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/Models/Tag.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+
+class Tag extends Model
+{
+    protected $fillable = [
+        'name',
+        'use_count',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'use_count' => 'integer',
+        ];
+    }
+
+    public function articles(): BelongsToMany
+    {
+        return $this->belongsToMany(Article::class);
+    }
+}