Function generateAwaySummary

src/services/awaySummary.ts:29–74

(
  messages: readonly Message[],
  signal: AbortSignal,
)

 * Returns null on abort, empty transcript, or error.
 */
export async function generateAwaySummary(
  messages: readonly Message[],
  signal: AbortSignal,
): Promise<string | null> {
  if (messages.length === 0) {
    return null
  }

  try {
    const memory = await getSessionMemoryContent()
    const recent = messages.slice(-RECENT_MESSAGE_WINDOW)
    recent.push(createUserMessage({ content: buildAwaySummaryPrompt(memory) }))
    const response = await queryModelWithoutStreaming({
      messages: recent,
      systemPrompt: asSystemPrompt([]),
      thinkingConfig: { type: 'disabled' },
      tools: [],
      signal,
      options: {
        getToolPermissionContext: async () => getEmptyToolPermissionContext(),
        model: getSmallFastModel(),
        toolChoice: undefined,
        isNonInteractiveSession: false,
        hasAppendSystemPrompt: false,
        agents: [],
        querySource: 'away_summary',
        mcpTools: [],
        skipCacheWrite: true,
      },
    })

    if (response.isApiErrorMessage) {
      logForDebugging(
        `[awaySummary] API error: ${getAssistantMessageText(response)}`,
      )
      return null
    }
    return getAssistantMessageText(response)
  } catch (err) {
    if (err instanceof APIUserAbortError || signal.aborted) {
      return null
    }
    logForDebugging(`[awaySummary] generation failed: ${err}`)
    return null
  }
}