From 81c88cc742cc41571834a7bf87b64be7f83050cb Mon Sep 17 00:00:00 2001
From: Tom <tom81094@gmail.com>
Date: Fri, 18 Jul 2025 16:41:03 +0700
Subject: [PATCH] fix(tui): ensure viewport scrolls to bottom on new messages
 (#1110)

---
 packages/tui/internal/components/chat/messages.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/tui/internal/components/chat/messages.go b/packages/tui/internal/components/chat/messages.go
index 2d8261e5..9c2dd7e8 100644
--- a/packages/tui/internal/components/chat/messages.go
+++ b/packages/tui/internal/components/chat/messages.go
@@ -393,6 +393,9 @@ func (m *messagesComponent) renderView() {
 
 	m.viewport.SetHeight(m.height - lipgloss.Height(m.header))
 	m.viewport.SetContent("\n" + strings.Join(blocks, "\n\n"))
+	if m.tail {
+		m.viewport.GotoBottom()
+	}
 }
 
 func (m *messagesComponent) renderHeader() string {