fix: repair f-string in zip progress

pdf_renamer.py

@@ -1578,7 +1578,11 @@ def process_job(job_id, files):
                         zip_out.write(file_path, arcname)
             job_queue[job_id]['zip_path'] = zip_output
             job_queue[job_id]['zip_name'] = f'renamed_{job_id}.zip'
-            job_queue[job_id]['progress'] = f'Created ZIP archive with {len([p for p in processed_files if p[0] == 'success'])} organized files and {len([p for p in processed_files if p[0] == 'skipped'])} skipped files'
+            success_count = len([p for p in processed_files if p[0] == 'success'])
+            skipped_count = len([p for p in processed_files if p[0] == 'skipped'])
+            job_queue[job_id]['progress'] = (
+                f"Created ZIP archive with {success_count} organized files and {skipped_count} skipped files"
+            )
             save_jobs()  # Persist completion progress
             print(f"DEBUG: ZIP creation completed successfully")
             # Clean up Episode directory after successful ZIP creation