fix enrollment logic, add financial aid, fix class distribution

app/Database/Migrations/2026-08-08-000200_GrantEnrollmentExceptionPermission.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class GrantEnrollmentExceptionPermission extends Migration
+{
+    private string $permissionName = 'enrollment.exception.manage';
+
+    public function up()
+    {
+        if (! $this->db->tableExists('permissions')) {
+            return;
+        }
+
+        $permission = $this->db->table('permissions')
+            ->where('name', $this->permissionName)
+            ->limit(1)
+            ->get()
+            ->getRowArray();
+
+        if ($permission === null) {
+            $insert = [
+                'name' => $this->permissionName,
+                'created_at' => date('Y-m-d H:i:s'),
+                'updated_at' => date('Y-m-d H:i:s'),
+            ];
+            if ($this->db->fieldExists('description', 'permissions')) {
+                $insert['description'] = 'Manage scoped enrollment eligibility exceptions.';
+            }
+            $this->db->table('permissions')->insert($insert);
+            $permissionId = (int) $this->db->insertID();
+        } else {
+            $permissionId = (int) $permission['id'];
+        }
+
+        // The plan requires a narrow permission but not an automatic broad role grant.
+        // Assign enrollment.exception.manage through the existing role-permission UI.
+    }
+
+    public function down()
+    {
+        if (! $this->db->tableExists('permissions') || ! $this->db->tableExists('role_permissions')) {
+            return;
+        }
+
+        $permission = $this->db->table('permissions')
+            ->where('name', $this->permissionName)
+            ->limit(1)
+            ->get()
+            ->getRowArray();
+        if ($permission === null) {
+            return;
+        }
+
+        $this->db->table('role_permissions')
+            ->where('permission_id', (int) $permission['id'])
+            ->delete();
+        $this->db->table('permissions')
+            ->where('id', (int) $permission['id'])
+            ->delete();
+    }
+}