feat: 統一採購單與操作紀錄 UI、增強各模組操作紀錄功能

- 統一採購單篩選列與表單樣式 (移除舊元件、標準化 Input)
- 增強操作紀錄功能 (加入篩選、快照、詳細異動比對)
- 統一刪除確認視窗與按鈕樣式
- 修復庫存編輯頁面樣式
- 實作採購單品項異動紀錄
- 實作角色分配異動紀錄
- 擴充供應商與倉庫模組紀錄

app/Http/Controllers/Admin/ActivityLogController.php

@@ -9,14 +9,64 @@ use Spatie\Activitylog\Models\Activity;
 
 class ActivityLogController extends Controller
 {
+    private function getSubjectMap()
+    {
+        return [
+            'App\Models\User' => '使用者',
+            'App\Models\Role' => '角色',
+            'App\Models\Product' => '商品',
+            'App\Models\Vendor' => '廠商',
+            'App\Models\Category' => '商品分類',
+            'App\Models\Unit' => '單位',
+            'App\Models\PurchaseOrder' => '採購單',
+            'App\Models\Warehouse' => '倉庫',
+            'App\Models\Inventory' => '庫存',
+        ];
+    }
+
     public function index(Request $request)
     {
         $perPage = $request->input('per_page', 10);
         $sortBy = $request->input('sort_by', 'created_at');
         $sortOrder = $request->input('sort_order', 'desc');
 
+        $search = $request->input('search');
+        $dateStart = $request->input('date_start');
+        $dateEnd = $request->input('date_end');
+        $event = $request->input('event');
+        $subjectType = $request->input('subject_type');
+        $causerId = $request->input('causer_id');
+
         $query = Activity::with('causer');
 
+        if ($search) {
+            $query->where(function ($q) use ($search) {
+                $q->where('description', 'like', "%{$search}%")
+                    ->orWhere('log_name', 'like', "%{$search}%")
+                    ->orWhere('properties', 'like', "%{$search}%");
+            });
+        }
+
+        if ($dateStart) {
+            $query->whereDate('created_at', '>=', $dateStart);
+        }
+
+        if ($dateEnd) {
+            $query->whereDate('created_at', '<=', $dateEnd);
+        }
+
+        if ($event) {
+            $query->where('event', $event);
+        }
+
+        if ($subjectType) {
+            $query->where('subject_type', $subjectType);
+        }
+
+        if ($causerId) {
+            $query->where('causer_id', $causerId);
+        }
+
         if ($sortBy === 'created_at') {
             $query->orderBy($sortBy, $sortOrder);
         } else {
@@ -25,17 +75,7 @@ class ActivityLogController extends Controller
 
         $activities = $query->paginate($perPage)
             ->through(function ($activity) {
-                $subjectMap = [
-                    'App\Models\User' => '使用者',
-                    'App\Models\Role' => '角色',
-                    'App\Models\Product' => '商品',
-                    'App\Models\Vendor' => '廠商',
-                    'App\Models\Category' => '商品分類',
-                    'App\Models\Unit' => '單位',
-                    'App\Models\PurchaseOrder' => '採購單',
-                    'App\Models\Warehouse' => '倉庫',
-                    'App\Models\Inventory' => '庫存',
-                ];
+        $subjectMap = $this->getSubjectMap();
 
                 $eventMap = [
                     'created' => '新增',
@@ -54,13 +94,32 @@ class ActivityLogController extends Controller
                 ];
             });
 
+        // Prepare subject types for frontend filter
+        $subjectTypes = collect($this->getSubjectMap())->map(function ($label, $value) {
+            return ['label' => $label, 'value' => $value];
+        })->values();
+
+        // Get users for causer filter
+        $users = \App\Models\User::select('id', 'name')->orderBy('name')->get()
+            ->map(function ($user) {
+                return ['label' => $user->name, 'value' => (string) $user->id];
+            });
+
         return Inertia::render('Admin/ActivityLog/Index', [
             'activities' => $activities,
             'filters' => [
                 'per_page' => $request->input('per_page', '10'),
                 'sort_by' => $request->input('sort_by'),
                 'sort_order' => $request->input('sort_order'),
+                'search' => $request->input('search'),
+                'date_start' => $request->input('date_start'),
+                'date_end' => $request->input('date_end'),
+                'event' => $request->input('event'),
+                'subject_type' => $request->input('subject_type'),
+                'causer_id' => $request->input('causer_id'),
             ],
+            'subject_types' => $subjectTypes,
+            'users' => $users,
         ]);
     }
 }

app/Http/Controllers/Admin/UserController.php

@@ -86,7 +86,7 @@ class UserController extends Controller
 
             if ($activity) {
                 $roleNames = $user->roles()->pluck('display_name')->join(', ');
-                $properties = $activity->properties;
+                $properties = $activity->properties->toArray();
                 $properties['attributes']['role_id'] = $roleNames;
                 $activity->properties = $properties;
                 $activity->save();

app/Http/Controllers/PurchaseOrderController.php

@@ -34,6 +34,15 @@ class PurchaseOrderController extends Controller
             $query->where('warehouse_id', $request->warehouse_id);
         }
 
+        // Date Range
+        if ($request->date_start) {
+            $query->whereDate('created_at', '>=', $request->date_start);
+        }
+
+        if ($request->date_end) {
+            $query->whereDate('created_at', '<=', $request->date_end);
+        }
+
         // Sorting
         $sortField = $request->sort_field ?? 'id';
         $sortDirection = $request->sort_direction ?? 'desc';
@@ -48,7 +57,7 @@ class PurchaseOrderController extends Controller
 
         return Inertia::render('PurchaseOrder/Index', [
             'orders' => $orders,
-            'filters' => $request->only(['search', 'status', 'warehouse_id', 'sort_field', 'sort_direction', 'per_page']),
+            'filters' => $request->only(['search', 'status', 'warehouse_id', 'date_start', 'date_end', 'sort_field', 'sort_direction', 'per_page']),
             'warehouses' => Warehouse::all(['id', 'name']),
         ]);
     }