feat(providers): add persistent card view and shared drag ordering

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

@@ -0,0 +1,323 @@
+<template>
+  <Card
+    variant="interactive"
+    class="flex min-w-0 flex-col cursor-pointer overflow-hidden"
+    @mousedown="$emit('mousedown', $event)"
+    @click="$emit('rowClick', $event, provider.id)"
+  >
+    <div class="flex items-start gap-2 p-4 pb-3">
+      <slot name="drag-handle" />
+      <div
+        class="flex h-10 w-10 shrink-0 items-center justify-center rounded-xl text-base font-semibold"
+        :class="provider.is_active ? 'bg-primary/10 text-primary' : 'bg-muted text-muted-foreground'"
+        aria-hidden="true"
+      >
+        {{ provider.name.slice(0, 1).toUpperCase() }}
+      </div>
+      <div class="min-w-0 flex-1 space-y-1">
+        <div class="flex items-center gap-1.5">
+          <button
+            type="button"
+            class="min-w-0 truncate rounded text-left text-sm font-semibold text-foreground hover:text-primary focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+            :title="provider.name"
+            @click.stop="$emit('viewDetail', provider.id)"
+          >
+            {{ provider.name }}
+          </button>
+          <a
+            v-if="safeProviderWebsite"
+            :href="safeProviderWebsite"
+            target="_blank"
+            rel="noopener noreferrer"
+            class="shrink-0 text-muted-foreground transition-colors hover:text-primary"
+            :title="safeProviderWebsite"
+            @click.stop
+          >
+            <ExternalLink class="h-3.5 w-3.5" />
+          </a>
+        </div>
+        <div
+          v-if="editingDescriptionId === provider.id"
+          data-desc-editor
+          class="flex items-center gap-1"
+          @click.stop
+        >
+          <input
+            v-model="localDescriptionValue"
+            v-auto-focus
+            class="min-w-0 flex-1 rounded border border-border bg-background px-1.5 py-0.5 text-xs text-foreground focus:outline-none focus:ring-1 focus:ring-primary/50"
+            :placeholder="legacyT('输入备注...')"
+            :aria-label="legacyT('输入备注...')"
+            @keydown="handleDescriptionKeydown"
+          >
+          <button
+            type="button"
+            class="shrink-0 rounded p-0.5 text-primary hover:bg-muted"
+            :title="legacyT('保存')"
+            :aria-label="legacyT('保存')"
+            @click="handleSave"
+          >
+            <Check class="h-3.5 w-3.5" />
+          </button>
+          <button
+            type="button"
+            class="shrink-0 rounded p-0.5 text-muted-foreground hover:bg-muted"
+            :title="legacyT('取消')"
+            :aria-label="legacyT('取消')"
+            @click="handleCancel"
+          >
+            <X class="h-3.5 w-3.5" />
+          </button>
+        </div>
+        <button
+          v-else
+          type="button"
+          class="group/desc flex max-w-full items-center gap-1 rounded text-xs text-muted-foreground transition-colors hover:text-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+          :title="provider.description || legacyT('添加备注')"
+          @click="handleStartEdit"
+        >
+          <span class="truncate">{{ provider.description || legacyT('添加备注') }}</span>
+          <Pencil class="h-3 w-3 shrink-0 opacity-0 transition-opacity group-hover/desc:opacity-60 group-focus-visible/desc:opacity-60" />
+        </button>
+      </div>
+      <Badge
+        :variant="provider.is_active ? 'success' : 'secondary'"
+        class="shrink-0 text-xs"
+      >
+        {{ legacyT(provider.is_active ? '活跃' : '停用') }}
+      </Badge>
+    </div>
+
+    <div class="flex flex-1 flex-col gap-4 px-4 pb-4">
+      <div class="space-y-2 rounded-xl border border-border/40 bg-muted/20 p-3">
+        <div class="flex flex-wrap items-center justify-between gap-2">
+          <span class="text-xs text-muted-foreground">{{ legacyT('余额监控') }}</span>
+          <Badge
+            variant="outline"
+            class="border-border/50 text-[10px] font-normal"
+          >
+            {{ formatBillingType(provider.billing_type || 'pay_as_you_go') }}
+          </Badge>
+        </div>
+        <ProviderBalanceCell
+          :provider="provider"
+          :is-balance-loading="isBalanceLoading"
+          :get-provider-balance="getProviderBalance"
