refactor(frontend): remove manual admin credential cards from permission pages

src/pages/permissions/PermissionAdminPage.vue

@@ -2,8 +2,6 @@
   <div>
     <h2 class="text-xl font-bold text-gray-800 mb-6">權限管理</h2>
 
-    <AdminCredsCard />
-
     <!-- Grant / Revoke -->
     <el-tabs v-model="activeTab" type="border-card" class="shadow-sm">
       <!-- Grant Tab -->
@@ -66,13 +64,11 @@
               type="primary"
               native-type="submit"
               :loading="grantLoading"
-              :disabled="!credsSaved"
             >
               Grant 授權
             </el-button>
             <el-button @click="resetGrant">清除</el-button>
           </el-form-item>
-          <p v-if="!credsSaved" class="text-xs text-yellow-600 ml-2">請先設定管理員認證</p>
         </el-form>
       </el-tab-pane>
 
@@ -130,13 +126,11 @@
               type="danger"
               native-type="submit"
               :loading="revokeLoading"
-              :disabled="!credsSaved"
             >
               Revoke 撤銷
             </el-button>
             <el-button @click="resetRevoke">清除</el-button>
           </el-form-item>
-          <p v-if="!credsSaved" class="text-xs text-yellow-600 ml-2">請先設定管理員認證</p>
         </el-form>
       </el-tab-pane>
     </el-tabs>
@@ -144,15 +138,13 @@
 </template>
 
 <script setup>
-import { ref, reactive, computed } from 'vue'
+import { ref, reactive } from 'vue'
 import { ElMessage } from 'element-plus'
 import { usePermissionStore } from '@/stores/permission'
-import AdminCredsCard from '@/components/AdminCredsCard.vue'
 
 const permissionStore = usePermissionStore()
 
 const activeTab = ref('grant')
-const credsSaved = computed(() => permissionStore.hasAdminCreds())
 
 // Grant
 const grantFormRef = ref()