update ui changes

src/components/ai-assistant/KrowAssistant.jsx

@@ -105,8 +105,8 @@ export default function KrowAssistant({
     >
       {/* Header */}
       <div className="flex shrink-0 items-center gap-2.5 border-b border-white/60 px-3.5 py-2.5">
-        <span className="grid h-7 w-7 shrink-0 place-items-center rounded-lg bg-krow-blue text-white shadow-brand">
-          <Sparkles className="h-3.5 w-3.5" aria-hidden="true" />
+        <span className="grid h-7 w-7 shrink-0 place-items-center rounded-lg bg-white overflow-hidden shadow-brand border border-border">
+          <img src="/krow logo.jpeg" alt="KROW Logo" className="h-full w-full object-cover" />
         </span>
 
         <div className="min-w-0 flex-1">