Fix as per CSV sheet tracking + creature explanation

module/models/creature.mjs

@@ -1,27 +1,39 @@
 import { SYSTEM } from "../config/system.mjs"
-import { abilitySchema, htmlField, numberField, stringField, trackSchema } from "./shared.mjs"
+import { htmlField, numberField, stringField, trackSchema } from "./shared.mjs"
+
+const CREATURE_TYPES = ["human", "construct", "animal"]
 
 export default class MGNECreature extends foundry.abstract.TypeDataModel {
   static defineSchema() {
     const fields = foundry.data.fields
 
     return {
-      abilities: abilitySchema(),
       hp: trackSchema(1, 1),
       morale: numberField(7, 2, 12),
       armor: new fields.SchemaField({
         die: new fields.StringField({ required: true, nullable: false, initial: "0", choices: SYSTEM.armorDieChoices }),
       }),
-      attack: new fields.SchemaField({
-        label: stringField("Attack"),
-        damage: stringField("1d4"),
-      }),
+      creatureType: new fields.SetField(
+        new fields.StringField({ required: true, choices: CREATURE_TYPES }),
+        { required: true, nullable: false, initial: [] }
+      ),
+      number: stringField("1"),
+      actionTableUuid: stringField(""),
       description: htmlField(""),
-      special: htmlField(""),
-      notes: htmlField(""),
     }
   }
 
   /** @override */
   static LOCALIZATION_PREFIXES = ["MGNE.Creature"]
+
+  /** @override */
+  static migrateData(source) {
+    // Remove old attack field if present (no longer part of the schema)
+    if ("attack" in source) delete source.attack
+    // Form submissions send null for unchecked checkboxes in array fields — filter them out
+    if (Array.isArray(source.creatureType)) {
+      source.creatureType = source.creatureType.filter(v => v != null && v !== "")
+    }
+    return super.migrateData(source)
+  }
 }