Missing definitions for required properties

[janodev]

Several objects require properties that don’t appear in the properties list:

• sessions in components.schemas.CostsResult
• logprobs in components.schemas.CreateChatCompletionFunctionResponse
• type in components.schemas.ResponseFormatJsonSchema

Either they should be added to the properties list or removed from the required section.

For anyone using OpenAPI generators, the straightforward fix is to remove them, but if they are required you’ll have to put them back and add their property definition.