对话功能

web/src/app/chat/components/chat-composer.tsx

@@ -126,10 +126,11 @@ export function ChatComposer({
               <button
                 type="button"
                 onClick={() => fileInputRef.current?.click()}
-                className="inline-flex h-9 shrink-0 items-center gap-1.5 rounded-full border border-stone-200 bg-white px-3 text-xs font-medium text-stone-700 transition hover:bg-stone-50"
+                className="inline-flex size-9 shrink-0 items-center justify-center rounded-full border border-stone-200 bg-white p-0 text-stone-700 transition hover:bg-stone-50 sm:size-10"
+                aria-label="上传照片和文件"
+                title="上传照片和文件"
               >
-                <Paperclip className="size-4" />
-                照片和文件
+                <Paperclip className="size-3.5 sm:size-4" />
               </button>
               <Select value={capabilityMode} onValueChange={(value) => onCapabilityModeChange(value as ChatCapabilityMode)}>
                 <SelectTrigger className="h-9 w-auto shrink-0 gap-1 rounded-full border-stone-200 bg-white px-3 text-xs shadow-none [&>svg]:hidden">