diff --git a/frontend/src/api/endpoints/global-models.ts b/frontend/src/api/endpoints/global-models.ts
index d437ff3..ba0d4bf 100644
--- a/frontend/src/api/endpoints/global-models.ts
+++ b/frontend/src/api/endpoints/global-models.ts
@@ -6,6 +6,16 @@ import type {
   GlobalModelWithStats,
   GlobalModelListResponse,
   ModelCatalogProviderDetail,
+  ModelRoutingPreviewResponse,
+} from './types'
+
+// 重新导出路由相关类型供外部使用
+export type {
+  RoutingKeyInfo,
+  RoutingEndpointInfo,
+  RoutingModelMapping,
+  RoutingProviderInfo,
+  ModelRoutingPreviewResponse,
 } from './types'
 
 /**
@@ -97,3 +107,15 @@ export async function getGlobalModelProviders(globalModelId: string): Promise<{
   )
   return response.data
 }
+
+/**
+ * 获取 GlobalModel 的请求链路预览
+ */
+export async function getGlobalModelRoutingPreview(
+  globalModelId: string
+): Promise<ModelRoutingPreviewResponse> {
+  const response = await client.get(
+    `/api/admin/models/global/${globalModelId}/routing`
+  )
+  return response.data
+}
diff --git a/frontend/src/api/endpoints/types.ts b/frontend/src/api/endpoints/types.ts
index 0200809..c318766 100644
--- a/frontend/src/api/endpoints/types.ts
+++ b/frontend/src/api/endpoints/types.ts
@@ -622,3 +622,83 @@ export interface ImportFromUpstreamResponse {
   success: ImportFromUpstreamSuccessItem[]
   errors: ImportFromUpstreamErrorItem[]
 }
+
+// ========== 路由预览相关类型 ==========
+
+/**
+ * Key 路由信息
+ */
+export interface RoutingKeyInfo {
+  id: string
+  name: string
+  masked_key: string
+  internal_priority: number
+  global_priority?: number | null
+  rpm_limit?: number | null
+  is_adaptive: boolean
+  effective_rpm?: number | null
+  cache_ttl_minutes: number
+  health_score: number
+  is_active: boolean
+  api_formats: string[]
+  circuit_breaker_open: boolean
+  circuit_breaker_formats: string[]
+}
+
+/**
+ * Endpoint 路由信息
+ */
+export interface RoutingEndpointInfo {
+  id: string
+  api_format: string
+  base_url: string
+  custom_path?: string | null
+  is_active: boolean
+  keys: RoutingKeyInfo[]
+  total_keys: number
+  active_keys: number
+}
+
+/**
+ * 模型名称映射信息
+ */
+export interface RoutingModelMapping {
+  name: string
+  priority: number
+  api_formats?: string[] | null
+}
+
+/**
+ * Provider 路由信息
+ */
+export interface RoutingProviderInfo {
+  id: string
+  name: string
+  model_id: string
+  provider_priority: number
+  billing_type?: string | null
+  monthly_quota_usd?: number | null
+  monthly_used_usd?: number | null
+  is_active: boolean
+  provider_model_name: string
+  model_mappings: RoutingModelMapping[]
+  model_is_active: boolean
+  endpoints: RoutingEndpointInfo[]
+  total_endpoints: number
+  active_endpoints: number
+}
+
+/**
+ * 模型请求链路预览响应
+ */
+export interface ModelRoutingPreviewResponse {
+  global_model_id: string
+  global_model_name: string
+  display_name: string
+  is_active: boolean
+  providers: RoutingProviderInfo[]
+  total_providers: number
+  active_providers: number
+  scheduling_mode: string
+  priority_mode: string
+}
diff --git a/frontend/src/api/global-models.ts b/frontend/src/api/global-models.ts
index 42884a9..1c92a3c 100644
--- a/frontend/src/api/global-models.ts
+++ b/frontend/src/api/global-models.ts
@@ -21,4 +21,5 @@ export {
   deleteGlobalModel,
   batchAssignToProviders,
   getGlobalModelProviders,
+  getGlobalModelRoutingPreview,
 } from './endpoints/global-models'
diff --git a/frontend/src/components/ui/collapsible-trigger.vue b/frontend/src/components/ui/collapsible-trigger.vue
index b12d852..27fca42 100644
--- a/frontend/src/components/ui/collapsible-trigger.vue
+++ b/frontend/src/components/ui/collapsible-trigger.vue
@@ -5,7 +5,10 @@ const props = defineProps<CollapsibleTriggerProps>()
 </script>
 
 <template>
-  <CollapsibleTrigger v-bind="props" as-child>
+  <CollapsibleTrigger
+    v-bind="props"
+    as-child
+  >
     <slot />
   </CollapsibleTrigger>
 </template>
diff --git a/frontend/src/features/models/components/ModelDetailDrawer.vue b/frontend/src/features/models/components/ModelDetailDrawer.vue
index abd5f6a..666e555 100644
--- a/frontend/src/features/models/components/ModelDetailDrawer.vue
+++ b/frontend/src/features/models/components/ModelDetailDrawer.vue
@@ -95,14 +95,14 @@
                 type="button"
                 class="flex-1 px-2 sm:px-4 py-2 text-xs sm:text-sm font-medium rounded-md transition-all duration-200"
                 :class="[
-                  detailTab === 'providers'
+                  detailTab === 'routing'
                     ? 'bg-primary text-primary-foreground shadow-sm'
                     : 'text-muted-foreground hover:text-foreground hover:bg-background/50'
                 ]"
-                @click="detailTab = 'providers'"
+                @click="detailTab = 'routing'"
               >
-                <span class="hidden sm:inline">关联提供商</span>
-                <span class="sm:hidden">提供商</span>
+                <span class="hidden sm:inline">链路控制</span>
+                <span class="sm:hidden">链路</span>
               </button>
             </div>
 
@@ -407,269 +407,17 @@
               </div>
             </div>
 
-            <!-- Tab 2: 关联提供商 -->
-            <div v-show="detailTab === 'providers'">
-              <Card class="overflow-hidden">
-                <!-- 标题栏 -->
-                <div class="px-4 py-3 border-b border-border/60">
-                  <div class="flex items-center justify-between gap-4">
-                    <div>
-                      <h4 class="text-sm font-semibold">
-                        关联提供商列表
-                      </h4>
-                    </div>
-                    <div class="flex items-center gap-2">
-                      <Button
-                        variant="ghost"
-                        size="icon"
-                        class="h-8 w-8"
-                        title="添加关联"
-                        @click="$emit('addProvider')"
-                      >
-                        <Plus class="w-3.5 h-3.5" />
-                      </Button>
-                      <Button
-                        variant="ghost"
-                        size="icon"
-                        class="h-8 w-8"
-                        title="刷新"
-                        @click="$emit('refreshProviders')"
-                      >
-                        <RefreshCw
-                          class="w-3.5 h-3.5"
-                          :class="loadingProviders ? 'animate-spin' : ''"
-                        />
-                      </Button>
-                    </div>
-                  </div>
-                </div>
-
-                <!-- 表格内容 -->
-                <div
-                  v-if="loadingProviders"
-                  class="flex items-center justify-center py-12"
-                >
-                  <Loader2 class="w-6 h-6 animate-spin text-primary" />
-                </div>
-
-                <template v-else-if="providers.length > 0">
-                  <!-- 桌面端表格 -->
-                  <Table class="hidden sm:table">
-                    <TableHeader>
-                      <TableRow class="border-b border-border/60 hover:bg-transparent">
-                        <TableHead class="h-10 font-semibold">
-                          Provider
-                        </TableHead>
-                        <TableHead class="w-[100px] h-10 font-semibold">
-                          能力
-                        </TableHead>
-                        <TableHead class="w-[200px] h-10 font-semibold">
-                          价格 ($/M)
-                        </TableHead>
-                        <TableHead class="w-[100px] h-10 font-semibold text-center">
-                          操作
-                        </TableHead>
-                      </TableRow>
-                    </TableHeader>
-                    <TableBody>
-                      <TableRow
-                        v-for="provider in providers"
-                        :key="provider.id"
-                        class="border-b border-border/40 hover:bg-muted/30 transition-colors"
-                      >
-                        <TableCell class="py-3">
-                          <div class="flex items-center gap-2">
-                            <span
-                              class="w-2 h-2 rounded-full shrink-0"
-                              :class="provider.is_active ? 'bg-green-500' : 'bg-gray-300'"
-                              :title="provider.is_active ? '活跃' : '停用'"
-                            />
-                            <span class="font-medium truncate">{{ provider.name }}</span>
-                          </div>
-                        </TableCell>
-                        <TableCell class="py-3">
-                          <div class="flex gap-0.5">
-                            <Zap
-                              v-if="provider.supports_streaming"
-                              class="w-3.5 h-3.5 text-muted-foreground"
-                              title="流式输出"
-                            />
-                            <Eye
-                              v-if="provider.supports_vision"
-                              class="w-3.5 h-3.5 text-muted-foreground"
-                              title="视觉理解"
-                            />
-                            <Wrench
-                              v-if="provider.supports_function_calling"
-                              class="w-3.5 h-3.5 text-muted-foreground"
-                              title="工具调用"
-                            />
-                          </div>
-                        </TableCell>
-                        <TableCell class="py-3">
-                          <div class="text-xs font-mono space-y-0.5">
-                            <!-- Token 计费：输入/输出 -->
-                            <div v-if="(provider.input_price_per_1m || 0) > 0 || (provider.output_price_per_1m || 0) > 0">
-                              <span class="text-muted-foreground">输入/输出:</span>
-                              <span class="ml-1">${{ (provider.input_price_per_1m || 0).toFixed(1) }}/${{ (provider.output_price_per_1m || 0).toFixed(1) }}</span>
-                              <!-- 阶梯标记 -->
-                              <span
-                                v-if="(provider.tier_count || 1) > 1"
-                                class="ml-1 text-muted-foreground"
-                                title="阶梯计费"
-                              >[阶梯]</span>
-                            </div>
-                            <!-- 缓存价格 -->
-                            <div
-                              v-if="(provider.cache_creation_price_per_1m || 0) > 0 || (provider.cache_read_price_per_1m || 0) > 0"
-                              class="text-muted-foreground"
-                            >
-                              <span>缓存:</span>
-                              <span class="ml-1">${{ (provider.cache_creation_price_per_1m || 0).toFixed(2) }}/${{ (provider.cache_read_price_per_1m || 0).toFixed(2) }}</span>
-                            </div>
-                            <!-- 1h 缓存价格 -->
-                            <div
-                              v-if="(provider.cache_1h_creation_price_per_1m || 0) > 0"
-                              class="text-muted-foreground"
-                            >
-                              <span>1h 缓存:</span>
-                              <span class="ml-1">${{ (provider.cache_1h_creation_price_per_1m || 0).toFixed(2) }}</span>
-                            </div>
-                            <!-- 按次计费 -->
-                            <div v-if="(provider.price_per_request || 0) > 0">
-                              <span class="text-muted-foreground">按次:</span>
-                              <span class="ml-1">${{ (provider.price_per_request || 0).toFixed(3) }}/次</span>
-                            </div>
-                            <!-- 无定价 -->
-                            <span
-                              v-if="!(provider.input_price_per_1m || 0) && !(provider.output_price_per_1m || 0) && !(provider.price_per_request || 0)"
-                              class="text-muted-foreground"
-                            >-</span>
-                          </div>
-                        </TableCell>
-                        <TableCell class="py-3 text-center">
-                          <div class="flex items-center justify-center gap-1">
-                            <Button
-                              variant="ghost"
-                              size="icon"
-                              class="h-7 w-7"
-                              title="编辑此关联"
-                              @click="$emit('editProvider', provider)"
-                            >
-                              <Edit class="w-3.5 h-3.5" />
-                            </Button>
-                            <Button
-                              variant="ghost"
-                              size="icon"
-                              class="h-7 w-7"
-                              :title="provider.is_active ? '停用此关联' : '启用此关联'"
-                              @click="$emit('toggleProviderStatus', provider)"
-                            >
-                              <Power class="w-3.5 h-3.5" />
-                            </Button>
-                            <Button
-                              variant="ghost"
-                              size="icon"
-                              class="h-7 w-7"
-                              title="删除此关联"
-                              @click="$emit('deleteProvider', provider)"
-                            >
-                              <Trash2 class="w-3.5 h-3.5" />
-                            </Button>
-                          </div>
-                        </TableCell>
-                      </TableRow>
-                    </TableBody>
-                  </Table>
-
-                  <!-- 移动端卡片列表 -->
-                  <div class="sm:hidden divide-y divide-border/40">
-                    <div
-                      v-for="provider in providers"
-                      :key="provider.id"
-                      class="p-4 space-y-3"
-                    >
-                      <div class="flex items-start justify-between gap-3">
-                        <div class="flex items-center gap-2 min-w-0">
-                          <span
-                            class="w-2 h-2 rounded-full shrink-0"
-                            :class="provider.is_active ? 'bg-green-500' : 'bg-gray-300'"
-                          />
-                          <span class="font-medium truncate">{{ provider.name }}</span>
-                        </div>
-                        <div class="flex items-center gap-1 shrink-0">
-                          <Button
-                            variant="ghost"
-                            size="icon"
-                            class="h-7 w-7"
-                            @click="$emit('editProvider', provider)"
-                          >
-                            <Edit class="w-3.5 h-3.5" />
-                          </Button>
-                          <Button
-                            variant="ghost"
-                            size="icon"
-                            class="h-7 w-7"
-                            @click="$emit('toggleProviderStatus', provider)"
-                          >
-                            <Power class="w-3.5 h-3.5" />
-                          </Button>
-                          <Button
-                            variant="ghost"
-                            size="icon"
-                            class="h-7 w-7"
-                            @click="$emit('deleteProvider', provider)"
-                          >
-                            <Trash2 class="w-3.5 h-3.5" />
-                          </Button>
-                        </div>
-                      </div>
-                      <div class="flex items-center gap-3 text-xs">
-                        <div class="flex gap-1">
-                          <Zap
-                            v-if="provider.supports_streaming"
-                            class="w-3.5 h-3.5 text-muted-foreground"
-                          />
-                          <Eye
-                            v-if="provider.supports_vision"
-                            class="w-3.5 h-3.5 text-muted-foreground"
-                          />
-                          <Wrench
-                            v-if="provider.supports_function_calling"
-                            class="w-3.5 h-3.5 text-muted-foreground"
-                          />
-                        </div>
-                        <div
-                          v-if="(provider.input_price_per_1m || 0) > 0 || (provider.output_price_per_1m || 0) > 0"
-                          class="text-muted-foreground font-mono"
-                        >
-                          ${{ (provider.input_price_per_1m || 0).toFixed(1) }}/${{ (provider.output_price_per_1m || 0).toFixed(1) }}
-                        </div>
-                      </div>
-                    </div>
-                  </div>
-                </template>
-
-                <div
-                  v-else
-                  class="text-center py-12"
-                >
-                  <!-- 空状态 -->
-                  <Building2 class="w-12 h-12 mx-auto text-muted-foreground/30 mb-3" />
-                  <p class="text-sm text-muted-foreground">
-                    暂无关联提供商
-                  </p>
-                  <Button
-                    size="sm"
-                    variant="outline"
-                    class="mt-4"
-                    @click="$emit('addProvider')"
-                  >
-                    <Plus class="w-4 h-4 mr-1" />
-                    添加第一个关联
-                  </Button>
-                </div>
-              </Card>
+            <!-- Tab 2: 链路控制 -->
+            <div v-show="detailTab === 'routing'">
+              <RoutingTab
+                v-if="model"
+                ref="routingTabRef"
+                :global-model-id="model.id"
+                @add-provider="$emit('addProvider')"
+                @edit-provider="handleEditProviderFromRouting"
+                @toggle-provider-status="handleToggleProviderFromRouting"
+                @delete-provider="handleDeleteProviderFromRouting"
+              />
             </div>
           </div>
         </Card>
@@ -688,12 +436,8 @@ import {
   Zap,
   Image,
   Building2,
-  Plus,
   Edit,
-  Trash2,
   Power,
-  Loader2,
-  RefreshCw,
   Copy,
   Layers,
   BarChart3
@@ -711,14 +455,15 @@ import TableBody from '@/components/ui/table-body.vue'
 import TableRow from '@/components/ui/table-row.vue'
 import TableHead from '@/components/ui/table-head.vue'
 import TableCell from '@/components/ui/table-cell.vue'
+import RoutingTab from './RoutingTab.vue'
 
