fix(pos): handle expired API sessions and add receipt preview close button

project/apps/pos/src/proxy.ts

@@ -20,6 +20,15 @@ export function proxy(request: NextRequest) {
     cookie.includes('session_token=');
 
   if (!hasSession) {
+    // API callers expect JSON. Redirecting them to /login makes fetch() follow
+    // the redirect and receive the HTML login page, which surfaces as the
+    // cryptic "Unexpected token '<'" parse error in the terminal UI.
+    if (pathname.startsWith('/api/')) {
+      return NextResponse.json(
+        { error: { statusCode: 401, code: 'UNAUTHORIZED', message: 'Authentication required' } },
+        { status: 401 },
+      );
+    }
     return NextResponse.redirect(new URL('/login', request.url));
   }