fix: auto scroll fix, scroll allow user to scroll up during ai response (#1299)

Author: thecodacus

app/components/chat/BaseChat.tsx

@@ -303,7 +303,7 @@ export const BaseChat = React.forwardRef<HTMLDivElement, BaseChatProps>(
         data-chat-visible={showChat}
       >
         <ClientOnly>{() => <Menu />}</ClientOnly>
-        <div ref={scrollRef} className="flex flex-col lg:flex-row overflow-y-auto w-full h-full">
+        <div className="flex flex-col lg:flex-row overflow-y-auto w-full h-full">
           <div className={classNames(styles.Chat, 'flex flex-col flex-grow lg:min-w-[var(--chat-min-width)] h-full')}>
             {!chatStarted && (
               <div id="intro" className="mt-[16vh] max-w-chat mx-auto text-center px-4 lg:px-0">
@@ -317,39 +317,40 @@ export const BaseChat = React.forwardRef<HTMLDivElement, BaseChatProps>(
             )}
             <div
               className={classNames('pt-6 px-2 sm:px-6', {
-                'h-full flex flex-col': chatStarted,
+                'h-full flex flex-col pb-4 overflow-y-auto': chatStarted,
               })}
               ref={scrollRef}
             >
               <ClientOnly>
                 {() => {
                   return chatStarted ? (
-                    <Messages
-                      ref={messageRef}
-                      className="flex flex-col w-full flex-1 max-w-chat pb-6 mx-auto z-1"
-                      messages={messages}
-                      isStreaming={isStreaming}
-                    />
+                    <div className="flex-1 w-full max-w-chat pb-6 mx-auto z-1">
+                      <Messages
+                        ref={messageRef}
+                        className="flex flex-col "
+                        messages={messages}
+                        isStreaming={isStreaming}
+                      />
+                    </div>
                   ) : null;
                 }}
               </ClientOnly>
               <div
-                className={classNames('flex flex-col gap-4 w-full max-w-chat mx-auto z-prompt mb-6', {
+                className={classNames('flex flex-col gap-4 w-full max-w-chat mx-auto z-prompt', {
                   'sticky bottom-2': chatStarted,
+                  'position-absolute': chatStarted,
                 })}
               >
-                <div className="bg-bolt-elements-background-depth-2">
-                  {actionAlert && (
-                    <ChatAlert
-                      alert={actionAlert}
-                      clearAlert={() => clearAlert?.()}
-                      postMessage={(message) => {
-                        sendMessage?.({} as any, message);
-                        clearAlert?.();
-                      }}
-                    />
-                  )}
-                </div>
+                {actionAlert && (
+                  <ChatAlert
+                    alert={actionAlert}
+                    clearAlert={() => clearAlert?.()}
+                    postMessage={(message) => {
+                      sendMessage?.({} as any, message);
+                      clearAlert?.();
+                    }}
+                  />
+                )}
                 {progressAnnotations && <ProgressCompilation data={progressAnnotations} />}
                 <div
                   className={classNames(
@@ -583,26 +584,26 @@ export const BaseChat = React.forwardRef<HTMLDivElement, BaseChatProps>(
                 </div>
               </div>
             </div>
-            <div className="flex flex-col justify-center gap-5">
-              {!chatStarted && (
+            {!chatStarted && (
+              <div className="flex flex-col justify-center mt-6 gap-5">
                 <div className="flex justify-center gap-2">
                   <div className="flex items-center gap-2">
                     {ImportButtons(importChat)}
                     <GitCloneButton importChat={importChat} className="min-w-[120px]" />
                   </div>
                 </div>
-              )}
-              {!chatStarted &&
-                ExamplePrompts((event, messageInput) => {
+
+                {ExamplePrompts((event, messageInput) => {
                   if (isStreaming) {
                     handleStop?.();
                     return;
                   }
 
                   handleSendMessage?.(event, messageInput);
                 })}
-              {!chatStarted && <StarterTemplates />}
-            </div>
+                <StarterTemplates />
+              </div>
+            )}
           </div>
           <ClientOnly>{() => <Workbench chatStarted={chatStarted} isStreaming={isStreaming} />}</ClientOnly>
         </div>