GG.deals clone: CodeIgniter 4 + MongoDB game price tracker

- Full gg.deals-style UI: deal feed with filters, game pages with price
  history charts, rankings, vouchers, news, prepaids, subscriptions,
  bundles, franchises, wishlist, API docs
- Real data crawlers:
  * gg:crawl (Steam Store API + GOG Catalog + Epic free games)
  * gg:catalog (252K game slugs from gg.deals sitemaps)
  * gg:ggdeals (per-game prices via FlareSolverr session, JSON-LD parsing)
  * gg:seed / gg:crawl-covers (demo seed + Steam CDN cover art)
- 24/7 self-updating scheduler (scripts/scheduler_loop.php, lockfile-protected)
- Tailwind v4 dark/light theme, Alpine.js, Chart.js

preload.php

@@ -0,0 +1,112 @@
+<?php
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+use CodeIgniter\Boot;
+use Config\Paths;
+
+/*
+ *---------------------------------------------------------------
+ * Sample file for Preloading
+ *---------------------------------------------------------------
+ * See https://www.php.net/manual/en/opcache.preloading.php
+ *
+ * How to Use:
+ *   0. Copy this file to your project root folder.
+ *   1. Set the $paths property of the preload class below.
+ *   2. Set opcache.preload in php.ini.
+ *     php.ini:
+ *     opcache.preload=/path/to/preload.php
+ */
+
+// Load the paths config file
+require __DIR__ . '/app/Config/Paths.php';
+
+// Path to the front controller
+define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR . 'public' . DIRECTORY_SEPARATOR);
+
+class preload
+{
+    /**
+     * @var array Paths to preload.
+     */
+    private array $paths = [
+        [
+            'include' => __DIR__ . '/vendor/codeigniter4/framework/system', // Change this path if using manual installation
+            'exclude' => [
+                // Not needed if you don't use them.
+                '/system/Database/OCI8/',
+                '/system/Database/Postgre/',
+                '/system/Database/SQLite3/',
+                '/system/Database/SQLSRV/',
+                // Not needed for web apps.
+                '/system/Database/Seeder.php',
+                '/system/Test/',
+                '/system/CLI/',
+                '/system/Commands/',
+                '/system/Publisher/',
+                '/system/ComposerScripts.php',
+                // Not Class/Function files.
+                '/system/Config/Routes.php',
+                '/system/Language/',
+                '/system/bootstrap.php',
+                '/system/util_bootstrap.php',
+                '/system/rewrite.php',
+                '/Views/',
+                // Errors occur.
+                '/system/ThirdParty/',
+            ],
+        ],
+    ];
+
+    public function __construct()
+    {
+        $this->loadAutoloader();
+    }
+
+    private function loadAutoloader(): void
+    {
+        $paths = new Paths();
+        require rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'Boot.php';
+
+        Boot::preload($paths);
+    }
+
+    /**
+     * Load PHP files.
+     */
+    public function load(): void
+    {
+        foreach ($this->paths as $path) {
+            $directory = new RecursiveDirectoryIterator($path['include']);
+            $fullTree  = new RecursiveIteratorIterator($directory);
+            $phpFiles  = new RegexIterator(
+                $fullTree,
+                '/.+((?<!Test)+\.php$)/i',
+                RecursiveRegexIterator::GET_MATCH,
+            );
+
+            foreach ($phpFiles as $key => $file) {
+                foreach ($path['exclude'] as $exclude) {
+                    if (str_contains($file[0], $exclude)) {
+                        continue 2;
+                    }
+                }
+
+                require_once $file[0];
+                // Uncomment only for debugging (to inspect which files are included).
+                // Never use this in production - preload scripts must not generate output.
+                // echo 'Loaded: ' . $file[0] . "\n";
+            }
+        }
+    }
+}
+
+(new preload())->load();