 // 使用外部类型定义
 import type { GlobalModelResponse } from '@/api/global-models'
 import type { TieredPricingConfig, PricingTier } from '@/api/endpoints/types'
 import type { CapabilityDefinition } from '@/api/endpoints'
+import type { RoutingProviderInfo } from '@/api/global-models'
 
 const props = withDefaults(defineProps<Props>(), {
-  loadingProviders: false,
   hasBlockingDialogOpen: false,
 })
 const emit = defineEmits<{
@@ -729,7 +474,6 @@ const emit = defineEmits<{
   'editProvider': [provider: any]
   'deleteProvider': [provider: any]
   'toggleProviderStatus': [provider: any]
-  'refreshProviders': []
 }>()
 const { success: showSuccess, error: showError } = useToast()
 const { copyToClipboard } = useClipboard()
@@ -737,12 +481,48 @@ const { copyToClipboard } = useClipboard()
 interface Props {
   model: GlobalModelResponse | null
   open: boolean
-  providers: any[]
-  loadingProviders?: boolean
   hasBlockingDialogOpen?: boolean
   capabilities?: CapabilityDefinition[]
 }
 
+// RoutingTab 引用
+const routingTabRef = ref<InstanceType<typeof RoutingTab> | null>(null)
+
+// 将 RoutingProviderInfo 转换为父组件期望的格式
+function convertRoutingProviderToLegacyFormat(provider: RoutingProviderInfo) {
+  return {
+    id: provider.id,
+    model_id: provider.model_id,
+    name: provider.name,
+    is_active: provider.model_is_active
+  }
+}
+
+// 处理从 RoutingTab 来的编辑事件
+function handleEditProviderFromRouting(provider: RoutingProviderInfo) {
+  emit('editProvider', convertRoutingProviderToLegacyFormat(provider))
+}
+
+// 处理从 RoutingTab 来的状态切换事件
+function handleToggleProviderFromRouting(provider: RoutingProviderInfo) {
+  emit('toggleProviderStatus', convertRoutingProviderToLegacyFormat(provider))
+}
+
+// 处理从 RoutingTab 来的删除事件
+function handleDeleteProviderFromRouting(provider: RoutingProviderInfo) {
+  emit('deleteProvider', convertRoutingProviderToLegacyFormat(provider))
+}
+
+// 刷新路由数据
+function refreshRoutingData() {
+  routingTabRef.value?.loadRoutingData?.()
+}
+
+// 暴露刷新方法给父组件
+defineExpose({
+  refreshRoutingData
+})
+
 // 根据能力名称获取显示名称
 function getCapabilityDisplayName(capName: string): string {
   const cap = props.capabilities?.find(c => c.name === capName)
diff --git a/frontend/src/features/models/components/RoutingTab.vue b/frontend/src/features/models/components/RoutingTab.vue
new file mode 100644
index 0000000..ce948f4
--- /dev/null
+++ b/frontend/src/features/models/components/RoutingTab.vue
@@ -0,0 +1,1014 @@
+<template>
+  <Card class="overflow-hidden">
+    <!-- 标题栏 -->
+    <div class="px-4 py-3 border-b border-border/60">
+      <div class="flex items-center justify-between gap-4">
+        <div class="flex items-center gap-2">
+          <h4 class="text-sm font-semibold">
+            请求链路预览
+          </h4>
+          <template v-if="routingData">
+            <span class="text-muted-foreground">·</span>
+            <span class="text-xs text-muted-foreground">
+              {{ getSchedulingModeLabel(routingData.scheduling_mode) }}
+            </span>
+            <span class="text-muted-foreground">·</span>
+            <span class="text-xs text-muted-foreground">
+              {{ getPriorityModeLabel(routingData.priority_mode) }}
+            </span>
+          </template>
+        </div>
+        <div class="flex items-center gap-2">
+          <Button
+            variant="ghost"
+            size="icon"
+            class="h-8 w-8"
+            title="添加关联"
+            @click="$emit('addProvider')"
+          >
+            <Plus class="w-3.5 h-3.5" />
+          </Button>
+          <Button
+            variant="ghost"
+            size="icon"
+            class="h-8 w-8"
+            title="刷新"
+            @click="loadRoutingData"
+          >
+            <RefreshCw
+              class="w-3.5 h-3.5"
+              :class="loading ? 'animate-spin' : ''"
+            />
+          </Button>
+        </div>
+      </div>
+    </div>
+
+    <!-- 加载状态 -->
+    <div
+      v-if="loading"
+      class="flex items-center justify-center py-12"
+    >
+      <Loader2 class="w-6 h-6 animate-spin text-primary" />
+    </div>
+
+    <template v-else-if="routingData">
+      <div class="p-4 space-y-4">
+        <!-- 空状态 -->
+        <div
+          v-if="apiFormatGroups.length === 0"
+          class="text-center py-8"
+        >
+          <Route class="w-10 h-10 mx-auto text-muted-foreground/30 mb-3" />
+          <p class="text-sm text-muted-foreground">
+            暂无关联提供商
+          </p>
+          <p class="text-xs text-muted-foreground mt-1">
+            请先为此模型添加提供商关联
+          </p>
+        </div>
+
+        <!-- API 格式分组 -->
+        <div
+          v-for="formatGroup in apiFormatGroups"
+          :key="formatGroup.api_format"
+          class="border border-border/60 rounded-lg overflow-hidden"
+        >
+          <!-- 格式标题栏 -->
+          <div
+            class="px-3 py-2 bg-muted/30 border-b border-border/40 flex items-center justify-between cursor-pointer"
+            @click="toggleFormat(formatGroup.api_format)"
+          >
+            <div class="flex items-center gap-2">
+              <Badge
+                variant="secondary"
+                class="text-xs font-medium"
+              >
+                {{ formatGroup.api_format }}
+              </Badge>
+              <span class="text-xs text-muted-foreground">
+                {{ formatGroup.active_keys }}/{{ formatGroup.total_keys }} Keys
+              </span>
+              <span class="text-xs text-muted-foreground">·</span>
+              <span class="text-xs text-muted-foreground">
+                {{ formatGroup.active_providers }}/{{ formatGroup.total_providers }} 提供商
+              </span>
+            </div>
+            <ChevronDown
+              class="w-4 h-4 text-muted-foreground transition-transform"
+              :class="isFormatExpanded(formatGroup.api_format) ? 'rotate-180' : ''"
+            />
+          </div>
+
+          <!-- 展开的内容 -->
+          <Transition name="collapse">
+            <div v-if="isFormatExpanded(formatGroup.api_format)">
+              <!-- ========== 全局 Key 优先模式 ========== -->
+              <template v-if="isGlobalKeyMode">
+                <div class="relative">
+                  <!-- 垂直主线 -->
+                  <div
+                    v-if="formatGroup.keyGroups.length > 0"
+                    class="absolute left-5 top-0 bottom-0 w-0.5 bg-border"
+                  />
+
+                  <div class="py-2">
+                    <template
+                      v-for="(keyGroup, groupIndex) in formatGroup.keyGroups"
+                      :key="groupIndex"
+                    >
+                      <!-- 第一组且有多个 key 时显示负载均衡标签 -->
+                      <div
+                        v-if="groupIndex === 0 && keyGroup.keys.length > 1"
+                        class="ml-10 mr-3 mb-1 flex items-center gap-1 text-[10px] text-muted-foreground/60"
+                      >
+                        <span>负载均衡</span>
+                      </div>
+
+                      <!-- 该优先级组内的 Keys -->
+                      <div
+                        v-for="(keyEntry, keyIndex) in keyGroup.keys"
+                        :key="keyEntry.key.id"
+                        class="relative"
+                      >
+                        <!-- 节点圆点 -->
+                        <div
+                          class="absolute left-[14px] top-4 w-3 h-3 rounded-full border-2 z-10"
+                          :class="getGlobalKeyNodeClass(keyEntry, groupIndex, keyIndex)"
+                        />
+
+                        <!-- Key 卡片（无展开，直接显示所有信息） -->
+                        <div
+                          class="ml-10 mr-3 mb-2"
+                          :class="!keyEntry.key.is_active ? 'opacity-50' : ''"
+                        >
+                          <div
+                            class="group rounded-lg transition-all p-2.5"
+                            :class="getGlobalKeyCardClass(keyEntry, groupIndex, keyIndex)"
+                          >
+                            <div class="flex items-center gap-2">
+                              <!-- 第一列：优先级标签 -->
+                              <div
+                                v-if="keyEntry.key.is_active"
+                                class="px-1.5 py-0.5 rounded-full text-[10px] font-medium shrink-0"
+                                :class="groupIndex === 0 && keyIndex === 0
+                                  ? 'bg-primary text-primary-foreground'
+                                  : 'bg-muted-foreground/20 text-muted-foreground'"
+                              >
+                                <span v-if="groupIndex === 0 && keyIndex === 0">首选</span>
+                                <span v-else>P{{ keyGroup.priority ?? '?' }}</span>
+                              </div>
+
+                              <!-- 第二列：状态指示灯 -->
+                              <span
+                                class="w-1.5 h-1.5 rounded-full shrink-0"
+                                :class="getKeyStatusClass(keyEntry.key)"
+                              />
+
+                              <!-- 第三列：Key 名称 + Provider 信息 -->
+                              <div class="min-w-0 flex-1">
+                                <div class="flex items-center gap-1">
+                                  <span
+                                    class="text-sm font-medium truncate"
+                                    :class="keyEntry.key.circuit_breaker_open ? 'text-destructive' : ''"
+                                  >
+                                    {{ keyEntry.key.name }}
+                                  </span>
+                                  <code class="font-mono text-[10px] text-muted-foreground/60 shrink-0">
+                                    {{ keyEntry.key.masked_key }}
+                                  </code>
+                                  <Zap
+                                    v-if="keyEntry.key.circuit_breaker_open"
+                                    class="w-3 h-3 text-destructive shrink-0"
+                                  />
+                                </div>
+                                <!-- Provider 和 Endpoint 信息 -->
+                                <div class="text-[10px] text-muted-foreground truncate">
+                                  {{ keyEntry.provider.name }}
+                                  <span v-if="hasModelMapping(keyEntry.provider)">
+                                    ({{ keyEntry.provider.provider_model_name }})
+                                  </span>
+                                  <span v-if="keyEntry.provider.billing_type">
+                                    · {{ getBillingLabel(keyEntry.provider) }}
+                                  </span>
+                                  <span v-if="keyEntry.endpoint">
+                                    · {{ keyEntry.endpoint.base_url }}
+                                  </span>
+                                </div>
+                              </div>
+
+                              <!-- 第四列：健康度 + RPM + 操作按钮 -->
+                              <div class="flex items-center gap-1.5 shrink-0">
+                                <!-- 健康度 -->
+                                <div class="flex items-center gap-1">
+                                  <div class="w-8 h-1 bg-muted/80 rounded-full overflow-hidden">
+                                    <div
+                                      class="h-full transition-all duration-300"
+                                      :class="getHealthScoreBarColor(keyEntry.key.health_score)"
+                                      :style="{ width: `${keyEntry.key.health_score}%` }"
+                                    />
+                                  </div>
+                                  <span
+                                    class="text-[10px] font-medium tabular-nums"
+                                    :class="getHealthScoreTextColor(keyEntry.key.health_score)"
+                                  >
+                                    {{ Math.round(keyEntry.key.health_score) }}%
+                                  </span>
+                                </div>
+                                <!-- RPM -->
+                                <span
+                                  v-if="keyEntry.key.effective_rpm"
+                                  class="text-[10px] text-muted-foreground/60"
+                                >
+                                  {{ keyEntry.key.is_adaptive ? '~' : '' }}{{ keyEntry.key.effective_rpm }}
+                                </span>
+                                <!-- 操作按钮 -->
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  title="编辑此关联"
+                                  @click.stop="$emit('editProvider', keyEntry.provider)"
+                                >
+                                  <Edit class="w-3 h-3" />
+                                </Button>
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  :title="keyEntry.provider.model_is_active ? '停用此关联' : '启用此关联'"
+                                  @click.stop="$emit('toggleProviderStatus', keyEntry.provider)"
+                                >
+                                  <Power class="w-3 h-3" />
+                                </Button>
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  title="删除此关联"
+                                  @click.stop="$emit('deleteProvider', keyEntry.provider)"
+                                >
+                                  <Trash2 class="w-3 h-3" />
+                                </Button>
+                              </div>
+                            </div>
+                            <!-- 熔断详情（如果有） -->
+                            <div
+                              v-if="keyEntry.key.circuit_breaker_open"
+                              class="text-[10px] text-destructive mt-1.5 ml-6"
+                            >
+                              熔断中: {{ keyEntry.key.circuit_breaker_formats.join(', ') }}
+                            </div>
+                          </div>
+                        </div>
+                      </div>
+
+                      <!-- 降级标记（如果下一组有多个 key，显示"降级 · 负载均衡"） -->
+                      <div
+                        v-if="groupIndex < formatGroup.keyGroups.length - 1"
+                        class="ml-10 -mt-1 mb-1 flex items-center gap-1"
+                      >
+                        <ArrowDown class="w-3 h-3 text-muted-foreground/50" />
+                        <span class="text-[10px] text-muted-foreground/50">
+                          {{ formatGroup.keyGroups[groupIndex + 1].keys.length > 1 ? '降级 · 负载均衡' : '降级' }}
+                        </span>
+                      </div>
+                    </template>
+                  </div>
+                </div>
+              </template>
+
+              <!-- ========== 提供商优先模式 ========== -->
+              <template v-else>
+                <div class="relative">
+                  <!-- 垂直主线 -->
+                  <div
+                    v-if="formatGroup.providers.length > 0"
+                    class="absolute left-5 top-0 bottom-0 w-0.5 bg-border"
+                  />
+
+                  <div class="py-2">
+                    <div
+                      v-for="(providerEntry, providerIndex) in formatGroup.providers"
+                      :key="`${providerEntry.provider.id}-${providerEntry.endpoint?.id || providerIndex}`"
+                      class="relative"
+                    >
+                      <!-- 节点圆点 -->
+                      <div
+                        class="absolute left-[14px] top-4 w-3 h-3 rounded-full border-2 z-10"
+                        :class="getFormatProviderNodeClass(providerEntry, providerIndex)"
+                      />
+
+                      <!-- 提供商卡片 -->
+                      <div
+                        class="ml-10 mr-3 mb-2"
+                        :class="!providerEntry.provider.is_active || !providerEntry.provider.model_is_active ? 'opacity-50' : ''"
+                      >
+                        <div
+                          class="group rounded-lg transition-all"
+                          :class="getFormatProviderCardClass(providerEntry, providerIndex)"
+                        >
+                          <!-- 卡片头部 -->
+                          <div
+                            class="p-2.5 cursor-pointer"
+                            @click="toggleProviderInFormat(formatGroup.api_format, providerEntry.provider.id, providerEntry.endpoint?.id)"
+                          >
+                            <div class="flex items-center gap-2">
+                              <!-- 第一列：优先级标签 -->
+                              <div
+                                v-if="providerEntry.provider.is_active && providerEntry.provider.model_is_active"
+                                class="px-1.5 py-0.5 rounded-full text-[10px] font-medium shrink-0"
+                                :class="providerIndex === 0
+                                  ? 'bg-primary text-primary-foreground'
+                                  : 'bg-muted-foreground/20 text-muted-foreground'"
+                              >
+                                <span v-if="providerIndex === 0">首选</span>
+                                <span v-else>P{{ providerEntry.provider.provider_priority }}</span>
+                              </div>
+
+                              <!-- 第二列：状态指示灯 -->
+                              <span
+                                class="w-1.5 h-1.5 rounded-full shrink-0"
+                                :class="getProviderStatusClass(providerEntry.provider)"
+                              />
+
+                              <!-- 第三列：名称(第一行) + URL(第二行) -->
+                              <div class="min-w-0 flex-1">
+                                <!-- 第一行：提供商名称 + 模型映射 -->
+                                <div class="flex items-center gap-1">
+                                  <span class="text-sm font-medium truncate">{{ providerEntry.provider.name }}</span>
+                                  <span
+                                    v-if="hasModelMapping(providerEntry.provider)"
+                                    class="text-[10px] text-muted-foreground shrink-0"
+                                  >
+                                    ({{ providerEntry.provider.provider_model_name }})
+                                  </span>
+                                </div>
+                                <!-- 第二行：Endpoint URL -->
+                                <div
+                                  v-if="providerEntry.endpoint"
+                                  class="text-[10px] text-muted-foreground truncate"
+                                >
+                                  {{ providerEntry.endpoint.base_url }}{{ providerEntry.endpoint.custom_path || '' }}
+                                </div>
+                              </div>
+
+                              <!-- 第四列：操作区域 -->
+                              <div class="flex items-center gap-1 shrink-0">
+                                <!-- 计费标签 -->
+                                <span
+                                  v-if="providerEntry.provider.billing_type"
+                                  class="text-[10px] text-muted-foreground mr-1"
+                                >
+                                  {{ getBillingLabel(providerEntry.provider) }}
+                                </span>
+                                <!-- Keys 统计 -->
+                                <span class="text-[10px] text-muted-foreground">
+                                  {{ providerEntry.active_keys }}/{{ providerEntry.keys.length }} Keys
+                                </span>
+                                <!-- 操作按钮 -->
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  title="编辑此关联"
+                                  @click.stop="$emit('editProvider', providerEntry.provider)"
+                                >
+                                  <Edit class="w-3 h-3" />
+                                </Button>
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  :title="providerEntry.provider.model_is_active ? '停用此关联' : '启用此关联'"
+                                  @click.stop="$emit('toggleProviderStatus', providerEntry.provider)"
+                                >
+                                  <Power class="w-3 h-3" />
+                                </Button>
+                                <Button
+                                  variant="ghost"
+                                  size="icon"
+                                  class="h-6 w-6"
+                                  title="删除此关联"
+                                  @click.stop="$emit('deleteProvider', providerEntry.provider)"
+                                >
+                                  <Trash2 class="w-3 h-3" />
+                                </Button>
+                                <!-- 展开图标 -->
+                                <ChevronDown
+                                  class="w-3.5 h-3.5 text-muted-foreground transition-transform"
+                                  :class="isProviderInFormatExpanded(formatGroup.api_format, providerEntry.provider.id, providerEntry.endpoint?.id) ? 'rotate-180' : ''"
+                                />
+                              </div>
+                            </div>
+                          </div>
+
+                          <!-- 展开的 Keys 详情 -->
+                          <Transition name="collapse">
+                            <div
+                              v-if="isProviderInFormatExpanded(formatGroup.api_format, providerEntry.provider.id, providerEntry.endpoint?.id)"
+                              class="border-t border-border/30 p-2.5"
+                            >
+                              <!-- Keys 列表 -->
+                              <div
+                                v-if="providerEntry.keys.length > 0"
+                                class="relative ml-1"
+                              >
+                                <div
+                                  v-for="(group, groupIndex) in getKeyPriorityGroups(providerEntry.keys)"
+                                  :key="groupIndex"
+                                >
+                                  <!-- 第一组且有多个 key 时显示负载均衡标签 -->
+                                  <div
+                                    v-if="groupIndex === 0 && group.keys.length > 1"
+                                    class="flex items-center gap-1 text-[10px] text-muted-foreground/60 mb-0.5"
