Method resumeSession

nodejs/src/client.ts:1524–1688

* Resumes an existing conversation session by its ID. * * This allows you to continue a previous conversation, maintaining all * conversation history. The session must have been previously created * and not deleted. * * @param sessionId - The ID of the session to resume

(sessionId: string, config: ResumeSessionConfig)

     * ```
     */
    async resumeSession(sessionId: string, config: ResumeSessionConfig): Promise<CopilotSession> {
        if (!this.connection) {
            await this.start();
        }

        // Create and register the session before issuing the RPC so that
        // events emitted by the CLI (e.g. session.start) are not dropped.
        const session = new CopilotSession(
            sessionId,
            this.connection!,
            undefined,
            this.onGetTraceContext,
            { mcpAuthHandler: config.onMcpAuthRequest }
        );
        session.registerTools(config.tools);
        session.registerCanvases(config.canvases);
        session.registerCommands(config.commands);
        const {
            wireProvider: bearerWireProvider,
            wireProviders: bearerWireProviders,
            callbacks: bearerTokenCallbacks,
        } = extractBearerTokenProviders(config.provider, config.providers);
        if (bearerTokenCallbacks.size > 0) {
            session.registerBearerTokenProviders(bearerTokenCallbacks);
        }
        session.registerPermissionHandler(config.onPermissionRequest);
        if (config.onUserInputRequest) {
            session.registerUserInputHandler(config.onUserInputRequest);
        }
        if (config.onElicitationRequest) {
            session.registerElicitationHandler(config.onElicitationRequest);
        }
        if (config.onExitPlanModeRequest) {
            session.registerExitPlanModeHandler(config.onExitPlanModeRequest);
        }
        if (config.onAutoModeSwitchRequest) {
            session.registerAutoModeSwitchHandler(config.onAutoModeSwitchRequest);
        }
        if (config.hooks) {
            session.registerHooks(config.hooks);
        }

        config = { ...this.configDefaultsForMode(), ...config };
        config.systemMessage = this.getSystemMessageConfigForMode(config.systemMessage);

        const { wirePayload: wireSystemMessage, transformCallbacks } = extractTransformCallbacks(
            config.systemMessage
        );
        if (transformCallbacks) {
            session.registerTransformCallbacks(transformCallbacks);
        }

        if (config.onEvent) {
            session.on(config.onEvent);
        }
        this.sessions.set(sessionId, session);
        this.setupSessionFs(session, config);