Merge branch 'main' of https://huggingface.co/spaces/tokyotechlab/fe into develop

main.js

@@ -1,5 +1,7 @@
 import { closeIcon, eyeIcon, fileIcon, trashIcon } from './constants.js';
 
+const IMAGE_DEFAULT_URL = './assets/image-default.jpg';
+
 const inputElement = document.getElementById('file-input');
 const metadataElement = document.getElementById('metadata-input');
 const textInputElement = document.getElementById('text-input');
@@ -683,6 +685,17 @@ function createDefaultMetadataFile() {
   return new File([defaultContent], fileName, { type: 'application/json' });
 }
 
+async function createDefaultImageFile() {
+  const response = await fetch(IMAGE_DEFAULT_URL);
+  if (!response.ok) {
+    throw new Error('Unable to load default image');
+  }
+  const blob = await response.blob();
+  return new File([blob], 'default-image.jpg', {
+    type: blob.type || 'image/jpeg',
+  });
+}
+
 async function handleSubmit() {
   if (isLoading.value) return;
 
@@ -690,9 +703,16 @@ async function handleSubmit() {
   outputElement.innerHTML =
     '<p class="opacity-50">Verification result comes here...</p>';
 
-  if (files.value.length === 0) {
-    createTemplateModal('Please upload media files');
-    return;
+  let mediaFiles = files.value;
+  if (mediaFiles.length === 0) {
+    try {
+      const defaultImageFile = await createDefaultImageFile();
+      mediaFiles = [defaultImageFile]; // Use fallback for submission only; do not show in UI
+    } catch (error) {
+      console.error('Error loading default image:', error);
+      createTemplateModal('Please upload media files');
+      return;
+    }
   }
 
   isLoading.value = true;
@@ -709,7 +729,7 @@ async function handleSubmit() {
     MediaInfo.mediaInfoFactory({ format: 'JSON' }, resolve);
   });
   let isGetTimed = false;
-  for (const [index, file] of files.value.entries()) {
+  for (const [index, file] of mediaFiles.entries()) {
     const readChunk = async (chunkSize, offset) =>
       new Uint8Array(
         await file.slice(offset, offset + chunkSize).arrayBuffer()