+                                  >
+                                    <span>负载均衡</span>
+                                  </div>
+
+                                  <!-- 该优先级组内的 Keys -->
+                                  <div class="relative">
+                                    <!-- 垂直主干线 -->
+                                    <div
+                                      v-if="group.keys.length > 1"
+                                      class="absolute left-1 top-2 w-px bg-border"
+                                      :style="{ height: `calc(100% - 1rem)` }"
+                                    />
+
+                                    <div
+                                      v-for="(key, keyIndex) in group.keys"
+                                      :key="key.id"
+                                      class="relative flex items-center"
+                                    >
+                                      <!-- 分支结构 -->
+                                      <div class="flex items-center shrink-0">
+                                        <div
+                                          class="w-2 h-2 rounded-full border-2 z-10"
+                                          :class="groupIndex === 0 && keyIndex === 0
+                                            ? 'bg-primary border-primary'
+                                            : 'bg-background border-muted-foreground/40'"
+                                        />
+                                        <div class="w-2 h-px bg-border" />
+                                      </div>
+
+                                      <!-- Key 信息 -->
+                                      <div
+                                        class="flex-1 min-w-0 flex items-center gap-1.5 px-2 py-0.5 my-0.5 rounded text-xs"
+                                        :class="[
+                                          groupIndex === 0 ? 'bg-primary/5' : 'bg-muted/30',
+                                          !key.is_active ? 'opacity-50' : ''
+                                        ]"
+                                        :title="getKeyTooltip(key)"
+                                      >
+                                        <span
+                                          class="w-1.5 h-1.5 rounded-full shrink-0"
+                                          :class="getKeyStatusClass(key)"
+                                        />
+                                        <span
+                                          class="font-medium truncate"
+                                          :class="key.circuit_breaker_open ? 'text-destructive' : ''"
+                                        >
+                                          {{ key.name }}
+                                        </span>
+                                        <code class="font-mono text-[10px] text-muted-foreground/60 shrink-0">
+                                          {{ key.masked_key }}
+                                        </code>
+                                        <Zap
+                                          v-if="key.circuit_breaker_open"
+                                          class="w-3 h-3 text-destructive shrink-0"
+                                        />
+                                        <span class="flex-1" />
+                                        <!-- 健康度（进度条 + 百分比） -->
+                                        <div class="flex items-center gap-1 shrink-0">
+                                          <div class="w-8 h-1 bg-muted/80 rounded-full overflow-hidden">
+                                            <div
+                                              class="h-full transition-all duration-300"
+                                              :class="getHealthScoreBarColor(key.health_score)"
+                                              :style="{ width: `${key.health_score}%` }"
+                                            />
+                                          </div>
+                                          <span
+                                            class="text-[10px] font-medium tabular-nums"
+                                            :class="getHealthScoreTextColor(key.health_score)"
+                                          >
+                                            {{ Math.round(key.health_score) }}%
+                                          </span>
+                                        </div>
+                                        <span
+                                          v-if="key.effective_rpm"
+                                          class="text-[10px] text-muted-foreground/60 shrink-0"
+                                        >
+                                          {{ key.is_adaptive ? '~' : '' }}{{ key.effective_rpm }}
+                                        </span>
+                                      </div>
+                                    </div>
+                                  </div>
+
+                                  <!-- 优先级组之间的降级标记（如果下一组有多个 key，显示"降级 · 负载均衡"） -->
+                                  <div
+                                    v-if="groupIndex < getKeyPriorityGroups(providerEntry.keys).length - 1"
+                                    class="flex items-center gap-1 my-0.5 text-[10px] text-muted-foreground/50"
+                                  >
+                                    <ArrowDown class="w-3 h-3" />
+                                    <span>
+                                      {{ getKeyPriorityGroups(providerEntry.keys)[groupIndex + 1].keys.length > 1 ? '降级 · 负载均衡' : '降级' }}
+                                    </span>
+                                  </div>
+                                </div>
+
+                                <!-- 熔断详情 -->
+                                <div
+                                  v-for="key in providerEntry.keys.filter(k => k.circuit_breaker_open)"
+                                  :key="`cb-${key.id}`"
+                                  class="text-[10px] text-destructive mt-1 ml-4"
+                                >
+                                  {{ key.name }} 熔断: {{ key.circuit_breaker_formats.join(', ') }}
+                                </div>
+                              </div>
+
+                              <div
+                                v-else
+                                class="text-[10px] text-muted-foreground"
+                              >
+                                暂无可用 Key
+                              </div>
+                            </div>
+                          </Transition>
+                        </div>
+                      </div>
+
+                      <!-- 降级标记 -->
+                      <div
+                        v-if="providerIndex < formatGroup.providers.length - 1"
+                        class="ml-10 -mt-1 mb-1 flex items-center gap-1"
+                      >
+                        <ArrowDown class="w-3 h-3 text-muted-foreground/50" />
+                        <span class="text-[10px] text-muted-foreground/50">降级</span>
+                      </div>
+                    </div>
+                  </div>
+                </div>
+              </template>
+            </div>
+          </Transition>
+        </div>
+      </div>
+    </template>
+
+    <!-- 错误状态 -->
+    <div
+      v-else-if="error"
+      class="p-8 text-center"
+    >
+      <AlertCircle class="w-12 h-12 mx-auto text-destructive/50 mb-3" />
+      <p class="text-sm text-destructive">
+        {{ error }}
+      </p>
+      <Button
+        variant="outline"
+        size="sm"
+        class="mt-4"
+        @click="loadRoutingData"
+      >
+        重试
+      </Button>
+    </div>
+  </Card>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch, onMounted } from 'vue'
+import {
+  RefreshCw,
+  Loader2,
+  ArrowDown,
+  ChevronDown,
+  Route,
+  AlertCircle,
+  Zap,
+  Edit,
+  Power,
+  Trash2,
+  Plus
+} from 'lucide-vue-next'
+import Card from '@/components/ui/card.vue'
+import Badge from '@/components/ui/badge.vue'
+import Button from '@/components/ui/button.vue'
+import {
+  getGlobalModelRoutingPreview,
+  type ModelRoutingPreviewResponse,
+  type RoutingProviderInfo,
+  type RoutingKeyInfo,
+  type RoutingEndpointInfo
+} from '@/api/global-models'
+import { API_FORMAT_ORDER } from '@/api/endpoints/types'
+
+const props = defineProps<{
+  globalModelId: string
+}>()
+
+defineEmits<{
+  editProvider: [provider: RoutingProviderInfo]
+  toggleProviderStatus: [provider: RoutingProviderInfo]
+  deleteProvider: [provider: RoutingProviderInfo]
+  addProvider: []
+  refresh: []
+}>()
+
+const loading = ref(false)
+const error = ref<string | null>(null)
+const routingData = ref<ModelRoutingPreviewResponse | null>(null)
+
+// 是否为全局 Key 优先模式
+const isGlobalKeyMode = computed(() => routingData.value?.priority_mode === 'global_key')
+
+// ========== 数据结构定义 ==========
+
+interface FormatProviderEntry {
+  provider: RoutingProviderInfo
+  endpoint: RoutingEndpointInfo | null
+  keys: RoutingKeyInfo[]
+  active_keys: number
+}
+
+// 全局 Key 模式下的 Key 条目（包含 Provider 信息）
+interface GlobalKeyEntry {
+  key: RoutingKeyInfo
+  provider: RoutingProviderInfo
+  endpoint: RoutingEndpointInfo | null
+}
+
+// 全局 Key 模式下的优先级分组
+interface GlobalKeyGroup {
+  priority: number | null
+  keys: GlobalKeyEntry[]
+}
+
+interface ApiFormatGroup {
+  api_format: string
+  // 提供商优先模式使用
+  providers: FormatProviderEntry[]
+  // 全局 Key 优先模式使用
+  keyGroups: GlobalKeyGroup[]
+  total_providers: number
+  active_providers: number
+  total_keys: number
+  active_keys: number
+}
+
+// 按 API 格式分组的计算属性
+const apiFormatGroups = computed<ApiFormatGroup[]>(() => {
+  if (!routingData.value) return []
+
+  const formatMap = new Map<string, {
+    providers: FormatProviderEntry[]
+    allKeys: GlobalKeyEntry[]
+  }>()
+
+  // 遍历所有提供商和它们的 endpoints
+  for (const provider of routingData.value.providers) {
+    for (const endpoint of provider.endpoints || []) {
+      const format = endpoint.api_format
+      if (!formatMap.has(format)) {
+        formatMap.set(format, { providers: [], allKeys: [] })
+      }
+
+      const data = formatMap.get(format)!
+
+      // 添加 provider entry
+      data.providers.push({
+        provider,
+        endpoint,
+        keys: endpoint.keys || [],
+        active_keys: endpoint.active_keys || 0
+      })
+
+      // 添加 key entries（用于全局 Key 模式）
+      for (const key of endpoint.keys || []) {
+        data.allKeys.push({
+          key,
+          provider,
+          endpoint
+        })
+      }
+    }
+  }
+
+  // 转换为数组并计算统计
+  const groups: ApiFormatGroup[] = []
+  for (const [format, data] of formatMap) {
+    // Provider 排序（提供商优先模式）
+    const sortedProviders = [...data.providers].sort((a, b) => {
+      const aActive = a.provider.is_active && a.provider.model_is_active
+      const bActive = b.provider.is_active && b.provider.model_is_active
+      if (aActive !== bActive) return bActive ? 1 : -1
+      return a.provider.provider_priority - b.provider.provider_priority
+    })
+
+    // Key 按全局优先级分组排序（全局 Key 优先模式）
+    const keyGroupMap = new Map<number, GlobalKeyEntry[]>()
+    for (const keyEntry of data.allKeys) {
+      const priority = keyEntry.key.global_priority ?? 999
+      if (!keyGroupMap.has(priority)) {
+        keyGroupMap.set(priority, [])
+      }
+      keyGroupMap.get(priority)!.push(keyEntry)
+    }
+
+    // 转换为分组数组并排序
+    const keyGroups: GlobalKeyGroup[] = Array.from(keyGroupMap.entries())
+      .sort((a, b) => a[0] - b[0])
+      .map(([priority, keys]) => ({
+        priority: priority === 999 ? null : priority,
+        keys: keys.sort((a, b) => {
+          // 同优先级内按活跃状态和健康度排序
+          const aActive = a.key.is_active && a.provider.is_active && a.provider.model_is_active
+          const bActive = b.key.is_active && b.provider.is_active && b.provider.model_is_active
+          if (aActive !== bActive) return bActive ? 1 : -1
+          return b.key.health_score - a.key.health_score
+        })
+      }))
+
+    const activeProviders = sortedProviders.filter(
+      e => e.provider.is_active && e.provider.model_is_active && e.endpoint?.is_active
+    ).length
+    const totalKeys = sortedProviders.reduce((sum, e) => sum + e.keys.length, 0)
+    const activeKeys = sortedProviders.reduce((sum, e) => sum + e.active_keys, 0)
+
+    groups.push({
+      api_format: format,
+      providers: sortedProviders,
+      keyGroups,
+      total_providers: sortedProviders.length,
+      active_providers: activeProviders,
+      total_keys: totalKeys,
+      active_keys: activeKeys
+    })
+  }
+
+  // 按 API 格式排序
+  groups.sort((a, b) => {
+    const aIndex = API_FORMAT_ORDER.indexOf(a.api_format)
+    const bIndex = API_FORMAT_ORDER.indexOf(b.api_format)
+    if (aIndex === -1 && bIndex === -1) return a.api_format.localeCompare(b.api_format)
+    if (aIndex === -1) return 1
+    if (bIndex === -1) return -1
+    return aIndex - bIndex
+  })
+
+  return groups
+})
+
+// ========== 展开状态管理 ==========
+
+const expandedFormats = ref<Set<string>>(new Set())
+
+function isFormatExpanded(format: string): boolean {
+  return expandedFormats.value.has(format)
+}
+
+function toggleFormat(format: string) {
+  if (expandedFormats.value.has(format)) {
+    expandedFormats.value.delete(format)
+  } else {
+    expandedFormats.value.add(format)
+  }
+}
+
+// 提供商模式：格式内提供商级别的展开状态
+const expandedProvidersInFormat = ref<Set<string>>(new Set())
+
+function isProviderInFormatExpanded(format: string, providerId: string, endpointId?: string): boolean {
+  const key = endpointId ? `${format}:${providerId}:${endpointId}` : `${format}:${providerId}`
+  return expandedProvidersInFormat.value.has(key)
+}
+
+function toggleProviderInFormat(format: string, providerId: string, endpointId?: string) {
+  const key = endpointId ? `${format}:${providerId}:${endpointId}` : `${format}:${providerId}`
+  if (expandedProvidersInFormat.value.has(key)) {
+    expandedProvidersInFormat.value.delete(key)
+  } else {
+    expandedProvidersInFormat.value.add(key)
+  }
+}
+
+// 加载数据
+async function loadRoutingData() {
+  if (!props.globalModelId) return
+
+  loading.value = true
+  error.value = null
+
+  try {
+    routingData.value = await getGlobalModelRoutingPreview(props.globalModelId)
+  } catch (err: any) {
+    error.value = err.response?.data?.detail || '加载失败'
+  } finally {
+    loading.value = false
+  }
+}
+
+// 获取调度模式标签
+function getSchedulingModeLabel(mode: string): string {
+  const labels: Record<string, string> = {
+    cache_affinity: '缓存亲和',
+    fixed_order: '固定顺序',
+    load_balance: '负载均衡'
+  }
+  return labels[mode] || mode
+}
+
+// 获取优先级模式标签
+function getPriorityModeLabel(mode: string): string {
+  const labels: Record<string, string> = {
+    provider: '提供商优先',
+    global_key: '全局 Key 优先'
+  }
+  return labels[mode] || mode
+}
+
+// 判断是否存在模型映射转换
+function hasModelMapping(provider: RoutingProviderInfo): boolean {
+  return provider.provider_model_name !== routingData.value?.global_model_name
+}
+
+// 按优先级分组 Keys（提供商优先模式下使用）
+interface KeyPriorityGroup {
+  priority: number | null
+  keys: RoutingKeyInfo[]
+}
+
+function getKeyPriorityGroups(keys: RoutingKeyInfo[]): KeyPriorityGroup[] {
+  const groups = new Map<number, KeyPriorityGroup>()
+
+  for (const key of keys) {
+    // 提供商优先模式：按 internal_priority 分组
+    const priority = key.internal_priority ?? 999
+
+    if (!groups.has(priority)) {
+      groups.set(priority, {
+        priority: priority === 999 ? null : priority,
+        keys: []
+      })
+    }
+    groups.get(priority)!.keys.push(key)
+  }
+
+  return Array.from(groups.values()).sort((a, b) => {
+    const pa = a.priority ?? 999
+    const pb = b.priority ?? 999
+    return pa - pb
+  })
+}
+
+// 获取提供商状态样式
+function getProviderStatusClass(provider: RoutingProviderInfo): string {
+  if (!provider.is_active) {
+    return 'bg-gray-400'
+  }
+  if (!provider.model_is_active) {
+    return 'bg-yellow-500'
+  }
+  return 'bg-green-500'
+}
+
+// 获取格式分组中提供商节点圆点样式（提供商优先模式）
+function getFormatProviderNodeClass(entry: FormatProviderEntry, index: number): string {
+  if (!entry.provider.is_active || !entry.provider.model_is_active) {
+    return 'bg-muted border-muted-foreground/30'
+  }
+  if (index === 0) {
+    return 'bg-primary border-primary'
+  }
+  return 'bg-background border-border'
+}
+
+// 获取格式分组中提供商卡片样式（提供商优先模式）
+function getFormatProviderCardClass(entry: FormatProviderEntry, index: number): string {
+  if (!entry.provider.is_active || !entry.provider.model_is_active) {
+    return 'bg-muted/30 border border-border/40'
+  }
+  if (index === 0) {
+    return 'bg-primary/5 border border-primary/30 shadow-sm'
+  }
+  return 'bg-muted/20 border border-border/50 hover:border-border'
+}
+
+// 获取全局 Key 节点圆点样式（全局 Key 优先模式）
+function getGlobalKeyNodeClass(entry: GlobalKeyEntry, groupIndex: number, keyIndex: number): string {
+  if (!entry.key.is_active || !entry.provider.is_active || !entry.provider.model_is_active) {
+    return 'bg-muted border-muted-foreground/30'
+  }
+  if (groupIndex === 0 && keyIndex === 0) {
+    return 'bg-primary border-primary'
+  }
+  return 'bg-background border-border'
+}
+
+// 获取全局 Key 卡片样式（全局 Key 优先模式）
+function getGlobalKeyCardClass(entry: GlobalKeyEntry, groupIndex: number, keyIndex: number): string {
+  if (!entry.key.is_active || !entry.provider.is_active || !entry.provider.model_is_active) {
+    return 'bg-muted/30 border border-border/40'
+  }
+  if (groupIndex === 0 && keyIndex === 0) {
+    return 'bg-primary/5 border border-primary/30 shadow-sm'
+  }
+  return 'bg-muted/20 border border-border/50 hover:border-border'
+}
+
+// 健康度进度条颜色
+function getHealthScoreBarColor(score: number): string {
+  if (score >= 80) return 'bg-green-500 dark:bg-green-400'
+  if (score >= 50) return 'bg-yellow-500 dark:bg-yellow-400'
+  return 'bg-red-500 dark:bg-red-400'
+}
+
+// 健康度文字颜色
+function getHealthScoreTextColor(score: number): string {
+  if (score >= 80) return 'text-green-600 dark:text-green-400'
+  if (score >= 50) return 'text-yellow-600 dark:text-yellow-400'
+  return 'text-red-600 dark:text-red-400'
+}
+
+// 获取计费标签
+function getBillingLabel(provider: RoutingProviderInfo): string {
+  if (provider.billing_type === 'monthly_quota') {
+    const used = provider.monthly_used_usd || 0
+    const quota = provider.monthly_quota_usd
+    return quota ? `$${used.toFixed(0)}/$${quota.toFixed(0)}` : '月卡'
+  }
+  if (provider.billing_type === 'pay_as_you_go') {
+    return '按量'
+  }
+  return '免费'
+}
+
+// 获取 Key 状态样式
+function getKeyStatusClass(key: RoutingKeyInfo): string {
+  if (!key.is_active) {
+    return 'bg-gray-400'
+  }
+  if (key.circuit_breaker_open) {
+    return 'bg-red-500'
+  }
+  if (key.health_score < 50) {
+    return 'bg-red-500'
+  }
+  if (key.health_score < 80) {
+    return 'bg-yellow-500'
+  }
+  return 'bg-green-500'
+}
+
+// 获取 Key 提示信息
+function getKeyTooltip(key: RoutingKeyInfo): string {
+  const parts: string[] = []
+  parts.push(`名称: ${key.name}`)
+  parts.push(`健康度: ${Math.round(key.health_score)}%`)
+  if (key.effective_rpm) {
+    parts.push(`RPM: ${key.is_adaptive ? '~' : ''}${key.effective_rpm}`)
+  }
+  if (!key.is_active) {
+    parts.push('状态: 已禁用')
+  } else if (key.circuit_breaker_open) {
+    parts.push(`熔断中: ${key.circuit_breaker_formats.join(', ')}`)
+  }
+  return parts.join('\n')
+}
+
+// 监听 globalModelId 变化
+watch(() => props.globalModelId, () => {
+  expandedFormats.value.clear()
+  expandedProvidersInFormat.value.clear()
+  loadRoutingData()
+}, { immediate: false })
+
+onMounted(() => {
+  loadRoutingData()
+})
+
+// 暴露方法给父组件
+defineExpose({
+  loadRoutingData
+})
+</script>
+
+<style scoped>
+.collapse-enter-active,
+.collapse-leave-active {
+  transition: all 0.2s ease;
+  overflow: hidden;
+}
+
+.collapse-enter-from,
+.collapse-leave-to {
+  opacity: 0;
+  max-height: 0;
+}
+
+.collapse-enter-to,
+.collapse-leave-from {
+  opacity: 1;
+  max-height: 500px;
+}
+</style>
diff --git a/frontend/src/features/providers/components/BatchAssignModelsDialog.vue b/frontend/src/features/providers/components/BatchAssignModelsDialog.vue
index 3fd230d..38f3f34 100644
--- a/frontend/src/features/providers/components/BatchAssignModelsDialog.vue
+++ b/frontend/src/features/providers/components/BatchAssignModelsDialog.vue
@@ -107,8 +107,12 @@
                       />
                     </div>
                     <div class="flex-1 min-w-0">
-                      <p class="text-sm font-medium truncate">{{ model.display_name }}</p>
-                      <p class="text-xs text-muted-foreground truncate font-mono">{{ model.name }}</p>
+                      <p class="text-sm font-medium truncate">
+                        {{ model.display_name }}
+                      </p>
+                      <p class="text-xs text-muted-foreground truncate font-mono">
+                        {{ model.name }}
+                      </p>
                     </div>
                   </div>
                 </div>
@@ -159,8 +163,12 @@
                       />
                     </div>
                     <div class="flex-1 min-w-0">
-                      <p class="text-sm font-medium truncate">{{ model.id }}</p>
-                      <p class="text-xs text-muted-foreground truncate font-mono">{{ model.owned_by || model.id }}</p>
+                      <p class="text-sm font-medium truncate">
+                        {{ model.id }}
+                      </p>
+                      <p class="text-xs text-muted-foreground truncate font-mono">
+                        {{ model.owned_by || model.id }}
+                      </p>
                     </div>
                   </div>
                 </div>
@@ -172,7 +180,9 @@
                 class="flex flex-col items-center justify-center py-12 text-muted-foreground"
               >
                 <Layers class="w-10 h-10 mb-2 opacity-30" />
-                <p class="text-sm">{{ searchQuery ? '无匹配结果' : '暂无可用模型' }}</p>
+                <p class="text-sm">
+                  {{ searchQuery ? '无匹配结果' : '暂无可用模型' }}
+                </p>
                 <p
                   v-if="!upstreamModelsLoaded"
                   class="text-xs mt-1"
diff --git a/frontend/src/features/providers/components/KeyAllowedModelsDialog.vue b/frontend/src/features/providers/components/KeyAllowedModelsDialog.vue
index 1507c22..a8e1b8d 100644
--- a/frontend/src/features/providers/components/KeyAllowedModelsDialog.vue
+++ b/frontend/src/features/providers/components/KeyAllowedModelsDialog.vue
@@ -76,7 +76,10 @@
       </div>
 
