fix: normalize image filename extension before Appwrite upload

src/app/api/properties/images/route.ts

@@ -39,7 +39,17 @@ export async function POST(request: NextRequest) {
 
   try {
     const buffer = Buffer.from(await file.arrayBuffer());
-    const inputFile = InputFile.fromBuffer(buffer, file.name);
+    const extMap: Record<string, string> = {
+      "image/jpeg": ".jpg",
+      "image/png": ".png",
+      "image/webp": ".webp",
+      "image/gif": ".gif",
+      "image/avif": ".avif",
+    };
+    const ext = extMap[file.type] ?? ".jpg";
+    const baseName = file.name.replace(/\.[^/.]+$/, "");
+    const safeName = baseName + ext;
+    const inputFile = InputFile.fromBuffer(buffer, safeName);
 
     const created = await storage.createFile(
       BUCKETS.propertyImages,