fix: 統一 UI 按鈕樣式並新增 button-outlined-error hover 效果

- 修正 5 處硬編碼顏色樣式改用預定義按鈕類別
- 新增 button-outlined-error 的 hover 狀態（bg-red-50）
- 修正倉庫模組刪除按鈕樣式統一性
- 角色管理權限 Badge 改用標準組件
- 新增 UI 統一性規範 skill
- 修復 1 處 lint 警告（移除未使用參數）

變更檔案：
- resources/css/app.css: 新增 button-outlined-error hover 樣式
- resources/js/Components/Warehouse/WarehouseDialog.tsx
- resources/js/Pages/Admin/Role/Index.tsx
- resources/js/Pages/Warehouse/EditInventory.tsx
- resources/js/Pages/Warehouse/Inventory.tsx
- resources/js/Pages/Warehouse/SafetyStockSettings.tsx
- .agent/skills/ui-consistency/SKILL.md (新增)

resources/js/Components/Warehouse/WarehouseDialog.tsx

@@ -191,9 +191,9 @@ export default function WarehouseDialog({
                   type="button"
                   onClick={() => setShowDeleteDialog(true)}
                   variant="outline"
-                  className="group mr-auto border-2 border-red-600 text-red-600 hover:bg-red-600 hover:text-white"
+                  className="mr-auto button-outlined-error"
                 >
-                  <Trash2 className="mr-2 h-4 w-4 group-hover:text-white" />
+                  <Trash2 className="mr-2 h-4 w-4" />
                   刪除倉庫
                 </Button>
               )}

resources/js/Pages/Admin/Role/Index.tsx

@@ -3,6 +3,7 @@ import { Head, Link, router } from '@inertiajs/react';
 import { cn } from "@/lib/utils";
 import { Shield, Plus, Pencil, Trash2, Users } from 'lucide-react';
 import { Button } from '@/Components/ui/button';
+import { Badge } from '@/Components/ui/badge';
 import {
     Table,
     TableBody,
@@ -112,9 +113,9 @@ export default function RoleIndex({ roles }: Props) {
                                         {role.name}
                                     </TableCell>
                                     <TableCell className="text-center">
-                                        <span className="inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-800">
+                                        <Badge variant="default" className="bg-blue-100 text-blue-800 border-blue-200">
                                             {role.permissions_count} 項權限
-                                        </span>
+                                        </Badge>
                                     </TableCell>
                                     <TableCell className="text-center">
                                         <button

resources/js/Pages/Warehouse/EditInventory.tsx

@@ -102,7 +102,7 @@ export default function EditInventory({ warehouse, inventory, transactions = []
                             <Button
                                 onClick={() => setShowDeleteDialog(true)}
                                 variant="outline"
-                                className="group border-red-200 text-red-600 hover:bg-red-50 hover:text-red-700 hover:border-red-300"
+                                className="button-outlined-error"
                             >
                                 <Trash2 className="mr-2 h-4 w-4" />
                                 刪除品項
@@ -250,7 +250,7 @@ export default function EditInventory({ warehouse, inventory, transactions = []
                             </AlertDialogCancel>
                             <AlertDialogAction
                                 onClick={handleDelete}
-                                className="bg-red-600 text-white hover:bg-red-700"
+                                className="button-filled-error"
                             >
                                 確認刪除
                             </AlertDialogAction>

resources/js/Pages/Warehouse/Inventory.tsx

@@ -186,10 +186,10 @@ export default function WarehouseInventoryPage({
                         <AlertDialogFooter>
                             <AlertDialogCancel className="button-outlined-primary">取消</AlertDialogCancel>
                             <AlertDialogAction
-                                onClick={(e) => {
+                                onClick={() => {
                                     handleDelete();
                                 }}
-                                className="bg-red-600 hover:bg-red-700 text-white"
+                                className="button-filled-error"
                             >
                                 確認刪除
                             </AlertDialogAction>

resources/js/Pages/Warehouse/SafetyStockSettings.tsx

@@ -180,7 +180,7 @@ export default function SafetyStockPage({
                             <AlertDialogCancel className="button-outlined-primary">取消</AlertDialogCancel>
                             <AlertDialogAction
                                 onClick={handleDelete}
-                                className="bg-red-600 hover:bg-red-700 text-white"
+                                className="button-filled-error"
                             >
                                 確認刪除
                             </AlertDialogAction>