feat: fix animation issue for sourcegraph -amp

Author: 35C4n0r

chat/src/components/message-list.tsx

@@ -127,7 +127,7 @@ export default function MessageList({ messages }: MessageListProps) {
                 {message.role !== "user" && message.content === "" ? (
                   <LoadingDots />
                 ) : (
-                  message.content.trim()
+                  message.content.trimEnd()
                 )}
               </div>
             </div>

lib/httpapi/setup.go

@@ -36,6 +36,12 @@ func SetupProcess(ctx context.Context, config SetupProcessConfig) (*termexec.Pro
 		os.Exit(1)
 	}
 
+	// Hack for sourcegraph amp to stop the animation.
+	_, err = process.Write([]byte(" \b"))
+	if err != nil {
+		return nil, err
+	}
+
 	// Handle SIGINT (Ctrl+C) and send it to the process
 	signalCh := make(chan os.Signal, 1)
 	signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM)