Module models 

Data models for VS Code chat sessions

Structs

ChatMessage

User message in a chat request

ChatRequest

A single chat request (message + response)

ChatResponse

AI response in a chat request

ChatSession

VS Code Chat Session (version 3 format)

ChatSessionIndex

VS Code chat session index (stored in state.vscdb)

ChatSessionIndexEntry

Entry in the chat session index

ChatSessionTiming

Session timing information (VS Code 1.109+) Supports both old format (startTime/endTime) and new format (created/lastRequestStarted/lastRequestEnded)

ModelCacheEntry

Entry in the agentSessions.model.cache DB key. This cache drives the Chat panel sidebar in VS Code — sessions must have a model cache entry to be visible in the UI.

SessionWithPath

Session with its file path for internal processing

StateCacheEntry

Entry in the agentSessions.state.cache DB key. Tracks read timestamps per session for UI state (e.g., unread indicators).

Workspace

VS Code workspace information

WorkspaceJson

VS Code workspace.json structure