fix(perf): cache fonts in sport base classes to avoid disk I/O per frame (#285)

* fix(perf): cache fonts in sport base classes to avoid disk I/O per frame

Replace 7 ImageFont.truetype() calls in display methods with cached
self.fonts['detail'] lookups. The 4x6-font.ttf at size 6 is already
loaded once in _load_fonts() — loading it again on every display()
call causes unnecessary disk I/O on each render frame (~30-50 FPS).

Files: sports.py (2), football.py (1), hockey.py (2), basketball.py (1), baseball.py (1)

Co-Authored-By: 5ymb01 <noreply@github.com>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* chore: trigger CodeRabbit review

---------

Co-authored-by: 5ymb01 <5ymb01@users.noreply.github.com>
Co-authored-by: 5ymb01 <noreply@github.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

src/base_classes/basketball.py

@@ -201,14 +201,7 @@ class BasketballLive(Basketball, SportsLive):
 
             # Draw records or rankings if enabled
             if self.show_records or self.show_ranking:
-                try:
-                    record_font = ImageFont.truetype("assets/fonts/4x6-font.ttf", 6)
-                    self.logger.debug(f"Loaded 6px record font successfully")
-                except IOError:
-                    record_font = ImageFont.load_default()
-                    self.logger.warning(
-                        f"Failed to load 6px font, using default font (size: {record_font.size})"
-                    )
+                record_font = self.fonts.get('detail', ImageFont.load_default())
 
                 # Get team abbreviations
                 away_abbr = game.get("away_abbr", "")