Extend ROM-text messages to statuses, items and the learn/evolve flows

src/battle/BattleState.lua

@@ -385,8 +385,8 @@ local function displayName(b)
 end
 
 -- Apply the "Enemy " prefix to a pre-built message from a module that
--- only knows the raw nickname (Status.beforeMove/residual,
--- TrainerAI.useItem): splice it in before the first name occurrence.
+-- only knows the raw nickname (Status.beforeMove/residual): splice it
+-- in before the first name occurrence.
 local function prefixEnemy(msg, battler)
   if battler.isPlayer then return msg end
   local s = msg:find(battler.name, 1, true)
@@ -3044,8 +3044,11 @@ function BattleState:executeAction(user, target, action)
     -- trainer class AI actions (engine/battle/trainer_ai.asm)
     if action.special == "aiItem" then
       self.aiUses = (self.aiUses or 1) - 1
+      -- useItem's messages arrive final: its item line prints the raw
+      -- nickname on purpose (no "Enemy " in AIPrintItemUseText), so the
+      -- prefix splice must not touch them.
       for _, m in ipairs(TrainerAI.useItem(self, action.item)) do
-        self:sayNext(prefixEnemy(m, self.enemy))
+        self:sayNext(m)
       end
       self:drainNext()
       require("src.core.Sound").play(self.data, "Heal_Ailment")