Fix Electron launch in CI with --no-sandbox flag

Add --no-sandbox and --disable-gpu flags when running in CI
environments to avoid sandboxing issues in containers.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: MarkJamesHoward

electron/tests/accessibility.test.js

@@ -67,10 +67,14 @@ async function runAccessibilityTests() {
     path.join(__dirname, "..", "dist", "main", "main.js"),
   );
 
-  // Launch Electron app
+  // Launch Electron app (--no-sandbox needed for CI/container environments)
+  const isCI = process.env.CI === "true" || process.env.CI === true;
   const electronApp = await electron.launch({
     executablePath: electronPath,
-    args: [path.join(__dirname, "..", "dist", "main", "main.js")],
+    args: [
+      path.join(__dirname, "..", "dist", "main", "main.js"),
+      ...(isCI ? ["--no-sandbox", "--disable-gpu"] : []),
+    ],
     env: {
       ...process.env,
       NODE_ENV: "test",