From df038b9f8035ed740f38192d5a970d7c80da2035 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Fri, 7 Aug 2026 19:57:06 -0700
Subject: [PATCH] fix(types): narrow admission ticket session keys with a type
 guard (#120441)

---
 src/auto-reply/reply/reply-admission-ticket.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/auto-reply/reply/reply-admission-ticket.ts b/src/auto-reply/reply/reply-admission-ticket.ts
index 334967c74fa4..d80de4b38f8a 100644
--- a/src/auto-reply/reply/reply-admission-ticket.ts
+++ b/src/auto-reply/reply/reply-admission-ticket.ts
@@ -16,7 +16,13 @@ const tails = resolveGlobalMap<string, Promise<void>>(Symbol.for("openclaw.reply
 export function reserveReplyAdmissionTicket(
   sessionKeys: Iterable<string | undefined>,
 ): ReplyAdmissionTicket | undefined {
-  const keys = [...new Set([...sessionKeys].map(normalizeOptionalString).filter(Boolean))].sort();
+  const keys = [
+    ...new Set(
+      [...sessionKeys]
+        .map(normalizeOptionalString)
+        .filter((key): key is string => typeof key === "string"),
+    ),
+  ].sort();
   if (keys.length === 0) {
     return undefined;
   }