Update app.py

app.py

@@ -730,6 +730,17 @@ async def get_vitals_from_upload(
     except Exception as e:
         logger.exception("Failed saving uploaded images")
         raise HTTPException(status_code=500, detail=f"Failed saving images: {e}")
+    
+    # Log received file details
+    try:
+        f_size = os.path.getsize(face_path)
+        e_size = os.path.getsize(eye_path)
+        logger.info(f"Received face_image: {face_image.filename} ({f_size} bytes), eye_image: {eye_image.filename} ({e_size} bytes)")
+        if f_size == 0 or e_size == 0:
+            logger.warning("One of the received images is empty!")
+            raise HTTPException(status_code=400, detail="One or more uploaded images are empty.")
+    except Exception as e:
+        logger.warning(f"Error logging file details: {e}")
 
     try:
         # Run VLM (off the event loop)