fix: update purchase notification logic and filter active raw materials in inventory alerts

app/Services/Manage/PurchaseService.php

@@ -302,7 +302,6 @@ public function update(Purchase $purchase, array $validated): void
     public function delete(Purchase $purchase): void
     {
         $supplierName = $purchase->supplier->name;
-        $total = $purchase->total;
 
         DB::transaction(function () use ($purchase): void {
             $purchase->load('items');
@@ -318,7 +317,7 @@ public function delete(Purchase $purchase): void
 
         $this->pushNotificationService->sendToRoles(
             '🗑️ Belanja Dihapus',
-            "Pembelian dari supplier {$supplierName} senilai {$total_formatted} telah dihapus.",
+            "Pembelian dari supplier {$supplierName} senilai {$purchase->total_formatted} telah dihapus.",
             ['owner', 'developer'],
             '/admin/manage/purchases',
         );

app/Services/Master/RawMaterialService.php

@@ -85,6 +85,7 @@ public function stockWarningGroups(): array
     private function inventoryAlertGroups(callable $filter): array
     {
         return RawMaterialPrice::query()
+            ->whereHas('rawMaterial', fn (Builder $query) => $query->where('is_active', true))
             ->with(['rawMaterial', 'media'])
             ->get()
             ->filter($filter)