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/LiveStream.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Facades\Crypt;
+use Illuminate\Support\Str;
+
+class LiveStream extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'meet_live_streams';
+
+    protected $fillable = [
+        'uuid', 'owner_ref', 'session_id', 'platform', 'rtmp_url', 'stream_key',
+        'status', 'layout', 'health', 'started_at', 'ended_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'started_at' => 'datetime',
+            'ended_at' => 'datetime',
+        ];
+    }
+
+    protected static function booted(): void
+    {
+        static::creating(function (LiveStream $stream) {
+            if (empty($stream->uuid)) {
+                $stream->uuid = (string) Str::uuid();
+            }
+        });
+    }
+
+    public function session(): BelongsTo
+    {
+        return $this->belongsTo(Session::class, 'session_id');
+    }
+
+    public function setStreamKeyAttribute(?string $value): void
+    {
+        $this->attributes['stream_key'] = $value ? Crypt::encryptString($value) : null;
+    }
+
+    public function getStreamKeyAttribute(?string $value): ?string
+    {
+        if (! $value) {
+            return null;
+        }
+
+        try {
+            return Crypt::decryptString($value);
+        } catch (\Throwable) {
+            return null;
+        }
+    }
+}