refactor: route core definitions through content catalog

simulation/definitions/SimulationItems.gd

@@ -9,25 +9,13 @@ static func _ensure_cache() -> void:
 	if _cache_valid:
 		return
 	_items = {}
-	_add_weapon(SimulationIds.ITEM_SWORD, "Sword", 24.0, 2.4, 0.55)
-	_add_weapon(SimulationIds.ITEM_CLAW, "Claw", 10.0, 1.2, 0.4)
+	var catalog := ContentCatalog.create_core()
+	if catalog.is_valid():
+		for item in catalog.get_items():
+			_items[item.item_id] = item
 	_cache_valid = true
 
 
-static func _add_weapon(
-	item_id: StringName, display_name: String, damage: float, reach: float, cooldown: float
-) -> void:
-	var item := ItemDefinition.new()
-	item.item_id = item_id
-	item.display_name = display_name
-	item.category = SimulationIds.ITEM_CATEGORY_WEAPON
-	item.equip_slot = SimulationIds.EQUIP_SLOT_HAND
-	item.damage = damage
-	item.reach = reach
-	item.attack_cooldown = cooldown
-	_items[item_id] = item
-
-
 static func invalidate_cache() -> void:
 	_cache_valid = false
 
@@ -42,6 +30,10 @@ static func get_items() -> Array[ItemDefinition]:
 	var values: Array[ItemDefinition] = []
 	for item in _items.values():
 		values.append(item)
+	values.sort_custom(
+		func(first: ItemDefinition, second: ItemDefinition) -> bool:
+			return String(first.item_id) < String(second.item_id)
+	)
 	return values