From c1bb34d5e86deee11d92e26a3574e5f3781fbe9b Mon Sep 17 00:00:00 2001
From: Brooklyn Nicholson <brooklyn.bb.nicholson@gmail.com>
Date: Sun, 28 Jun 2026 19:08:25 -0500
Subject: [PATCH] fix(desktop): keep inactive terminals sized so switching
 doesn't garble
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Hide inactive terminal tabs with `visibility` (absolute-stacked at full size)
instead of `display:none`. A display:none host is 0×0, so its ResizeObserver
fit bails and the terminal stops tracking pane resizes — re-showing it at a
changed size reflowed the buffer into a garbled prompt. Visibility-hidden
hosts keep their layout size, stay in sync, and switch instantly.
---
 .../src/app/right-sidebar/terminal/instance.tsx       | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/apps/desktop/src/app/right-sidebar/terminal/instance.tsx b/apps/desktop/src/app/right-sidebar/terminal/instance.tsx
index 26e984e2e89..d228199174f 100644
--- a/apps/desktop/src/app/right-sidebar/terminal/instance.tsx
+++ b/apps/desktop/src/app/right-sidebar/terminal/instance.tsx
@@ -32,10 +32,13 @@ export function TerminalInstance({ id, active, cwd, onAddSelectionToChat }: Term
   return (
     <div
       className={cn(
-        // No top padding — the prompt hugs the titlebar-clearance line instead of
-        // floating a row below it (the rest of the gap is the required clearance).
-        'relative min-h-0 min-w-0 flex-1 flex-col bg-(--ui-editor-surface-background) px-2 pb-2 pt-0',
-        active ? 'flex' : 'hidden'
+        // Stack every terminal absolutely and toggle visibility (NOT display) so
+        // inactive tabs keep their layout size and track pane resizes — a
+        // display:none host goes 0×0, skips fit, and renders garbled when shown
+        // again at a changed size. No top padding so the prompt hugs the
+        // titlebar-clearance line (the rest of the gap is required clearance).
+        'absolute inset-0 flex flex-col bg-(--ui-editor-surface-background) px-2 pb-2 pt-0',
+        active ? 'visible' : 'invisible pointer-events-none'
       )}
     >
       {status === 'starting' && (