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/Domain/Blog/HtmlTeaser.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Domain\Blog;
+
+use Mews\Purifier\Facades\Purifier;
+
+class HtmlTeaser
+{
+    /**
+     * Build a teaser from already-rendered HTML.
+     *
+     * The result is always a plain-text excerpt and always withholds part of the
+     * body: when the configured limit covers the whole article we still cut it
+     * in half, so a gated article can never be served in full through a teaser.
+     */
+    public function truncate(string $html, int $maxChars): string
+    {
+        if ($maxChars <= 0 || trim($html) === '') {
+            return '';
+        }
+
+        $text = html_entity_decode(strip_tags($html), ENT_QUOTES | ENT_HTML5, 'UTF-8');
+        $text = trim(preg_replace('/\s+/u', ' ', $text) ?? '');
+
+        if ($text === '') {
+            return '';
+        }
+
+        $length = mb_strlen($text);
+        $limit = min($maxChars, max(1, (int) floor($length / 2)));
+
+        $snippet = mb_substr($text, 0, $limit);
+        if ($limit < $length) {
+            $snippet .= '…';
+        }
+
+        return Purifier::clean('<p>'.e($snippet).'</p>', 'article');
+    }
+}