From ed2c5a6c160269c8861b66f6a63dd133a1d80c9f Mon Sep 17 00:00:00 2001
From: chihlasm <michael@chihlas.com>
Date: Wed, 18 Feb 2026 23:55:50 -0500
Subject: [PATCH] fix: constrain tree editor page height to prevent panel
 overflow

Add overflow-hidden to TreeEditorPage root and NodeEditorPanel container
so the flex height chain is properly constrained by the CSS Grid cell,
preventing the node editor sidebar from growing beyond the viewport.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 frontend/src/components/tree-editor/NodeEditorPanel.tsx | 2 +-
 frontend/src/pages/TreeEditorPage.tsx                   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/src/components/tree-editor/NodeEditorPanel.tsx b/frontend/src/components/tree-editor/NodeEditorPanel.tsx
index d56d0e6b..02054e96 100644
--- a/frontend/src/components/tree-editor/NodeEditorPanel.tsx
+++ b/frontend/src/components/tree-editor/NodeEditorPanel.tsx
@@ -162,7 +162,7 @@ export function NodeEditorPanel({ nodeId, onClose, onSelectType }: NodeEditorPan
   const isRoot = treeStructure?.id === nodeId
 
   return (
-    <div ref={panelRef} className="flex h-full min-h-0 w-[400px] shrink-0 flex-col border-l border-border bg-card">
+    <div ref={panelRef} className="flex h-full min-h-0 w-[400px] shrink-0 flex-col border-l border-border bg-card overflow-hidden">
       {/* Header */}
       <div className="flex items-center gap-2 border-b border-border px-4 py-3 shrink-0">
         <span className={cn('flex h-5 w-5 shrink-0 items-center justify-center rounded', config.badgeClass)}>
diff --git a/frontend/src/pages/TreeEditorPage.tsx b/frontend/src/pages/TreeEditorPage.tsx
index 731d29c9..b0af4285 100644
--- a/frontend/src/pages/TreeEditorPage.tsx
+++ b/frontend/src/pages/TreeEditorPage.tsx
@@ -407,7 +407,7 @@ export function TreeEditorPage() {
   }
 
   return (
-    <div className="flex h-full flex-col">
+    <div className="flex h-full flex-col overflow-hidden">
 
       {/* Draft Restore Prompt */}
       {showDraftPrompt && (