fix(frontend): support cookie_bundle candidate in AuthCaptureDialog and refreshAuth

frontend/src/views/PageViewer.vue

@@ -540,6 +540,10 @@ async function refreshAuth() {
     const res = await customPagesApi.refreshAuth(page.value.id)
     if (res.data.success) {
       ElMessage.success(res.data.message || '凭证已刷新')
+      // 宽松验证模式：凭证已写入但 API 调用失败时后端会返回 warning
+      if (res.data.warning) {
+        ElMessage.warning(res.data.warning)
+      }
     } else {
       ElMessage.warning(res.data.message || '刷新失败')
     }

frontend/src/views/Upstreams.vue

@@ -463,11 +463,28 @@ function openAuthCapture() {
   authCaptureVisible.value = true
 }
 
-function handleAuthCaptureSelect(candidate: { type: string; value: string; cookie_name?: string; cookie_value?: string; new_api_user?: string }) {
+function handleAuthCaptureSelect(candidate: {
+  type: string
+  value: string
+  cookie_name?: string
+  cookie_value?: string
+  cookie_count?: number
+  cookie_names?: string[]
+  new_api_user?: string
+}) {
   if (candidate.type === 'bearer_token') {
     form.value.auth_type = 'bearer'
     form.value.auth_config.token = candidate.value
     ElMessage.success('已填入 Bearer Token')
+  } else if (candidate.type === 'cookie_bundle') {
+    // 完整 cookie 组：value 已是完整 "name1=v1; name2=v2" 字符串
+    form.value.auth_type = 'cookie'
+    form.value.auth_config.cookie_string = candidate.value
+    if (candidate.new_api_user) {
+      form.value.auth_config.new_api_user = candidate.new_api_user
+    }
+    const countLabel = candidate.cookie_count ? `（${candidate.cookie_count} 个 cookie）` : ''
+    ElMessage.success(`已填入完整 Cookie 组${countLabel}`)
   } else if (candidate.type === 'cookie') {
     form.value.auth_type = 'cookie'
     form.value.auth_config.cookie_string = candidate.cookie_name && candidate.cookie_value