export type SessionModel = { providerID: string; modelID: string } const sessionModels = new Map() export function setSessionModel(sessionID: string, model: SessionModel): void { sessionModels.set(sessionID, model) } export function getSessionModel(sessionID: string): SessionModel | undefined { return sessionModels.get(sessionID) } export function clearSessionModel(sessionID: string): void { sessionModels.delete(sessionID) }