feat: add proxy import flow

backend/internal/handler/admin/account_data.go

@@ -469,6 +469,13 @@ func validateDataProxy(item DataProxy) error {
 	default:
 		return fmt.Errorf("proxy protocol is invalid: %s", item.Protocol)
 	}
+	if item.Status != "" {
+		switch item.Status {
+		case service.StatusActive, service.StatusDisabled, "inactive":
+		default:
+			return fmt.Errorf("proxy status is invalid: %s", item.Status)
+		}
+	}
 	return nil
 }
 

backend/internal/handler/admin/admin_service_stub_test.go

@@ -3,6 +3,7 @@ package admin
 import (
 	"context"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/Wei-Shaw/sub2api/internal/service"
@@ -18,6 +19,10 @@ type stubAdminService struct {
 	redeems         []service.RedeemCode
 	createdAccounts []*service.CreateAccountInput
 	createdProxies  []*service.CreateProxyInput
+	updatedProxyIDs []int64
+	updatedProxies  []*service.UpdateProxyInput
+	testedProxyIDs  []int64
+	mu              sync.Mutex
 }
 
 func newStubAdminService() *stubAdminService {
@@ -180,7 +185,9 @@ func (s *stubAdminService) GetAccountsByIDs(ctx context.Context, ids []int64) ([
 }
 
 func (s *stubAdminService) CreateAccount(ctx context.Context, input *service.CreateAccountInput) (*service.Account, error) {
+	s.mu.Lock()
 	s.createdAccounts = append(s.createdAccounts, input)
+	s.mu.Unlock()
 	account := service.Account{ID: 300, Name: input.Name, Status: service.StatusActive}
 	return &account, nil
 }
@@ -257,12 +264,18 @@ func (s *stubAdminService) GetProxy(ctx context.Context, id int64) (*service.Pro
 }
 
 func (s *stubAdminService) CreateProxy(ctx context.Context, input *service.CreateProxyInput) (*service.Proxy, error) {
+	s.mu.Lock()
 	s.createdProxies = append(s.createdProxies, input)
+	s.mu.Unlock()
 	proxy := service.Proxy{ID: 400, Name: input.Name, Status: service.StatusActive}
 	return &proxy, nil
 }
 
 func (s *stubAdminService) UpdateProxy(ctx context.Context, id int64, input *service.UpdateProxyInput) (*service.Proxy, error) {
+	s.mu.Lock()
+	s.updatedProxyIDs = append(s.updatedProxyIDs, id)
+	s.updatedProxies = append(s.updatedProxies, input)
+	s.mu.Unlock()
 	proxy := service.Proxy{ID: id, Name: input.Name, Status: service.StatusActive}
 	return &proxy, nil
 }
@@ -284,6 +297,9 @@ func (s *stubAdminService) CheckProxyExists(ctx context.Context, host string, po
 }
 
 func (s *stubAdminService) TestProxy(ctx context.Context, id int64) (*service.ProxyTestResult, error) {
+	s.mu.Lock()
+	s.testedProxyIDs = append(s.testedProxyIDs, id)
+	s.mu.Unlock()
 	return &service.ProxyTestResult{Success: true, Message: "ok"}, nil
 }
 

backend/internal/handler/admin/proxy_data.go

@@ -54,6 +54,120 @@ func (h *ProxyHandler) ExportData(c *gin.Context) {
 	response.Success(c, payload)
 }
 