       <!-- 模型列表 -->
-      <div v-else class="space-y-2">
+      <div
+        v-else
+        class="space-y-2"
+      >
         <!-- 全选/取消 -->
         <div class="flex items-center justify-between px-1">
           <div class="flex items-center gap-2">
diff --git a/frontend/src/features/providers/components/KeyAllowedModelsEditDialog.vue b/frontend/src/features/providers/components/KeyAllowedModelsEditDialog.vue
index 7db2cea..a25e8ea 100644
--- a/frontend/src/features/providers/components/KeyAllowedModelsEditDialog.vue
+++ b/frontend/src/features/providers/components/KeyAllowedModelsEditDialog.vue
@@ -131,7 +131,10 @@
                       class="w-4 h-4 border rounded flex items-center justify-center shrink-0"
                       :class="selectedModels.includes(model) ? 'bg-primary border-primary' : ''"
                     >
-                      <Check v-if="selectedModels.includes(model)" class="w-3 h-3 text-primary-foreground" />
+                      <Check
+                        v-if="selectedModels.includes(model)"
+                        class="w-3 h-3 text-primary-foreground"
+                      />
                     </div>
                     <span class="text-sm font-mono truncate">{{ model }}</span>
                   </div>
@@ -174,18 +177,28 @@
                       class="w-4 h-4 border rounded flex items-center justify-center shrink-0"
                       :class="selectedModels.includes(model.name) ? 'bg-primary border-primary' : ''"
                     >
-                      <Check v-if="selectedModels.includes(model.name)" class="w-3 h-3 text-primary-foreground" />
+                      <Check
+                        v-if="selectedModels.includes(model.name)"
+                        class="w-3 h-3 text-primary-foreground"
+                      />
                     </div>
                     <div class="flex-1 min-w-0">
-                      <p class="text-sm font-medium truncate">{{ model.display_name }}</p>
-                      <p class="text-xs text-muted-foreground truncate font-mono">{{ model.name }}</p>
+                      <p class="text-sm font-medium truncate">
+                        {{ model.display_name }}
+                      </p>
+                      <p class="text-xs text-muted-foreground truncate font-mono">
+                        {{ model.name }}
+                      </p>
                     </div>
                   </div>
                 </div>
               </div>
 
