Function checkAddieThreadParticipation

server/src/addie/bolt-app.ts:398–413

* Check if Addie has already participated in a thread. * Used to determine if replies in a thread should be treated as implicit @mentions. * * When a user replies to a thread where Addie has already responded, * we should respond automatically without requiring an explicit @mention. * This crea

(
  channelId: string,
  threadTs: string,
  botUserId: string
)

 * a duplicate API call when building thread context.
 */
async function checkAddieThreadParticipation(
  channelId: string,
  threadTs: string,
  botUserId: string
): Promise<ThreadParticipationResult> {
  try {
    const messages = await getThreadReplies(channelId, threadTs);
    // Check if any message in the thread is from Addie (matches bot user ID)
    // Note: Slack messages from bots have a 'user' field matching the bot's user ID
    const participated = messages.some(msg => msg.user === botUserId);
    return { participated, messages };
  } catch (error) {
    logger.warn({ error, channelId, threadTs }, 'Addie Bolt: Failed to check thread participation');
    return { participated: false, messages: [] };
  }
}

/** Delay (ms) before Addie responds in channel threads when not explicitly mentioned.
 *  Gives humans time to reply first. After the delay, re-checks the thread