+// ImportData imports proxy-only data for migration.
+func (h *ProxyHandler) ImportData(c *gin.Context) {
+	type ProxyImportRequest struct {
+		Data DataPayload `json:"data"`
+	}
+
+	var req ProxyImportRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		response.BadRequest(c, "Invalid request: "+err.Error())
+		return
+	}
+
+	if err := validateDataHeader(req.Data); err != nil {
+		response.BadRequest(c, err.Error())
+		return
+	}
+
+	ctx := c.Request.Context()
+	result := DataImportResult{}
+
+	existingProxies, err := h.listProxiesFiltered(ctx, "", "", "")
+	if err != nil {
+		response.ErrorFrom(c, err)
+		return
+	}
+
+	proxyByKey := make(map[string]service.Proxy, len(existingProxies))
+	for i := range existingProxies {
+		p := existingProxies[i]
+		key := buildProxyKey(p.Protocol, p.Host, p.Port, p.Username, p.Password)
+		proxyByKey[key] = p
+	}
+
+	latencyProbeIDs := make([]int64, 0, len(req.Data.Proxies))
+	for i := range req.Data.Proxies {
+		item := req.Data.Proxies[i]
+		key := item.ProxyKey
+		if key == "" {
+			key = buildProxyKey(item.Protocol, item.Host, item.Port, item.Username, item.Password)
+		}
+
+		if err := validateDataProxy(item); err != nil {
+			result.ProxyFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:     "proxy",
+				Name:     item.Name,
+				ProxyKey: key,
+				Message:  err.Error(),
+			})
+			continue
+		}
+
+		if existing, ok := proxyByKey[key]; ok {
+			result.ProxyReused++
+			if item.Status != "" && item.Status != existing.Status {
+				if _, err := h.adminService.UpdateProxy(ctx, existing.ID, &service.UpdateProxyInput{Status: item.Status}); err != nil {
+					result.Errors = append(result.Errors, DataImportError{
+						Kind:     "proxy",
+						Name:     item.Name,
+						ProxyKey: key,
+						Message:  "update status failed: " + err.Error(),
+					})
+				}
+			}
+			latencyProbeIDs = append(latencyProbeIDs, existing.ID)
+			continue
+		}
+
+		created, err := h.adminService.CreateProxy(ctx, &service.CreateProxyInput{
+			Name:     defaultProxyName(item.Name),
+			Protocol: item.Protocol,
+			Host:     item.Host,
+			Port:     item.Port,
+			Username: item.Username,
+			Password: item.Password,
+		})
+		if err != nil {
+			result.ProxyFailed++
+			result.Errors = append(result.Errors, DataImportError{
+				Kind:     "proxy",
+				Name:     item.Name,
+				ProxyKey: key,
+				Message:  err.Error(),
+			})
+			continue
+		}
+		result.ProxyCreated++
+		proxyByKey[key] = *created
+
+		if item.Status != "" && item.Status != created.Status {
+			if _, err := h.adminService.UpdateProxy(ctx, created.ID, &service.UpdateProxyInput{Status: item.Status}); err != nil {
+				result.Errors = append(result.Errors, DataImportError{
+					Kind:     "proxy",
+					Name:     item.Name,
+					ProxyKey: key,
+					Message:  "update status failed: " + err.Error(),
+				})
+			}
+		}
+		latencyProbeIDs = append(latencyProbeIDs, created.ID)
+	}
+
+	if len(latencyProbeIDs) > 0 {
+		ids := append([]int64(nil), latencyProbeIDs...)
+		go func() {
+			for _, id := range ids {
+				_, _ = h.adminService.TestProxy(context.Background(), id)
+			}
+		}()
+	}
+
+	response.Success(c, result)
+}
+
 func (h *ProxyHandler) listProxiesFiltered(ctx context.Context, protocol, status, search string) ([]service.Proxy, error) {
 	page := 1
 	pageSize := dataPageCap

backend/internal/handler/admin/proxy_data_handler_test.go

@@ -1,10 +1,12 @@
 package admin
 
 import (
+	"bytes"
 	"encoding/json"
 	"net/http"
 	"net/http/httptest"
 	"testing"
+	"time"
 
 	"github.com/Wei-Shaw/sub2api/internal/service"
 	"github.com/gin-gonic/gin"
@@ -16,6 +18,11 @@ type proxyDataResponse struct {
 	Data DataPayload `json:"data"`
 }
 
