From 41bdb04b72304380371b19e12366ebe8d294fe0b Mon Sep 17 00:00:00 2001
From: Henry-Hiles <henry@henryhiles.com>
Date: Fri, 2 Oct 2026 19:57:48 -0400
Subject: [PATCH] make chat follow new messages when scrolled to bottom

Fixes #106
---
 lib/helpers/hooks/chat_scroll.dart | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/lib/helpers/hooks/chat_scroll.dart b/lib/helpers/hooks/chat_scroll.dart
index 877264e..7845576 100644
--- a/lib/helpers/hooks/chat_scroll.dart
+++ b/lib/helpers/hooks/chat_scroll.dart
@@ -94,6 +94,27 @@ final class ChatScroll({
       );
     }, [controllerData, anchorId.value]);
 
+    final lastRowId = split.live.lastOrNull;
+    final previousLastRowId = useRef<int?>(null);
+
+    useEffect(() {
+      final previous = previousLastRowId.value;
+      previousLastRowId.value = lastRowId;
+
+      if (previous == null || lastRowId == null || previous == lastRowId) {
+        return null;
+      }
+      if (!atBottom.value || contextualEvent.value != null) return null;
+
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        if (!scrollController.hasClients) return;
+
+        scrollController.jumpTo(scrollController.position.minScrollExtent);
+      });
+
+      return null;
+    }, [lastRowId]);
+
     useEffect(
       () {
         const loadThreshold = 500.0;