First row of tests and fixes

module/models/field.mjs

@@ -10,13 +10,14 @@ export default class AwEField extends foundry.abstract.TypeDataModel {
       required: true,
       nullable: false,
       initial: "agility",
-      choices: Object.keys(SYSTEM.ATTRIBUTES)
+      choices: Object.fromEntries(Object.values(SYSTEM.ATTRIBUTES).map(a => [a.id, a.label]))
     })
     schema.keyAttribute2 = new fields.StringField({
       required: false,
       nullable: true,
-      initial: null,
-      choices: [...Object.keys(SYSTEM.ATTRIBUTES), null]
+      initial: "",
+      blank: true,
+      choices: { "": "—", ...Object.values(SYSTEM.ATTRIBUTES).reduce((o, a) => { o[a.id] = a.label; return o }, {}) }
     })
     schema.specializations = new fields.ArrayField(new fields.StringField())
     schema.knowledgeBonus = new fields.StringField({ initial: "", required: false, nullable: true })