+type proxyImportResponse struct {
+	Code int              `json:"code"`
+	Data DataImportResult `json:"data"`
+}
+
 func setupProxyDataRouter() (*gin.Engine, *stubAdminService) {
 	gin.SetMode(gin.TestMode)
 	router := gin.New()
@@ -23,6 +30,7 @@ func setupProxyDataRouter() (*gin.Engine, *stubAdminService) {
 
 	h := NewProxyHandler(adminSvc)
 	router.GET("/api/v1/admin/proxies/data", h.ExportData)
+	router.POST("/api/v1/admin/proxies/data", h.ImportData)
 
 	return router, adminSvc
 }
@@ -66,3 +74,74 @@ func TestProxyExportDataRespectsFilters(t *testing.T) {
 	require.Len(t, resp.Data.Accounts, 0)
 	require.Equal(t, "https", resp.Data.Proxies[0].Protocol)
 }
+
+func TestProxyImportDataReusesAndTriggersLatencyProbe(t *testing.T) {
+	router, adminSvc := setupProxyDataRouter()
+
+	adminSvc.proxies = []service.Proxy{
+		{
+			ID:       1,
+			Name:     "proxy-a",
+			Protocol: "http",
+			Host:     "127.0.0.1",
+			Port:     8080,
+			Username: "user",
+			Password: "pass",
+			Status:   service.StatusActive,
+		},
+	}
+
+	payload := map[string]any{
+		"data": map[string]any{
+			"type":    dataType,
+			"version": dataVersion,
+			"proxies": []map[string]any{
+				{
+					"proxy_key": "http|127.0.0.1|8080|user|pass",
+					"name":      "proxy-a",
+					"protocol":  "http",
+					"host":      "127.0.0.1",
+					"port":      8080,
+					"username":  "user",
+					"password":  "pass",
+					"status":    "inactive",
+				},
+				{
+					"proxy_key": "https|10.0.0.2|443|u|p",
+					"name":      "proxy-b",
+					"protocol":  "https",
+					"host":      "10.0.0.2",
+					"port":      443,
+					"username":  "u",
+					"password":  "p",
+					"status":    "active",
+				},
+			},
+		},
+	}
+
+	body, _ := json.Marshal(payload)
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodPost, "/api/v1/admin/proxies/data", bytes.NewReader(body))
+	req.Header.Set("Content-Type", "application/json")
+	router.ServeHTTP(rec, req)
+	require.Equal(t, http.StatusOK, rec.Code)
+
+	var resp proxyImportResponse
+	require.NoError(t, json.Unmarshal(rec.Body.Bytes(), &resp))
+	require.Equal(t, 0, resp.Code)
+	require.Equal(t, 1, resp.Data.ProxyCreated)
+	require.Equal(t, 1, resp.Data.ProxyReused)
+	require.Equal(t, 0, resp.Data.ProxyFailed)
+
+	adminSvc.mu.Lock()
+	updatedIDs := append([]int64(nil), adminSvc.updatedProxyIDs...)
+	adminSvc.mu.Unlock()
+	require.Contains(t, updatedIDs, int64(1))
+
+	require.Eventually(t, func() bool {
+		adminSvc.mu.Lock()
+		defer adminSvc.mu.Unlock()
+		return len(adminSvc.testedProxyIDs) == 2
+	}, time.Second, 10*time.Millisecond)
+}

backend/internal/server/routes/admin.go

@@ -281,6 +281,7 @@ func registerProxyRoutes(admin *gin.RouterGroup, h *handler.Handlers) {
 		proxies.GET("", h.Admin.Proxy.List)
 		proxies.GET("/all", h.Admin.Proxy.GetAll)
 		proxies.GET("/data", h.Admin.Proxy.ExportData)
+		proxies.POST("/data", h.Admin.Proxy.ImportData)
 		proxies.GET("/:id", h.Admin.Proxy.GetByID)
 		proxies.POST("", h.Admin.Proxy.Create)
 		proxies.PUT("/:id", h.Admin.Proxy.Update)

