Validation update: empty input

app.py

@@ -32,6 +32,10 @@ SEARCH_MODEL = os.getenv("SEARCH_MODEL")
 
 # Function to process and verify news
 def evaluate_news(news_input):
+    if not news_input.strip():
+        yield "**⚠️ Warning:** Input cannot be empty. Please enter news text or a URL."
+        return
+
     yield "**Processing... Please wait.** ⏳"
 
     # Handle URL input