From bdd75630a7c1ba6fa9dcc463db3a15e6d5c79e59 Mon Sep 17 00:00:00 2001
From: Brooklyn Nicholson <brooklyn.bb.nicholson@gmail.com>
Date: Mon, 27 Jul 2026 15:22:13 -0500
Subject: [PATCH] fix(desktop): paint the titlebar with the sidebar's surface
 color

The shell titlebar declared no background of its own, so it showed through\nto the wrapper's --ui-bg-chrome and read as a lighter band above the\nsession list. Use --ui-sidebar-surface-background, the token the sidebar\nalready paints with, so the two chrome surfaces meet on the hairline\ninstead of a color change.
---
 apps/desktop/src/app/contrib/controller.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/desktop/src/app/contrib/controller.tsx b/apps/desktop/src/app/contrib/controller.tsx
index 8f486accb56..c0aa5e64a2a 100644
--- a/apps/desktop/src/app/contrib/controller.tsx
+++ b/apps/desktop/src/app/contrib/controller.tsx
@@ -665,7 +665,7 @@ export function ContribController() {
                   tree-published --workspace-left/right vars (pure CSS, no rect
                   threading), clamped to clear the REAL TitlebarControls
                   clusters (fixed, z-70); center is truly window-centered. */}
-          <div className="relative flex h-[34px] shrink-0 items-center border-b border-(--ui-stroke-tertiary) text-xs">
+          <div className="relative flex h-[34px] shrink-0 items-center border-b border-(--ui-stroke-tertiary) bg-(--ui-sidebar-surface-background) text-xs">
             {/* Drag strips, AppShell-style: cut to AVOID the fixed control
                 clusters instead of overlapping them — Electron's no-drag
                 carve-out of fixed/transformed elements is unreliable, so a