionFind {
+        pattern: string;
+
+        url: string;
+
+        type?: 'find_in_page';
+      }
+    }
+
     /**
      * File search tool call output message for OpenAI responses.
      */
@@ -2271,9 +2534,64 @@ export namespace ResponseObjectStream {
 
       status: string;
 
+      /**
+       * Web search action: performs a search query.
+       */
+      action?:
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionSearch
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionOpenPage
+        | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionFind
+        | null;
+
       type?: 'web_search_call';
     }
 
+    export namespace OpenAIResponseOutputMessageWebSearchToolCall {
+      /**
+       * Web search action: performs a search query.
+       */
+      export interface WebSearchActionSearch {
+        query: string;
+
+        queries?: Array<string> | null;
+
+        sources?: Array<WebSearchActionSearch.Source> | null;
+
+        type?: 'search';
+      }
+
+      export namespace WebSearchActionSearch {
+        /**
+         * A source URL returned by a web search action.
+         */
+        export interface Source {
+          url: string;
+
+          type?: 'url';
+        }
+      }
+
+      /**
+       * Web search action: opens a specific URL from search results.
+       */
+      export interface WebSearchActionOpenPage {
+        type?: 'open_page';
+
+        url?: string | null;
+      }
+
+      /**
+       * Web search action: searches for a pattern within a loaded page.
+       */
+      export interface WebSearchActionFind {
+        pattern: string;
+
+        url: string;
+
+        type?: 'find_in_page';
+      }
+    }
+
     /**
      * File search tool call output message for OpenAI responses.
      */
@@ -3402,9 +3720,64 @@ export namespace ResponseOutput {
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCall.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCall {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -3587,7 +3960,7 @@ export interface ResponseListResponse {
 
   input: Array<
     | ResponseListResponse.OpenAIResponseMessageOutput
-    | ResponseListResponse.OpenAIResponseOutputMessageWebSearchToolCall
+    | ResponseListResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | ResponseListResponse.OpenAIResponseOutputMessageFileSearchToolCall
     | ResponseListResponse.OpenAIResponseOutputMessageFunctionToolCall
     | ResponseListResponse.OpenAIResponseOutputMessageMcpCall
@@ -3603,7 +3976,7 @@ export interface ResponseListResponse {
 
   output: Array<
     | ResponseListResponse.OpenAIResponseMessageOutput
-    | ResponseListResponse.OpenAIResponseOutputMessageWebSearchToolCall
+    | ResponseListResponse.OpenAIResponseOutputMessageWebSearchToolCallOutput
     | ResponseListResponse.OpenAIResponseOutputMessageFileSearchToolCall
     | ResponseListResponse.OpenAIResponseOutputMessageFunctionToolCall
     | ResponseListResponse.OpenAIResponseOutputMessageMcpCall
@@ -3697,7 +4070,11 @@ export interface ResponseListResponse {
 
   top_p?: number;
 
-  truncation?: string | null;
+  /**
+   * Controls how the service truncates input when it exceeds the model context
+   * window.
+   */
+  truncation?: 'auto' | 'disabled' | null;
 
   /**
    * Usage information for OpenAI response.
@@ -3909,14 +4286,69 @@ export namespace ResponseListResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -4378,14 +4810,69 @@ export namespace ResponseListResponse {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallOutput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallOutput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallOutput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -4636,6 +5123,11 @@ export namespace ResponseListResponse {
   export interface Reasoning {
     effort?: 'none' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh' | null;
 
+    /**
+     * @deprecated Deprecated: use 'summary' instead.
+     */
+    generate_summary?: 'auto' | 'concise' | 'detailed' | null;
+
     /**
      * Summary mode for reasoning output. One of 'auto', 'concise', or 'detailed'.
      */
@@ -4729,9 +5221,43 @@ export namespace ResponseListResponse {
    * Web search tool configuration for OpenAI response inputs.
    */
   export interface OpenAIResponseInputToolWebSearch {
-    search_context_size?: string | null;
+    /**
+     * Domain filters for web search results.
+     */
+    filters?: OpenAIResponseInputToolWebSearch.Filters | null;
+
+    search_context_size?: 'low' | 'medium' | 'high' | null;
 
     type?: 'web_search' | 'web_search_preview' | 'web_search_preview_2025_03_11' | 'web_search_2025_08_26';
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    user_location?: OpenAIResponseInputToolWebSearch.UserLocation | null;
+  }
+
+  export namespace OpenAIResponseInputToolWebSearch {
+    /**
+     * Domain filters for web search results.
+     */
+    export interface Filters {
+      allowed_domains?: Array<string> | null;
+    }
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    export interface UserLocation {
+      city?: string | null;
+
+      country?: string | null;
+
+      region?: string | null;
+
+      timezone?: string | null;
+
+      type?: 'approximate';
+    }
   }
 
   /**
@@ -4913,7 +5439,7 @@ export interface ResponseCreateParamsBase {
     | string
     | Array<
         | ResponseCreateParams.OpenAIResponseMessageInput
-        | ResponseCreateParams.OpenAIResponseOutputMessageWebSearchToolCall
+        | ResponseCreateParams.OpenAIResponseOutputMessageWebSearchToolCallInput
         | ResponseCreateParams.OpenAIResponseOutputMessageFileSearchToolCall
         | ResponseCreateParams.OpenAIResponseOutputMessageFunctionToolCall
         | ResponseCreateParams.OpenAIResponseOutputMessageMcpCall
@@ -5093,7 +5619,7 @@ export interface ResponseCreateParamsBase {
    * Controls how the service truncates input when it exceeds the model context
    * window.
    */
-  truncation?: 'auto' | 'disabled' | null;
+  truncation?: 'auto' | 'disabled';
 
   [k: string]: unknown;
 }
@@ -5302,14 +5828,69 @@ export namespace ResponseCreateParams {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallInput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallInput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -5646,6 +6227,11 @@ export namespace ResponseCreateParams {
   export interface Reasoning {
     effort?: 'none' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh' | null;
 
+    /**
+     * @deprecated Deprecated: use 'summary' instead.
+     */
+    generate_summary?: 'auto' | 'concise' | 'detailed' | null;
+
     /**
      * Summary mode for reasoning output. One of 'auto', 'concise', or 'detailed'.
      */
@@ -5749,9 +6335,43 @@ export namespace ResponseCreateParams {
    * Web search tool configuration for OpenAI response inputs.
    */
   export interface OpenAIResponseInputToolWebSearch {
-    search_context_size?: string | null;
+    /**
+     * Domain filters for web search results.
+     */
+    filters?: OpenAIResponseInputToolWebSearch.Filters | null;
+
+    search_context_size?: 'low' | 'medium' | 'high' | null;
 
     type?: 'web_search' | 'web_search_preview' | 'web_search_preview_2025_03_11' | 'web_search_2025_08_26';
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    user_location?: OpenAIResponseInputToolWebSearch.UserLocation | null;
+  }
+
+  export namespace OpenAIResponseInputToolWebSearch {
+    /**
+     * Domain filters for web search results.
+     */
+    export interface Filters {
+      allowed_domains?: Array<string> | null;
+    }
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    export interface UserLocation {
+      city?: string | null;
+
+      country?: string | null;
+
+      region?: string | null;
+
+      timezone?: string | null;
+
+      type?: 'approximate';
+    }
   }
 
   /**
@@ -5943,7 +6563,7 @@ export interface ResponseCompactParams {
     | string
     | Array<
         | ResponseCompactParams.OpenAIResponseMessageInput
-        | ResponseCompactParams.OpenAIResponseOutputMessageWebSearchToolCall
+        | ResponseCompactParams.OpenAIResponseOutputMessageWebSearchToolCallInput
         | ResponseCompactParams.OpenAIResponseOutputMessageFileSearchToolCall
         | ResponseCompactParams.OpenAIResponseOutputMessageFunctionToolCall
         | ResponseCompactParams.OpenAIResponseOutputMessageMcpCall
@@ -6207,14 +6827,69 @@ export namespace ResponseCompactParams {
   /**
    * Web search tool call output message for OpenAI responses.
    */
-  export interface OpenAIResponseOutputMessageWebSearchToolCall {
+  export interface OpenAIResponseOutputMessageWebSearchToolCallInput {
     id: string;
 
     status: string;
 
+    /**
+     * Web search action: performs a search query.
+     */
+    action?:
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionSearch
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionOpenPage
+      | OpenAIResponseOutputMessageWebSearchToolCallInput.WebSearchActionFind
+      | null;
+
     type?: 'web_search_call';
   }
 
+  export namespace OpenAIResponseOutputMessageWebSearchToolCallInput {
+    /**
+     * Web search action: performs a search query.
+     */
+    export interface WebSearchActionSearch {
+      query: string;
+
+      queries?: Array<string> | null;
+
+      sources?: Array<WebSearchActionSearch.Source> | null;
+
+      type?: 'search';
+    }
+
+    export namespace WebSearchActionSearch {
+      /**
+       * A source URL returned by a web search action.
+       */
+      export interface Source {
+        url: string;
+
+        type?: 'url';
+      }
+    }
+
+    /**
+     * Web search action: opens a specific URL from search results.
+     */
+    export interface WebSearchActionOpenPage {
+      type?: 'open_page';
+
+      url?: string | null;
+    }
+
+    /**
+     * Web search action: searches for a pattern within a loaded page.
+     */
+    export interface WebSearchActionFind {
+      pattern: string;
+
+      url: string;
+
+      type?: 'find_in_page';
+    }
+  }
+
   /**
    * File search tool call output message for OpenAI responses.
    */
@@ -6481,6 +7156,11 @@ export namespace ResponseCompactParams {
   export interface Reasoning {
     effort?: 'none' | 'minimal' | 'low' | 'medium' | 'high' | 'xhigh' | null;
 
