add back pruning

src/complexagent.rs

@@ -16,7 +16,7 @@ impl ComplexAgent {
             max_depth: 20,
             min_arena_depth_sub: 3,
             top_k_children: 2,
-            up_to_minus: 3,
+            up_to_minus: usize::MAX, // disable pruning
             max_arena_size: 10_000_000,
         };
         Self {

src/logic/future_moves.rs

@@ -94,7 +94,7 @@ impl FutureMoves {
                     }
                 });
 
-            // self.prune_bad_children();
+            self.prune_bad_children();
             self.current_depth += 1;
             if cf.is_break() {
                 println!("extend_layers: early break");