fix enrollment, invoice, payment and financila aid

app/Services/SchoolYearClosingService.php

@@ -753,8 +753,9 @@ final class SchoolYearClosingService
         ];
 
         if ($this->db->fieldExists('description', 'invoices')) {
-            $label = $amount > 0 ? 'Balance carried over' : 'Credit carried over';
-            $payload['description'] = "{$label} from previous school year {$sourceYear}.";
+            $payload['description'] = $amount >= 0
+                ? "Carry over balance from last year {$sourceYear}"
+                : "Credit carry over from last year {$sourceYear}";
         }
 
         $invoiceModel = new InvoiceModel();
@@ -763,7 +764,17 @@ final class SchoolYearClosingService
             throw new RuntimeException('Unable to create carry-forward invoice: ' . json_encode($invoiceModel->errors()));
         }
 
-        return (int) $invoiceId;
+        $invoiceId = (int) $invoiceId;
+        $description = (string) ($payload['description'] ?? "Carry over balance from last year {$sourceYear}");
+        try {
+            $ledgerService = new \App\Libraries\InvoiceLedgerService();
+            $ledgerService->issueCarryForwardInvoiceLine($invoiceId, $amount, $description);
+            $ledgerService->recalculateInvoice($invoiceId);
+        } catch (\Throwable $e) {
+            log_message('error', 'Carry-forward invoice line issuance failed for invoice ' . $invoiceId . ': ' . $e->getMessage());
+        }
+
+        return $invoiceId;
     }
 
     private function carryForwardInvoiceNumber(int $itemId, int $parentId, string $sourceYear, string $targetYear): string