From 9f8960f22222cbbb91f94220290bb3fd6b04af57 Mon Sep 17 00:00:00 2001
From: Dex <6930518+dexhunter@users.noreply.github.com>
Date: Fri, 10 Jul 2026 08:23:58 +0000
Subject: [PATCH] perf(frontend): coalesce streaming markdown parses

Restore animation-frame scheduling when text fade is disabled.\n\nRefs #20878\nRestores #23868
---
 src/lib/components/chat/Messages/Markdown.svelte | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/src/lib/components/chat/Messages/Markdown.svelte b/src/lib/components/chat/Messages/Markdown.svelte
index 5b699578ed..599c1aef74 100644
--- a/src/lib/components/chat/Messages/Markdown.svelte
+++ b/src/lib/components/chat/Messages/Markdown.svelte
@@ -75,17 +75,11 @@
 	};
 
 	const updateHandler = (content) => {
-		if (content) {
-			if (done) {
-				cancelAnimationFrame(pendingUpdate);
+		if (content && !pendingUpdate) {
+			pendingUpdate = requestAnimationFrame(() => {
 				pendingUpdate = null;
 				parseTokens();
-			} else if (!pendingUpdate) {
-				pendingUpdate = requestAnimationFrame(() => {
-					pendingUpdate = null;
-					parseTokens();
-				});
-			}
+			});
 		}
 	};