Fix overlay service permission issue by running as root for shared volume access

squashkiwi-streaming/config/overlay/overlay_service.py

@@ -246,8 +246,20 @@ class ScoreOverlayService:
         
         # Initialize overlay text
         court_name = os.getenv('COURT_NAME', f'Court {self.court_number}')
-        with open('/tmp/score.txt', 'w') as f:
-            f.write(f"{court_name} - Waiting for match...")
+        try:
+            # Create file with write permissions for all
+            with open('/tmp/score.txt', 'w') as f:
+                f.write(f"{court_name} - Waiting for match...")
+            os.chmod('/tmp/score.txt', 0o666)
+        except PermissionError:
+            # If file exists and we can't write, try to remove and recreate
+            try:
+                os.remove('/tmp/score.txt')
+                with open('/tmp/score.txt', 'w') as f:
+                    f.write(f"{court_name} - Waiting for match...")
+                os.chmod('/tmp/score.txt', 0o666)
+            except:
+                logger.error("Cannot create score.txt file - check permissions")
         
         await self.cleanup_old_recordings()
         last_cleanup = datetime.now()