test

# What does this PR do?


## Test Plan

docs/static/stainless-llama-stack-spec.html

@@ -7214,12 +7214,36 @@
                     "user": {
                         "type": "string",
                         "description": "(Optional) The user to use."
+                    },
+                    "kwargs": {
+                        "oneOf": [
+                            {
+                                "type": "null"
+                            },
+                            {
+                                "type": "boolean"
+                            },
+                            {
+                                "type": "number"
+                            },
+                            {
+                                "type": "string"
+                            },
+                            {
+                                "type": "array"
+                            },
+                            {
+                                "type": "object"
+                            }
+                        ],
+                        "description": "(Optional) Additional provider-specific parameters to pass through as extra_body (e.g., chat_template_kwargs for vLLM)."
                     }
                 },
                 "additionalProperties": false,
                 "required": [
                     "model",
-                    "messages"
+                    "messages",
+                    "kwargs"
                 ],
                 "title": "OpenaiChatCompletionRequest"
             },