refactor(frontend): modularize i18n architecture

frontend/src/features/providers/components/ProviderEmptyState.vue

@@ -0,0 +1,30 @@
+<template>
+  <div class="flex flex-col items-center justify-center py-16 text-center">
+    <div class="mb-2 text-muted-foreground">
+      {{ legacyT(hasActiveFilters ? '未找到匹配当前筛选条件的提供商' : '暂无提供商，点击右上角添加') }}
+    </div>
+    <Button
+      v-if="hasActiveFilters"
+      variant="outline"
+      size="sm"
+      @click="$emit('resetFilters')"
+    >
+      {{ legacyT('清除筛选') }}
+    </Button>
+  </div>
+</template>
+
+<script setup lang="ts">
+import Button from '@/components/ui/button.vue'
+import { useI18n } from '@/i18n'
+
+defineProps<{
+  hasActiveFilters: boolean
+}>()
+
+defineEmits<{
+  resetFilters: []
+}>()
+
+const { legacyT } = useI18n()
+</script>