shelley: use instant scroll behavior for chat messages

Philip Zeyliger and Claude created

Prompt: Make "    messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });" scroll instantly not slowly
commit, mentioning thiat this fixes https://github.com/boldsoftware/shelley/issues/35

Fixes https://github.com/boldsoftware/shelley/issues/35

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Change summary

ui/src/components/ChatInterface.tsx | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

ui/src/components/ChatInterface.tsx 🔗

@@ -907,7 +907,7 @@ function ChatInterface({
   };
 
   const scrollToBottom = () => {
-    messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
+    messagesEndRef.current?.scrollIntoView({ behavior: "instant" });
     userScrolledRef.current = false;
     setShowScrollToBottom(false);
   };