refactor: 移除 ModelsTab 单个删除按钮，简化表格样式

Close #119

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

@@ -403,7 +403,6 @@
                 :provider="provider"
                 :endpoints="endpoints"
                 @edit-model="handleEditModel"
-                @delete-model="handleDeleteModel"
                 @batch-assign="handleBatchAssign"
               />
 
@@ -480,20 +479,6 @@
     @saved="handleModelSaved"
   />
 
-  <!-- 删除模型确认对话框 -->
-  <AlertDialog
-    v-if="open"
-    :model-value="deleteModelConfirmOpen"
-    title="移除模型支持"
-    :description="`确定要移除提供商 ${provider?.name} 对模型 ${modelToDelete?.global_model_display_name || modelToDelete?.provider_model_name} 的支持吗？这不会删除全局模型，只是该提供商将不再支持此模型。`"
-    confirm-text="移除"
-    cancel-text="取消"
-    type="danger"
-    @update:model-value="deleteModelConfirmOpen = $event"
-    @confirm="confirmDeleteModel"
-    @cancel="deleteModelConfirmOpen = false"
-  />
-
   <!-- 批量关联模型对话框 -->
   <BatchAssignModelsDialog
     v-if="open && provider"
@@ -551,7 +536,6 @@ import {
   API_FORMAT_SHORT,
   sortApiFormats,
 } from '@/api/endpoints'
-import { deleteModel as deleteModelAPI } from '@/api/endpoints/models'
 
 // 扩展端点类型,包含密钥列表
 interface ProviderEndpointWithKeys extends ProviderEndpoint {
@@ -599,8 +583,6 @@ const revealedKeys = ref<Map<string, string>>(new Map())
 // 模型相关状态
 const modelFormDialogOpen = ref(false)
 const editingModel = ref<Model | null>(null)
-const deleteModelConfirmOpen = ref(false)
-const modelToDelete = ref<Model | null>(null)
 const batchAssignDialogOpen = ref(false)
 const modelsTabRef = ref<InstanceType<typeof ModelsTab> | null>(null)
 const modelMappingTabRef = ref<InstanceType<typeof ModelMappingTab> | null>(null)
@@ -632,7 +614,6 @@ const hasBlockingDialogOpen = computed(() =>
   keyPermissionsDialogOpen.value ||
   deleteKeyConfirmOpen.value ||
   modelFormDialogOpen.value ||
-  deleteModelConfirmOpen.value ||
   batchAssignDialogOpen.value ||
   modelMappingTabRef.value?.dialogOpen
 )
@@ -876,29 +857,6 @@ async function handleModelSaved() {
   emit('refresh')
 }
 
-// 处理删除模型 - 打开确认对话框
-function handleDeleteModel(model: Model) {
-  modelToDelete.value = model
-  deleteModelConfirmOpen.value = true
-}
-
-// 确认删除模型
-async function confirmDeleteModel() {
-  if (!provider.value || !modelToDelete.value) return
-
-  try {
-    await deleteModelAPI(provider.value.id, modelToDelete.value.id)
-    showSuccess('已移除该提供商对此模型的支持')
-    deleteModelConfirmOpen.value = false
-    modelToDelete.value = null
-    // 重新加载 Provider 数据以刷新模型列表
-    await loadProvider()
-    emit('refresh')
-  } catch (err: any) {
-    showError(err.response?.data?.detail || '删除失败', '错误')
-  }
-}
-
 // ===== 点击编辑优先级 =====
 function startEditPriority(key: EndpointAPIKey) {
   editingPriorityKey.value = key.id

frontend/src/features/providers/components/provider-tabs/ModelsTab.vue

@@ -32,19 +32,11 @@
       class="overflow-hidden"
     >
       <table class="w-full text-sm table-fixed">
-        <thead class="bg-muted/50 text-xs uppercase tracking-wide text-muted-foreground">
-          <tr>
-            <th class="text-left px-4 py-3 font-semibold w-[45%]">
-              模型
-            </th>
-            <th class="text-left px-4 py-3 font-semibold w-[30%]">
-              价格 ($/M)
-            </th>
-            <th class="text-center px-4 py-3 font-semibold w-[25%]">
-              操作
-            </th>
-          </tr>
-        </thead>
+        <colgroup>
+          <col class="w-[45%]">
+          <col class="w-[30%]">
+          <col class="w-[25%]">
+        </colgroup>
         <tbody>
           <tr
             v-for="model in sortedModels"
@@ -118,7 +110,7 @@
               </div>
             </td>
             <td class="align-top px-4 py-3">
-              <div class="flex justify-center gap-1">
+              <div class="flex justify-end gap-1">
                 <!-- 测试按钮（支持多格式选择） -->
                 <DropdownMenu
                   v-if="availableApiFormats.length > 1"
@@ -189,15 +181,6 @@
                 >
                   <Power class="w-3.5 h-3.5" />
                 </Button>
-                <Button
-                  variant="ghost"
-                  size="icon"
-                  class="h-8 w-8 hover:text-destructive"
-                  title="删除"
-                  @click="deleteModel(model)"
-                >
-                  <Trash2 class="w-3.5 h-3.5" />
-                </Button>
               </div>
             </td>
           </tr>
@@ -223,7 +206,7 @@
 
 <script setup lang="ts">
 import { ref, computed, onMounted } from 'vue'
-import { Box, Edit, Trash2, Layers, Power, Copy, Loader2, Play } from 'lucide-vue-next'
+import { Box, Edit, Layers, Power, Copy, Loader2, Play } from 'lucide-vue-next'
 import Card from '@/components/ui/card.vue'
 import Button from '@/components/ui/button.vue'
 import {
@@ -258,7 +241,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
   'editModel': [model: Model]
-  'deleteModel': [model: Model]
   'batchAssign': []
 }>()
 
@@ -393,11 +375,6 @@ function editModel(model: Model) {
   emit('editModel', model)
 }
 
-// 删除模型
-function deleteModel(model: Model) {
-  emit('deleteModel', model)
-}
-
 // 打开批量关联对话框
 function openBatchAssignDialog() {
   emit('batchAssign')