feat: Add responses and safety impl with extra body

docs/static/deprecated-llama-stack-spec.yaml

@@ -6551,6 +6551,20 @@ components:
           url_citation: '#/components/schemas/OpenAIResponseAnnotationCitation'
           container_file_citation: '#/components/schemas/OpenAIResponseAnnotationContainerFileCitation'
           file_path: '#/components/schemas/OpenAIResponseAnnotationFilePath'
+    OpenAIResponseContentPartRefusal:
+      type: object
+      properties:
+        type:
+          type: string
+          const: refusal
+          default: refusal
+        refusal:
+          type: string
+      additionalProperties: false
+      required:
+        - type
+        - refusal
+      title: OpenAIResponseContentPartRefusal
     OpenAIResponseError:
       type: object
       properties:
@@ -6972,6 +6986,15 @@ components:
           mcp_list_tools: '#/components/schemas/OpenAIResponseOutputMessageMCPListTools'
           mcp_approval_request: '#/components/schemas/OpenAIResponseMCPApprovalRequest'
     OpenAIResponseOutputMessageContent:
+      oneOf:
+        - $ref: '#/components/schemas/OpenAIResponseOutputMessageContentOutputText'
+        - $ref: '#/components/schemas/OpenAIResponseContentPartRefusal'
+      discriminator:
+        propertyName: type
+        mapping:
+          output_text: '#/components/schemas/OpenAIResponseOutputMessageContentOutputText'
+          refusal: '#/components/schemas/OpenAIResponseContentPartRefusal'
+    "OpenAIResponseOutputMessageContentOutputText":
       type: object
       properties:
         text: