Add SweetHome logo as OG image fallback for Facebook share

- Always includes logo.png as OG image
- Property images shown first if available, logo as second
- If no property images, shows logo only

app/property/[id]/page.js

@@ -61,9 +61,15 @@ export async function generateMetadata({ params }) {
 
   const p = mapProperty(raw);
   const priceStr = `${p.price.toLocaleString()} ل.س / ${p.priceUnit === 'daily' ? 'يوم' : 'شهر'}`;
-  const imageUrl = p.image
+  const propertyImage = p.image
     ? (p.image.startsWith('http') ? p.image : `http://45.93.137.91${p.image}`)
     : '';
+  const logoUrl = `http://45.93.137.91/logo.png`;
+
+  // Use property image if available, otherwise logo
+  const ogImages = propertyImage
+    ? [{ url: propertyImage, width: 1200, height: 630 }, { url: logoUrl, width: 512, height: 512 }]
+    : [{ url: logoUrl, width: 512, height: 512 }];
 
   return {
     title: `${p.title} - ${priceStr}`,
@@ -71,8 +77,8 @@ export async function generateMetadata({ params }) {
     openGraph: {
       title: `${p.title} - ${priceStr}`,
       description: p.description,
-      images: imageUrl ? [imageUrl] : [],
-      url: `https://sweethome.example/property/${id}`,
+      images: ogImages,
+      url: `http://45.93.137.91/property/${id}`,
       type: 'website',
       siteName: 'SweetHome',
     },
@@ -80,7 +86,7 @@ export async function generateMetadata({ params }) {
       card: 'summary_large_image',
       title: `${p.title} - ${priceStr}`,
       description: p.description,
-      images: imageUrl ? [imageUrl] : [],
+      images: ogImages.map(i => i.url),
     },
   };
 }