               <!-- 上游模型组 -->
-              <div v-for="group in filteredUpstreamGroups" :key="group.api_format">
+              <div
+                v-for="group in filteredUpstreamGroups"
+                :key="group.api_format"
+              >
                 <div
                   class="flex items-center justify-between px-3 py-2 bg-muted sticky top-0 z-10 cursor-pointer hover:bg-muted/80 transition-colors"
                   @click="toggleGroupCollapse(group.api_format)"
@@ -222,7 +235,10 @@
                       class="w-4 h-4 border rounded flex items-center justify-center shrink-0"
                       :class="selectedModels.includes(model.id) ? 'bg-primary border-primary' : ''"
                     >
-                      <Check v-if="selectedModels.includes(model.id)" class="w-3 h-3 text-primary-foreground" />
+                      <Check
+                        v-if="selectedModels.includes(model.id)"
+                        class="w-3 h-3 text-primary-foreground"
+                      />
                     </div>
                     <span class="text-sm font-mono truncate">{{ model.id }}</span>
                   </div>
@@ -235,8 +251,15 @@
                 class="flex flex-col items-center justify-center py-12 text-muted-foreground"
               >
                 <Shield class="w-10 h-10 mb-2 opacity-30" />
-                <p class="text-sm">{{ searchQuery ? '无匹配结果' : '暂无可选模型' }}</p>
-                <p v-if="!upstreamModelsLoaded" class="text-xs mt-1">点击闪电按钮从上游获取模型</p>
+                <p class="text-sm">
+                  {{ searchQuery ? '无匹配结果' : '暂无可选模型' }}
+                </p>
+                <p
+                  v-if="!upstreamModelsLoaded"
+                  class="text-xs mt-1"
+                >
+                  点击闪电按钮从上游获取模型
+                </p>
               </div>
             </template>
           </div>
@@ -250,10 +273,18 @@
           {{ hasChanges ? '有未保存的更改' : '' }}
         </p>
         <div class="flex items-center gap-2">
-          <Button :disabled="saving || !hasChanges" @click="handleSave">
+          <Button
+            :disabled="saving || !hasChanges"
+            @click="handleSave"
+          >
             {{ saving ? '保存中...' : '保存' }}
           </Button>
-          <Button variant="outline" @click="handleCancel">取消</Button>
+          <Button
+            variant="outline"
+            @click="handleCancel"
+          >
+            取消
+          </Button>
         </div>
       </div>
     </template>
diff --git a/frontend/src/features/providers/components/ProviderDetailDrawer.vue b/frontend/src/features/providers/components/ProviderDetailDrawer.vue
index 20f66ff..0883669 100644
--- a/frontend/src/features/providers/components/ProviderDetailDrawer.vue
+++ b/frontend/src/features/providers/components/ProviderDetailDrawer.vue
@@ -83,7 +83,10 @@
               </div>
               <!-- 端点 API 格式 -->
               <div class="flex items-center gap-1.5 flex-wrap mt-3">
-                <template v-for="endpoint in endpoints" :key="endpoint.id">
+                <template
+                  v-for="endpoint in endpoints"
+                  :key="endpoint.id"
+                >
                   <span
                     class="text-xs px-2 py-0.5 rounded-md border border-border bg-background hover:bg-accent hover:border-accent-foreground/20 cursor-pointer transition-colors font-medium"
                     :class="{ 'opacity-40': !endpoint.is_active }"
@@ -324,7 +327,10 @@
                         v-for="(format, idx) in getKeyApiFormats(key, endpoint)"
                         :key="format"
                       >
-                        <span v-if="idx > 0" class="text-muted-foreground/40">/</span>
+                        <span
+                          v-if="idx > 0"
+                          class="text-muted-foreground/40"
+                        >/</span>
                         <span>{{ API_FORMAT_SHORT[format] || format }} {{ getKeyRateMultiplier(key, format) }}x</span>
                       </template>
                       <span v-if="key.rate_limit">| {{ key.rate_limit }}rpm</span>
diff --git a/frontend/src/features/providers/components/ProviderFormDialog.vue b/frontend/src/features/providers/components/ProviderFormDialog.vue
index 0cc0854..17ea951 100644
--- a/frontend/src/features/providers/components/ProviderFormDialog.vue
+++ b/frontend/src/features/providers/components/ProviderFormDialog.vue
@@ -68,9 +68,15 @@
                 <SelectValue />
               </SelectTrigger>
               <SelectContent>
-                <SelectItem value="monthly_quota">月卡额度</SelectItem>
-                <SelectItem value="pay_as_you_go">按量付费</SelectItem>
-                <SelectItem value="free_tier">免费套餐</SelectItem>
+                <SelectItem value="monthly_quota">
+                  月卡额度
+                </SelectItem>
+                <SelectItem value="pay_as_you_go">
+                  按量付费
+                </SelectItem>
+                <SelectItem value="free_tier">
+                  免费套餐
+                </SelectItem>
               </SelectContent>
             </Select>
           </div>
diff --git a/frontend/src/utils/errorParser.ts b/frontend/src/utils/errorParser.ts
index 9beb59f..4679259 100644
--- a/frontend/src/utils/errorParser.ts
+++ b/frontend/src/utils/errorParser.ts
@@ -314,11 +314,11 @@ export function parseUpstreamModelError(error: string): string {
           }
           // 没有匹配特定关键词，但有详细信息，使用它作为补充
           if (friendlyMsg) {
-            const truncated = detailMsg.length > 80 ? detailMsg.substring(0, 80) + '...' : detailMsg
+            const truncated = detailMsg.length > 80 ? `${detailMsg.substring(0, 80)  }...` : detailMsg
             return `${friendlyMsg}: ${truncated}`
           }
           // 没有友好消息，直接使用详细信息
-          const truncated = detailMsg.length > 100 ? detailMsg.substring(0, 100) + '...' : detailMsg
+          const truncated = detailMsg.length > 100 ? `${detailMsg.substring(0, 100)  }...` : detailMsg
           return truncated
         }
       } catch {
@@ -358,7 +358,7 @@ export function parseUpstreamModelError(error: string): string {
 
   // 默认返回原始错误（截断过长的部分）
   if (error.length > 100) {
-    return error.substring(0, 100) + '...'
+    return `${error.substring(0, 100)  }...`
   }
   return error
 }
diff --git a/frontend/src/views/admin/ModelManagement.vue b/frontend/src/views/admin/ModelManagement.vue
index 4e74ed3..65c1714 100644
--- a/frontend/src/views/admin/ModelManagement.vue
+++ b/frontend/src/views/admin/ModelManagement.vue
@@ -418,6 +418,7 @@
 
     <!-- 模型详情抽屉 -->
     <ModelDetailDrawer
+      ref="modelDetailDrawerRef"
       :model="selectedModel"
       :open="!!selectedModel"
       :providers="selectedModelProviders"
@@ -437,235 +438,125 @@
     <!-- 批量添加关联提供商对话框 -->
     <Dialog
       :model-value="batchAddProvidersDialogOpen"
-      title="批量添加关联提供商"
-      description="为模型批量添加 Provider 实现, 提供商将自动继承模型的价格和能力, 可在添加后单独修改"
+      :title="selectedModel ? `批量管理提供商 - ${selectedModel.display_name}` : '批量管理提供商'"
+      description="选中的提供商将被关联到模型，取消选中将移除关联"
       :icon="Server"
-      size="4xl"
+      size="2xl"
       @update:model-value="handleBatchAddProvidersDialogUpdate"
     >
       <template #default>
-        <div
-          v-if="selectedModel"
-          class="space-y-4"
-        >
-          <!-- 模型信息头部 -->
-          <div class="rounded-lg border bg-muted/30 p-4">
-            <div class="flex items-start justify-between">
-              <div>
-                <p class="font-semibold text-lg">
-                  {{ selectedModel.display_name }}
-                </p>
-                <p class="text-sm text-muted-foreground font-mono">
-                  {{ selectedModel.name }}
-                </p>
-              </div>
-              <Badge
-                variant="outline"
-                class="text-xs"
-              >
-                当前 {{ selectedModelProviders.length }} 个 Provider
-              </Badge>
+        <div class="space-y-4">
+          <!-- 搜索栏 -->
+          <div class="flex items-center gap-2">
+            <div class="flex-1 relative">
+              <Search class="absolute left-2.5 top-1/2 -translate-y-1/2 w-4 h-4 text-muted-foreground" />
+              <Input
+                v-model="batchProviderSearchQuery"
+                placeholder="搜索提供商..."
+                class="pl-8 h-9"
+              />
             </div>
           </div>
 