+          :get-provider-balance-breakdown="getProviderBalanceBreakdown"
+          :get-provider-balance-error="getProviderBalanceError"
+          :get-provider-checkin="getProviderCheckin"
+          :get-provider-cookie-expired="getProviderCookieExpired"
+          :get-provider-balance-extra="getProviderBalanceExtra"
+          :format-balance-display="formatBalanceDisplay"
+          :format-reset-countdown="formatResetCountdown"
+          :get-quota-used-color-class="getQuotaUsedColorClass"
+        />
+      </div>
+
+      <dl class="grid grid-cols-3 divide-x divide-border/50 text-center">
+        <div class="min-w-0 space-y-1 px-1">
+          <dt class="text-xs text-muted-foreground">
+            {{ legacyT('端点') }}
+          </dt>
+          <dd class="text-sm font-semibold tabular-nums">
+            {{ provider.active_endpoints }}<span class="ml-0.5 text-xs font-normal text-muted-foreground">/ {{ provider.total_endpoints }}</span>
+          </dd>
+        </div>
+        <div class="min-w-0 space-y-1 px-1">
+          <dt class="text-xs text-muted-foreground">
+            {{ legacyT(isKeyManagedProviderType(provider.provider_type) ? '密钥' : '账号') }}
+          </dt>
+          <dd class="text-sm font-semibold tabular-nums">
+            {{ provider.active_keys }}<span class="ml-0.5 text-xs font-normal text-muted-foreground">/ {{ provider.total_keys }}</span>
+          </dd>
+        </div>
+        <div class="min-w-0 space-y-1 px-1">
+          <dt class="text-xs text-muted-foreground">
+            {{ legacyT('模型') }}
+          </dt>
+          <dd class="text-sm font-semibold tabular-nums">
+            {{ provider.active_models }}<span class="ml-0.5 text-xs font-normal text-muted-foreground">/ {{ provider.total_models }}</span>
+          </dd>
+        </div>
+      </dl>
+
+      <div class="mt-auto space-y-2 border-t border-border/40 pt-3">
+        <div class="text-xs text-muted-foreground">
+          {{ legacyT('端点健康') }}
+        </div>
+        <div
+          v-if="provider.endpoint_health_details?.length"
+          class="grid grid-cols-3 gap-x-3 gap-y-2"
+        >
+          <div
+            v-for="endpoint in sortEndpoints(provider.endpoint_health_details)"
+            :key="endpoint.api_format"
+            class="flex min-w-0 flex-col gap-1.5"
+            :title="getEndpointTooltip(endpoint, locale)"
+          >
+            <div class="flex items-center justify-between gap-1 text-[10px] leading-none text-muted-foreground">
+              <span class="font-medium">{{ formatApiFormatShort(endpoint.api_format) }}</span>
+              <span class="tabular-nums">{{ getEndpointHealthLabel(endpoint) }}</span>
+            </div>
+            <div class="h-1.5 w-full overflow-hidden rounded-full bg-border dark:bg-border/80">
+              <div
+                class="h-full rounded-full transition-all duration-300"
+                :class="getEndpointDotColor(endpoint)"
+                :style="{ width: getEndpointHealthBarWidth(endpoint) }"
+              />
+            </div>
+          </div>
+        </div>
+        <span
+          v-else
+          class="text-xs text-muted-foreground/60"
+        >{{ legacyT('暂无端点') }}</span>
+      </div>
+    </div>
+
+    <div
+      class="flex items-center justify-between gap-2 border-t border-border/40 bg-muted/10 px-3 py-2"
+      @click.stop
+    >
+      <Button
+        variant="ghost"
+        size="icon"
+        class="h-8 w-8 text-muted-foreground hover:text-primary"
+        :title="legacyT('查看详情')"
+        :aria-label="legacyT('查看详情')"
+        @click="$emit('viewDetail', provider.id)"
+      >
+        <Eye class="h-3.5 w-3.5" />
+      </Button>
+      <div class="flex shrink-0 items-center gap-0.5">
+        <Button
+          variant="ghost"
+          size="icon"
+          class="h-8 w-8 text-muted-foreground hover:text-foreground"
+          :title="legacyT('编辑提供商')"
+          :aria-label="legacyT('编辑提供商')"
+          @click="$emit('editProvider', provider)"
+        >
+          <Edit class="h-3.5 w-3.5" />
+        </Button>
+        <Button
+          variant="ghost"
+          size="icon"
+          class="h-8 w-8 text-muted-foreground hover:text-foreground"
+          :title="legacyT('扩展操作配置')"
+          :aria-label="legacyT('扩展操作配置')"
+          @click="$emit('openOpsConfig', provider)"
+        >
+          <KeyRound class="h-3.5 w-3.5" />
+        </Button>
+        <Button
