From 1486046b36223db30ea13c3acad0684a645ceec5 Mon Sep 17 00:00:00 2001
From: Brooklyn Nicholson <brooklyn.bb.nicholson@gmail.com>
Date: Thu, 30 Jul 2026 04:49:06 -0500
Subject: [PATCH] fix(desktop): paint the zone floor with the chrome surface

The pane zone used the card/editor token, so session loading flashed white
against the titlebar and tab strip. Chat already paints its own surface;
this only fixes the empty floor underneath.
---
 .../src/components/pane-shell/tree/renderer/tree-group.tsx      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/desktop/src/components/pane-shell/tree/renderer/tree-group.tsx b/apps/desktop/src/components/pane-shell/tree/renderer/tree-group.tsx
index 6008ca025ff..094ecd28d8a 100644
--- a/apps/desktop/src/components/pane-shell/tree/renderer/tree-group.tsx
+++ b/apps/desktop/src/components/pane-shell/tree/renderer/tree-group.tsx
@@ -345,7 +345,7 @@ export function TreeGroup({
 
   return (
     <div
-      className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden bg-(--ui-bg-editor)"
+      className="relative flex min-h-0 min-w-0 flex-1 flex-col overflow-hidden bg-(--ui-editor-surface-background)"
       data-tree-group={node.id}
       // Advertises the visible tab strip so panes can drop their own
       // self-naming labels (see [data-pane-self-label] in styles.css).