Fix logo image paths to use public/images directory

Header logo and page loader were referencing a non-existent /loyaly_php/assets/images path; point them at the actual public/images assets.

src/components/Header.tsx

@@ -71,7 +71,7 @@ export default function Header() {
         >
           <div className="page-loader">
             <Image
-              src="/loyaly_php/assets/images/loyalyai-logo.png"
+              src="/images/loyalyai-logo.png"
               alt="Loyaly.AI"
               width={100}
               height={100}
@@ -120,7 +120,7 @@ export default function Header() {
         {/* Panel header */}
         <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
           <Image
-            src="/loyaly_php/assets/images/loyalyai.png"
+            src="/images/loyalyai.png"
             alt="Loyaly.AI"
             width={140}
             height={40}
@@ -247,7 +247,7 @@ export default function Header() {
           <div style={{ flexShrink: 0, flex: 1, minWidth: 120 }}>
             <Link href="/" aria-label="Loyaly.AI home" style={{ display: 'inline-flex', alignItems: 'center', textDecoration: 'none' }}>
               <Image
-                src="/loyaly_php/assets/images/loyalyai.png"
+                src="/images/loyalyai.png"
                 alt="Loyaly.AI"
                 width={160}
                 height={48}