Add model source to Classification Summary

app.py

@@ -137,6 +137,7 @@ def generate_codebook_pdf(categories, model, column_name, num_rows, model_source
     summary_data = [
         ["Source Column", column_name],
         ["Model Used", model],
+        ["Model Source", model_source],
         ["Rows Classified", str(num_rows)],
         ["Number of Categories", str(len(categories))],
         ["Success Rate", f"{success_rate:.2f}%"],