[FEAT] 完善全站多語系支援、角色權限篩選優化及 UI 元件重構

- [DOCS] 補齊 en, ja, zh_TW 語系檔翻譯並完善驗證錯誤訊息 (validation.php)
- [FEAT] 角色權限頁面新增「所屬單位」篩選功能 (僅限系統管理員)
- [STYLE] 優化角色列表顯示，將「類型」變更為具體「所屬單位」名稱
- [STYLE] 修正角色頁面工具列佈局，搜尋框置前並修正下拉箭頭顯示
- [REFACTOR] 統一全站刪除確認視窗，導入新版 <x-delete-confirm-modal /> 組件
- [REFACTOR] 優化 PermissionController 查詢效能 (Eager Loading)
- [FIX] 修正 RoleSeeder 角色命名與資料庫同步邏輯

resources/views/admin/membership-tiers/index.blade.php

@@ -4,27 +4,9 @@
 @php
 @endphp
 
-{{-- Toast 通知 --}}
-@if(session('success'))
-<div x-data="{ show: false }" 
-     x-show="show" 
-     x-cloak
-     x-init="setTimeout(() => { show = true; setTimeout(() => show = false, 3000) }, 50)"
-     x-transition:enter="transition cubic-bezier(0.34, 1.56, 0.64, 1) duration-300"
-     x-transition:enter-start="opacity-0 -translate-y-40"
-     x-transition:enter-end="opacity-100 translate-y-0"
-     x-transition:leave="transition ease-in duration-400"
-     x-transition:leave-start="opacity-100 translate-y-0"
-     x-transition:leave-end="opacity-0 -translate-y-40"
-     class="fixed top-4 left-0 right-0 mx-auto w-max z-[100] bg-green-500 text-white px-6 py-3 rounded-lg shadow-lg flex items-center">
-    <svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path>
-    </svg>
-    {{ session('success') }}
-</div>
-@endif
 
-<div class="px-6 py-8">
+
+<div class="px-6 py-8" x-data="{ isDeleteConfirmOpen: false, deleteFormAction: '' }">
     <div class="flex justify-between items-center mb-6">
         <h3 class="text-gray-900 dark:text-gray-200 text-3xl font-medium">會員等級設定</h3>
         <button onclick="document.getElementById('createModal').classList.remove('hidden')" class="btn-luxury-primary">
@@ -57,11 +39,7 @@
                         @endif
                     </td>
                     <td class="px-6 py-4">
-                        <form action="{{ route('admin.membership-tiers.destroy', $tier) }}" method="POST" class="inline" onsubmit="return confirm('確定要刪除嗎？')">
-                            @csrf
-                            @method('DELETE')
-                            <button type="submit" class="text-red-600 hover:text-red-800">刪除</button>
-                        </form>
+                        <button type="button" @click="deleteFormAction = '{{ route('admin.membership-tiers.destroy', $tier) }}'; isDeleteConfirmOpen = true" class="text-red-600 hover:text-red-800">刪除</button>
                     </td>
                 </tr>
                 @empty
@@ -116,5 +94,6 @@
             </form>
         </div>
     </div>
+    <x-delete-confirm-modal :message="__('Are you sure you want to delete this tier?')" />
 </div>
 @endsection