feat(mods): expose read-only battle snapshots

src/inventory/ItemEffects.lua

@@ -83,6 +83,12 @@ function ItemEffects.healsHP(id)
       or id == "REVIVE" or id == "MAX_REVIVE"
 end
 
+function ItemEffects.isBattleMedicine(id)
+  return HEAL_AMOUNT[id] ~= nil or STATUS_HEAL[id] ~= nil
+      or id == "MAX_POTION" or id == "FULL_RESTORE"
+      or id == "REVIVE" or id == "MAX_REVIVE"
+end
+
 -- Does this item need a party-member target?
 -- 'data' is optional for compat purposes; targeting falls back to itemDef/vanilla detection
 function ItemEffects.needsTarget(id, itemDef, data)