Various items fixes and enhancements

module/models/weapon.mjs

@@ -54,15 +54,19 @@ export default class PrismRPGWeapon extends foundry.abstract.TypeDataModel {
       initial: ""
     })
 
-    // Weapon-specific passive ability
-    schema.passive = new fields.StringField({
+    // Weapon-specific passive abilities
+    schema.passives = new fields.ArrayField(new fields.SchemaField({
+      name: new fields.StringField({
+        required: true,
+        initial: ""
+      }),
+      description: new fields.HTMLField({
+        required: true,
+        initial: ""
+      })
+    }), {
       required: true,
-      initial: ""
-    })
-
-    schema.passiveDescription = new fields.HTMLField({
-      required: true,
-      initial: ""
+      initial: []
     })
 
     // Maneuver(s) available with this weapon
@@ -120,6 +124,7 @@ export default class PrismRPGWeapon extends foundry.abstract.TypeDataModel {
     schema.cost = new fields.NumberField({ ...requiredInteger, required: true, initial: 0, min: 0 })
     schema.money = new fields.StringField({ required: true, initial: "tinbit", choices: SYSTEM.MONEY })
     schema.equipped = new fields.BooleanField({ required: true, initial: false })
+    schema.isImplement = new fields.BooleanField({ required: true, initial: false })
 
     return schema
   }