From 0c473e995c73273ab019712ed08a92e5ae0df0b9 Mon Sep 17 00:00:00 2001
From: ciregenz <ciregenz@berkeley.edu>
Date: Sun, 19 Jul 2026 13:49:02 -0700
Subject: [PATCH] [eric] electron: OPENSWARM_DEV_URL override so a worktree
 stack can run its own dev Electron

---
 electron/main.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/electron/main.js b/electron/main.js
index 4c9427c6..d89f755e 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -1239,7 +1239,8 @@ function createWindow() {
   });
 
   if (isDev) {
-    mainWindow.loadURL(`http://localhost:3000`);
+    // OPENSWARM_DEV_URL lets a worktree stack (webpack on an alternate port) run its own Electron.
+    mainWindow.loadURL(process.env.OPENSWARM_DEV_URL || `http://localhost:3000`);
   } else if (frontendServerPort) {
     mainWindow.loadURL(`http://127.0.0.1:${frontendServerPort}/index.html`);
   } else {