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/Boot/testing.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * The environment testing is reserved for PHPUnit testing. It has special
+ * conditions built into the framework at various places to assist with that.
+ * You can’t use it for your development.
+ */
+
+/*
+ |--------------------------------------------------------------------------
+ | ERROR DISPLAY
+ |--------------------------------------------------------------------------
+ | In development, we want to show as many errors as possible to help
+ | make sure they don't make it to production. And save us hours of
+ | painful debugging.
+ */
+error_reporting(E_ALL);
+ini_set('display_errors', '1');
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG BACKTRACES
+ |--------------------------------------------------------------------------
+ | If true, this constant will tell the error screens to display debug
+ | backtraces along with the other error information. If you would
+ | prefer to not see this, set this value to false.
+ */
+defined('SHOW_DEBUG_BACKTRACE') || define('SHOW_DEBUG_BACKTRACE', true);
+
+/*
+ |--------------------------------------------------------------------------
+ | DEBUG MODE
+ |--------------------------------------------------------------------------
+ | Debug mode is an experimental flag that can allow changes throughout
+ | the system. It's not widely used currently, and may not survive
+ | release of the framework.
+ */
+defined('CI_DEBUG') || define('CI_DEBUG', true);