Initial baseline: LaraBlog core with plugin commerce surface.

Captures the current working tree after theme slots, ArticleAccess, and the payment / paid-content plugins so subsequent work has a reviewable git history.

app/Http/Controllers/AttachmentController.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Http\Controllers;
+
+use App\Domain\Media\AttachmentStorageService;
+use Illuminate\Http\Request;
+
+class AttachmentController extends Controller
+{
+    public function __construct(
+        protected AttachmentStorageService $attachments,
+    ) {}
+
+    public function byId(Request $request)
+    {
+        $id = $request->integer('id');
+
+        return $this->attachments->resolveRedirectResponseById($id, $request->ip());
+    }
+
+    public function byPath(string $path)
+    {
+        return $this->attachments->resolveRedirectResponseByLegacyPath($path, request()->ip());
+    }
+}