Add CLAUDE.md documentation and sync WordPress core files - Add comprehensive CLAUDE.md documentation file with project architecture, development setup, database operations, WordPress CLI usage, file sync procedures, and Mercurial commands - Update WordPress core files from wordpress/ to wp/ directory - Sync latest WordPress admin interface, includes, and core functionality - Update plugins: portfolio plugin with latest BWS framework and fancybox integration - Maintain custom configuration and theme files 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>

<?php
/**
 * WordPress database access abstraction class.
 *
 * This file is deprecated, use 'wp-includes/class-wpdb.php' instead.
 *
 * @deprecated 6.1.0
 * @package WordPress
 */

if ( function_exists( '_deprecated_file' ) ) {
	// Note: WPINC may not be defined yet, so 'wp-includes' is used here.
	_deprecated_file( basename( __FILE__ ), '6.1.0', 'wp-includes/class-wpdb.php' );
}

/** wpdb class */
require_once __DIR__ . '/class-wpdb.php';