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/Reaction.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Reaction extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'meet_reactions';
+
+    protected $fillable = [
+        'owner_ref', 'session_id', 'participant_ref', 'sender_name', 'emoji',
+    ];
+
+    public function session(): BelongsTo
+    {
+        return $this->belongsTo(Session::class, 'session_id');
+    }
+}