fix some handling 4

app/Http/Controllers/Admin/SettingsController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers\Admin;
 
 use App\Http\Controllers\Controller;
 use App\Models\Setting;
+use App\Services\PriceChannelBroadcastService;
 use Illuminate\Http\Request;
 
 class SettingsController extends Controller
@@ -59,6 +60,8 @@ class SettingsController extends Controller
             return response()->json(['message' => 'Forbidden'], 403);
         }
 
+        $previousValue = $setting->exists ? (string) ($setting->value ?? '') : null;
+
         $setting->value = $request->value;
         $setting->description = $request->description;
         if ($request->has('is_active')) {
@@ -72,6 +75,15 @@ class SettingsController extends Controller
         }
         $setting->save();
 
+        if (
+            $request->key === 'price_channel_message_text'
+            && $previousValue !== (string) ($request->value ?? '')
+        ) {
+            dispatch(function () {
+                app(PriceChannelBroadcastService::class)->broadcastAfterTemplateChange();
+            })->afterResponse();
+        }
+
         if ($isNew && $isSystemDeploy) {
             $projectName = Setting::where('key', 'name_fa')->value('value') ?: 'پروژه';
             $settingTitle = trim($request->title_fa ?? '') ?: $request->key;