Bugfix/scroll (#1748)

web/src/app/chat/ChatPage.tsx

@@ -1508,8 +1508,22 @@ export function ChatPage({
                       </div>
                     </div>
 
-                    <div className="absolute bottom-0 z-10 w-full">
+                    <div
-                      <div className="w-full pb-4">
+                      ref={inputRef}
+                      className="absolute bottom-0 z-10 w-full"
+                    >
+                      <div className="w-full relative pb-4">
+                        {aboveHorizon && (
+                          <div className="pointer-events-none w-full bg-transparent flex sticky justify-center">
+                            <button
+                              onClick={() => clientScrollToBottom(true)}
+                              className="p-1 pointer-events-auto rounded-2xl bg-background-strong border border-border mb-2 mx-auto "
+                            >
+                              <FiArrowDown size={18} />
+                            </button>
+                          </div>
+                        )}
+
                         <ChatInputBar
                           onSetSelectedAssistant={(
                             alternativeAssistant: Persona | null