Toolvana: production-ready media tools platform (CodeIgniter 4)

- 134-tool registry with programmatic SEO (unique titles/H1/descriptions,
  JSON-LD graphs, sitemap index, canonical 301 enforcement via required filter)
- DB-backed job queue (SKIP LOCKED) with drivers: Ffmpeg, Images (GD),
  Pdf (qpdf/gs/poppler), Youtube (thumbnails), Qr (server-side PNG)
- Security: SSRF guard, MIME validation, rate limits, API-key auth,
  bcrypt admin login, security headers
- Admin panel: dashboard, tools/categories/guides CRUD, SEO audit,
  analytics, job inspector with retry, system health, feature flags
- Docker deployment (nginx + web/api FPM pools + scalable workers),
  PHPUnit suite (19 tests / 1139 assertions), PWA manifest + service worker

app/Config/Validation.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace Config;
+
+use CodeIgniter\Config\BaseConfig;
+use CodeIgniter\Validation\StrictRules\CreditCardRules;
+use CodeIgniter\Validation\StrictRules\FileRules;
+use CodeIgniter\Validation\StrictRules\FormatRules;
+use CodeIgniter\Validation\StrictRules\Rules;
+
+class Validation extends BaseConfig
+{
+    // --------------------------------------------------------------------
+    // Setup
+    // --------------------------------------------------------------------
+
+    /**
+     * Stores the classes that contain the
+     * rules that are available.
+     *
+     * @var list<string>
+     */
+    public array $ruleSets = [
+        Rules::class,
+        FormatRules::class,
+        FileRules::class,
+        CreditCardRules::class,
+    ];
+
+    /**
+     * Specifies the views that are used to display the
+     * errors.
+     *
+     * @var array<string, string>
+     */
+    public array $templates = [
+        'list'   => 'CodeIgniter\Validation\Views\list',
+        'single' => 'CodeIgniter\Validation\Views\single',
+    ];
+
+    // --------------------------------------------------------------------
+    // Rules
+    // --------------------------------------------------------------------
+}