메인 연결 페이지의 탭 종료와 복귀 동작 통일

app/game-frontend/src/views/NpcControlView.vue

@@ -1,4 +1,6 @@
 <script setup lang="ts">
+import { usePageExit } from '../composables/usePageExit';
+
 import { computed, onMounted, ref, watch } from 'vue';
 
 import SortableStringList from '../components/ui/SortableStringList';
@@ -6,6 +8,8 @@ import { useGameFeedback } from '../composables/useGameFeedback';
 import { npcPriorityHelp } from '../utils/npcPriorityHelp';
 import { trpc } from '../utils/trpc';
 
+const { pageExitLabel, exitPage } = usePageExit();
+
 type NpcPolicyResponse = Awaited<ReturnType<typeof trpc.npc.getPolicy.query>>;
 type NationPolicy = NpcPolicyResponse['currentNationPolicy'];
 type NumericPolicyKey = Exclude<keyof NationPolicy, 'CombatForce' | 'SupportForce' | 'DevelopForce'>;
@@ -363,9 +367,13 @@ const submitPriority = async (section: PrioritySectionKey) => {
 <template>
     <main id="npc-policy-page" class="npc-page">
         <nav class="top-back-bar legacy-bg0">
-            <RouterLink class="legacy-button legacy-button--navigation legacy-button--fixed-height back-button" to="/"
-                >돌아가기</RouterLink
+            <button
+                class="legacy-button legacy-button--navigation legacy-button--fixed-height back-button"
+                type="button"
+                @click="exitPage"
             >
+                {{ pageExitLabel }}
+            </button>
             <strong>NPC 정책</strong>
         </nav>