Callbacks for managing history instance lifecycle and message handling.
getSystemPrompt: (clientId: string, agentName: string) => string[] | Promise<string[]>
Retrieves dynamic system prompt messages for an agent.
filterCondition: (message: IModelMessage<object>, clientId: string, agentName: string) => boolean | Promise<boolean>
Determines whether a message should be included in the history iteration.
getData: (clientId: string, agentName: string) => IModelMessage<object>[] | Promise<IModelMessage<object>[]>
Fetches initial history data for an agent.
onChange: (data: IModelMessage<object>[], clientId: string, agentName: string) => void
Called when the history array changes (e.g., after push or pop).
onPush: (data: IModelMessage<object>, clientId: string, agentName: string) => void
Called when a new message is pushed to the history.
onPop: (data: IModelMessage<object>, clientId: string, agentName: string) => void
Called when the last message is popped from the history.
onRead: (message: IModelMessage<object>, clientId: string, agentName: string) => void
Called for each message during iteration when reading.
onReadBegin: (clientId: string, agentName: string) => void
Called at the start of a history read operation.
onReadEnd: (clientId: string, agentName: string) => void
Called at the end of a history read operation.
onDispose: (clientId: string) => void
Called when the history instance is disposed.
onInit: (clientId: string) => void
Called when the history instance is initialized.
onRef: (history: IHistoryInstance) => void
Provides a reference to the history instance after creation.