Metric stacking bug fixed

ml/MetricsOverlay.py

@@ -97,7 +97,12 @@ class MetricsHUD:
             )
 
     def reset(self) -> None:
-        """Clears text reference on environment reset."""
+        """Removes the active debug text item so a new episode starts with a clean overlay."""
+        if self._text_id is not None:
+            try:
+                p.removeUserDebugItem(self._text_id, physicsClientId=self.client_id)
+            except Exception:
+                pass
         self._text_id = None
 
 
@@ -134,4 +139,9 @@ class LeaderCrown:
             )
 
     def reset(self):
+        if self._text_id is not None:
+            try:
+                p.removeUserDebugItem(self._text_id, physicsClientId=self.client_id)
+            except Exception:
+                pass
         self._text_id = None