fix(passkey): 修复安卓端 Credential Manager 异常并增强兼容

更新说明：\n1. 优化 Passkey 注册参数（residentKey/hints），提升安卓设备兼容性。\n2. 前台与后台统一增强 Passkey 错误提示，针对 NotReadableError/小米浏览器给出明确引导。\n3. 同步更新相关前端页面逻辑与构建产物。

admin-frontend/src/pages/SettingsPage.vue

@@ -12,7 +12,7 @@ import {
   updateAdminPassword,
   updateAdminUsername,
 } from '../api/admin'
-import { createPasskey, isPasskeyAvailable } from '../utils/passkey'
+import { createPasskey, getPasskeyClientErrorMessage, isPasskeyAvailable } from '../utils/passkey'
 
 const username = ref('')
 const currentPassword = ref('')
@@ -203,12 +203,9 @@ async function addPasskey() {
     passkeyRegisterOptionsAt.value = 0
     await prefetchPasskeyRegisterOptions()
     const data = e?.response?.data
-    const clientMessage = e?.message ? String(e.message) : ''
     const message =
       data?.error ||
-      (e?.name === 'NotAllowedError'
-        ? `Passkey注册未完成（浏览器返回：${clientMessage || '未提供详细原因'}）`
-        : clientMessage || 'Passkey添加失败')
+      getPasskeyClientErrorMessage(e, 'Passkey注册')
     ElMessage.error(message)
   } finally {
     passkeyAddLoading.value = false