i18n: replace hardcoded strings with language translations

批量将项目中多处硬编码的文本替换为多语言翻译条目，统一项目文案管理，提升多语言适配效率，包括导航提示、操作反馈、空状态提示、表单占位符等各类文本内容。

pages_tool/storeclose/storeclose.vue

@@ -38,13 +38,13 @@ export default {
 	},
 	computed: {
 		textVal() {
-			return '该店铺已打烊...';
+			return this.$lang('storeclose.storeClosed');
 		},
 		pageVal() {
 			if (this.$store.state.siteState == -2) {
-				return '店铺不存在';
+				return this.$lang('storeclose.storeNotExist');
 			} else if (this.$store.state.siteState == -3) {
-				return '店铺打烊';
+				return this.$lang('storeclose.storeClosed');
 			}
 		}
 	},