Update app.py

app.py

@@ -280,7 +280,7 @@ def create_pdf(markdown_text, base_font_size, render_with_bold, auto_bold_number
                     column_cells[col_idx].append(Paragraph(apply_emoji_font(heading_text, "NotoEmoji-Bold"), heading_style))
                 elif item.startswith("<b>") and item.endswith("</b>"):
                     content = item[3:-4].strip()
-                    # Apply numbered_bold_style to all numbered lines (top-level and sub-level)
+                    # Ensure all numbered lines use numbered_bold_style
                     if number_pattern.match(content):
                         column_cells[col_idx].append(Paragraph(apply_emoji_font(content, "NotoEmoji-Bold"), numbered_bold_style))
                     else:
@@ -400,8 +400,8 @@ def create_crossfile_pdfs(source_pdf="TestSource.pdf", target_pdf="TestTarget.pd
 
     create_base_pdf(source_pdf)
     create_base_pdf(target_pdf)
-    add_bookmark_to_seven(target_pdf)
-    modify_source_pdf(source_pdf, target_pdf)
+    add_bookmark_to_seven(pdf_file)
+    modify_source_pdf(source, target)
     add_internal_link(source_pdf)
     add_internal_link(target_pdf)
     return source_pdf, target_pdf