First iteration over items

module/models/skill.mjs

@@ -1,4 +1,4 @@
-import { SYSTEM } from "../config/system.mjs"
+import { CORE_SKILLS_CHOICES, CORE_SKILL_BONUS, CORE_SKILLS } from "../config/skill.mjs"
 
 /**
  * Core Skill data model for Prism RPG
@@ -25,7 +25,7 @@ export default class PrismRPGSkill extends foundry.abstract.TypeDataModel {
     schema.coreSkill = new fields.StringField({
       required: true,
       initial: "acrobatics",
-      choices: Object.keys(SYSTEM.CORE_SKILLS || {}),
+      choices: CORE_SKILLS_CHOICES,
       label: "Core Skill"
     })
 
@@ -82,7 +82,7 @@ export default class PrismRPGSkill extends foundry.abstract.TypeDataModel {
    * Get the Core Skill definition from SYSTEM
    */
   get coreSkillDefinition() {
-    return SYSTEM.CORE_SKILLS?.[this.coreSkill] || null
+    return CORE_SKILLS?.[this.coreSkill] || null
   }
 
   /**
@@ -109,7 +109,7 @@ export default class PrismRPGSkill extends foundry.abstract.TypeDataModel {
 
     // If this is the character's Core Skill, apply bonuses
     if (this.isCoreSkill) {
-      this.modifier = SYSTEM.CORE_SKILL_BONUS?.basic || 5
+      this.modifier = CORE_SKILL_BONUS?.basic || 5
       this.canAdvancedCheck = true
     } else {
       this.modifier = 0