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/ViolationEvidence.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Storage;
+
+class ViolationEvidence extends Model
+{
+    protected $table = 'violation_evidences';
+
+    protected $fillable = [
+        'violation_id', 'file_path', 'original_name', 'file_size', 'mime_type',
+    ];
+
+    public function violation()
+    {
+        return $this->belongsTo(Violation::class);
+    }
+
+    public function getUrlAttribute(): string
+    {
+        return Storage::url($this->file_path);
+    }
+
+    public function getThumbnailUrlAttribute(): string
+    {
+        return Storage::url($this->file_path);
+    }
+}