frontend/src/__tests__/integration/proxy-data-import.spec.ts

@@ -0,0 +1,70 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest'
+import { mount } from '@vue/test-utils'
+import ImportDataModal from '@/components/admin/proxy/ImportDataModal.vue'
+
+const showError = vi.fn()
+const showSuccess = vi.fn()
+
+vi.mock('@/stores/app', () => ({
+  useAppStore: () => ({
+    showError,
+    showSuccess
+  })
+}))
+
+vi.mock('@/api/admin', () => ({
+  adminAPI: {
+    proxies: {
+      importData: vi.fn()
+    }
+  }
+}))
+
+vi.mock('vue-i18n', () => ({
+  useI18n: () => ({
+    t: (key: string) => key
+  })
+}))
+
+describe('Proxy ImportDataModal', () => {
+  beforeEach(() => {
+    showError.mockReset()
+    showSuccess.mockReset()
+  })
+
+  it('未选择文件时提示错误', async () => {
+    const wrapper = mount(ImportDataModal, {
+      props: { show: true },
+      global: {
+        stubs: {
+          BaseDialog: { template: '<div><slot /><slot name="footer" /></div>' }
+        }
+      }
+    })
+
+    await wrapper.find('form').trigger('submit')
+    expect(showError).toHaveBeenCalledWith('admin.proxies.dataImportSelectFile')
+  })
+
+  it('无效 JSON 时提示解析失败', async () => {
+    const wrapper = mount(ImportDataModal, {
+      props: { show: true },
+      global: {
+        stubs: {
+          BaseDialog: { template: '<div><slot /><slot name="footer" /></div>' }
+        }
+      }
+    })
+
+    const input = wrapper.find('input[type="file"]')
+    const file = new File(['invalid json'], 'data.json', { type: 'application/json' })
+    Object.defineProperty(input.element, 'files', {
+      value: [file]
+    })
+
+    await input.trigger('change')
+    await wrapper.find('form').trigger('submit')
+
+    expect(showError).toHaveBeenCalledWith('admin.proxies.dataImportParseFailed')
+  })
+})

frontend/src/api/admin/proxies.ts

@@ -10,7 +10,8 @@ import type {
   CreateProxyRequest,
   UpdateProxyRequest,
   PaginatedResponse,
-  AdminDataPayload
+  AdminDataPayload,
+  AdminDataImportResult
 } from '@/types'
 
 /**
@@ -220,6 +221,13 @@ export async function exportData(filters?: {
   return data
 }
 
+export async function importData(payload: {
+  data: AdminDataPayload
+}): Promise<AdminDataImportResult> {
+  const { data } = await apiClient.post<AdminDataImportResult>('/admin/proxies/data', payload)
+  return data
+}
+
 export const proxiesAPI = {
   list,
   getAll,
@@ -234,7 +242,8 @@ export const proxiesAPI = {
   getProxyAccounts,
   batchCreate,
   batchDelete,
-  exportData
+  exportData,
+  importData
 }
 
 export default proxiesAPI

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

@@ -18,15 +18,26 @@
 
       <div>
         <label class="input-label">{{ t('admin.accounts.dataImportFile') }}</label>
+        <div
+          class="flex items-center justify-between gap-3 rounded-lg border border-dashed border-gray-300 bg-gray-50 px-4 py-3 dark:border-dark-600 dark:bg-dark-800"
+        >
+          <div class="min-w-0">
+            <div class="truncate text-sm text-gray-700 dark:text-dark-200">
+              {{ fileName || t('admin.accounts.dataImportSelectFile') }}
+            </div>
+            <div class="text-xs text-gray-500 dark:text-dark-400">JSON (.json)</div>
+          </div>
+          <button type="button" class="btn btn-secondary shrink-0" @click="openFilePicker">
+            {{ t('common.chooseFile') }}
+          </button>
+        </div>
         <input
+          ref="fileInput"
           type="file"
-          class="input"
+          class="hidden"
           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
@@ -100,6 +111,7 @@ const importing = ref(false)
 const file = ref<File | null>(null)
 const result = ref<AdminDataImportResult | null>(null)
 
+const fileInput = ref<HTMLInputElement | null>(null)
 const fileName = computed(() => file.value?.name || '')
 
 const errorItems = computed(() => result.value?.errors || [])
@@ -110,10 +122,17 @@ watch(
     if (open) {
       file.value = null
       result.value = null
+      if (fileInput.value) {
+        fileInput.value.value = ''
+      }
     }
   }
 )
 
+const openFilePicker = () => {
+  fileInput.value?.click()
+}
+
 const handleFileChange = (event: Event) => {
   const target = event.target as HTMLInputElement
   file.value = target.files?.[0] || null

