chore: battle result UI, demo locales, and scene updates

src/App.vue

@@ -393,11 +393,13 @@ init()
         @skip="handleSkip"
         @speed-change="handleSpeedChange"
       />
-      <BattleResult
-        v-if="store.showBattleResult"
-        :result="store.battleResultData"
-        @continue="onBattleResultContinue"
-      />
+      <Transition name="battle-result">
+        <BattleResult
+          v-if="store.showBattleResult"
+          :result="store.battleResultData"
+          @continue="onBattleResultContinue"
+        />
+      </Transition>
       <MainMenu
         v-if="!started || store.gameEnded"
         :show-resume="!store.gameEnded && hasAutoSave"
@@ -651,3 +653,10 @@ html, body {
 .prompt-toast-enter-from,
 .prompt-toast-leave-to { opacity: 0; }
 </style>
+
+<style>
+.battle-result-enter-active { transition: all 0.3s ease-out; }
+.battle-result-leave-active { transition: all 0.2s ease-in; }
+.battle-result-enter-from { opacity: 0; }
+.battle-result-leave-to { opacity: 0; transform: scale(0.95); }
+</style>