+          variant="ghost"
+          size="icon"
+          class="h-8 w-8 text-muted-foreground hover:text-foreground"
+          :title="legacyT(provider.is_active ? '停用提供商' : '启用提供商')"
+          :aria-label="legacyT(provider.is_active ? '停用提供商' : '启用提供商')"
+          @click="$emit('toggleStatus', provider)"
+        >
+          <Power class="h-3.5 w-3.5" />
+        </Button>
+        <Button
+          variant="ghost"
+          size="icon"
+          class="h-8 w-8 text-muted-foreground hover:text-destructive"
+          :title="legacyT('删除提供商')"
+          :aria-label="legacyT('删除提供商')"
+          @click="$emit('deleteProvider', provider)"
+        >
+          <Trash2 class="h-3.5 w-3.5" />
+        </Button>
+      </div>
+    </div>
+  </Card>
+</template>
+
+<script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import { Check, Edit, ExternalLink, Eye, KeyRound, Pencil, Power, Trash2, X } from 'lucide-vue-next'
+import Badge from '@/components/ui/badge.vue'
+import Button from '@/components/ui/button.vue'
+import Card from '@/components/ui/card.vue'
+import ProviderBalanceCell from './ProviderBalanceCell.vue'
+import { formatApiFormatShort, type ProviderWithEndpointsSummary } from '@/api/endpoints'
+import type { BalanceExtraItem } from '@/features/providers/auth-templates'
+import {
+  sortEndpoints,
+  getEndpointHealthLabel,
+  getEndpointHealthBarWidth,
+  getEndpointDotColor,
+  getEndpointTooltip,
+} from '@/features/providers/composables/useEndpointStatus'
+import { isKeyManagedProviderType } from '../utils/providerTypeUtils'
+import { formatBillingType } from '@/utils/format'
+import { safeExternalWebUrl } from '@/utils/navigationSecurity'
+import { useI18n } from '@/i18n'
+
+const props = defineProps<{
+  provider: ProviderWithEndpointsSummary
+  editingDescriptionId: string | null
+  isBalanceLoading: (providerId: string) => boolean
+  getProviderBalance: (providerId: string) => { available: number | null; currency: string } | null
+  getProviderBalanceBreakdown: (providerId: string) => { balance: number; points: number; currency: string } | null
+  getProviderBalanceError: (providerId: string) => { status: string; message: string } | null
+  getProviderCheckin: (providerId: string) => { success: boolean | null; message: string } | null
+  getProviderCookieExpired: (providerId: string) => { expired: boolean; message: string } | null
+  getProviderBalanceExtra: (providerId: string, architectureId?: string) => BalanceExtraItem[]
+  formatBalanceDisplay: (balance: { available: number | null; currency: string } | null) => string
+  formatResetCountdown: (resetsAt: number) => string
+  getQuotaUsedColorClass: (provider: ProviderWithEndpointsSummary) => string
+}>()
+
+const emit = defineEmits<{
+  'mousedown': [event: MouseEvent]
+  'rowClick': [event: MouseEvent, providerId: string]
+  'viewDetail': [providerId: string]
+  'editProvider': [provider: ProviderWithEndpointsSummary]
+  'openOpsConfig': [provider: ProviderWithEndpointsSummary]
+  'toggleStatus': [provider: ProviderWithEndpointsSummary]
+  'deleteProvider': [provider: ProviderWithEndpointsSummary]
+  'startEditDescription': [event: Event, provider: ProviderWithEndpointsSummary]
+  'saveDescription': [event: Event, provider: ProviderWithEndpointsSummary, value: string]
+  'cancelEditDescription': [event?: Event]
+}>()
+
+const { legacyT, locale } = useI18n()
+const safeProviderWebsite = computed(() => safeExternalWebUrl(props.provider.website))
+const localDescriptionValue = ref('')
+const vAutoFocus = {
+  mounted: (element: HTMLElement) => element.focus(),
+}
+
+watch(() => props.editingDescriptionId, (providerId) => {
+  if (providerId === props.provider.id) {
+    localDescriptionValue.value = props.provider.description || ''
+  }
+}, { immediate: true })
+
+function handleStartEdit(event: Event) {
+  event.stopPropagation()
+  emit('startEditDescription', event, props.provider)
+}
+
+function handleSave(event: Event) {
+  event.stopPropagation()
+  emit('saveDescription', event, props.provider, localDescriptionValue.value)
+}
+
+function handleCancel(event: Event) {
+  event.stopPropagation()
+  emit('cancelEditDescription', event)
+}
+
+function handleDescriptionKeydown(event: KeyboardEvent) {
+  if (event.key === 'Enter') {
+    event.preventDefault()
+    handleSave(event)
+  } else if (event.key === 'Escape') {
+    handleCancel(event)
+  }
+}
+</script>

