From 76eac7a52a61e0e316543716d49f8b2532764895 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Mon, 26 Jan 2026 22:04:07 +0800
Subject: [PATCH] debug: add blue background and alert to file list button

---
 components/canvas/CanvasChatPanel.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 9669f36..9ed8ab5 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -329,10 +329,11 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
           </Button>
           <button 
             type="button"
-            className="h-8 w-8 rounded-full hover:bg-muted inline-flex items-center justify-center"
+            className="h-8 w-8 rounded-full hover:bg-muted inline-flex items-center justify-center bg-blue-500 text-white"
             onClick={(e) => {
               e.preventDefault();
               e.stopPropagation();
+              alert('File list button clicked! onOpenFileList: ' + !!onOpenFileList);
               console.log('[CanvasChatPanel] File list button clicked, onOpenFileList:', !!onOpenFileList);
               if (onOpenFileList) {
                 onOpenFileList();