Initial Ladill Meet release.

Phases 0–18: core meetings, webinar, breakouts, team chat, live streaming, town hall, billing, and Ladill Mail calendar wiring.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/Concerns/BelongsToOwner.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models\Concerns;
+
+use Illuminate\Database\Eloquent\Builder;
+
+trait BelongsToOwner
+{
+    public function scopeOwned(Builder $query, string $ownerRef): Builder
+    {
+        return $query->where($this->getTable().'.owner_ref', $ownerRef);
+    }
+}