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

@@ -0,0 +1,36 @@
+<template>
+  <Button
+    variant="ghost"
+    size="icon"
+    class="h-8 w-5 touch-none select-none cursor-grab text-muted-foreground/50 hover:text-primary active:cursor-grabbing disabled:cursor-default"
+    :disabled="disabled"
+    :title="legacyT('拖动调整当前页展示顺序，也可使用方向键移动')"
+    :aria-label="`${legacyT('调整展示顺序')}: ${providerName}`"
+    data-provider-drag-handle
+    @pointerdown.stop="$emit('pointerdown', $event)"
+    @keydown.stop="$emit('keydown', $event)"
+    @mousedown.stop
+    @click.stop
+    @dragstart.prevent
+  >
+    <GripVertical class="h-4 w-4" />
+  </Button>
+</template>
+
+<script setup lang="ts">
+import { GripVertical } from 'lucide-vue-next'
+import Button from '@/components/ui/button.vue'
+import { useI18n } from '@/i18n'
+
+defineProps<{
+  providerName: string
+  disabled: boolean
+}>()
+
+defineEmits<{
+  pointerdown: [event: PointerEvent]
+  keydown: [event: KeyboardEvent]
+}>()
+
+const { legacyT } = useI18n()
+</script>

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

@@ -5,6 +5,7 @@
   >
     <!-- 第一行：名称 + 状态 + 操作 -->
     <div class="flex items-start justify-between gap-3">
+      <slot name="drag-handle" />
       <div class="flex-1 min-w-0 space-y-0.5">
         <div class="flex items-center gap-1.5">
           <span class="font-medium text-foreground truncate">{{ provider.name }}</span>

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

@@ -22,7 +22,7 @@
         </div>
 
         <!-- 状态筛选 -->
-        <div class="xl:hidden">
+        <div :class="{ 'xl:hidden': !cardView }">
           <Select
             :model-value="filterStatus"
             @update:model-value="$emit('update:filterStatus', $event)"
@@ -43,7 +43,7 @@
         </div>
 
         <!-- API 格式筛选 -->
-        <div class="xl:hidden">
+        <div :class="{ 'xl:hidden': !cardView }">
           <Select
             :model-value="filterApiFormat"
             @update:model-value="$emit('update:filterApiFormat', $event)"
@@ -64,7 +64,7 @@
         </div>
 
