style(chat): solve the issue where the SetupBanner is cut off (#1078)

Fixes #1077  --- ## Summary by cubic Fix the SetupBanner being cut off in the empty chat state. The placeholder message now uses flex-1 instead of h-full so the banner renders fully.  Co-authored-by: 顾颢 <guhao@dayee.com>

style(chat): solve the issue where the SetupBanner is cut off (#1078)
2d5aa7e7 · 顾颢 · GitHub · 7adffc75 · 2d5aa7e7
--- a/src/components/chat/MessagesList.tsx
+++ b/src/components/chat/MessagesList.tsx
@@ -53,7 +53,7 @@ export const MessagesList = forwardRef<HTMLDivElement, MessagesListProps>(
          ))
        ) : (
          <div className="flex flex-col items-center justify-center h-full max-w-2xl mx-auto">
-            <div className="flex items-center justify-center h-full text-gray-500">
+            <div className="flex flex-1 items-center justify-center text-gray-500">
              No messages yet
            </div>
            {!isAnyProviderSetup() && <SetupBanner />}