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/Http/Controllers/Auth/LoginController.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Http\Controllers\Auth;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\View\View;
+
+class LoginController extends Controller
+{
+    public function showLoginForm(): View
+    {
+        return view('auth.login');
+    }
+
+    public function login(Request $request): RedirectResponse
+    {
+        $credentials = $request->validate([
+            'username' => ['required', 'string'],
+            'password' => ['required', 'string'],
+        ]);
+
+        if (Auth::attempt($credentials, $request->boolean('remember'))) {
+            $request->session()->regenerate();
+
+            return redirect()->intended(route('dashboard'));
+        }
+
+        return back()->withErrors([
+            'username' => 'Username atau password salah.',
+        ])->onlyInput('username');
+    }
+
+    public function logout(Request $request): RedirectResponse
+    {
+        Auth::logout();
+        $request->session()->invalidate();
+        $request->session()->regenerateToken();
+
+        return redirect('/');
+    }
+}