         <!-- 模型筛选 -->
-        <div class="xl:hidden">
+        <div :class="{ 'xl:hidden': !cardView }">
           <Select
             :model-value="filterModel"
             @update:model-value="$emit('update:filterModel', $event)"
@@ -122,13 +122,32 @@
           :loading="loading"
           @click="$emit('refresh')"
         />
+        <Button
+          variant="ghost"
+          size="icon"
+          class="h-8 w-8"
+          :class="{ 'bg-primary/10 text-primary hover:bg-primary/15 hover:text-primary': cardView }"
+          :title="legacyT(cardView ? '切换到列表视图' : '切换到卡片视图')"
+          :aria-label="legacyT('卡片视图')"
+          :aria-pressed="cardView"
+          @click="$emit('toggleView')"
+        >
+          <List
+            v-if="cardView"
+            class="w-3.5 h-3.5"
+          />
+          <LayoutGrid
+            v-else
+            class="w-3.5 h-3.5"
+          />
+        </Button>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
-import { Search, Plus, FilterX, Users } from 'lucide-vue-next'
+import { Search, Plus, FilterX, Users, LayoutGrid, List } from 'lucide-vue-next'
 import Button from '@/components/ui/button.vue'
 import Input from '@/components/ui/input.vue'
 import Select from '@/components/ui/select.vue'
@@ -150,6 +169,7 @@ defineProps<{
   modelFilters: FilterOption[]
   hasActiveFilters: boolean
   loading: boolean
+  cardView: boolean
 }>()
 
 defineEmits<{
@@ -161,6 +181,7 @@ defineEmits<{
   'batchProcess': []
   'addProvider': []
   'refresh': []
+  'toggleView': []
 }>()
 
 const { legacyT } = useI18n()

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

@@ -4,6 +4,13 @@
     @mousedown="$emit('mousedown', $event)"
     @click="$emit('rowClick', $event, provider.id)"
   >
+    <TableCell
+      v-if="$slots['drag-handle']"
+      class="w-9 px-2 py-3.5"
+      @click.stop
+    >
+      <slot name="drag-handle" />
+    </TableCell>
     <TableCell class="py-3.5">
       <div class="space-y-0.5">
         <div class="flex items-center gap-1.5">

frontend/src/features/providers/components/__tests__/provider-endpoint-health.spec.ts

@@ -5,6 +5,7 @@ import type { ProviderWithEndpointsSummary } from '@/api/endpoints'
 import { createI18n } from '@/i18n'
 import ProviderTableRow from '../ProviderTableRow.vue'
 import ProviderMobileCard from '../ProviderMobileCard.vue'
+import ProviderCard from '../ProviderCard.vue'
 
 vi.mock('../ProviderBalanceCell.vue', () => ({
   default: { render: () => null },
@@ -74,6 +75,7 @@ function mountProvider(component: Component, healthScore: number | null) {
 describe.each([
   ['desktop provider row', ProviderTableRow],
   ['mobile provider card', ProviderMobileCard],
+  ['grid provider card', ProviderCard],
 ] as const)('%s endpoint health', (_name, component) => {
   it.each([
     { score: null, label: '-', width: '100%', color: 'bg-muted-foreground/40' },

