From 1fe0f848df0821dd68261c9b18ce562aba434862 Mon Sep 17 00:00:00 2001
From: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>
Date: Mon, 2 Mar 2026 08:09:49 -0600
Subject: [PATCH] fix(slack): type message.channels/group handlers (#31758)

---
 src/slack/monitor/events/messages.ts | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/slack/monitor/events/messages.ts b/src/slack/monitor/events/messages.ts
index d63ce780d30..6891b18c3b9 100644
--- a/src/slack/monitor/events/messages.ts
+++ b/src/slack/monitor/events/messages.ts
@@ -102,12 +102,18 @@ export function registerSlackMessageEvents(params: {
   });
   // Slack may dispatch channel/group message subscriptions under typed event
   // names. Register explicit handlers so both delivery styles are supported.
-  ctx.app.event("message.channels", async ({ event, body }: SlackEventMiddlewareArgs) => {
-    await handleIncomingMessageEvent({ event, body });
-  });
-  ctx.app.event("message.groups", async ({ event, body }: SlackEventMiddlewareArgs) => {
-    await handleIncomingMessageEvent({ event, body });
-  });
+  ctx.app.event(
+    "message.channels",
+    async ({ event, body }: SlackEventMiddlewareArgs<"message.channels">) => {
+      await handleIncomingMessageEvent({ event, body });
+    },
+  );
+  ctx.app.event(
+    "message.groups",
+    async ({ event, body }: SlackEventMiddlewareArgs<"message.groups">) => {
+      await handleIncomingMessageEvent({ event, body });
+    },
+  );
 
   ctx.app.event("app_mention", async ({ event, body }: SlackEventMiddlewareArgs<"app_mention">) => {
     try {