-          <!-- 左右对比布局 -->
-          <div class="flex gap-2 items-stretch">
-            <!-- 左侧：可添加的提供商 -->
-            <div class="flex-1 space-y-2">
-              <div class="flex items-center justify-between">
-                <div class="flex items-center gap-2">
-                  <p class="text-sm font-medium">
-                    可添加
-                  </p>
-                  <Button
-                    v-if="availableProvidersForBatchAdd.length > 0"
-                    variant="ghost"
-                    size="sm"
-                    class="h-6 px-2 text-xs"
-                    @click="toggleSelectAllLeft"
-                  >
-                    {{ isAllLeftSelected ? '取消全选' : '全选' }}
-                  </Button>
-                </div>
-                <Badge
-                  variant="secondary"
-                  class="text-xs"
-                >
-                  {{ availableProvidersForBatchAdd.length }} 个
-                </Badge>
+          <!-- 单列提供商列表 -->
+          <div class="border rounded-lg overflow-hidden">
+            <div class="max-h-96 overflow-y-auto">
+              <div
+                v-if="loadingProviderOptions"
+                class="flex items-center justify-center py-12"
+              >
+                <Loader2 class="w-6 h-6 animate-spin text-primary" />
               </div>
-              <div class="border rounded-lg h-80 overflow-y-auto">
-                <div
-                  v-if="loadingProviderOptions"
-                  class="flex items-center justify-center h-full"
-                >
-                  <Loader2 class="w-6 h-6 animate-spin text-primary" />
+
+              <template v-else>
+                <!-- 提供商组 -->
+                <div v-if="filteredBatchProviders.length > 0">
+                  <div
+                    class="flex items-center justify-between px-3 py-2 bg-muted sticky top-0 z-10"
+                  >
+                    <div class="flex items-center gap-2">
+                      <span class="text-xs font-medium">提供商</span>
+                      <span class="text-xs text-muted-foreground">({{ filteredBatchProviders.length }})</span>
+                    </div>
+                    <button
+                      type="button"
+                      class="text-xs text-primary hover:underline shrink-0"
+                      @click="toggleAllBatchProviders"
+                    >
+                      {{ isAllBatchProvidersSelected ? '取消全选' : '全选' }}
+                    </button>
+                  </div>
+                  <div class="space-y-1 p-2">
+                    <div
+                      v-for="provider in filteredBatchProviders"
+                      :key="provider.id"
+                      class="flex items-center gap-2 px-2 py-1.5 rounded hover:bg-muted cursor-pointer"
+                      @click="toggleBatchProviderSelection(provider.id)"
+                    >
+                      <div
+                        class="w-4 h-4 border rounded flex items-center justify-center shrink-0"
+                        :class="isBatchProviderSelected(provider.id) ? 'bg-primary border-primary' : ''"
+                      >
+                        <Check
+                          v-if="isBatchProviderSelected(provider.id)"
+                          class="w-3 h-3 text-primary-foreground"
+                        />
+                      </div>
+                      <div class="flex-1 min-w-0">
+                        <p class="text-sm font-medium truncate">
+                          {{ provider.name }}
+                        </p>
+                      </div>
+                      <Badge
+                        :variant="provider.is_active ? 'outline' : 'secondary'"
+                        :class="provider.is_active ? 'text-green-600 border-green-500/60' : ''"
+                        class="text-xs shrink-0"
+                      >
+                        {{ provider.is_active ? '活跃' : '停用' }}
+                      </Badge>
+                    </div>
+                  </div>
                 </div>
+
+                <!-- 空状态 -->
                 <div
-                  v-else-if="availableProvidersForBatchAdd.length === 0"
-                  class="flex flex-col items-center justify-center h-full text-muted-foreground"
+                  v-if="filteredBatchProviders.length === 0"
+                  class="flex flex-col items-center justify-center py-12 text-muted-foreground"
                 >
                   <Building2 class="w-10 h-10 mb-2 opacity-30" />
                   <p class="text-sm">
-                    所有 Provider 均已关联
+                    {{ batchProviderSearchQuery ? '无匹配结果' : '暂无可用提供商' }}
                   </p>
                 </div>
-                <div
-                  v-else
-                  class="p-2 space-y-1"
-                >
-                  <div
-                    v-for="provider in availableProvidersForBatchAdd"
-                    :key="provider.id"
-                    class="flex items-center gap-2 p-2 rounded-lg border transition-colors"
-                    :class="selectedLeftProviderIds.includes(provider.id)
-                      ? 'border-primary bg-primary/10'
-                      : 'hover:bg-muted/50 cursor-pointer'"
-                    @click="toggleLeftSelection(provider.id)"
-                  >
-                    <Checkbox
-                      :checked="selectedLeftProviderIds.includes(provider.id)"
-                      @update:checked="toggleLeftSelection(provider.id)"
-                      @click.stop
-                    />
-                    <div class="flex-1 min-w-0">
-                      <p class="font-medium text-sm truncate">
-                        {{ provider.name }}
-                      </p>
-                    </div>
-                    <Badge
-                      :variant="provider.is_active ? 'outline' : 'secondary'"
-                      :class="provider.is_active ? 'text-green-600 border-green-500/60' : ''"
-                      class="text-xs shrink-0"
-                    >
-                      {{ provider.is_active ? '活跃' : '停用' }}
-                    </Badge>
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            <!-- 中间：操作按钮 -->
-            <div class="flex flex-col items-center justify-center w-12 shrink-0 gap-2">
-              <Button
-                variant="outline"
-                size="sm"
-                class="w-9 h-8"
-                :class="selectedLeftProviderIds.length > 0 && !submittingBatchAddProviders ? 'border-primary' : ''"
-                :disabled="selectedLeftProviderIds.length === 0 || submittingBatchAddProviders"
-                title="添加选中"
-                @click="batchAddSelectedProviders"
-              >
-                <Loader2
-                  v-if="submittingBatchAddProviders"
-                  class="w-4 h-4 animate-spin"
-                />
-                <ChevronRight
-                  v-else
-                  class="w-6 h-6 stroke-[3]"
-                  :class="selectedLeftProviderIds.length > 0 && !submittingBatchAddProviders ? 'text-primary' : ''"
-                />
-              </Button>
-              <Button
-                variant="outline"
-                size="sm"
-                class="w-9 h-8"
-                :class="selectedRightProviderIds.length > 0 && !submittingBatchRemoveProviders ? 'border-primary' : ''"
-                :disabled="selectedRightProviderIds.length === 0 || submittingBatchRemoveProviders"
-                title="移除选中"
-                @click="batchRemoveSelectedProviders"
-              >
-                <Loader2
-                  v-if="submittingBatchRemoveProviders"
-                  class="w-4 h-4 animate-spin"
-                />
-                <ChevronLeft
-                  v-else
-                  class="w-6 h-6 stroke-[3]"
-                  :class="selectedRightProviderIds.length > 0 && !submittingBatchRemoveProviders ? 'text-primary' : ''"
-                />
-              </Button>
-            </div>
-
-            <!-- 右侧：已添加的提供商 -->
-            <div class="flex-1 space-y-2">
-              <div class="flex items-center justify-between">
-                <div class="flex items-center gap-2">
-                  <p class="text-sm font-medium">
-                    已添加
-                  </p>
-                  <Button
-                    v-if="selectedModelProviders.length > 0"
-                    variant="ghost"
-                    size="sm"
-                    class="h-6 px-2 text-xs"
-                    @click="toggleSelectAllRight"
-                  >
-                    {{ isAllRightSelected ? '取消全选' : '全选' }}
-                  </Button>
-                </div>
-                <Badge
-                  variant="secondary"
-                  class="text-xs"
-                >
-                  {{ selectedModelProviders.length }} 个
-                </Badge>
-              </div>
-              <div class="border rounded-lg h-80 overflow-y-auto">
-                <div
-                  v-if="selectedModelProviders.length === 0"
-                  class="flex flex-col items-center justify-center h-full text-muted-foreground"
-                >
-                  <Building2 class="w-10 h-10 mb-2 opacity-30" />
-                  <p class="text-sm">
-                    暂无关联提供商
-                  </p>
-                </div>
-                <div
-                  v-else
-                  class="p-2 space-y-1"
-                >
-                  <!-- 已存在的（可选中删除） -->
-                  <div
-                    v-for="provider in selectedModelProviders"
-                    :key="'existing-' + provider.id"
-                    class="flex items-center gap-2 p-2 rounded-lg border transition-colors cursor-pointer"
-                    :class="selectedRightProviderIds.includes(provider.id)
-                      ? 'border-primary bg-primary/10'
-                      : 'hover:bg-muted/50'"
-                    @click="toggleRightSelection(provider.id)"
-                  >
-                    <Checkbox
-                      :checked="selectedRightProviderIds.includes(provider.id)"
-                      @update:checked="toggleRightSelection(provider.id)"
-                      @click.stop
-                    />
-                    <div class="flex-1 min-w-0">
-                      <p class="font-medium text-sm truncate">
-                        {{ provider.name }}
-                      </p>
-                    </div>
-                    <Badge
-                      :variant="provider.is_active ? 'outline' : 'secondary'"
-                      :class="provider.is_active ? 'text-green-600 border-green-500/60' : ''"
-                      class="text-xs shrink-0"
-                    >
-                      {{ provider.is_active ? '活跃' : '停用' }}
-                    </Badge>
-                  </div>
-                </div>
-              </div>
+              </template>
             </div>
           </div>
         </div>
       </template>
       <template #footer>
-        <Button
-          variant="outline"
-          @click="closeBatchAddProvidersDialog"
-        >
-          关闭
-        </Button>
+        <div class="flex items-center justify-between w-full">
+          <p class="text-xs text-muted-foreground">
+            {{ hasBatchProviderChanges ? `${batchProviderPendingChangesCount} 项更改待保存` : '' }}
+          </p>
+          <div class="flex items-center gap-2">
+            <Button
+              :disabled="!hasBatchProviderChanges || submittingBatchProviders"
+              @click="saveBatchProviderChanges"
+            >
+              <Loader2
+                v-if="submittingBatchProviders"
+                class="w-4 h-4 mr-1 animate-spin"
+              />
+              {{ submittingBatchProviders ? '保存中...' : '保存' }}
+            </Button>
+            <Button
+              variant="outline"
+              @click="closeBatchAddProvidersDialog"
+            >
+              关闭
+            </Button>
+          </div>
+        </div>
       </template>
     </Dialog>
 
@@ -698,8 +589,7 @@ import {
   Power,
   Copy,
   Server,
-  ChevronRight,
-  ChevronLeft,
+  Check,
 } from 'lucide-vue-next'
 import ModelDetailDrawer from '@/features/models/components/ModelDetailDrawer.vue'
 import GlobalModelFormDialog from '@/features/models/components/GlobalModelFormDialog.vue'
@@ -722,7 +612,6 @@ import {
   TableCell,
   Badge,
   Dialog,
-  Checkbox,
   Pagination,
   RefreshButton,
 } from '@/components/ui'
@@ -743,10 +632,10 @@ const { copyToClipboard } = useClipboard()
 
 // 状态
 const loading = ref(false)
-const submitting = ref(false)
 const detailTab = ref('basic')
 const searchQuery = ref('')
 const selectedModel = ref<GlobalModelResponse | null>(null)
+const modelDetailDrawerRef = ref<InstanceType<typeof ModelDetailDrawer> | null>(null)
 const createModelDialogOpen = ref(false)
 const editingModel = ref<GlobalModelResponse | null>(null)
 
@@ -765,12 +654,15 @@ const loadingModelProviders = ref(false)
 
 // 批量添加关联提供商
 const batchAddProvidersDialogOpen = ref(false)
-const selectedProviderIds = ref<string[]>([])
-const submittingBatchAddProviders = ref(false)
-const submittingBatchRemoveProviders = ref(false)
+const submittingBatchProviders = ref(false)
 const providerOptions = ref<any[]>([])
 const loadingProviderOptions = ref(false)
 
+// 单列勾选模式所需状态
+const batchProviderSearchQuery = ref('')
+const selectedBatchProviderIds = ref<Set<string>>(new Set())
+const initialBatchProviderIds = ref<Set<string>>(new Set())
+
 // 编辑提供商模型
 const editProviderDialogOpen = ref(false)
 const editingProvider = ref<any>(null)
@@ -844,154 +736,152 @@ const capabilityFilters = ref({
   extendedThinking: false,
 })
 
