fix test run issue

app/Database/Migrations/2026-07-19-000100_CreateInvoiceLines.php

@@ -22,6 +22,11 @@ class CreateInvoiceLines extends Migration
                     'unsigned' => true,
                     'null' => false,
                 ],
+                'school_year' => [
+                    'type' => 'VARCHAR',
+                    'constraint' => 9,
+                    'null' => false,
+                ],
                 'line_type' => [
                     'type' => 'VARCHAR',
                     'constraint' => 50,
@@ -101,6 +106,7 @@ class CreateInvoiceLines extends Migration
             $this->forge->createTable('invoice_lines', true);
         }
 
+        $this->ensureSchoolYearColumn();
         $this->backfillLegacyInvoiceLines();
     }
 
@@ -125,7 +131,7 @@ class CreateInvoiceLines extends Migration
         $existing = array_fill_keys(array_map(static fn ($row) => (int) ($row['invoice_id'] ?? 0), $existingRows), true);
 
         $invoices = $this->db->table('invoices')
-            ->select('id, total_amount, invoice_number, created_at, updated_at')
+            ->select('id, total_amount, invoice_number, school_year, created_at, updated_at')
             ->orderBy('id', 'ASC')
             ->get()
             ->getResultArray();
@@ -143,6 +149,7 @@ class CreateInvoiceLines extends Migration
 
             $this->db->table('invoice_lines')->insert([
                 'invoice_id' => $invoiceId,
+                'school_year' => (string)($invoice['school_year'] ?? ''),
                 'line_type' => 'legacy_invoice_total',
                 'source_type' => 'legacy_invoice',
                 'source_id' => $invoiceId,
@@ -164,4 +171,33 @@ class CreateInvoiceLines extends Migration
             ]);
         }
     }
+
+    private function ensureSchoolYearColumn(): void
+    {
+        if (!$this->db->tableExists('invoice_lines')) {
+            return;
+        }
+
+        if (!$this->db->fieldExists('school_year', 'invoice_lines')) {
+            $this->forge->addColumn('invoice_lines', [
+                'school_year' => [
+                    'type' => 'VARCHAR',
+                    'constraint' => 9,
+                    'null' => true,
+                    'after' => 'invoice_id',
+                ],
+            ]);
+        }
+
+        if ($this->db->tableExists('invoices')) {
+            $this->db->query(
+                "UPDATE invoice_lines il
+                 INNER JOIN invoices i ON i.id = il.invoice_id
+                    SET il.school_year = i.school_year
+                  WHERE il.school_year IS NULL OR TRIM(il.school_year) = ''"
+            );
+        }
+
+        $this->db->query("ALTER TABLE invoice_lines MODIFY school_year VARCHAR(9) NOT NULL");
+    }
 }