feat: i18n StoryGallery UI labels and data layer chapter/ending names

src/components/StoryGallery.vue

@@ -1,6 +1,9 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue'
 import type { ChapterInfo, SceneNode, EndingDef } from '@engine/types'
+import { useI18n } from '@/composables/useI18n'
+
+const { t } = useI18n()
 
 const props = defineProps<{
   chapters: ChapterInfo[]
@@ -117,7 +120,7 @@ function toggleExpand(chapterId: string) {
 <template>
   <div class="story-overlay" @click.self="emit('close')" @keydown.escape="emit('close')">
     <div class="story-panel">
-      <h2 class="story-title">故事进度</h2>
+      <h2 class="story-title">{{ t('ui.story') }}</h2>
 
       <div class="story-grid">
         <div
@@ -131,7 +134,7 @@ function toggleExpand(chapterId: string) {
               <img v-if="ch.thumbnail" :src="ch.thumbnail" class="thumb-img" />
               <div v-else class="thumb-placeholder">?</div>
             </div>
-            <div class="card-label">{{ ch.label }}</div>
+            <div class="card-label">{{ t(ch.labelKey || ch.label) }}</div>
 
             <div class="card-progress" v-if="unlockedChapterIds.has(ch.id)">
               <div class="mini-progress-bar">
@@ -146,14 +149,14 @@ function toggleExpand(chapterId: string) {
                 :key="end.id"
                 class="ending-tag"
                 :class="{ unlocked: endingStatus(end.id) }"
-              >{{ endingStatus(end.id) ? '✅' : '🔒' }} {{ end.label }}</span>
+              >{{ endingStatus(end.id) ? '✅' : '🔒' }} {{ t(end.labelKey || end.label) }}</span>
             </div>
 
             <button
               v-if="unlockedChapterIds.has(ch.id)"
               class="card-start-btn"
               @click.stop="emit('startChapter', ch.id)"
-            >▶ 开始</button>
+            >▶ {{ t('ui.startChapter') }}</button>
           </div>
 
           <div class="card-recap" v-if="expandedChapterId === ch.id">
@@ -173,7 +176,7 @@ function toggleExpand(chapterId: string) {
         </div>
       </div>
 
-      <button class="story-close" @click="emit('close')">关闭</button>
+      <button class="story-close" @click="emit('close')">{{ t('ui.close') }}</button>
     </div>
   </div>
 </template>