Module models 

Chat/model re-exports shared by tools and persist layers.

Structs

CacheControl

Cache control metadata for tool definitions and blocks.

Message

A chat message with role and content blocks.

MessageDelta

Delta payload for message-level updates.

MessageRequest

Request payload for sending a message to the API.

MessageResponse

Response payload for a message request.

ServerToolUsage

Server-side tool usage counters.

SystemBlock

A structured system prompt block.

Tool

Tool definition exposed to the model.

ToolCaller

Metadata describing who invoked a tool call.

Usage

Token usage metadata for a response.

Enums

ContentBlock

A single content block inside a message.

ContentBlockStart

Content block types used in streaming starts.

Delta

A content delta inside a content_block_delta event.

StreamEvent

Streaming event types for SSE responses.

SystemPrompt

System prompt representation (plain text or structured blocks).

Constants

DEEPSEEK_V4_CONTEXT_WINDOW_TOKENS

LEGACY_DEEPSEEK_CONTEXT_WINDOW_TOKENS

Functions

compaction_threshold_for_model

Suggested compaction token threshold for a given model.

context_window_for_model

Map known models to their approximate context window sizes.