From ad6bdb5bfe5e30832664ecdc85a5ca44b7de0c49 Mon Sep 17 00:00:00 2001
From: Idriss Sbaaoui <112825897+6ba3i@users.noreply.github.com>
Date: Tue, 17 Mar 2026 17:21:13 +0800
Subject: [PATCH] Fix: left preview containment regression for file previews
 (#13652)

### What problem does this PR solve?

Fix left preview containment regression for file previews

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)
---
 .../add-knowledge/components/knowledge-chunk/index.tsx         | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/index.tsx b/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/index.tsx
index 3e53d6171e..17e9294510 100644
--- a/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/index.tsx
+++ b/web/src/pages/chunk/parsed-result/add-knowledge/components/knowledge-chunk/index.tsx
@@ -193,8 +193,9 @@ const Chunk = () => {
           <article className="w-2/5 flex flex-col">
             <DocumentHeader className="flex-0 p-5 pb-0" {...documentInfo} />
 
-            <div className="flex-1 h-0 p-5 pt-2.5">
+            <div className="flex-1 h-0 min-h-0 overflow-hidden p-5 pt-2.5 [&>section]:h-full [&>section]:min-h-0">
               <DocumentPreview
+                className="h-full min-h-0 overflow-auto [&_img]:max-w-full [&_img]:h-auto"
                 fileType={fileType}
                 highlights={highlights}
                 setWidthAndHeight={setWidthAndHeight}