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

@@ -0,0 +1,183 @@
+<template>
+  <BaseDialog
+    :show="show"
+    :title="t('admin.proxies.dataImportTitle')"
+    width="normal"
+    close-on-click-outside
+    @close="handleClose"
+  >
+    <form id="import-proxy-data-form" class="space-y-4" @submit.prevent="handleImport">
+      <div class="text-sm text-gray-600 dark:text-dark-300">
+        {{ t('admin.proxies.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.proxies.dataImportWarning') }}
+      </div>
+
+      <div>
+        <label class="input-label">{{ t('admin.proxies.dataImportFile') }}</label>
+        <div
+          class="flex items-center justify-between gap-3 rounded-lg border border-dashed border-gray-300 bg-gray-50 px-4 py-3 dark:border-dark-600 dark:bg-dark-800"
+        >
+          <div class="min-w-0">
+            <div class="truncate text-sm text-gray-700 dark:text-dark-200">
+              {{ fileName || t('admin.proxies.dataImportSelectFile') }}
+            </div>
+            <div class="text-xs text-gray-500 dark:text-dark-400">JSON (.json)</div>
+          </div>
+          <button type="button" class="btn btn-secondary shrink-0" @click="openFilePicker">
+            {{ t('common.chooseFile') }}
+          </button>
+        </div>
+        <input
+          ref="fileInput"
+          type="file"
+          class="hidden"
+          accept="application/json,.json"
+          @change="handleFileChange"
+        />
+      </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.proxies.dataImportResult') }}
+        </div>
+        <div class="text-sm text-gray-700 dark:text-dark-300">
+          {{ t('admin.proxies.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.proxies.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-proxy-data-form"
+          :disabled="importing"
+        >
+          {{ importing ? t('admin.proxies.dataImporting') : t('admin.proxies.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 fileInput = ref<HTMLInputElement | 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
+      if (fileInput.value) {
+        fileInput.value.value = ''
+      }
+    }
+  }
+)
+
+const openFilePicker = () => {
+  fileInput.value?.click()
+}
+
+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.proxies.dataImportSelectFile'))
+    return
+  }
+
+  importing.value = true
+  try {
+    const text = await file.value.text()
+    const dataPayload = JSON.parse(text)
+
+    const res = await adminAPI.proxies.importData({ data: dataPayload })
+
+    result.value = res
+
+    const msgParams: Record<string, unknown> = {
+      proxy_created: res.proxy_created,
+      proxy_reused: res.proxy_reused,
+      proxy_failed: res.proxy_failed
+    }
+
+    if (res.proxy_failed > 0) {
+      appStore.showError(t('admin.proxies.dataImportCompletedWithErrors', msgParams))
+    } else {
+      appStore.showSuccess(t('admin.proxies.dataImportSuccess', msgParams))
+      emit('imported')
+    }
+  } catch (error: any) {
+    if (error instanceof SyntaxError) {
+      appStore.showError(t('admin.proxies.dataImportParseFailed'))
+    } else {
+      appStore.showError(error?.message || t('admin.proxies.dataImportFailed'))
+    }
+  } finally {
+    importing.value = false
+  }
+}
+</script>

