Add support for Hp grow bonus and Leaning bonus.

composeApp/src/commonMain/kotlin/com/pixelized/desktop/lwa/parser/arithmetic/Instruction.kt

@@ -1,16 +1,15 @@
 package com.pixelized.desktop.lwa.parser.arithmetic
 
-sealed class Instruction(
-    val sign: Int,
-) {
-    class Dice(
-        sign: Int,
+sealed class Instruction {
+    abstract val sign: Int
+
+    data class Dice(
+        override val sign: Int,
         val modifier: Modifier?,
         val quantity: Int,
         val faces: Int,
-    ) : Instruction(
-        sign = sign,
-    ) {
+    ) : Instruction() {
+
         enum class Modifier {
             ADVANTAGE,
             DISADVANTAGE,
@@ -29,23 +28,20 @@ sealed class Instruction(
         }
     }
 
-    class Flat(
-        sign: Int,
+    data class Flat(
+        override val sign: Int,
         val value: Int,
-    ) : Instruction(
-        sign = sign,
-    ) {
+    ) : Instruction() {
         override fun toString(): String {
             return "${sign.sign}${value}"
         }
     }
 
-    class Word(
-        sign: Int,
+    data class Word(
+        override val sign: Int,
         val type: Type,
-    ) : Instruction(
-        sign = sign
-    ) {
+    ) : Instruction() {
+
         enum class Type {
             BDC, // Damages bonus for melee
             BDD, // Damages bonus for range