frontend/src/features/providers/composables/useProviderDisplayOrder.ts

@@ -0,0 +1,224 @@
+import { computed, nextTick, onScopeDispose, ref, watch, type Ref } from 'vue'
+import { useEventListener, useLocalStorage, useRafFn } from '@vueuse/core'
+import { useI18n } from '@/i18n'
+
+interface SortableProvider {
+  id: string
+  name: string
+}
+
+interface ProviderPointerDrag {
+  providerId: string
+  pointerId: number
+  startX: number
+  startY: number
+  handle: HTMLElement
+  scrollContainer: HTMLElement | null
+}
+
+export function useProviderDisplayOrder<Provider extends SortableProvider>(
+  providers: () => Provider[],
+  container: Ref<HTMLElement | null>,
+) {
+  const { legacyT } = useI18n()
+  const savedOrder = useLocalStorage<string[]>('aether-provider-display-order', [])
+  const knownOrder = ref<string[]>([])
+  const draggingProviderId = ref<string | null>(null)
+  const dropTargetId = ref<string | null>(null)
+  const pointerPosition = ref({ clientX: 0, clientY: 0 })
+  const announcement = ref('')
+  let pointerDrag: ProviderPointerDrag | null = null
+  let suppressClickUntil = 0
+
+  const normalizedOrder = computed(() => Array.isArray(savedOrder.value)
+    ? [...new Set(savedOrder.value.filter((providerId): providerId is string => typeof providerId === 'string'))]
+    : [])
+
+  const orderedProviders = computed(() => {
+    const ranks = new Map(normalizedOrder.value.map((providerId, index) => [providerId, index]))
+    return [...providers()].sort((first, second) => (
+      (ranks.get(first.id) ?? ranks.size) - (ranks.get(second.id) ?? ranks.size)
+    ))
+  })
+
+  const draggingProvider = computed(() => orderedProviders.value.find(provider => provider.id === draggingProviderId.value))
+  const dragPreviewStyle = computed(() => ({
+    left: `${Math.max(8, Math.min(pointerPosition.value.clientX + 12, window.innerWidth - 208))}px`,
+    top: `${Math.max(8, Math.min(pointerPosition.value.clientY + 12, window.innerHeight - 48))}px`,
+  }))
+
+  function moveProvider(providerId: string, targetId: string) {
+    const visibleIds = orderedProviders.value.map(provider => provider.id)
+    const sourceIndex = visibleIds.indexOf(providerId)
+    const targetIndex = visibleIds.indexOf(targetId)
+    if (sourceIndex < 0 || targetIndex < 0 || sourceIndex === targetIndex) return
+
+    visibleIds.splice(sourceIndex, 1)
+    visibleIds.splice(targetIndex, 0, providerId)
+    const visibleSet = new Set(visibleIds)
+    const allIds = [...new Set([...normalizedOrder.value, ...knownOrder.value, ...visibleIds])]
+    let visibleIndex = 0
+    savedOrder.value = allIds.map(currentId => visibleSet.has(currentId) ? visibleIds[visibleIndex++] ?? currentId : currentId)
+    announcement.value = `${legacyT('展示顺序已更新')}: ${orderedProviders.value[targetIndex]?.name} (${targetIndex + 1}/${visibleIds.length})`
+  }
+
+  function updateDropTarget() {
+    const target = document.elementFromPoint(pointerPosition.value.clientX, pointerPosition.value.clientY)
+      ?.closest<HTMLElement>('[data-provider-sort-id]')
+    const targetId = target?.dataset.providerSortId
+    dropTargetId.value = target && container.value?.contains(target)
+      && targetId !== draggingProviderId.value
+      && orderedProviders.value.some(provider => provider.id === targetId)
+      ? targetId ?? null
+      : null
+  }
+
+  function findScrollContainer(handle: HTMLElement): HTMLElement | null {
+    let ancestor = handle.parentElement
+    while (ancestor && ancestor !== document.body) {
+      if (/(auto|scroll)/.test(getComputedStyle(ancestor).overflowY) && ancestor.scrollHeight > ancestor.clientHeight) {
+        return ancestor
+      }
+      ancestor = ancestor.parentElement
+    }
+    return document.scrollingElement as HTMLElement | null
+  }
+
+  const { pause, resume } = useRafFn(() => {
+    const scrollContainer = pointerDrag?.scrollContainer
+    if (scrollContainer) {
+      const bounds = scrollContainer.getBoundingClientRect()
+      const isDocument = scrollContainer === document.scrollingElement
+      const top = isDocument ? 0 : Math.max(0, bounds.top)
+      const bottom = isDocument ? window.innerHeight : Math.min(window.innerHeight, bounds.bottom)
+      const pointerY = pointerPosition.value.clientY
+      const pointerX = pointerPosition.value.clientX
+      if (isDocument || (pointerX >= bounds.left && pointerX <= bounds.right)) {
+        if (pointerY < top + 48) {
+          scrollContainer.scrollTop -= Math.min(12, (top + 48 - pointerY) / 4)
