Initial commit: Aplikasi Ketertiban Siswa

- Fitur: input pelanggaran, sistem poin, surat peringatan otomatis, SP progress
- Realtime notifikasi via Laravel Reverb + Echo
- Dashboard statistik, manajemen user, manajemen master data
- Login 2 kolom premium, user dropdown, pengaturan akun
- Tema biru kalem, logo sekolah dinamis, sidebar brand dinamis
- Sinkronisasi siswa dari Database Kesiswaan via API

app/Models/User.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
+
+class User extends Authenticatable
+{
+    use HasFactory, Notifiable;
+
+    protected $fillable = [
+        'name', 'username', 'email', 'password', 'role', 'is_active',
+    ];
+
+    protected $hidden = ['password', 'remember_token'];
+
+    protected function casts(): array
+    {
+        return [
+            'email_verified_at' => 'datetime',
+            'password' => 'hashed',
+            'is_active' => 'boolean',
+        ];
+    }
+
+    public function isAdmin(): bool { return $this->role === 'admin'; }
+    public function isBK(): bool { return $this->role === 'bk'; }
+    public function isWaliKelas(): bool { return $this->role === 'wali_kelas'; }
+
+    public function recordedViolations()
+    {
+        return $this->hasMany(Violation::class, 'recorded_by');
+    }
+
+    public function appNotifications()
+    {
+        return $this->hasMany(AppNotification::class, 'user_id');
+    }
+}