Experimental output incompatibility with openapi 3.0

[amalshaji-plivo]

Description

I have the following schema in the experimental output zod schema

z.record(z.string(), z.string())

This generated propertyNames which is incompatible with openapi3.0

 responseBody: "{\n  \"error\": {\n    \"message\": \"Invalid schema for response_format 'response': In context=('properties', 'variables'), 'propertyNames' is not permitted.\",\n    \"type\": \"invalid_request_error\",\n    \"param\": \"response_format\",\n    \"code\": null\n  }\n}",

zod has a fix for this by passing the target when converting to jsonSchema colinhacks/zod#4841

For now, a fallback is to use jsonSchema

schema: jsonSchema(
	z.toJSONSchema(MessageResponseSchema as any, {
		target: "openapi-3.0",
	}),
),

AI SDK Version

• ai: 5.0.60
• ai-sdk/azure: 2.0.30

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