feat: rebuild support workspace frontend

frontend/src/components/ui/message-scroller.tsx

@@ -0,0 +1,57 @@
+import * as React from "react"
+import {
+  MessageScroller as MessageScrollerPrimitive,
+  useMessageScroller,
+  useMessageScrollerScrollable,
+  useMessageScrollerVisibility,
+} from "@shadcn/react/message-scroller"
+import { ArrowDown } from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { cn } from "@/lib/utils"
+
+function MessageScrollerProvider(props: React.ComponentProps<typeof MessageScrollerPrimitive.Provider>) {
+  return <MessageScrollerPrimitive.Provider {...props} />
+}
+
+function MessageScroller({ className, ...props }: React.ComponentProps<typeof MessageScrollerPrimitive.Root>) {
+  return <MessageScrollerPrimitive.Root data-slot="message-scroller" className={cn("group/message-scroller relative flex size-full min-h-0 flex-col overflow-hidden", className)} {...props} />
+}
+
+function MessageScrollerViewport({ className, ...props }: React.ComponentProps<typeof MessageScrollerPrimitive.Viewport>) {
+  return <MessageScrollerPrimitive.Viewport data-slot="message-scroller-viewport" className={cn("size-full min-h-0 min-w-0 overflow-y-auto overscroll-contain", className)} {...props} />
+}
+
+function MessageScrollerContent({ className, ...props }: React.ComponentProps<typeof MessageScrollerPrimitive.Content>) {
+  return <MessageScrollerPrimitive.Content data-slot="message-scroller-content" className={cn("flex h-max min-h-full flex-col gap-4", className)} {...props} />
+}
+
+function MessageScrollerItem({ className, scrollAnchor = false, ...props }: React.ComponentProps<typeof MessageScrollerPrimitive.Item>) {
+  return <MessageScrollerPrimitive.Item data-slot="message-scroller-item" scrollAnchor={scrollAnchor} className={cn("min-w-0 shrink-0", className)} {...props} />
+}
+
+function MessageScrollerButton({ direction = "end", className, children, render, variant = "secondary", size = "icon-sm", ...props }: React.ComponentProps<typeof MessageScrollerPrimitive.Button> & Pick<React.ComponentProps<typeof Button>, "variant" | "size">) {
+  return (
+    <MessageScrollerPrimitive.Button
+      data-slot="message-scroller-button"
+      direction={direction}
+      className={cn("absolute inset-x-1/2 bottom-3 -translate-x-1/2 transition-opacity data-[active=false]:pointer-events-none data-[active=false]:opacity-0", className)}
+      render={render ?? <Button variant={variant} size={size} />}
+      {...props}
+    >
+      {children ?? <><ArrowDown /><span className="sr-only">滚动到最新消息</span></>}
+    </MessageScrollerPrimitive.Button>
+  )
+}
+
+export {
+  MessageScrollerProvider,
+  MessageScroller,
+  MessageScrollerViewport,
+  MessageScrollerContent,
+  MessageScrollerItem,
+  MessageScrollerButton,
+  useMessageScroller,
+  useMessageScrollerScrollable,
+  useMessageScrollerVisibility,
+}