chore: update OpenAPI spec from monorepo (#774)

Co-authored-by: OpenRouter SDK Bot <sdk-bot@openrouter.ai>

Author: openrouter-docs-sync[bot]

.speakeasy/in.openapi.yaml

@@ -12933,17 +12933,7 @@ components:
             output_tokens_details:
               $ref: '#/components/schemas/AnthropicOutputTokensDetails'
             server_tool_use:
-              properties:
-                web_fetch_requests:
-                  type: 'integer'
-                web_search_requests:
-                  type: 'integer'
-              required:
-                - 'web_search_requests'
-                - 'web_fetch_requests'
-              type:
-                - 'object'
-                - 'null'
+              $ref: '#/components/schemas/ORAnthropicServerToolUsage'
           required:
             - 'input_tokens'
             - 'output_tokens'
@@ -13763,6 +13753,8 @@ components:
                       items:
                         $ref: '#/components/schemas/AnthropicUsageIteration'
                       type: 'array'
+                    server_tool_use:
+                      $ref: '#/components/schemas/ORAnthropicServerToolUsage'
                     service_tier:
                       type:
                         - 'string'
@@ -18318,6 +18310,27 @@ components:
         - $ref: '#/components/schemas/AnthropicCodeExecution20250825Caller'
         - $ref: '#/components/schemas/AnthropicCodeExecution20260120Caller'
         - type: 'null'
+    ORAnthropicServerToolUsage:
+      example:
+        tool_calls_executed: 1
+        tool_calls_requested: 1
+        web_fetch_requests: 0
+        web_search_requests: 0
+      properties:
+        tool_calls_executed:
+          type: 'integer'
+        tool_calls_requested:
+          type: 'integer'
+        web_fetch_requests:
+          type: 'integer'
+        web_search_requests:
+          type: 'integer'
+      required:
+        - 'web_search_requests'
+        - 'web_fetch_requests'
+      type:
+        - 'object'
+        - 'null'
     ORAnthropicServerToolUseBlock:
       example:
         caller: