feat: add data import/export bundle

frontend/src/components/admin/account/AccountTableActions.vue

@@ -7,6 +7,7 @@
     <slot name="after"></slot>
     <button @click="$emit('sync')" class="btn btn-secondary">{{ t('admin.accounts.syncFromCrs') }}</button>
     <button @click="$emit('create')" class="btn btn-primary">{{ t('admin.accounts.createAccount') }}</button>
+    <slot name="afterCreate"></slot>
   </div>
 </template>
 

frontend/src/components/admin/account/ImportDataModal.vue

@@ -0,0 +1,168 @@
+<template>
+  <BaseDialog
+    :show="show"
+    :title="t('admin.accounts.dataImportTitle')"
+    width="normal"
+    close-on-click-outside
+    @close="handleClose"
+  >
+    <form id="import-data-form" class="space-y-4" @submit.prevent="handleImport">
+      <div class="text-sm text-gray-600 dark:text-dark-300">
+        {{ t('admin.accounts.dataImportHint') }}
+      </div>
+      <div
+        class="rounded-lg border border-amber-200 bg-amber-50 p-3 text-xs text-amber-600 dark:border-amber-800 dark:bg-amber-900/20 dark:text-amber-400"
+      >
+        {{ t('admin.accounts.dataImportWarning') }}
+      </div>
+
+      <div>
+        <label class="input-label">{{ t('admin.accounts.dataImportFile') }}</label>
+        <input
+          type="file"
+          class="input"
+          accept="application/json,.json"
+          @change="handleFileChange"
+        />
+        <p v-if="fileName" class="mt-2 text-xs text-gray-500 dark:text-dark-400">
+          {{ fileName }}
+        </p>
+      </div>
+
+      <div
+        v-if="result"
+        class="space-y-2 rounded-xl border border-gray-200 p-4 dark:border-dark-700"
+      >
+        <div class="text-sm font-medium text-gray-900 dark:text-white">
+          {{ t('admin.accounts.dataImportResult') }}
+        </div>
+        <div class="text-sm text-gray-700 dark:text-dark-300">
+          {{ t('admin.accounts.dataImportResultSummary', result) }}
+        </div>
+
+        <div v-if="errorItems.length" class="mt-2">
+          <div class="text-sm font-medium text-red-600 dark:text-red-400">
+            {{ t('admin.accounts.dataImportErrors') }}
+          </div>
+          <div
+            class="mt-2 max-h-48 overflow-auto rounded-lg bg-gray-50 p-3 font-mono text-xs dark:bg-dark-800"
+          >
+            <div v-for="(item, idx) in errorItems" :key="idx" class="whitespace-pre-wrap">
+              {{ item.kind }} {{ item.name || item.proxy_key || '-' }} — {{ item.message }}
+            </div>
+          </div>
+        </div>
+      </div>
+    </form>
+
+    <template #footer>
+      <div class="flex justify-end gap-3">
+        <button class="btn btn-secondary" type="button" :disabled="importing" @click="handleClose">
+          {{ t('common.cancel') }}
+        </button>
+        <button
+          class="btn btn-primary"
+          type="submit"
+          form="import-data-form"
+          :disabled="importing"
+        >
+          {{ importing ? t('admin.accounts.dataImporting') : t('admin.accounts.dataImportButton') }}
+        </button>
+      </div>
+    </template>
+  </BaseDialog>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { useI18n } from 'vue-i18n'
+import BaseDialog from '@/components/common/BaseDialog.vue'
+import { adminAPI } from '@/api/admin'
+import { useAppStore } from '@/stores/app'
+import type { AdminDataImportResult } from '@/types'
+
+interface Props {
+  show: boolean
+}
+
+interface Emits {
+  (e: 'close'): void
+  (e: 'imported'): void
+}
+
+const props = defineProps<Props>()
+const emit = defineEmits<Emits>()
+
+const { t } = useI18n()
+const appStore = useAppStore()
+
+const importing = ref(false)
+const file = ref<File | null>(null)
+const result = ref<AdminDataImportResult | null>(null)
+
+const fileName = computed(() => file.value?.name || '')
+
+const errorItems = computed(() => result.value?.errors || [])
+
+watch(
+  () => props.show,
+  (open) => {
+    if (open) {
+      file.value = null
+      result.value = null
+    }
+  }
+)
+
+const handleFileChange = (event: Event) => {
+  const target = event.target as HTMLInputElement
+  file.value = target.files?.[0] || null
+}
+
+const handleClose = () => {
+  if (importing.value) return
+  emit('close')
+}
+
+const handleImport = async () => {
+  if (!file.value) {
+    appStore.showError(t('admin.accounts.dataImportSelectFile'))
+    return
+  }
+
+  importing.value = true
+  try {
+    const text = await file.value.text()
+    const dataPayload = JSON.parse(text)
+
+    const res = await adminAPI.accounts.importData({
+      data: dataPayload,
+      skip_default_group_bind: true
+    })
+
+    result.value = res
+
+    const msgParams: Record<string, unknown> = {
+      account_created: res.account_created,
+      account_failed: res.account_failed,
+      proxy_created: res.proxy_created,
+      proxy_reused: res.proxy_reused,
+      proxy_failed: res.proxy_failed,
+    }
+    if (res.account_failed > 0 || res.proxy_failed > 0) {
+      appStore.showError(t('admin.accounts.dataImportCompletedWithErrors', msgParams))
+    } else {
+      appStore.showSuccess(t('admin.accounts.dataImportSuccess', msgParams))
+      emit('imported')
+    }
+  } catch (error: any) {
+    if (error instanceof SyntaxError) {
+      appStore.showError(t('admin.accounts.dataImportParseFailed'))
+    } else {
+      appStore.showError(error?.message || t('admin.accounts.dataImportFailed'))
+    }
+  } finally {
+    importing.value = false
+  }
+}
+</script>

frontend/src/components/common/ConfirmDialog.vue

@@ -2,6 +2,7 @@
   <BaseDialog :show="show" :title="title" width="narrow" @close="handleCancel">
     <div class="space-y-4">
       <p class="text-sm text-gray-600 dark:text-gray-400">{{ message }}</p>
+      <slot></slot>
     </div>
 
     <template #footer>