Module chat 

Structs

ChatCompletionRequest

Chat Completions request (commonly used subset).

ChatMessage

Minimal Chat message model compatible with the Chat Completions API.

FunctionDef

JSON Schema for a function tool definition in Chat Completions.

ResponseFormat

Response format hint for structured outputs in Chat Completions.

Enums

Role

Chat Completions role enumeration.

ToolDefinition

Chat Completions tool definition (subset).