weapon slots and loadout done

scripts/resource_definitions/weapon_def.gd

@@ -0,0 +1,15 @@
+class_name WeaponDef
+extends Resource
+
+## Data-only description of a weapon type. Never mutated at runtime.
+
+enum Size {ANCILLIARY, SMALL, MEDIUM, LARGE, HUGE}
+enum Type {BALLISTIC, ENERGY, MISSILE, TORPEDO}
+
+@export var display_name := "Weapon Cannon"
+@export var weapon_scene: PackedScene   # the mounted body — consumed by slots in Part 3
+@export var ammo: AmmoDef               # what it fires
+@export var fire_interval := 1.5        # seconds between shots
+@export var muzzle_speed_scale := 1.0   # multiplier over ammo.muzzle_speed (barrel length)
+@export var size := Size.MEDIUM
+@export var type := Type.BALLISTIC