-// 左侧选中的 Provider（用于添加）
-const selectedLeftProviderIds = ref<string[]>([])
-// 右侧选中的 Provider（用于移除，只能选新增的）
-const selectedRightProviderIds = ref<string[]>([])
-
-// 可用于批量添加的 Provider (排除已有实现的和已选中的)
-const availableProvidersForBatchAdd = computed(() => {
-  if (!selectedModel.value) return []
-
-  const existingProviderIds = new Set(
-    selectedModelProviders.value.map(p => p.id)
-  )
-  const selectedIds = new Set(selectedProviderIds.value)
-
-  return providerOptions.value.filter(
-    provider => !existingProviderIds.has(provider.id) && !selectedIds.has(provider.id)
-  )
-})
-
-// 是否全选了左侧
-const isAllLeftSelected = computed(() => {
-  return availableProvidersForBatchAdd.value.length > 0 &&
-    selectedLeftProviderIds.value.length === availableProvidersForBatchAdd.value.length
-})
-
-// 是否全选了右侧
-const isAllRightSelected = computed(() => {
-  return selectedModelProviders.value.length > 0 &&
-    selectedRightProviderIds.value.length === selectedModelProviders.value.length
-})
-
-// 切换左侧选择
-function toggleLeftSelection(providerId: string) {
-  const index = selectedLeftProviderIds.value.indexOf(providerId)
-  if (index === -1) {
-    selectedLeftProviderIds.value.push(providerId)
-  } else {
-    selectedLeftProviderIds.value.splice(index, 1)
-  }
-}
-
-// 切换右侧选择（只能选新增的）
-function toggleRightSelection(providerId: string) {
-  const index = selectedRightProviderIds.value.indexOf(providerId)
-  if (index === -1) {
-    selectedRightProviderIds.value.push(providerId)
-  } else {
-    selectedRightProviderIds.value.splice(index, 1)
-  }
-}
-
-// 全选/取消全选左侧
-function toggleSelectAllLeft() {
-  if (isAllLeftSelected.value) {
-    selectedLeftProviderIds.value = []
-  } else {
-    selectedLeftProviderIds.value = availableProvidersForBatchAdd.value.map(p => p.id)
-  }
-}
-
-// 全选/取消全选右侧
-function toggleSelectAllRight() {
-  if (isAllRightSelected.value) {
-    selectedRightProviderIds.value = []
-  } else {
-    selectedRightProviderIds.value = selectedModelProviders.value.map(p => p.id)
-  }
-}
-
-// 批量添加选中的 Provider（直接调用 API）
-async function batchAddSelectedProviders() {
-  if (!selectedModel.value || selectedLeftProviderIds.value.length === 0) return
-
-  try {
-    submittingBatchAddProviders.value = true
-
-    const result = await batchAssignToProviders(selectedModel.value.id, {
-      provider_ids: selectedLeftProviderIds.value,
-      create_models: true
-    })
-
-    if (result.success.length > 0) {
-      success(`成功添加 ${result.success.length} 个 Provider`)
+// 过滤后的提供商列表
+const filteredBatchProviders = computed(() => {
+  const query = batchProviderSearchQuery.value.toLowerCase().trim()
+  return providerOptions.value.filter(p => {
+    if (query && !p.name.toLowerCase().includes(query)) {
+      return false
     }
+    return true
+  })
+})
 
-    if (result.errors.length > 0) {
-      const errorMessages = result.errors
-        .map(e => {
-          const provider = providerOptions.value.find(p => p.id === e.provider_id)
-          const providerName = provider?.name || e.provider_id
-          return `${providerName}: ${e.error}`
-        })
-        .join('\n')
-      showError(errorMessages, '部分 Provider 添加失败')
-    }
-
-    // 清空左侧选择，刷新右侧列表和外层表格
-    selectedLeftProviderIds.value = []
-    await loadModelProviders(selectedModel.value.id)
-    // 刷新外层模型列表以更新 provider_count
-    await loadGlobalModels()
-  } catch (err: any) {
-    showError(parseApiError(err, '批量添加失败'), '错误')
-  } finally {
-    submittingBatchAddProviders.value = false
-  }
+// 检查提供商是否已选中
+function isBatchProviderSelected(providerId: string): boolean {
+  return selectedBatchProviderIds.value.has(providerId)
 }
 
-// 批量移除选中的 Provider（直接调用 API）
-async function batchRemoveSelectedProviders() {
-  if (!selectedModel.value || selectedRightProviderIds.value.length === 0) return
+// 是否全选
+const isAllBatchProvidersSelected = computed(() => {
+  if (filteredBatchProviders.value.length === 0) return false
+  return filteredBatchProviders.value.every(p => isBatchProviderSelected(p.id))
+})
 
+// 计算待添加的提供商
+const batchProvidersToAdd = computed(() => {
+  const toAdd: string[] = []
+  for (const id of selectedBatchProviderIds.value) {
+    if (!initialBatchProviderIds.value.has(id)) {
+      toAdd.push(id)
+    }
+  }
+  return toAdd
+})
+
+// 计算待移除的提供商
+const batchProvidersToRemove = computed(() => {
+  const toRemove: string[] = []
+  for (const id of initialBatchProviderIds.value) {
+    if (!selectedBatchProviderIds.value.has(id)) {
+      toRemove.push(id)
+    }
+  }
+  return toRemove
+})
+
+// 是否有变更
+const hasBatchProviderChanges = computed(() => {
+  return batchProvidersToAdd.value.length > 0 || batchProvidersToRemove.value.length > 0
+})
+
+// 待变更数量
+const batchProviderPendingChangesCount = computed(() => {
+  return batchProvidersToAdd.value.length + batchProvidersToRemove.value.length
+})
+
+// 切换提供商选择
+function toggleBatchProviderSelection(providerId: string) {
+  if (selectedBatchProviderIds.value.has(providerId)) {
+    selectedBatchProviderIds.value.delete(providerId)
+  } else {
+    selectedBatchProviderIds.value.add(providerId)
+  }
+  selectedBatchProviderIds.value = new Set(selectedBatchProviderIds.value)
+}
+
+// 全选/取消全选
+function toggleAllBatchProviders() {
+  const allIds = filteredBatchProviders.value.map(p => p.id)
+  if (isAllBatchProvidersSelected.value) {
+    for (const id of allIds) {
+      selectedBatchProviderIds.value.delete(id)
+    }
+  } else {
+    for (const id of allIds) {
+      selectedBatchProviderIds.value.add(id)
+    }
+  }
+  selectedBatchProviderIds.value = new Set(selectedBatchProviderIds.value)
+}
+
+// 同步初始选择状态
+function syncBatchProviderSelection() {
+  const existingIds = new Set(selectedModelProviders.value.map((p: any) => p.id))
+  selectedBatchProviderIds.value = new Set(existingIds)
+  initialBatchProviderIds.value = new Set(existingIds)
+}
+
+// 保存变更
+async function saveBatchProviderChanges() {
+  if (!hasBatchProviderChanges.value || submittingBatchProviders.value || !selectedModel.value) return
+
+  submittingBatchProviders.value = true
   try {
-    submittingBatchRemoveProviders.value = true
-    const { deleteModel } = await import('@/api/endpoints')
+    let totalSuccess = 0
+    const allErrors: string[] = []
 
-    let successCount = 0
-    const errors: string[] = []
+    // 并行移除提供商
+    if (batchProvidersToRemove.value.length > 0) {
+      const { deleteModel } = await import('@/api/endpoints')
+      const removePromises = batchProvidersToRemove.value.map(async (providerId) => {
+        const existingProvider = selectedModelProviders.value.find((p: any) => p.id === providerId)
+        if (existingProvider && existingProvider.model_id) {
+          return deleteModel(providerId, existingProvider.model_id)
+        }
+        return null
+      })
 
-    for (const providerId of selectedRightProviderIds.value) {
-      const provider = selectedModelProviders.value.find(p => p.id === providerId)
-      if (!provider?.model_id) continue
-
-      try {
-        await deleteModel(providerId, provider.model_id)
-        successCount++
-      } catch (err: any) {
-        errors.push(`${provider.name}: ${parseApiError(err, '删除失败')}`)
+      const results = await Promise.allSettled(removePromises)
+      for (const result of results) {
+        if (result.status === 'fulfilled' && result.value !== null) {
+          totalSuccess++
+        } else if (result.status === 'rejected') {
+          allErrors.push(parseApiError(result.reason, '移除失败'))
+        }
       }
     }
 
-    if (successCount > 0) {
-      success(`成功移除 ${successCount} 个 Provider`)
+    // 添加提供商
+    if (batchProvidersToAdd.value.length > 0) {
+      const result = await batchAssignToProviders(selectedModel.value.id, {
+        provider_ids: batchProvidersToAdd.value,
+        create_models: true
+      })
+      totalSuccess += result.success.length
+      if (result.errors.length > 0) {
+        allErrors.push(...result.errors.map(e => e.error))
+      }
     }
 
-    if (errors.length > 0) {
-      showError(errors.join('\n'), '部分 Provider 移除失败')
+    if (totalSuccess > 0) {
+      success(`成功处理 ${totalSuccess} 个提供商`)
     }
 
-    // 清空右侧选择，刷新列表和外层表格
-    selectedRightProviderIds.value = []
+    if (allErrors.length > 0) {
+      showError(`部分操作失败: ${allErrors.slice(0, 3).join(', ')}${allErrors.length > 3 ? '...' : ''}`, '警告')
+    }
+
+    // 刷新数据并关闭对话框
     await loadModelProviders(selectedModel.value.id)
-    // 刷新外层模型列表以更新 provider_count
     await loadGlobalModels()
+    // 刷新路由数据
+    modelDetailDrawerRef.value?.refreshRoutingData?.()
+    closeBatchAddProvidersDialog()
   } catch (err: any) {
-    showError(parseApiError(err, '批量移除失败'), '错误')
+    showError(parseApiError(err, '保存失败'), '错误')
   } finally {
-    submittingBatchRemoveProviders.value = false
+    submittingBatchProviders.value = false
   }
 }
 
@@ -1135,15 +1025,18 @@ async function ensureProviderOptions() {
 // 打开添加关联提供商对话框
 function openAddProviderDialog() {
   if (!selectedModel.value) return
-  selectedProviderIds.value = []
+  batchProviderSearchQuery.value = ''
   batchAddProvidersDialogOpen.value = true
-  ensureProviderOptions()
+  ensureProviderOptions().then(() => {
+    // 同步选择状态
+    syncBatchProviderSelection()
+  })
 }
 
 // 处理批量添加 Provider 对话框关闭事件
 function handleBatchAddProvidersDialogUpdate(value: boolean) {
   // 只有在不处于提交状态时才允许关闭
-  if (!value && submittingBatchAddProviders.value) {
+  if (!value && submittingBatchProviders.value) {
     return
   }
   batchAddProvidersDialogOpen.value = value
@@ -1152,10 +1045,10 @@ function handleBatchAddProvidersDialogUpdate(value: boolean) {
 // 关闭批量添加对话框
 function closeBatchAddProvidersDialog() {
   batchAddProvidersDialogOpen.value = false
-  selectedProviderIds.value = []
-  selectedLeftProviderIds.value = []
-  selectedRightProviderIds.value = []
-  submittingBatchAddProviders.value = false
+  batchProviderSearchQuery.value = ''
+  selectedBatchProviderIds.value = new Set()
+  initialBatchProviderIds.value = new Set()
+  submittingBatchProviders.value = false
 }
 
 // 抽屉控制函数
@@ -1199,6 +1092,8 @@ async function toggleProviderStatus(provider: any) {
     await updateModel(provider.id, provider.model_id, { is_active: newStatus })
     provider.is_active = newStatus
     success(newStatus ? '已启用此关联提供商' : '已停用此关联提供商')
+    // 刷新路由数据
+    modelDetailDrawerRef.value?.refreshRoutingData?.()
   } catch (err: any) {
     showError(parseApiError(err, '更新状态失败'))
   }
@@ -1212,7 +1107,7 @@ async function confirmDeleteProviderImplementation(provider: any) {
   }
 
   const confirmed = await confirmDanger(
-    `确定要删除 ${provider.name} 的模型关联吗？\n\n模型: ${provider.target_model}\n\n此操作不可恢复！`,
+    `确定要删除 ${provider.name} 的模型关联吗？\n\n此操作不可恢复！`,
     '删除关联提供商'
   )
   if (!confirmed) return
@@ -1221,10 +1116,12 @@ async function confirmDeleteProviderImplementation(provider: any) {
     const { deleteModel } = await import('@/api/endpoints')
     await deleteModel(provider.id, provider.model_id)
     success(`已删除 ${provider.name} 的模型实现`)
-    // 重新加载 Provider 列表
+    // 同步更新 selectedModelProviders 确保状态一致
     if (selectedModel.value) {
       await loadModelProviders(selectedModel.value.id)
     }
+    // 刷新路由数据
+    modelDetailDrawerRef.value?.refreshRoutingData?.()
   } catch (err: any) {
     showError(parseApiError(err, '删除模型失败'))
   }
diff --git a/src/api/admin/models/__init__.py b/src/api/admin/models/__init__.py
index e144847..0055c74 100644
--- a/src/api/admin/models/__init__.py
+++ b/src/api/admin/models/__init__.py
@@ -7,6 +7,7 @@ from fastapi import APIRouter
 from .catalog import router as catalog_router
 from .external import router as external_router
 from .global_models import router as global_models_router
+from .routing import router as routing_router
 
 router = APIRouter(prefix="/api/admin/models", tags=["Admin - Models"])
 
