From 5a4c63f7f37114f69a3b67d35a92e30b4f65e13f Mon Sep 17 00:00:00 2001
From: Cursor Agent <cursoragent@cursor.com>
Date: Wed, 18 Mar 2026 12:37:10 +0000
Subject: [PATCH] fix: release instance lock on termination signals

Co-authored-by: Haze <hazeone@users.noreply.github.com>
---
 electron/main/index.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/electron/main/index.ts b/electron/main/index.ts
index e272fd2..c46255e 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -442,10 +442,19 @@ async function initialize(): Promise<void> {
 }
 
 if (gotTheLock) {
+  const releaseProcessLockOnSignal = (signal: NodeJS.Signals): void => {
+    logger.info(`Received ${signal}; releasing instance lock and requesting app quit`);
+    releaseProcessInstanceFileLock();
+    app.quit();
+  };
+
   process.on('exit', () => {
     releaseProcessInstanceFileLock();
   });
 
+  process.once('SIGINT', () => releaseProcessLockOnSignal('SIGINT'));
+  process.once('SIGTERM', () => releaseProcessLockOnSignal('SIGTERM'));
+
   app.on('will-quit', () => {
     releaseProcessInstanceFileLock();
   });