Fix: use dash instead of pipe in org+user format

app.py

@@ -201,8 +201,8 @@ if __name__ == "__main__":
                 if profile is None:
                     return "⚠️ Please login with HuggingFace first to submit."
                 
-                # Append HF username to organization
-                org_with_user = f"{org} | user {profile.username}"
+                # Append HF username to organization (use dash instead of pipe to pass validation)
+                org_with_user = f"{org} - user {profile.username}"
                 return process_submission(split, agent_name, model_family, repo_url, file, org_with_user, mail)
             
             submit_button.click(