add more controller

app/Services/Parents/ParentInvoiceService.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Services\Parents;
+
+use App\Models\Invoice;
+
+class ParentInvoiceService
+{
+    public function listInvoices(int $parentId, ?string $schoolYear = null): array
+    {
+        $rows = Invoice::query()
+            ->where('parent_id', $parentId)
+            ->when($schoolYear, fn ($q) => $q->where('school_year', $schoolYear))
+            ->orderByDesc('created_at')
+            ->get();
+
+        return $rows->toArray();
+    }
+}