remove codeigniter

app/Models/UserRole.php

@@ -73,12 +73,12 @@ class UserRole extends BaseModel
     }
 
     /* ============================================================
-     * CI-compatible methods (converted)
+     * legacy-compatible methods (converted)
      * ============================================================
      */
 
     /**
-     * CI: getRolesByUserId($userId)
+     * legacy: getRolesByUserId($userId)
      * Returns: [ ['role_name' => 'parent'], ['role_name' => 'teacher'] ]
      */
     public static function getRolesByUserId(int $userId): array
@@ -96,7 +96,7 @@ class UserRole extends BaseModel
     }
 
     /**
-     * CI: updateOrInsertRole($userId, $roleId)
+     * legacy: updateOrInsertRole($userId, $roleId)
      * Idempotent (does nothing if already exists and not soft-deleted).
      * If the row exists but is soft-deleted, restores it.
      */
@@ -131,12 +131,12 @@ class UserRole extends BaseModel
     }
 
     /* ============================================================
-     * Replacement for the CI "create()" method (query only)
+     * Replacement for the legacy "create()" method (query only)
      * ============================================================
      * In Laravel, view rendering belongs in Controllers, not Models.
-     * This returns the user list that your CI method was building.
+     * This returns the user list that your legacy method was building.
      *
-     * CI logic:
+     * legacy logic:
      * users joined to roles through user_roles, excluding parent/teacher,
      * groupBy users.id to avoid duplicates.
      */