--- a/src/prox_penalty.rs	Sun Jul 19 07:30:06 2026 +0200
+++ b/src/prox_penalty.rs	Mon Jul 13 12:09:57 2026 -0500
@@ -66,8 +66,8 @@
     /// Iterations between merging heuristic tries
     pub merge_every: usize,
 
-    /// Additional weight optimisation steps
-    pub extra_weight_optimisation_steps: usize,
+    /// Conservative insertion strategy
+    pub conservative: bool,
 }
 
 #[replace_float_literals(F::cast_from(literal))]
@@ -87,6 +87,7 @@
             merge_every: 10,
             merge_tolerance_mult: 2.0,
             extra_weight_optimisation_steps: 0,
+            conservative: true,
         }
     }
 }