From 2e2fd5fa14a626b8aa1c64d769dbfbed1fc594f5 Mon Sep 17 00:00:00 2001
From: Eva <eva@100yen.org>
Date: Fri, 1 May 2026 22:04:32 +0700
Subject: [PATCH] fix: preserve timer receiver for cleanup waits

---
 src/plugins/host-hook-runtime.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/plugins/host-hook-runtime.ts b/src/plugins/host-hook-runtime.ts
index 77018544e74..e764e985d8f 100644
--- a/src/plugins/host-hook-runtime.ts
+++ b/src/plugins/host-hook-runtime.ts
@@ -130,7 +130,9 @@ function waitForTerminalEventHandlers(params: {
       resolve("timeout");
     }, PLUGIN_TERMINAL_EVENT_CLEANUP_WAIT_MS);
   });
-  timeout?.unref?.();
+  if (timeout) {
+    timeout.unref?.();
+  }
   return Promise.race([settled, timedOut]).then(() => {
     if (timeout) {
       clearTimeout(timeout);