Add new PNG images for clean and preview outputs

- Added `image_clean.png` to the output directory for the clean image representation.
- Added `image_clean_preview.png` for the preview of the clean image.
- Introduced `image_svg_clean.png` for the SVG clean image representation.

engine/scoring.py

@@ -1,13 +1,18 @@
 
 import datetime
 
+from runtime_paths import persistent_data_path
+
+
+SCORES_FILE = persistent_data_path("scores.txt", default_text="")
+
 
 class Scoring:
     # ==================== SCORING ====================
     
     def save_score(self):
         # Save to traditional scores.txt file
-        with open("scores.txt", "a") as f:
+        with SCORES_FILE.open("a", encoding="utf-8") as f:
             player_name = getattr(self, 'profile_integration', None)
             if player_name and hasattr(player_name, 'get_profile_name'):
                 name = player_name.get_profile_name()
@@ -19,7 +24,7 @@ class Scoring:
     def read_score(self):
         table = []
         try:
-            with open("scores.txt") as f:
+            with SCORES_FILE.open(encoding="utf-8") as f:
                 rows = f.read().splitlines()
                 for row in rows:
                     parts = row.split(" - ")