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/Views/errors/http.php

@@ -0,0 +1,6 @@
+<div class="center-page error-hero">
+  <code class="big"><?= (int) $code ?></code>
+  <h1><?= esc($title) ?></h1>
+  <p style="color:var(--ink-500)"><?= esc($message) ?></p>
+  <p><a class="btn-primary" href="/tools" style="text-decoration:none;display:inline-block;margin-top:1rem">Browse all tools</a></p>
+</div>