Module message 

Session messages — the unit of observable work. Every prompt, tool call, tool result, and assistant reply flows as one of these.

Structs

FileChange

MessageIdentity

Identity of the entity that produced a message.

PartsUpdate

SessionMessage

Complete session message.

SessionMessageDelta

Incremental update applied to an existing SessionMessage by message_id.

TreeNode

Enums

ButtonStyle

ContentPart

Rich structured content. Discriminated on kind — unknown kinds deserialize into ContentPart::Unknown and are rendered as raw JSON.

IdentityType

Who produced a message. Every message carries one.

MessageRole

Role discriminator on each SessionMessage. Simple frontends render based on role alone.

TreeNodeType