feat(i18n): 添加交易相关的本地化支持，包括订单确认、撤单和交易方式等翻译

src/views/trade/components/trade-switch.vue

@@ -4,15 +4,16 @@ import type { PropType } from "vue";
 type Active = "buy" | "sell";
 
 const active = defineModel<Active>("active", { type: String as PropType<Active>, default: "buy" });
+const { t } = useI18n();
 </script>
 
 <template>
   <div class="container">
     <div class="btn" :class="[active === 'buy' && 'buy']" @click="active = 'buy'">
-      买入
+      {{ t('trade.buy') }}
     </div>
     <div class="btn" :class="[active === 'sell' && 'sell']" @click="active = 'sell'">
-      卖出
+      {{ t('trade.sell') }}
     </div>
   </div>
 </template>