Function getCancelledSessionState

sdk/src/run.ts:303–324

Calculates the current session state if cancelled. * * This is used when callMainPrompt throws an error. If the agent runtime made * any progress (replaced the shared messageHistory), those messages are * preserved. Otherwise the user's message is added so it isn't lost.

(message: string)

   * preserved. Otherwise the user's message is added so it isn't lost.
   */
  function getCancelledSessionState(message: string): SessionState {
    const runtimeMadeProgress =
      sessionState.mainAgentState.messageHistory !== initialMessageHistory

    const state = cloneDeep(sessionState)

    // Only add the user's message if the runtime didn't get a chance to add it.
    if (!runtimeMadeProgress && (prompt || preparedContent)) {
      state.mainAgentState.messageHistory.push({
        role: 'user' as const,
        content: buildUserMessageContent(prompt, params, preparedContent),
        tags: ['USER_PROMPT'] as string[],
      })
    }

    // Add error context message
    state.mainAgentState.messageHistory.push({
      role: 'user' as const,
      content: [{ type: 'text' as const, text: withSystemTags(message) }],
    })
    return state
  }
  function getCancelledRunState(message?: string): RunState {
    message = message ?? 'Run cancelled by user.'
    return {