frontend/src/i18n/locales/en.ts

@@ -165,6 +165,7 @@ export default {
     selectedCount: '({count} selected)',
     refresh: 'Refresh',
     settings: 'Settings',
+    chooseFile: 'Choose File',
     notAvailable: 'N/A',
     now: 'Now',
     unknown: 'Unknown',
@@ -1190,7 +1191,7 @@ export default {
       syncFromCrs: 'Sync from CRS',
       dataExport: 'Export',
       dataExportSelected: 'Export Selected',
-      dataExportIncludeProxies: 'Include proxies (unchecked = no proxy linkage on import)',
+      dataExportIncludeProxies: 'Include proxies linked to the exported accounts',
       dataImport: 'Import',
       dataExportConfirmMessage: 'The exported data contains sensitive account and proxy information. Store it securely.',
       dataExportConfirm: 'Confirm Export',
@@ -1198,7 +1199,7 @@ export default {
       dataExportFailed: 'Failed to export data',
       dataImportTitle: 'Import Data',
       dataImportHint: 'Upload the exported JSON file to import accounts and proxies.',
-      dataImportWarning: 'Import will create new accounts/proxies; groups must be bound manually. Ensure no conflicts in the target instance.',
+      dataImportWarning: 'Import will create new accounts/proxies; groups must be bound manually. Ensure existing data does not conflict.',
       dataImportFile: 'Data file',
       dataImportButton: 'Start Import',
       dataImporting: 'Importing...',
@@ -1901,6 +1902,21 @@ export default {
       createProxy: 'Create Proxy',
       editProxy: 'Edit Proxy',
       deleteProxy: 'Delete Proxy',
+      dataImport: 'Import',
+      dataImportTitle: 'Import Proxies',
+      dataImportHint: 'Upload the exported proxy JSON file to import proxies in bulk.',
+      dataImportWarning: 'Import will create or reuse proxies, keep their status, and trigger latency checks after completion.',
+      dataImportFile: 'Data File',
+      dataImportButton: 'Start Import',
+      dataImporting: 'Importing...',
+      dataImportSelectFile: 'Please select a data file',
+      dataImportParseFailed: 'Failed to parse data',
+      dataImportFailed: 'Failed to import data',
+      dataImportResult: 'Import Result',
+      dataImportResultSummary: 'Created {proxy_created}, reused {proxy_reused}, failed {proxy_failed}',
+      dataImportErrors: 'Failure Details',
+      dataImportSuccess: 'Import completed: created {proxy_created}, reused {proxy_reused}',
+      dataImportCompletedWithErrors: 'Import completed with errors: failed {proxy_failed}',
       dataExport: 'Export',
       dataExportConfirmMessage: 'The exported data contains sensitive proxy information. Store it securely.',
       dataExportConfirm: 'Confirm Export',

frontend/src/i18n/locales/zh.ts

@@ -162,6 +162,7 @@ export default {
     selectedCount: '（已选 {count} 个）',
     refresh: '刷新',
     settings: '设置',
+    chooseFile: '选择文件',
     notAvailable: '不可用',
     now: '现在',
     unknown: '未知',
@@ -1275,7 +1276,7 @@ export default {
       syncFromCrs: '从 CRS 同步',
       dataExport: '导出',
       dataExportSelected: '导出选中',
-      dataExportIncludeProxies: '导出代理（取消后导入时不关联代理）',
+      dataExportIncludeProxies: '导出代理（导出账号关联的代理）',
       dataImport: '导入',
       dataExportConfirmMessage: '导出的数据包含账号与代理的敏感信息，请妥善保存。',
       dataExportConfirm: '确认导出',
@@ -1283,7 +1284,7 @@ export default {
       dataExportFailed: '数据导出失败',
       dataImportTitle: '导入数据',
       dataImportHint: '上传导出的 JSON 文件以批量导入账号与代理。',
-      dataImportWarning: '导入将创建新账号与代理，分组需手工绑定；请确认目标实例已有数据不会冲突。',
+      dataImportWarning: '导入将创建新账号与代理，分组需手工绑定；请确认已有数据不会冲突。',
       dataImportFile: '数据文件',
       dataImportButton: '开始导入',
       dataImporting: '导入中...',
@@ -2010,6 +2011,21 @@ export default {
       deleteProxy: '删除代理',
       deleteConfirmMessage: "确定要删除代理 '{name}' 吗？",
       testProxy: '测试代理',
+      dataImport: '导入',
+      dataImportTitle: '导入代理',
+      dataImportHint: '上传代理导出的 JSON 文件以批量导入代理。',
+      dataImportWarning: '导入将创建或复用代理，保留状态并在完成后自动触发延迟检测。',
+      dataImportFile: '数据文件',
+      dataImportButton: '开始导入',
+      dataImporting: '导入中...',
+      dataImportSelectFile: '请选择数据文件',
+      dataImportParseFailed: '数据解析失败',
+      dataImportFailed: '数据导入失败',
+      dataImportResult: '导入结果',
+      dataImportResultSummary: '创建 {proxy_created}，复用 {proxy_reused}，失败 {proxy_failed}',
+      dataImportErrors: '失败详情',
+      dataImportSuccess: '导入完成：创建 {proxy_created}，复用 {proxy_reused}',
+      dataImportCompletedWithErrors: '导入完成但有错误：失败 {proxy_failed}',
       dataExport: '导出',
       dataExportConfirmMessage: '导出的数据包含代理的敏感信息，请妥善保存。',
       dataExportConfirm: '确认导出',

