chore: initial Laravel 13 project setup for eCert MBIP

- Laravel 13.9 + PHP 8.5 + MySQL
- Bootstrap 5.3 + jQuery 3.7 + Chart.js (replacing Alpine/Tailwind)
- Packages: intervention/image, dompdf, simple-qrcode, league/csv, laravel/breeze, laravel/boost
- 17 database migrations: users, programs, qr_codes, participants, attendances, certificates, questionnaires, email_logs, audit_logs
- 13 Eloquent models with full relationships
- Admin layout (Bootstrap 5 sidebar) + public layout (mobile-first)
- Rate limiters: checkin (60/min), certificate (30/min)
- Admin seeder: admin@mbip.gov.my
- Storage directories + symlink configured

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/Models/Attendance.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Attendance extends Model
+{
+    protected $fillable = [
+        'program_id', 'participant_id', 'program_participant_id',
+        'attendance_source', 'attendance_session',
+        'checked_in_at', 'checked_in_ip', 'user_agent', 'notes',
+    ];
+
+    protected function casts(): array
+    {
+        return ['checked_in_at' => 'datetime'];
+    }
+
+    public function program()
+    {
+        return $this->belongsTo(Program::class);
+    }
+
+    public function participant()
+    {
+        return $this->belongsTo(Participant::class);
+    }
+
+    public function programParticipant()
+    {
+        return $this->belongsTo(ProgramParticipant::class);
+    }
+}