First adaptation pass

module/models/armor.mjs

@@ -7,8 +7,21 @@ export default class PrismRPGArmor extends foundry.abstract.TypeDataModel {
 
     schema.description = new fields.HTMLField({ required: true, textSearch: true })
     schema.armorType = new fields.StringField({ required: true, initial: "light", choices: SYSTEM.ARMOR_TYPE })
+
+    // MRR - Movement Rating Reduction (reduced by Vigor sub-attribute)
+    schema.mrr = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: 0, label: "Movement Rating Reduction" })
+
+    // Armor Passive - the passive ability of this armor piece
+    schema.passive = new fields.StringField({ required: false, initial: "", label: "Armor Passive" })
+    schema.passiveDescription = new fields.HTMLField({ required: false, textSearch: true, label: "Passive Description" })
+
+    // Armor Augment - the Withstand action effect (requires augment from class feature)
+    schema.augment = new fields.StringField({ required: false, initial: "", label: "Armor Augment" })
+    schema.augmentDescription = new fields.HTMLField({ required: false, textSearch: true, label: "Augment Description" })
+
+    // Legacy fields for compatibility
     schema.defense = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: -50 })
-    schema.maximumMovement = new fields.StringField({ ...requiredInteger, required: true, initial: "" })
+    schema.maximumMovement = new fields.StringField({ required: false, initial: "" })
     schema.hp = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: 0 })
     schema.damageReduction = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: 0 })
 
@@ -18,7 +31,7 @@ export default class PrismRPGArmor extends foundry.abstract.TypeDataModel {
 
     schema.cost = new fields.NumberField({ required: true, initial: 0, min: 0 })
     schema.money = new fields.StringField({ required: true, initial: "tinbit", choices: SYSTEM.MONEY })
-    
+
     return schema
   }