fix(web): prevent mobile tool overflow

apps/web/src/routes/design.mobile-chat.tsx

@@ -6,11 +6,7 @@ import {
   Message,
   MessageContent,
 } from "@code/ui/components/ai-elements/message";
-import {
-  Tool,
-  ToolContent,
-  ToolHeader,
-} from "@code/ui/components/ai-elements/tool";
+import { Tool, ToolContent } from "@code/ui/components/ai-elements/tool";
 import {
   MobileChatAssistantLabel,
   MobileChatBubble,
@@ -53,12 +49,6 @@ const MobileChatShowcase = () => (
                 <MobileChatAssistantLabel />
                 <MobileChatBubble sender="assistant">
                   <Tool className="mb-0 w-full border-0" defaultOpen>
-                    <ToolHeader
-                      className="sr-only"
-                      state="output-available"
-                      toolName="Web Search"
-                      type="dynamic-tool"
-                    />
                     <ToolContent className="space-y-0 p-0">
                       <MobileChatToolCall
                         status="done"