Initial commit: complete WebsiteBox project

Docker-based self-hosted WordPress deployment system with:
- Four-container stack (nginx, wordpress/php-fpm, mariadb, certbot)
- Automatic SSL via Let's Encrypt with self-signed fallback
- First-boot WordPress setup via WP-CLI (GeneratePress + child theme, plugins)
- Interactive setup wizard and one-line install script
- Backup, update, healthcheck, and SSL renewal scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

wordpress/wp-content/mu-plugins/websitebox-setup.php

@@ -0,0 +1,90 @@
+<?php
+/**
+ * Plugin Name: WebsiteBox Setup Status
+ * Description: Displays setup status notices and dashboard widget. Disables XML-RPC.
+ * Version: 1.0.0
+ * Author: WebsiteBox
+ */
+
+if (!defined('ABSPATH')) {
+    exit;
+}
+
+// Disable XML-RPC
+add_filter('xmlrpc_enabled', '__return_false');
+
+// Admin notices based on setup status
+add_action('admin_notices', function () {
+    $complete = ABSPATH . '.websitebox-setup-complete';
+    $partial  = ABSPATH . '.websitebox-setup-partial';
+
+    if (file_exists($complete)) {
+        return; // Normal operation
+    }
+
+    if (file_exists($partial)) {
+        echo '<div class="notice notice-warning"><p>';
+        echo '<strong>WebsiteBox:</strong> Initial setup completed with errors. ';
+        echo 'Some plugins or themes may not have installed correctly. ';
+        echo 'To retry, run: <code>docker compose restart wordpress</code>';
+        echo '</p></div>';
+        return;
+    }
+
+    echo '<div class="notice notice-info"><p>';
+    echo '<strong>WebsiteBox:</strong> Initial setup is still in progress. ';
+    echo 'The container may still be installing themes and plugins. Please wait a moment and refresh this page.';
+    echo '</p></div>';
+});
+
+// Dashboard widget
+add_action('wp_dashboard_setup', function () {
+    wp_add_dashboard_widget(
+        'websitebox_status',
+        'WebsiteBox Status',
+        'websitebox_dashboard_widget'
+    );
+});
+
+function websitebox_dashboard_widget() {
+    $complete = file_exists(ABSPATH . '.websitebox-setup-complete');
+    $partial  = file_exists(ABSPATH . '.websitebox-setup-partial');
+
+    echo '<table class="widefat" style="border:0">';
+
+    // Setup status
+    echo '<tr><td><strong>Setup Status</strong></td><td>';
+    if ($complete) {
+        echo '<span style="color:green">&#10003; Complete</span>';
+    } elseif ($partial) {
+        echo '<span style="color:orange">&#9888; Partial — retry with: <code>docker compose restart wordpress</code></span>';
+    } else {
+        echo '<span style="color:blue">&#8987; In progress...</span>';
+    }
+    echo '</td></tr>';
+
+    // Age Gate status
+    if (is_plugin_active('age-gate/age-gate.php')) {
+        $min_age = get_option('age_gate_min_age', '18');
+        $restrict_all = get_option('age_gate_restrict_all', '0');
+        echo '<tr><td><strong>Age Gate</strong></td><td>';
+        echo $restrict_all ? "Enabled (minimum age: {$min_age})" : 'Installed but not restricting all content';
+        echo '</td></tr>';
+    } else {
+        echo '<tr><td><strong>Age Gate</strong></td><td>Not active</td></tr>';
+    }
+
+    // Backup status
+    if (is_plugin_active('updraftplus/updraftplus.php')) {
+        $last_backup = get_option('updraft_last_backup', []);
+        echo '<tr><td><strong>Backups</strong></td><td>';
+        if (!empty($last_backup['backup_time'])) {
+            echo 'Last backup: ' . date('Y-m-d H:i', $last_backup['backup_time']);
+        } else {
+            echo 'No backups yet';
+        }
+        echo '</td></tr>';
+    }
+
+    echo '</table>';
+}