+        } else if (pointerY > bottom - 48) {
+          scrollContainer.scrollTop += Math.min(12, (pointerY - bottom + 48) / 4)
+        }
+      }
+    }
+    updateDropTarget()
+  }, { immediate: false })
+
+  function cancelDrag() {
+    const previous = pointerDrag
+    pointerDrag = null
+    pause()
+    if (draggingProviderId.value) suppressClickUntil = Date.now() + 250
+    draggingProviderId.value = null
+    dropTargetId.value = null
+    if (previous?.handle.hasPointerCapture?.(previous.pointerId)) {
+      previous.handle.releasePointerCapture(previous.pointerId)
+    }
+  }
+
+  function startDrag(providerId: string, event: PointerEvent) {
+    if (event.button !== 0 || event.isPrimary === false || orderedProviders.value.length < 2) return
+    if (!orderedProviders.value.some(provider => provider.id === providerId)) return
+    const handle = event.currentTarget
+    if (!(handle instanceof HTMLElement)) return
+
+    cancelDrag()
+    event.preventDefault()
+    handle.focus({ preventScroll: true })
+    pointerDrag = {
+      providerId,
+      pointerId: event.pointerId,
+      startX: event.clientX,
+      startY: event.clientY,
+      handle,
+      scrollContainer: findScrollContainer(handle),
+    }
+    pointerPosition.value = { clientX: event.clientX, clientY: event.clientY }
+    handle.setPointerCapture?.(event.pointerId)
+  }
+
+  function handlePointerMove(event: PointerEvent) {
+    if (!pointerDrag || pointerDrag.pointerId !== event.pointerId) return
+    pointerPosition.value = { clientX: event.clientX, clientY: event.clientY }
+    if (!draggingProviderId.value) {
+      if (Math.hypot(event.clientX - pointerDrag.startX, event.clientY - pointerDrag.startY) < 5) return
+      draggingProviderId.value = pointerDrag.providerId
+      resume()
+    }
+    event.preventDefault()
+    updateDropTarget()
+  }
+
+  function handlePointerUp(event: PointerEvent) {
+    if (!pointerDrag || pointerDrag.pointerId !== event.pointerId) return
+    const providerId = draggingProviderId.value
+    if (providerId) {
+      pointerPosition.value = { clientX: event.clientX, clientY: event.clientY }
+      updateDropTarget()
+    }
+    const targetId = dropTargetId.value
+    cancelDrag()
+    if (providerId && targetId) moveProvider(providerId, targetId)
+  }
+
+  function handleSortKeydown(providerId: string, event: KeyboardEvent) {
+    if (event.key === 'Escape') {
+      cancelDrag()
+      return
+    }
+    const directions: Record<string, number> = { ArrowUp: -1, ArrowLeft: -1, ArrowDown: 1, ArrowRight: 1 }
+    const direction = directions[event.key]
+    if (direction === undefined || pointerDrag) return
+    event.preventDefault()
+    const index = orderedProviders.value.findIndex(provider => provider.id === providerId)
+    const target = orderedProviders.value[index + direction]
+    if (index < 0 || !target) return
+    const handle = event.currentTarget as HTMLElement
+    moveProvider(providerId, target.id)
+    void nextTick(() => handle.focus({ preventScroll: true }))
+  }
+
+  function handleSortClick(event: MouseEvent) {
+    if (!draggingProviderId.value && Date.now() >= suppressClickUntil) return
+    suppressClickUntil = 0
+    event.preventDefault()
+    event.stopPropagation()
+  }
+
+  function sortItemClass(providerId: string) {
+    return {
+      'opacity-40': draggingProviderId.value === providerId,
+      'ring-2 ring-inset ring-primary/60 bg-primary/5': dropTargetId.value === providerId,
+    }
+  }
+
+  watch(() => providers().map(provider => provider.id), (providerIds) => {
+    knownOrder.value = [...new Set([...knownOrder.value, ...providerIds])]
+    cancelDrag()
+  }, { immediate: true })
+  useEventListener(window, 'pointermove', handlePointerMove, { passive: false })
+  useEventListener(window, 'pointerup', handlePointerUp)
+  useEventListener(window, 'pointercancel', (event) => {
+    if (pointerDrag?.pointerId === event.pointerId) cancelDrag()
+  })
+  useEventListener(window, 'lostpointercapture', (event) => {
+    if (pointerDrag?.pointerId === event.pointerId) cancelDrag()
+  })
+  useEventListener(window, 'blur', cancelDrag)
+  useEventListener(window, 'keydown', (event) => {
+    if (event.key === 'Escape') cancelDrag()
+  })
+  onScopeDispose(cancelDrag)
+
+  return {
+    orderedProviders,
+    draggingProvider,
+    dragPreviewStyle,
+    announcement,
+    startDrag,
+    cancelDrag,
+    handleSortKeydown,
+    handleSortClick,
+    sortItemClass,
+  }
+}