From 65dd73b4c369f1adab49e5216269cf7f2a6bbde2 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Wed, 21 Jan 2026 06:28:22 +0000
Subject: [PATCH] fix: clean up slack threading landings (#1360) (thanks
 @SocialNerd42069)

---
 Peekaboo                                                        | 1 -
 ...i-session.does-not-emit-duplicate-block-replies-text.test.ts | 2 +-
 src/cli/update-cli.ts                                           | 1 +
 src/slack/monitor/message-handler/prepare.ts                    | 1 -
 4 files changed, 2 insertions(+), 3 deletions(-)
 delete mode 160000 Peekaboo

diff --git a/Peekaboo b/Peekaboo
deleted file mode 160000
index 5c195f5e4..000000000
--- a/Peekaboo
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5c195f5e46ebfcc953af74fdd05fbc962d05a50c
diff --git a/src/agents/pi-embedded-subscribe.subscribe-embedded-pi-session.does-not-emit-duplicate-block-replies-text.test.ts b/src/agents/pi-embedded-subscribe.subscribe-embedded-pi-session.does-not-emit-duplicate-block-replies-text.test.ts
index 7d592caad..827c58193 100644
--- a/src/agents/pi-embedded-subscribe.subscribe-embedded-pi-session.does-not-emit-duplicate-block-replies-text.test.ts
+++ b/src/agents/pi-embedded-subscribe.subscribe-embedded-pi-session.does-not-emit-duplicate-block-replies-text.test.ts
@@ -113,7 +113,7 @@ describe("subscribeEmbeddedPiSession", () => {
     handler?.({ type: "message_end", message: assistantMessageWithNewline });
     handler?.({ type: "message_end", message: assistantMessageTrimmed });
 
-    expect(subscription.assistantTexts).toEqual(["Hello world\n"]);
+    expect(subscription.assistantTexts).toEqual(["Hello world"]);
   });
   it("does not duplicate assistantTexts when message_end repeats with reasoning blocks", () => {
     let handler: SessionEventHandler | undefined;
diff --git a/src/cli/update-cli.ts b/src/cli/update-cli.ts
index 17eb91757..99da9ac0d 100644
--- a/src/cli/update-cli.ts
+++ b/src/cli/update-cli.ts
@@ -17,6 +17,7 @@ import {
   runGatewayUpdate,
   type UpdateRunResult,
   type UpdateStepInfo,
+  type UpdateStepResult,
   type UpdateStepProgress,
   type UpdateStepResult,
 } from "../infra/update-runner.js";
diff --git a/src/slack/monitor/message-handler/prepare.ts b/src/slack/monitor/message-handler/prepare.ts
index 5a27b30ce..849c08d31 100644
--- a/src/slack/monitor/message-handler/prepare.ts
+++ b/src/slack/monitor/message-handler/prepare.ts
@@ -481,7 +481,6 @@ export async function prepareSlackMessage(params: {
     ParentSessionKey: threadKeys.parentSessionKey,
     ThreadStarterBody: threadStarterBody,
     ThreadLabel: threadLabel,
-    MessageThreadId: isThreadReply ? threadTs : undefined,
     Timestamp: message.ts ? Math.round(Number(message.ts) * 1000) : undefined,
     WasMentioned: isRoomish ? effectiveWasMentioned : undefined,
     MediaPath: media?.path,