Backup before cleanup

images-source/make_webp.sh

@@ -16,7 +16,7 @@ echo "   Source: $SOURCE_DIR"
 echo "   Output: $OUTPUT_DIR"
 echo ""
 
-for category in items locations npcs interactables characters; do
+for category in items locations npcs interactables characters placeholder; do
     src="$SOURCE_DIR/$category"
     out="$OUTPUT_DIR/$category"
     
@@ -38,7 +38,7 @@ for category in items locations npcs interactables characters; do
             continue
         fi
         
-        if [[ "$category" == "items" ]]; then
+        if [[ "$category" == "items" || "$category" == "placeholder" ]]; then
             # Special processing for items: remove white background and resize
             echo "  ➜ Converting item: $filename"
             tmp="/tmp/${base}_clean.png"