Update app.py

app.py

@@ -153,7 +153,7 @@ def enhance_document():
         print("Creating output document...", file=sys.stderr)
 
         # Choose output format: keep same as input if docx/pdf, else default to docx
-        output_format = file_ext if file_ext in ['.docx', '.pdf'] else '.docx'
+        output_format = '.docx'
 
         # ALWAYS treat processed_content as LaTeX for Pandoc
         output_file = doc_converter.create_document(