chore: update OpenAPI spec [sdk-bot]

Author: OpenRouter SDK Bot

.speakeasy/in.openapi.yaml

@@ -7025,10 +7025,17 @@ components:
     CostDetails:
       description: 'Breakdown of upstream inference costs'
       example:
+        server_tool_cost: null
         upstream_inference_completions_cost: 0.0004
         upstream_inference_cost: null
         upstream_inference_prompt_cost: 0.0008
       properties:
+        server_tool_cost:
+          description: 'Metered server-tool execution cost (for example, shell sandbox time) billed for this request, in USD. Matches the billed checkpoint and settlement amounts exactly.'
+          format: 'double'
+          type:
+            - 'number'
+            - 'null'
         upstream_inference_completions_cost:
           format: 'double'
           type: 'number'
@@ -25837,6 +25844,12 @@ components:
                     - 'null'
                 cost_details:
                   properties:
+                    server_tool_cost:
+                      description: 'Metered server-tool execution cost (for example, shell sandbox time) billed for this request, in USD. Matches the billed checkpoint and settlement amounts exactly.'
+                      format: 'double'
+                      type:
+                        - 'number'
+                        - 'null'
                     upstream_inference_cost:
                       format: 'double'
                       type:
@@ -25863,6 +25876,7 @@ components:
       example:
         cost: 0.0012
         cost_details:
+          server_tool_cost: null
           upstream_inference_cost: null
           upstream_inference_input_cost: 0.0008
           upstream_inference_output_cost: 0.0004