chore: update OpenAPI spec from monorepo

.speakeasy/in.openapi.yaml

@@ -9482,6 +9482,7 @@ components:
           openrouter:browser_use: '#/components/schemas/OutputBrowserUseServerToolItem'
           openrouter:code_interpreter: '#/components/schemas/OutputCodeInterpreterServerToolItem'
           openrouter:datetime: '#/components/schemas/OutputDatetimeItem'
+          openrouter:experimental__search_models: '#/components/schemas/OutputSearchModelsServerToolItem'
           openrouter:file_search: '#/components/schemas/OutputFileSearchServerToolItem'
           openrouter:image_generation: '#/components/schemas/OutputImageGenerationServerToolItem'
           openrouter:mcp: '#/components/schemas/OutputMcpServerToolItem'
@@ -9523,6 +9524,7 @@ components:
         - $ref: '#/components/schemas/OutputToolSearchServerToolItem'
         - $ref: '#/components/schemas/OutputMemoryServerToolItem'
         - $ref: '#/components/schemas/OutputMcpServerToolItem'
+        - $ref: '#/components/schemas/OutputSearchModelsServerToolItem'
     OutputItemWebSearchCall:
       example:
         action:
@@ -9765,6 +9767,32 @@ components:
           - text: Analyzed the problem and found the optimal solution.
             type: summary_text
         type: reasoning
+    OutputSearchModelsServerToolItem:
+      description: An openrouter:experimental__search_models server tool output item
+      example:
+        arguments: '{"query":"Claude Opus"}'
+        id: sm_tmp_abc123
+        query: Claude Opus
+        status: completed
+        type: openrouter:experimental__search_models
+      properties:
+        arguments:
+          description: The JSON arguments submitted to the search tool (e.g. {"query":"Claude"})
+          type: string
+        id:
+          type: string
+        query:
+          type: string
+        status:
+          $ref: '#/components/schemas/ToolCallStatus'
+        type:
+          enum:
+            - openrouter:experimental__search_models
+          type: string
+      required:
+        - status
+        - type
+      type: object
     OutputTextEditorServerToolItem:
       description: An openrouter:text_editor server tool output item
       example:
@@ -14819,6 +14847,11 @@ paths:
                         description: User-Agent header from the request
                         nullable: true
                         type: string
+                      web_search_engine:
+                        description: The resolved web search engine used for this generation (e.g. exa, firecrawl, parallel)
+                        example: exa
+                        nullable: true
+                        type: string
                     required:
                       - id
                       - upstream_id
@@ -14846,6 +14879,7 @@ paths:
                       - num_input_audio_prompt
                       - num_media_completion
                       - num_search_results
+                      - web_search_engine
                       - origin
                       - usage
                       - is_byok