+    /**
+     * @deprecated Deprecated: use 'summary' instead.
+     */
+    generate_summary?: 'auto' | 'concise' | 'detailed' | null;
+
     /**
      * Summary mode for reasoning output. One of 'auto', 'concise', or 'detailed'.
      */
@@ -6520,9 +7200,43 @@ export namespace ResponseCompactParams {
    * Web search tool configuration for OpenAI response inputs.
    */
   export interface OpenAIResponseInputToolWebSearch {
-    search_context_size?: string | null;
+    /**
+     * Domain filters for web search results.
+     */
+    filters?: OpenAIResponseInputToolWebSearch.Filters | null;
+
+    search_context_size?: 'low' | 'medium' | 'high' | null;
 
     type?: 'web_search' | 'web_search_preview' | 'web_search_preview_2025_03_11' | 'web_search_2025_08_26';
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    user_location?: OpenAIResponseInputToolWebSearch.UserLocation | null;
+  }
+
+  export namespace OpenAIResponseInputToolWebSearch {
+    /**
+     * Domain filters for web search results.
+     */
+    export interface Filters {
+      allowed_domains?: Array<string> | null;
+    }
+
+    /**
+     * Approximate user location to refine web search results.
+     */
+    export interface UserLocation {
+      city?: string | null;
+
+      country?: string | null;
+
+      region?: string | null;
+
+      timezone?: string | null;
+
+      type?: 'approximate';
+    }
   }
 
   /**
diff --git a/src/version.ts b/src/version.ts
index de3d1536..65c82dca 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -4,4 +4,4 @@
 // This source code is licensed under the terms described in the LICENSE file in
 // the root directory of this source tree.
 
-export const VERSION = '0.5.0-alpha.5'; // x-release-please-version
+export const VERSION = '0.5.0-alpha.6'; // x-release-please-version
diff --git a/tests/api-resources/responses/responses.test.ts b/tests/api-resources/responses/responses.test.ts
index 57a4ea14..c12c5add 100644
--- a/tests/api-resources/responses/responses.test.ts
+++ b/tests/api-resources/responses/responses.test.ts
@@ -46,7 +46,11 @@ describe('resource responses', () => {
         version: 'version',
       },
       prompt_cache_key: 'prompt_cache_key',
-      reasoning: { effort: 'none', summary: 'auto' },
+      reasoning: {
+        effort: 'none',
+        generate_summary: 'auto',
+        summary: 'auto',
+      },
       service_tier: 'auto',
       store: true,
       stream: false,
@@ -63,7 +67,20 @@ describe('resource responses', () => {
         verbosity: 'low',
       },
       tool_choice: 'auto',
-      tools: [{ search_context_size: 'S?oC"high', type: 'web_search' }],
+      tools: [
+        {
+          filters: { allowed_domains: ['string'] },
+          search_context_size: 'low',
+          type: 'web_search',
+          user_location: {
+            city: 'city',
+            country: 'country',
+            region: 'region',
+            timezone: 'timezone',
+            type: 'approximate',
+          },
+        },
+      ],
       top_logprobs: 0,
       top_p: 0,
       truncation: 'auto',
@@ -158,7 +175,11 @@ describe('resource responses', () => {
       parallel_tool_calls: true,
       previous_response_id: 'previous_response_id',
       prompt_cache_key: 'prompt_cache_key',
-      reasoning: { effort: 'none', summary: 'auto' },
+      reasoning: {
+        effort: 'none',
+        generate_summary: 'auto',
+        summary: 'auto',
+      },
       text: {
         format: {
           description: 'description',
@@ -169,7 +190,20 @@ describe('resource responses', () => {
         },
         verbosity: 'low',
       },
-      tools: [{ search_context_size: 'S?oC"high', type: 'web_search' }],
+      tools: [
+        {
+          filters: { allowed_domains: ['string'] },
+          search_context_size: 'low',
+          type: 'web_search',
+          user_location: {
+            city: 'city',
+            country: 'country',
+            region: 'region',
+            timezone: 'timezone',
+            type: 'approximate',
+          },
+        },
+      ],
     });
   });
 });