fix: resolve 22 remaining issues - type exports, dead code, state mutations, orphaned components

src/lib/game/data/enchantments/index.ts

@@ -3,6 +3,7 @@
 
 // Import types
 import type { EnchantmentEffectCategory, EnchantmentEffectDef } from '../enchantment-types'
+import type { EquipmentCategory } from '../equipment'
 
 // Import all category-specific effect collections
 import { SPELL_EFFECTS } from './spell-effects'