From 1b082f780e5fa133ccaa1a248b970ec70d6dd103 Mon Sep 17 00:00:00 2001
From: pcarter <pcarter@fastmail.com>
Date: Wed, 15 Apr 2026 14:46:38 -0700
Subject: [PATCH] render in ui

---
 app/rendered-markdown.tsx | 6 +++++-
 tests/unit.test.ts        | 8 ++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/rendered-markdown.tsx b/app/rendered-markdown.tsx
index f2ab260..cb8abed 100644
--- a/app/rendered-markdown.tsx
+++ b/app/rendered-markdown.tsx
@@ -21,7 +21,11 @@ function RenderedMarkdown({
     () => followupsEnabled ? splitMessageFollowups(text ?? '') : { content: text ?? '', followups: [] },
     [followupsEnabled, text],
   );
-  const rendered = useMemo(() => html ?? renderMarkdown(content), [html, content]);
+  const preferClientRender = followupsEnabled && text !== undefined;
+  const rendered = useMemo(
+    () => preferClientRender ? renderMarkdown(content) : html ?? renderMarkdown(content),
+    [preferClientRender, html, content],
+  );
 
   const handleClick = async (event: React.MouseEvent<HTMLDivElement>) => {
     const button = (event.target as HTMLElement).closest<HTMLButtonElement>('button[data-copy-code]');
diff --git a/tests/unit.test.ts b/tests/unit.test.ts
index 9980e80..cc998df 100644
--- a/tests/unit.test.ts
+++ b/tests/unit.test.ts
@@ -350,6 +350,10 @@ test('followup UI wiring hides XML in assistant messages and submits the selecte
     pageSource.includes('await submitTurn(followup);'),
     'clicking a followup should immediately submit that followup as the next turn',
   );
+  assert.ok(
+    pageSource.includes('setMessages(withRenderedMessages(item.messages));'),
+    'history-loaded chats should still rebuild assistant message rendering on the client',
+  );
   assert.ok(
     renderedMarkdownSource.includes('className="followup-button"'),
     'RenderedMarkdown should render followups as dedicated themed buttons',
@@ -358,6 +362,10 @@ test('followup UI wiring hides XML in assistant messages and submits the selecte
     renderedMarkdownSource.includes('followupsEnabled'),
     'RenderedMarkdown should explicitly opt into followup parsing for assistant messages',
   );
+  assert.ok(
+    renderedMarkdownSource.includes('const preferClientRender = followupsEnabled && text !== undefined;'),
+    'followup rendering should prefer client-side markdown from raw text when followups are enabled',
+  );
   assert.ok(
     css.includes('.followup-button'),
     'globals.css should include styling for the followup buttons',
-- 
2.51.2