From 3957ed131aec84e5cb6cd825409a7cf398d685c0 Mon Sep 17 00:00:00 2001
From: fancy <fancyboi999@gmail.com>
Date: Mon, 26 Jan 2026 11:14:38 +0800
Subject: [PATCH] fix(slack): remove ack reaction when block streaming replies
 are sent (#2003)

---
 src/slack/monitor/message-handler/dispatch.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/slack/monitor/message-handler/dispatch.ts b/src/slack/monitor/message-handler/dispatch.ts
index d31885cfa..38b69f049 100644
--- a/src/slack/monitor/message-handler/dispatch.ts
+++ b/src/slack/monitor/message-handler/dispatch.ts
@@ -141,7 +141,9 @@ export async function dispatchPreparedSlackMessage(prepared: PreparedSlackMessag
   });
   markDispatchIdle();
 
-  if (!queuedFinal) {
+  const anyReplyDelivered = queuedFinal || (counts.block ?? 0) > 0 || (counts.final ?? 0) > 0;
+
+  if (!anyReplyDelivered) {
     if (prepared.isRoomish) {
       clearHistoryEntriesIfEnabled({
         historyMap: ctx.channelHistories,