From 36d22849db52c238a971bfe0a975c5e4f78f4d79 Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Mon, 7 Sep 2026 14:23:14 -0400
Subject: [PATCH 1/2] fix(desktop): extract Electron with PowerShell on Windows

---
 apps/desktop/scripts/ensure-electron-runtime.mjs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/apps/desktop/scripts/ensure-electron-runtime.mjs b/apps/desktop/scripts/ensure-electron-runtime.mjs
index b8b8254c9b3c..3a782437281e 100644
--- a/apps/desktop/scripts/ensure-electron-runtime.mjs
+++ b/apps/desktop/scripts/ensure-electron-runtime.mjs
@@ -129,6 +129,15 @@ function installElectronRuntime(electronDir, version) {
     ]);
     if (hostPlatform === "darwin") {
       runChecked("ditto", ["-x", "-k", zipPath, NodePath.join(electronDir, "dist")]);
+    } else if (hostPlatform === "win32") {
+      // Windows includes PowerShell, but python3 may only be a Microsoft Store alias.
+      const quote = (value) => `'${value.replaceAll("'", "''")}'`;
+      runChecked("powershell.exe", [
+        "-NoProfile",
+        "-NonInteractive",
+        "-Command",
+        `Expand-Archive -LiteralPath ${quote(zipPath)} -DestinationPath ${quote(NodePath.join(electronDir, "dist"))} -Force -ErrorAction Stop`,
+      ]);
     } else {
       runChecked("python3", [
         "-c",

From 0bc10f1bda375a5a663c23f8e51c1e3d6f9c42c3 Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Mon, 7 Sep 2026 14:49:07 -0400
Subject: [PATCH 2/2] fix(desktop): pass paths via environment instead of
 quoted arguments

---
 .../scripts/ensure-electron-runtime.mjs       | 25 +++++++++++++------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/apps/desktop/scripts/ensure-electron-runtime.mjs b/apps/desktop/scripts/ensure-electron-runtime.mjs
index 3a782437281e..cd9a89b07dee 100644
--- a/apps/desktop/scripts/ensure-electron-runtime.mjs
+++ b/apps/desktop/scripts/ensure-electron-runtime.mjs
@@ -101,10 +101,11 @@ function invalidRuntimePaths(electronDir, platformPath) {
   ].filter((runtimePath) => NodeFS.existsSync(runtimePath) && !isMachO(runtimePath));
 }
 
-function runChecked(command, args) {
+function runChecked(command, args, env) {
   const result = NodeChildProcess.spawnSync(command, args, {
     encoding: "utf8",
     stdio: "inherit",
+    env,
   });
 
   if (result.status === 0) {
@@ -131,13 +132,21 @@ function installElectronRuntime(electronDir, version) {
       runChecked("ditto", ["-x", "-k", zipPath, NodePath.join(electronDir, "dist")]);
     } else if (hostPlatform === "win32") {
       // Windows includes PowerShell, but python3 may only be a Microsoft Store alias.
-      const quote = (value) => `'${value.replaceAll("'", "''")}'`;
-      runChecked("powershell.exe", [
-        "-NoProfile",
-        "-NonInteractive",
-        "-Command",
-        `Expand-Archive -LiteralPath ${quote(zipPath)} -DestinationPath ${quote(NodePath.join(electronDir, "dist"))} -Force -ErrorAction Stop`,
-      ]);
+      // Pass paths as data: PowerShell also treats curly apostrophes as string delimiters.
+      runChecked(
+        "powershell.exe",
+        [
+          "-NoProfile",
+          "-NonInteractive",
+          "-Command",
+          "Expand-Archive -LiteralPath $env:T3_ELECTRON_ARCHIVE -DestinationPath $env:T3_ELECTRON_DESTINATION -Force -ErrorAction Stop",
+        ],
+        {
+          ...process.env,
+          T3_ELECTRON_ARCHIVE: zipPath,
+          T3_ELECTRON_DESTINATION: NodePath.join(electronDir, "dist"),
+        },
+      );
     } else {
       runChecked("python3", [
         "-c",