[FEAT] 整合遠端管理指揮中心與 UI 佈局優化

1. 實作「遠端管理指揮中心」，整合重啟、結帳、鎖定、找零、出貨等指令至單一介面。
2. 對接 B010 心跳 API 與 B017 庫存 API，實作異步指令下發與效期/批號同步邏輯。
3. 修正 sidebar-menu.blade.php 中的舊版路由連結，解決 RouteNotFoundException 錯誤。
4. 修正 index.blade.php 中的 AJAX 請求名稱，補上 admin. 前綴以符合路由分群。
5. 優化主內容區頂部間距，將 pt-10 縮減為 pt-5，提昇介面緊湊度。

app/Http/Controllers/Admin/RemoteController.php

@@ -4,22 +4,78 @@ namespace App\Http\Controllers\Admin;
 
 use App\Http\Controllers\Controller;
 use Illuminate\Http\Request;
+use App\Models\Machine\Machine;
+use App\Models\Machine\RemoteCommand;
+use Illuminate\Support\Facades\Auth;
 
 class RemoteController extends Controller
 {
-    // 機台庫存
+    /**
+     * 遠端管理指揮中心
+     */
+    public function index(Request $request)
+    {
+        $machines = Machine::withCount(['slots'])->orderBy('name')->get();
+        $selectedMachine = null;
+
+        if ($request->has('machine_id')) {
+            $selectedMachine = Machine::with(['slots.product', 'commands' => function($query) {
+                $query->latest()->limit(10);
+            }])->find($request->machine_id);
+        }
+
+        return view('admin.remote.index', [
+            'machines' => $machines,
+            'selectedMachine' => $selectedMachine,
+        ]);
+    }
+
+    /**
+     * 儲存遠端指令
+     */
+    public function storeCommand(Request $request)
+    {
+        $validated = $request->validate([
+            'machine_id' => 'required|exists:machines,id',
+            'command_type' => 'required|string|in:reboot,reboot_card,checkout,lock,unlock,change,dispense',
+            'amount' => 'nullable|integer|min:0',
+            'slot_no' => 'nullable|string',
+            'note' => 'nullable|string|max:255',
+        ]);
+
+        $payload = [];
+        if ($validated['command_type'] === 'change') {
+            $payload['amount'] = $validated['amount'];
+        } elseif ($validated['command_type'] === 'dispense') {
+            $payload['slot_no'] = $validated['slot_no'];
+        }
+
+        RemoteCommand::create([
+            'machine_id' => $validated['machine_id'],
+            'command_type' => $validated['command_type'],
+            'payload' => $payload,
+            'status' => 'pending',
+            'note' => $validated['note'] ?? null,
+        ]);
+
+        return redirect()->back()->with('success', __('Command has been queued successfully.'));
+    }
+
+    /**
+     * 機台庫存管理 (現有功能保留)
+     */
     public function stock(Request $request)
     {
-        $machines = \App\Models\Machine\Machine::withCount([
+        $machines = Machine::withCount([
             'slots as slots_count',
             'slots as low_stock_count' => function ($query) {
                 $query->where('stock', '<=', 5); 
             }
         ])->orderBy('name')->get();
+        
         $selectedMachine = null;
-
         if ($request->has('machine_id')) {
-            $selectedMachine = \App\Models\Machine\Machine::find($request->machine_id);
+            $selectedMachine = Machine::with('slots.product')->find($request->machine_id);
         }
 
         return view('admin.remote.stock', [
@@ -27,58 +83,4 @@ class RemoteController extends Controller
             'selectedMachine' => $selectedMachine,
         ]);
     }
-
-    // 機台重啟
-    public function restart()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端重啟機台',
-            'description' => '遠端重啟機台系統',
-        ]);
-    }
-
-    // 卡機重啟
-    public function restartCardReader()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端重啟刷卡機',
-            'description' => '遠端重啟刷卡機設備',
-        ]);
-    }
-
-    // 遠端結帳
-    public function checkout()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端結帳',
-            'description' => '遠端執行結帳流程',
-        ]);
-    }
-
-    // 遠端鎖定頁
-    public function lock()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端鎖定頁',
-            'description' => '遠端鎖定機台頁面',
-        ]);
-    }
-
-    // 遠端找零
-    public function change()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端找零',
-            'description' => '遠端執行找零功能',
-        ]);
-    }
-
-    // 遠端出貨
-    public function dispense()
-    {
-        return view('admin.placeholder', [
-            'title' => '遠端出貨',
-            'description' => '遠端控制商品出貨',
-        ]);
-    }
 }