From 7853c4fb7f714e4bd76f5339e867d3cb6ce080bb Mon Sep 17 00:00:00 2001
From: Onur <2453968+osolmaz@users.noreply.github.com>
Date: Thu, 26 Feb 2026 23:27:09 +0100
Subject: [PATCH] Discord: fix thread binding types in message/reply paths

---
 src/discord/monitor/message-handler.process.ts      | 5 +++--
 src/discord/monitor/reply-delivery.ts               | 3 ++-
 src/discord/monitor/thread-bindings.persona.test.ts | 1 +
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/discord/monitor/message-handler.process.ts b/src/discord/monitor/message-handler.process.ts
index f33f31ab3af..e31ec0bac97 100644
--- a/src/discord/monitor/message-handler.process.ts
+++ b/src/discord/monitor/message-handler.process.ts
@@ -117,8 +117,9 @@ export async function processDiscordMessage(ctx: DiscordMessagePreflightContext)
     return;
   }
 
-  if (ctx.threadBinding?.threadId) {
-    threadBindings.touchThread({ threadId: ctx.threadBinding.threadId });
+  const boundThreadId = ctx.threadBinding?.conversation?.conversationId?.trim();
+  if (boundThreadId && typeof threadBindings.touchThread === "function") {
+    threadBindings.touchThread({ threadId: boundThreadId });
   }
   const ackReaction = resolveAckReaction(cfg, route.agentId, {
     channel: "discord",
diff --git a/src/discord/monitor/reply-delivery.ts b/src/discord/monitor/reply-delivery.ts
index 16f1ed520fa..1c79e216555 100644
--- a/src/discord/monitor/reply-delivery.ts
+++ b/src/discord/monitor/reply-delivery.ts
@@ -20,6 +20,7 @@ export type DiscordThreadBindingLookupRecord = {
 
 export type DiscordThreadBindingLookup = {
   listBySessionKey: (targetSessionKey: string) => DiscordThreadBindingLookupRecord[];
+  touchThread?: (params: { threadId: string; at?: number; persist?: boolean }) => unknown;
 };
 
 function resolveTargetChannelId(target: string): string | undefined {
@@ -272,6 +273,6 @@ export async function deliverDiscordReply(params: {
   }
 
   if (binding && deliveredAny) {
-    params.threadBindings?.touchThread({ threadId: binding.threadId });
+    params.threadBindings?.touchThread?.({ threadId: binding.threadId });
   }
 }
diff --git a/src/discord/monitor/thread-bindings.persona.test.ts b/src/discord/monitor/thread-bindings.persona.test.ts
index 7087cff09a4..91b337d868c 100644
--- a/src/discord/monitor/thread-bindings.persona.test.ts
+++ b/src/discord/monitor/thread-bindings.persona.test.ts
@@ -26,6 +26,7 @@ describe("thread binding persona", () => {
       agentId: "codex",
       boundBy: "system",
       boundAt: Date.now(),
+      lastActivityAt: Date.now(),
       label: "codex-thread",
     } satisfies ThreadBindingRecord;
     expect(resolveThreadBindingPersonaFromRecord(record)).toBe("⚙️ codex-thread");