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

database/migrations/2026_07_21_000009_create_notifications_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('notifications', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('user_id')->nullable()->constrained()->cascadeOnDelete();
+            $table->string('type'); // violation_recorded, sp_generated, threshold_reached
+            $table->string('title');
+            $table->text('body')->nullable();
+            $table->json('data')->nullable();
+            $table->string('icon')->nullable();
+            $table->string('color')->nullable();
+            $table->string('action_url')->nullable();
+            $table->boolean('is_read')->default(false);
+            $table->timestamp('read_at')->nullable();
+            $table->foreignId('violation_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignId('sp_letter_id')->nullable()->constrained('sp_letters')->nullOnDelete();
+            $table->timestamps();
+
+            $table->index(['user_id', 'is_read']);
+            $table->index('created_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('notifications');
+    }
+};