@@ -14,3 +15,4 @@ router = APIRouter(prefix="/api/admin/models", tags=["Admin - Models"])
 router.include_router(catalog_router)
 router.include_router(global_models_router)
 router.include_router(external_router)
+router.include_router(routing_router)
diff --git a/src/api/admin/models/routing.py b/src/api/admin/models/routing.py
new file mode 100644
index 0000000..920ebb5
--- /dev/null
+++ b/src/api/admin/models/routing.py
@@ -0,0 +1,388 @@
+"""
+GlobalModel 请求链路预览 API
+
+提供模型的请求链路信息，包括：
+- 请求会流向哪些提供商
+- 每个提供商的优先级和负载均衡配置
+- 模型名称映射关系
+- Key 的并发配置和健康状态
+"""
+
+from dataclasses import dataclass
+from typing import Dict, List, Optional
+
+from fastapi import APIRouter, Depends, Request
+from pydantic import BaseModel, ConfigDict, Field
+from sqlalchemy.orm import Session, selectinload
+
+from src.api.base.admin_adapter import AdminApiAdapter
+from src.api.base.pipeline import ApiRequestPipeline
+from src.database import get_db
+from src.models.database import (
+    GlobalModel,
+    Model,
+    ProviderAPIKey,
+    ProviderEndpoint,
+)
+from src.services.cache.aware_scheduler import CacheAwareScheduler
+from src.services.system.config import SystemConfigService
+
+router = APIRouter(prefix="/global", tags=["Admin - Global Models"])
+pipeline = ApiRequestPipeline()
+
+
+# ========== Response Models ==========
+
+
+class RoutingKeyInfo(BaseModel):
+    """Key 路由信息"""
+
+    id: str
+    name: str
+    masked_key: str = Field("", description="脱敏的 API Key")
+    internal_priority: int = Field(..., description="Key 内部优先级")
+    global_priority: Optional[int] = Field(None, description="全局 Key 优先级")
+    rpm_limit: Optional[int] = Field(None, description="RPM 限制，null 表示自适应")
+    is_adaptive: bool = Field(False, description="是否为自适应 RPM 模式")
+    effective_rpm: Optional[int] = Field(None, description="有效 RPM 限制")
+    cache_ttl_minutes: int = Field(0, description="缓存 TTL（分钟）")
+    health_score: float = Field(100.0, description="健康度分数")
+    is_active: bool
+    api_formats: List[str] = Field(default_factory=list, description="支持的 API 格式")
+    # 熔断状态
+    circuit_breaker_open: bool = Field(False, description="熔断器是否打开")
+    circuit_breaker_formats: List[str] = Field(default_factory=list, description="熔断的 API 格式列表")
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class RoutingEndpointInfo(BaseModel):
+    """Endpoint 路由信息"""
+
+    id: str
+    api_format: str
+    base_url: str
+    custom_path: Optional[str] = None
+    is_active: bool
+    keys: List[RoutingKeyInfo] = Field(default_factory=list)
+    total_keys: int = 0
+    active_keys: int = 0
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class RoutingModelMapping(BaseModel):
+    """模型名称映射信息"""
+
+    name: str = Field(..., description="映射名称")
+    priority: int = Field(..., description="优先级（数字越小优先级越高）")
+    api_formats: Optional[List[str]] = Field(None, description="作用域（适用的 API 格式）")
+
+
+class RoutingProviderInfo(BaseModel):
+    """Provider 路由信息"""
+
+    id: str
+    name: str
+    model_id: str = Field(..., description="Model ID（GlobalModel 与 Provider 的关联记录 ID）")
+    provider_priority: int = Field(..., description="提供商优先级（数字越小优先级越高）")
+    billing_type: Optional[str] = Field(None, description="计费类型")
+    monthly_quota_usd: Optional[float] = Field(None, description="月额度（美元）")
+    monthly_used_usd: Optional[float] = Field(None, description="已用额度（美元）")
+    is_active: bool
+    # 模型映射信息
+    provider_model_name: str = Field(..., description="提供商侧的模型名称")
+    model_mappings: List[RoutingModelMapping] = Field(
+        default_factory=list, description="模型名称映射列表"
+    )
+    model_is_active: bool = Field(True, description="Model 是否活跃")
+    # Endpoint 和 Key 信息
+    endpoints: List[RoutingEndpointInfo] = Field(default_factory=list)
+    total_endpoints: int = 0
+    active_endpoints: int = 0
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+class ModelRoutingPreviewResponse(BaseModel):
+    """模型请求链路预览响应"""
+
+    global_model_id: str
+    global_model_name: str
+    display_name: str
+    is_active: bool
+    # 链路信息
+    providers: List[RoutingProviderInfo] = Field(
+        default_factory=list, description="按优先级排序的提供商列表"
+    )
+    total_providers: int = 0
+    active_providers: int = 0
+    # 调度配置
+    scheduling_mode: str = Field("cache_affinity", description="调度模式")
+    priority_mode: str = Field("provider", description="优先级模式")
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+# ========== API Endpoints ==========
+
+
+@router.get("/{global_model_id}/routing", response_model=ModelRoutingPreviewResponse)
+async def get_model_routing_preview(
+    request: Request,
+    global_model_id: str,
+    db: Session = Depends(get_db),
+) -> ModelRoutingPreviewResponse:
+    """
+    获取模型请求链路预览
+
+    查看指定 GlobalModel 的完整请求链路信息，包括：
+    - 关联的所有提供商及其优先级
+    - 每个提供商的模型名称映射配置
+    - Endpoint 和 Key 的详细配置
+    - 负载均衡和调度策略
+
+    **路径参数**:
+    - `global_model_id`: GlobalModel ID
+
+    **返回字段**:
+    - `global_model_id`: GlobalModel ID
+    - `global_model_name`: 模型名称
+    - `display_name`: 显示名称
+    - `is_active`: 是否活跃
+    - `providers`: 按优先级排序的提供商列表，每个包含：
+      - `id`: Provider ID
+      - `name`: Provider 名称
+      - `provider_priority`: 提供商优先级
+      - `provider_model_name`: 提供商侧的模型名称
+      - `model_mappings`: 模型名称映射列表
+      - `endpoints`: Endpoint 列表，每个包含 Key 信息
+    - `scheduling_mode`: 调度模式（cache_affinity, fixed_order, load_balance）
+    - `priority_mode`: 优先级模式（provider, global_key）
+    """
+    adapter = AdminGetModelRoutingPreviewAdapter(global_model_id=global_model_id)
+    return await pipeline.run(adapter=adapter, http_request=request, db=db, mode=adapter.mode)
+
+
+# ========== Adapters ==========
+
+
+@dataclass
+class AdminGetModelRoutingPreviewAdapter(AdminApiAdapter):
+    """获取模型请求链路预览"""
+
+    global_model_id: str
+
+    async def handle(self, context) -> ModelRoutingPreviewResponse:  # type: ignore[override]
+        db = context.db
+
+        # 获取 GlobalModel
+        global_model = (
+            db.query(GlobalModel).filter(GlobalModel.id == self.global_model_id).first()
+        )
+        if not global_model:
+            from fastapi import HTTPException
+
+            raise HTTPException(status_code=404, detail="GlobalModel not found")
+
+        # 获取所有关联的 Model（包含 Provider 信息）
+        models = (
+            db.query(Model)
+            .options(selectinload(Model.provider))
+            .filter(Model.global_model_id == global_model.id)
+            .all()
+        )
+
+        # 获取所有相关的 Provider ID
+        provider_ids = [m.provider_id for m in models if m.provider_id]
+
+        # 批量获取 Provider 的 Endpoints
+        endpoints_by_provider: Dict[str, List[ProviderEndpoint]] = {}
+        if provider_ids:
+            endpoints = (
+                db.query(ProviderEndpoint)
+                .filter(ProviderEndpoint.provider_id.in_(provider_ids))
+                .all()
+            )
+            for ep in endpoints:
+                if ep.provider_id not in endpoints_by_provider:
+                    endpoints_by_provider[ep.provider_id] = []
+                endpoints_by_provider[ep.provider_id].append(ep)
+
+        # 批量获取 Provider 的 Keys
+        keys_by_provider: Dict[str, List[ProviderAPIKey]] = {}
+        if provider_ids:
+            keys = (
+                db.query(ProviderAPIKey)
+                .filter(ProviderAPIKey.provider_id.in_(provider_ids))
+                .all()
+            )
+            for key in keys:
+                if key.provider_id not in keys_by_provider:
+                    keys_by_provider[key.provider_id] = []
+                keys_by_provider[key.provider_id].append(key)
+
+        # 构建 Provider 路由信息
+        provider_infos: List[RoutingProviderInfo] = []
+        for model in models:
+            provider = model.provider
+            if not provider:
+                continue
+
+            # 获取模型映射
+            model_mappings = []
+            if model.provider_model_mappings:
+                for mapping in model.provider_model_mappings:
+                    model_mappings.append(
+                        RoutingModelMapping(
+                            name=mapping.get("name", ""),
+                            priority=mapping.get("priority", 0),
+                            api_formats=mapping.get("api_formats"),
+                        )
+                    )
+
+            # 获取 Endpoints
+            provider_endpoints = endpoints_by_provider.get(provider.id, [])
+            provider_keys = keys_by_provider.get(provider.id, [])
+
+            # 按 api_format 组织 Keys
+            keys_by_endpoint: Dict[str, List[ProviderAPIKey]] = {}
+            for key in provider_keys:
+                # 每个 Key 可能支持多个 api_formats
+                for fmt in key.api_formats or []:
+                    if fmt not in keys_by_endpoint:
+                        keys_by_endpoint[fmt] = []
+                    keys_by_endpoint[fmt].append(key)
+
+            endpoint_infos = []
+            for ep in provider_endpoints:
+                # 获取该 Endpoint 格式对应的 Keys
+                ep_keys = keys_by_endpoint.get(ep.api_format or "", [])
+                # 按优先级排序
+                ep_keys.sort(key=lambda k: (k.global_priority or 999, k.internal_priority or 0))
+
+                key_infos = []
+                for key in ep_keys:
+                    # 计算有效 RPM
+                    effective_rpm = key.rpm_limit
+                    is_adaptive = key.rpm_limit is None
+                    if is_adaptive and key.learned_rpm_limit:
+                        effective_rpm = key.learned_rpm_limit
+
+                    # 从 health_by_format 获取健康度
+                    health_score = 100.0
+                    if key.health_by_format and ep.api_format:
+                        format_health = key.health_by_format.get(ep.api_format, {})
+                        health_score = format_health.get("health_score", 100.0)
+
+                    # 生成脱敏 SK（先解密再脱敏）
+                    masked_key = ""
+                    if key.api_key:
+                        from src.core.crypto import CryptoService
+                        crypto = CryptoService()
+                        try:
+                            decrypted_key = crypto.decrypt(key.api_key, silent=True)
+                        except Exception:
+                            # 解密失败时使用加密后的值（可能是未加密的旧数据）
+                            decrypted_key = key.api_key
+                        if len(decrypted_key) > 8:
+                            masked_key = f"{decrypted_key[:4]}***{decrypted_key[-4:]}"
+                        else:
+                            masked_key = f"{decrypted_key[:2]}***"
+
+                    # 检查熔断状态
+                    circuit_breaker_open = False
+                    circuit_breaker_formats: List[str] = []
+                    if key.circuit_breaker_by_format:
+                        for fmt, cb_state in key.circuit_breaker_by_format.items():
+                            if isinstance(cb_state, dict) and cb_state.get("open"):
+                                circuit_breaker_open = True
+                                circuit_breaker_formats.append(fmt)
+
+                    key_infos.append(
+                        RoutingKeyInfo(
+                            id=key.id or "",
+                            name=key.name or "",
+                            masked_key=masked_key,
+                            internal_priority=key.internal_priority or 0,
+                            global_priority=key.global_priority,
+                            rpm_limit=key.rpm_limit,
+                            is_adaptive=is_adaptive,
+                            effective_rpm=effective_rpm,
+                            cache_ttl_minutes=key.cache_ttl_minutes or 0,
+                            health_score=health_score,
+                            is_active=bool(key.is_active),
+                            api_formats=key.api_formats or [],
+                            circuit_breaker_open=circuit_breaker_open,
+                            circuit_breaker_formats=circuit_breaker_formats,
+                        )
+                    )
+
+                active_keys = sum(1 for k in key_infos if k.is_active)
+                endpoint_infos.append(
+                    RoutingEndpointInfo(
+                        id=ep.id or "",
+                        api_format=ep.api_format or "",
+                        base_url=ep.base_url or "",
+                        custom_path=ep.custom_path,
+                        is_active=bool(ep.is_active),
+                        keys=key_infos,
+                        total_keys=len(key_infos),
+                        active_keys=active_keys,
+                    )
+                )
+
+            # 按 APIFormat 枚举定义的顺序排序 Endpoints
+            from src.core.enums import APIFormat
+
+            format_order = {fmt.value: i for i, fmt in enumerate(APIFormat)}
+            endpoint_infos.sort(key=lambda e: format_order.get(e.api_format, 999))
+
+            active_endpoints = sum(1 for e in endpoint_infos if e.is_active)
+            provider_infos.append(
+                RoutingProviderInfo(
+                    id=provider.id,
+                    name=provider.name,
+                    model_id=model.id,
+                    provider_priority=provider.provider_priority,
+                    billing_type=provider.billing_type,
+                    monthly_quota_usd=provider.monthly_quota_usd,
+                    monthly_used_usd=provider.monthly_used_usd,
+                    is_active=bool(provider.is_active),
+                    provider_model_name=model.provider_model_name,
+                    model_mappings=model_mappings,
+                    model_is_active=bool(model.is_active),
+                    endpoints=endpoint_infos,
+                    total_endpoints=len(endpoint_infos),
+                    active_endpoints=active_endpoints,
+                )
+            )
+
+        # 按 provider_priority 排序
+        provider_infos.sort(key=lambda p: p.provider_priority)
+
+        active_providers = sum(1 for p in provider_infos if p.is_active and p.model_is_active)
+
+        # 从数据库获取当前调度配置
+        scheduling_mode = SystemConfigService.get_config(
+            db,
+            "scheduling_mode",
+            CacheAwareScheduler.SCHEDULING_MODE_CACHE_AFFINITY,
+        ) or CacheAwareScheduler.SCHEDULING_MODE_CACHE_AFFINITY
+        priority_mode = SystemConfigService.get_config(
+            db,
+            "provider_priority_mode",
+            CacheAwareScheduler.PRIORITY_MODE_PROVIDER,
+        ) or CacheAwareScheduler.PRIORITY_MODE_PROVIDER
+
+        return ModelRoutingPreviewResponse(
+            global_model_id=global_model.id,
+            global_model_name=global_model.name,
+            display_name=global_model.display_name,
+            is_active=bool(global_model.is_active),
+            providers=provider_infos,
+            total_providers=len(provider_infos),
+            active_providers=active_providers,
+            scheduling_mode=scheduling_mode,
+            priority_mode=priority_mode,
+        )