Upload 4 files

static/chatbot.js

@@ -88,7 +88,7 @@ const Chatbot = (() => {
 
   function hideQuickReplies() { quickReplies.style.display = 'none'; quickReplies.innerHTML = ''; }
   function showUpload() { uploadArea.style.display = 'block'; scrollToBottom(); }
-  function hideUpload() { uploadArea.style.display = 'none'; uploadPreview.style.display = 'none'; uploadDropzone.style.display = 'flex'; uploadedFiles = []; imageDimensions = { width: 0, height: 0 }; if(previewGrid) previewGrid.innerHTML = ''; }
+  function hideUpload() { uploadArea.style.display = 'none'; uploadPreview.style.display = 'none'; uploadDropzone.style.display = 'flex'; if(previewGrid) previewGrid.innerHTML = ''; }
   function showInput(placeholder) { inputArea.style.display = 'block'; userInput.placeholder = placeholder || 'Type your message...'; userInput.focus(); }
   function hideInput() { inputArea.style.display = 'none'; }
 
@@ -245,12 +245,14 @@ const Chatbot = (() => {
         showUpload();
         break;
 
-      case 'XRAY_ANALYZING':
+      case 'XRAY_ANALYZING': {
+        const filesToAnalyze = [...uploadedFiles]; // capture BEFORE hideUpload clears the array
         hideUpload();
-        const fileCount = uploadedFiles.length;
+        const fileCount = filesToAnalyze.length;
         await botSay(`<span class="loader-ring">Sending ${fileCount} file${fileCount>1?'s':''} to AI detection model... This may take a moment.</span>`, true, 400);
-        await analyzeXray();
+        await analyzeXray(filesToAnalyze);
         break;
+      }
 
       case 'CORRELATION':
         await performCorrelation();
@@ -357,10 +359,10 @@ const Chatbot = (() => {
     }
   }
 
-  async function analyzeXray() {
+  async function analyzeXray(files) {
     try {
       const formData = new FormData();
-      uploadedFiles.forEach(f => formData.append('images', f));
+      files.forEach(f => formData.append('images', f));
 
       const resp = await fetch('/api/detect-xray', { method: 'POST', body: formData });
       if (!resp.ok) {
@@ -796,4 +798,4 @@ const Chatbot = (() => {
   return { init };
 })();
 
-document.addEventListener('DOMContentLoaded', () => Chatbot.init());
+document.addEventListener('DOMContentLoaded', () => Chatbot.init());