frontend/src/views/admin/AccountsView.vue

@@ -118,6 +118,15 @@
           default-sort-order="asc"
           :sort-storage-key="ACCOUNT_SORT_STORAGE_KEY"
         >
+          <template #header-select>
+            <input
+              type="checkbox"
+              class="h-4 w-4 cursor-pointer rounded border-gray-300 text-primary-600 focus:ring-primary-500"
+              :checked="allVisibleSelected"
+              @click.stop
+              @change="toggleSelectAllVisible($event)"
+            />
+          </template>
           <template #cell-select="{ row }">
             <input type="checkbox" :checked="selIds.includes(row.id)" @change="toggleSel(row.id)" class="rounded border-gray-300 text-primary-600 focus:ring-primary-500" />
           </template>
@@ -551,6 +560,21 @@ const openMenu = (a: Account, e: MouseEvent) => {
   menu.show = true
 }
 const toggleSel = (id: number) => { const i = selIds.value.indexOf(id); if(i === -1) selIds.value.push(id); else selIds.value.splice(i, 1) }
+const allVisibleSelected = computed(() => {
+  if (accounts.value.length === 0) return false
+  return accounts.value.every(account => selIds.value.includes(account.id))
+})
+const toggleSelectAllVisible = (event: Event) => {
+  const target = event.target as HTMLInputElement
+  if (target.checked) {
+    const next = new Set(selIds.value)
+    accounts.value.forEach(account => next.add(account.id))
+    selIds.value = Array.from(next)
+    return
+  }
+  const visibleIds = new Set(accounts.value.map(account => account.id))
+  selIds.value = selIds.value.filter(id => !visibleIds.has(id))
+}
 const selectPage = () => { selIds.value = [...new Set([...selIds.value, ...accounts.value.map(a => a.id)])] }
 const handleBulkDelete = async () => { if(!confirm(t('common.confirm'))) return; try { await Promise.all(selIds.value.map(id => adminAPI.accounts.delete(id))); selIds.value = []; reload() } catch (error) { console.error('Failed to bulk delete accounts:', error) } }
 const updateSchedulableInList = (accountIds: number[], schedulable: boolean) => {

frontend/src/views/admin/ProxiesView.vue

@@ -69,6 +69,9 @@
               <Icon name="trash" size="md" class="mr-2" />
               {{ t('admin.proxies.batchDeleteAction') }}
             </button>
+            <button @click="showImportData = true" class="btn btn-secondary">
+              {{ t('admin.proxies.dataImport') }}
+            </button>
             <button @click="showExportDataDialog = true" class="btn btn-secondary">
               {{ t('admin.proxies.dataExport') }}
             </button>
@@ -619,6 +622,12 @@
       @cancel="showExportDataDialog = false"
     />
 
+    <ImportDataModal
+      :show="showImportData"
+      @close="showImportData = false"
+      @imported="handleDataImported"
+    />
+
     <!-- Proxy Accounts Dialog -->
     <BaseDialog
       :show="showAccountsModal"
@@ -680,6 +689,7 @@ import Pagination from '@/components/common/Pagination.vue'
 import BaseDialog from '@/components/common/BaseDialog.vue'
 import ConfirmDialog from '@/components/common/ConfirmDialog.vue'
 import EmptyState from '@/components/common/EmptyState.vue'
+import ImportDataModal from '@/components/admin/proxy/ImportDataModal.vue'
 import Select from '@/components/common/Select.vue'
 import Icon from '@/components/icons/Icon.vue'
 import PlatformTypeBadge from '@/components/common/PlatformTypeBadge.vue'
@@ -743,6 +753,7 @@ const pagination = reactive({
 
 const showCreateModal = ref(false)
 const showEditModal = ref(false)
+const showImportData = ref(false)
 const showDeleteDialog = ref(false)
 const showBatchDeleteDialog = ref(false)
 const showExportDataDialog = ref(false)
@@ -902,6 +913,11 @@ const closeCreateModal = () => {
   batchParseResult.proxies = []
 }
 
+const handleDataImported = () => {
+  showImportData.value = false
+  loadProxies()
+}
+
 // Parse proxy URL: protocol://user:pass@host:port or protocol://host:port
 const parseProxyUrl = (
   line: string