feat(cms): expose public document api and trigger site revalidation

app/Http/Resources/PublicDocumentVersionResource.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class PublicDocumentVersionResource extends JsonResource
+{
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'version_number' => $this->version_number,
+            'version_notes' => $this->version_notes,
+            'is_current' => (bool) $this->is_current,
+            'original_filename' => $this->original_filename,
+            'mime_type' => $this->mime_type,
+            'file_extension' => $this->getFileExtension(),
+            'file_size' => $this->file_size,
+            'file_size_human' => $this->getFileSizeHuman(),
+            'file_hash' => $this->file_hash,
+            'uploaded_by' => $this->uploadedBy?->name,
+            'uploaded_at' => $this->uploaded_at?->toIso8601String(),
+            'download_url' => route('documents.public.download-version', [
+                'uuid' => $this->document->public_uuid,
+                'version' => $this->id,
+            ]),
+        ];
+    }
+}