chore: rename src/ to source/ per MokoStandards convention

Update all references in Makefile, manifest.xml, .gitignore, and CI
workflows (ci-joomla, pr-check, repo-health) to use source/ as the
primary directory with src/ as a fallback for compatibility.

Authored-by: Moko Consulting
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

source/packages/com_mokobackup/src/Model/ProfileModel.php

@@ -0,0 +1,46 @@
+<?php
+
+/**
+ * @package     MokoJoomBackup
+ * @subpackage  com_mokobackup
+ * @author      Moko Consulting <hello@mokoconsulting.tech>
+ * @copyright   Copyright (C) 2026 Moko Consulting. All rights reserved.
+ * @license     GNU General Public License version 3 or later; see LICENSE
+ */
+
+namespace Joomla\Component\MokoBackup\Administrator\Model;
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\MVC\Model\AdminModel;
+
+class ProfileModel extends AdminModel
+{
+	public function getForm($data = [], $loadData = true)
+	{
+		$form = $this->loadForm(
+			'com_mokobackup.profile',
+			'profile',
+			['control' => 'jform', 'load_data' => $loadData]
+		);
+
+		return $form ?: false;
+	}
+
+	protected function loadFormData(): object
+	{
+		$data = Factory::getApplication()->getUserState('com_mokobackup.edit.profile.data', []);
+
+		if (empty($data)) {
+			$data = $this->getItem();
+		}
+
+		return $data;
+	}
+
+	public function getTable($name = 'Profile', $prefix = 'Administrator', $options = [])
+	{
+		return parent::getTable($name, $prefix, $options);
+	}
+}