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/Controllers/BaseController.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controllers;
+
+use App\Libraries\Seo;
+use CodeIgniter\Controller;
+use CodeIgniter\HTTP\RequestInterface;
+use CodeIgniter\HTTP\ResponseInterface;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Shared controller bootstrap: anonymous session boot, SEO service.
+ */
+abstract class BaseController extends Controller
+{
+    protected Seo $seo;
+
+    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
+    {
+        parent::initController($request, $response, $logger);
+
+        helper('text');
+        // Anonymous session (cookie) used only for job ownership + rate buckets.
+        // CI4 auto-starts sessions when the session service is first touched.
+
+        $this->seo = service('seo');
+    }
+
+    /** Track a page-level tool view event. */
+    protected function trackToolView(string $slug): void
+    {
+        service('analytics')->track('tool_view', ['tool' => $slug]);
+    }
+
+    /** Render a page inside the shared layout. */
+    protected function render(string $view, array $data = []): string
+    {
+        $data['viewContent'] = view($view, $data);
+
+        return view('layout', ['seo' => $this->seo] + $data);
+    }
+}