Update app.py

app.py

@@ -545,6 +545,27 @@ gr.HTML("""
 </div>
 """)
 
+def process_all(mode, workbook_file, ups, pu, fmt, w, h):
+    # 📄 Workbook mode
+    if mode.startswith("📄"):
+        data, msg = read_uploaded_workbook(workbook_file)
+        if not data:
+            # no links → just show the fetch‑error
+            return [], None, msg, None
+        # got a list of dicts → process them
+        return process_and_zip(data, fmt, w, h)
+
+    # 📤 Direct image files
+    if mode.startswith("📤") and ups:
+        return process_uploaded_images(ups, fmt, w, h)
+
+    # 🔗 Single URL
+    if pu and pu.strip():
+        return process_single_url_image(pu, fmt, w, h)
+
+    # nothing valid
+    return [], None, "⚠️ No valid input provided", None
+
 with gr.Blocks(css=css) as demo:
     # ─── States ───
     image_data_state = gr.State([])
@@ -636,7 +657,7 @@ with gr.Blocks(css=css) as demo:
     )
 
     process_btn.click(
-        fn=lambda mode, sd, ups, pu, fmt, w, h: (
+        fn=process_all, sd, ups, pu, fmt, w, h: (
             process_url_images(sd, fmt, w, h) if mode.startswith("📄") and sd else
             process_uploaded_images(ups, fmt, w, h) if mode.startswith("📤") and ups else
             process_single_url_image(pu, fmt, w, h) if pu.strip() else