修复双次打印bug

src/main/java/org/jcnc/snow/vm/engine/VirtualMachineEngine.java

@@ -118,8 +118,7 @@ public class VirtualMachineEngine {
             rootLvs.compact();       // trim leading / trailing null slots
         }
 
-        printStack();
-        printLocalVariables();
+
     }
 
     /* ---------- Helper: ensure root frame ---------- */

test

@@ -6,9 +6,9 @@ module: CommonTasks
         return_type:int
 
         body:
-            num1 = 10
-            num2=1
-            return num1 + CommonTasks.test(2)
+            num1 = 1
+            num2=2
+            return num1 + CommonTasks.test(3)
         end body
     end function
 
@@ -18,7 +18,7 @@ module: CommonTasks
         return_type:int
         body:
             declare result : int
-            declare num2: int =1
+            declare num2: int =4
             result = num2 + num1
             return result
         end body