feat: add AuthController, protect routes, move API to web middleware

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

app/Http/Controllers/AuthController.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+
+class AuthController extends Controller
+{
+    public function showLogin()
+    {
+        return view('auth.login');
+    }
+
+    public function login(Request $request)
+    {
+        $credentials = $request->validate([
+            'email'    => 'required|email',
+            'password' => 'required',
+        ]);
+
+        if (Auth::attempt($credentials, $request->boolean('remember'))) {
+            $request->session()->regenerate();
+            return redirect()->intended('/map');
+        }
+
+        return back()
+            ->withErrors(['email' => 'Email atau password salah.'])
+            ->onlyInput('email');
+    }
+
+    public function logout(Request $request)
+    {
+        Auth::logout();
+        $request->session()->invalidate();
+        $request->session()->regenerateToken();
+        return redirect('/login');
+    }
+}