Module chat 

Structs

ChatMessage

A single message in a conversation.

ChatRequest

Request body for text generation.

ChatResponse

Response from a non-streaming chat request.

ChatStream

An async stream of StreamEvents from an SSE chat response.

ChatTool

Defines a function the model can call.

ChatUsage

Token counts and cost for a chat response.

Citation

A source reference from web search grounding.

ContentBlock

A single block in the response content array.

EstimateResponse

Response shape from POST /qai/v1/chat/estimate. Returned by Client::estimate_chat.

StreamDelta

Incremental text in a streaming event.

StreamEvent

A single event from an SSE chat stream.

StreamToolUse

A tool call from a legacy (atomic) streaming event.

StreamToolUseComplete

Tool-call completion event — fires exactly once per call with the server-accumulated, fully-parsed arguments.

StreamToolUseInputDelta

Tool-call input delta — fires zero or more times with raw JSON fragments.

StreamToolUseStart

Tool-call start event — fires once before any input deltas.