[FIX] 整合機台效期管理功能並優化 UI 比例

- 修正 Alpine.js 作用域問題，恢復效期編輯彈窗功能
- 整合機台日誌與效期管理至主列表頁 (Index)
- 優化大螢幕貨道格線佈局，解決日期折行問題
- 縮小彈窗字體與內距，調整為極簡奢華風 UI
- 新增貨道效期與批號欄位之 Migration 與模型關聯
- 補齊中、英、日三語系翻譯檔

app/Http/Controllers/Admin/MachineController.php

@@ -9,11 +9,13 @@ use Illuminate\View\View;
 class MachineController extends AdminController
 {
     /**
-     * 顯示所有機台列表
+     * 顯示所有機台列表或效期管理
      */
     public function index(Request $request): View
     {
-        $per_page = $request->input('per_page', 10);
+        $tab = $request->input('tab', 'list');
+        $per_page = $tab === 'list' ? $request->input('per_page', 10) : $request->input('per_page', 12);
+        
         $query = Machine::query();
 
         // 搜尋：名稱或序號
@@ -24,14 +26,33 @@ class MachineController extends AdminController
             });
         }
 
-        $machines = $query->when($request->status, function ($query, $status) {
-                return $query->where('status', $status);
-            })
-            ->latest()
-            ->paginate($per_page)
-            ->withQueryString();
+        if ($tab === 'list') {
+            $machines = $query->when($request->status, function ($query, $status) {
+                    return $query->where('status', $status);
+                })
+                ->latest()
+                ->paginate($per_page)
+                ->withQueryString();
 
-        return view('admin.machines.index', compact('machines'));
+            return view('admin.machines.index', compact('machines', 'tab'));
+        } else {
+            // 效期管理模式：獲取機台及其貨道統計
+            $machines = $query->withCount(['slots as total_slots'])
+                ->withCount(['slots as expired_count' => function ($q) {
+                    $q->where('expiry_date', '<', now()->toDateString());
+                }])
+                ->withCount(['slots as pending_count' => function ($q) {
+                    $q->whereNull('expiry_date');
+                }])
+                ->withCount(['slots as warning_count' => function ($q) {
+                    $q->whereBetween('expiry_date', [now()->toDateString(), now()->addDays(7)->toDateString()]);
+                }])
+                ->latest()
+                ->paginate($per_page)
+                ->withQueryString();
+
+            return view('admin.machines.index', compact('machines', 'tab'));
+        }
     }
 
     /**
@@ -46,25 +67,38 @@ class MachineController extends AdminController
         return view('admin.machines.show', compact('machine'));
     }
 
+
     /**
-     * 顯示所有機台日誌列表
+     * AJAX: 取得機台抽屜面板所需的歷程日誌
      */
-    public function logs(Request $request): View
+    public function logsAjax(Request $request, Machine $machine)
     {
-        $per_page = $request->input('per_page', 10);
-        $logs = \App\Models\Machine\MachineLog::with('machine')
+        $per_page = $request->input('per_page', 20);
+        
+        $startDate = $request->get('start_date', now()->format('Y-m-d'));
+        $endDate = $request->get('end_date', now()->format('Y-m-d'));
+
+        $logs = $machine->logs()
             ->when($request->level, function ($query, $level) {
                 return $query->where('level', $level);
             })
-            ->when($request->machine_id, function ($query, $machineId) {
-                return $query->where('machine_id', $machineId);
+            ->whereDate('created_at', '>=', $startDate)
+            ->whereDate('created_at', '<=', $endDate)
+            ->when($request->type, function ($query, $type) {
+                return $query->where('type', $type);
             })
             ->latest()
-            ->paginate($per_page)->withQueryString();
+            ->paginate($per_page);
 
-        $machines = Machine::select('id', 'name')->get();
-
-        return view('admin.machines.logs', compact('logs', 'machines'));
+        return response()->json([
+            'success' => true,
+            'data' => $logs->items(),
+            'pagination' => [
+                'total' => $logs->total(),
+                'current_page' => $logs->currentPage(),
+                'last_page' => $logs->lastPage(),
+            ]
+        ]);
     }
 
 
@@ -132,19 +166,77 @@ class MachineController extends AdminController
     }
 
     /**
-     * 機台使用率統計 (開發中)
+     * 機台使用率統計
      */
     public function utilization(Request $request): View
     {
-        return view('admin.machines.index', ['machines' => Machine::paginate(1)]); // Placeholder
+        // 取得當前使用者有權限的所有機台 (已透過 Global Scope 過濾)
+        $machines = Machine::all();
+
+        return view('admin.machines.utilization', [
+            'machines' => $machines
+        ]);
     }
 
     /**
-     * 機台到期管理 (開發中)
+     * AJAX: 取得機台所有貨道資訊 (供效期管理視覺化圖表使用)
      */
-    public function expiry(Request $request): View
+    public function slotsAjax(Machine $machine)
     {
-        return view('admin.machines.index', ['machines' => Machine::paginate(1)]); // Placeholder
+        $slots = $machine->slots()->with('product:id,name,image')->orderByRaw('CAST(slot_no AS UNSIGNED) ASC')->get();
+        
+        return response()->json([
+            'success' => true,
+            'machine' => $machine->only(['id', 'name', 'serial_no']),
+            'slots' => $slots
+        ]);
+    }
+
+    /**
+     * AJAX: 更新貨道效期
+     */
+    public function updateSlotExpiry(Request $request, Machine $machine)
+    {
+        $request->validate([
+            'slot_no' => 'required|integer',
+            'expiry_date' => 'nullable|date',
+            'apply_all_same_product' => 'boolean'
+        ]);
+
+        $slotNo = $request->slot_no;
+        $expiryDate = $request->expiry_date;
+        $applyAll = $request->apply_all_same_product ?? false;
+
+        $slot = $machine->slots()->where('slot_no', $slotNo)->firstOrFail();
+        $slot->update(['expiry_date' => $expiryDate]);
+
+        if ($applyAll && $slot->product_id) {
+            $machine->slots()
+                ->where('product_id', $slot->product_id)
+                ->update(['expiry_date' => $expiryDate]);
+        }
+
+        return response()->json([
+            'success' => true,
+            'message' => __('Expiry updated successfully.')
+        ]);
+    }
+
+    /**
+     * 取得機台統計數據 (AJAX)
+     */
+    public function utilizationData(int $id, Request $request)
+    {
+        $machine = Machine::findOrFail($id);
+        $date = $request->get('date', now()->toDateString());
+
+        $service = app(\App\Services\Machine\MachineService::class);
+        $stats = $service->getUtilizationStats($machine, $date);
+
+        return response()->json([
+            'success' => true,
+            'data' => $stats
+        ]);
     }
 
     /**