Initial Ladill Frontdesk release with deploy pipeline.

Visitor management app with SSO, kiosk, badges, reports, and Gitea CI deploy to frontdesk.ladill.com.

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

app/Models/OfflineCheckIn.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class OfflineCheckIn extends Model
+{
+    protected $table = 'frontdesk_offline_checkins';
+
+    protected $fillable = ['device_id', 'client_id', 'payload', 'synced_at', 'visit_id'];
+
+    protected function casts(): array
+    {
+        return [
+            'payload' => 'array',
+            'synced_at' => 'datetime',
+        ];
+    }
+
+    public function device(): BelongsTo
+    {
+        return $this->belongsTo(Device::class, 'device_id');
+    }
+
+    public function visit(): BelongsTo
+    {
+        return $this->belongsTo(Visit::class, 'visit_id');
+    }
+}