update Markdown skills

src/components/ai-assistant/AssistantMessage.jsx

@@ -2,6 +2,7 @@ import * as React from 'react';
 import { Sparkles } from 'lucide-react';
 import { cn } from '@/lib/utils';
 import { ResponseDocument } from './ResponseBlocks';
+import OwliverAvatar from '@/components/krow/OwliverAvatar';
 
 /**
  * The thinking state, shown between sending and the first block arriving.
@@ -12,9 +13,7 @@ import { ResponseDocument } from './ResponseBlocks';
 export function ThinkingIndicator() {
   return (
     <div className="flex items-center gap-2">
-      <span className="grid h-6 w-6 shrink-0 place-items-center rounded-lg bg-krow-blue-tint text-krow-blue">
-        <Sparkles className="h-3 w-3" aria-hidden="true" />
-      </span>
+      <OwliverAvatar className="h-6 w-6" rounded="rounded-full" />
       <span className="inline-flex items-center gap-1 rounded-xl rounded-tl-sm border border-border bg-surface px-2.5 py-2 shadow-xs">
         {[0, 1, 2].map((i) => (
           <span
@@ -53,9 +52,7 @@ export const Message = React.memo(
   return (
     <div className="animate-slide-up">
       <div className="mb-2 flex items-center gap-1.5">
-        <span className="grid h-5 w-5 shrink-0 place-items-center rounded-md bg-krow-blue-tint text-krow-blue">
-          <Sparkles className="h-2.5 w-2.5" aria-hidden="true" />
-        </span>
+        <OwliverAvatar className="h-5 w-5" rounded="rounded-full" />
         <span className="text-[10px] font-semibold uppercase tracking-wide text-ink-4">Owliver</span>
       </div>