feat(auth): BannedIp model + migration

app/Models/BannedIp.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+
+class BannedIp extends Model
+{
+    protected $guarded = [];
+
+    protected $casts = ['banned_until' => 'datetime'];
+
+    /** Non-expired bans only. */
+    public function scopeActive(Builder $query): Builder
+    {
+        return $query->where('banned_until', '>', now());
+    }
+}

database/migrations/2026_06_20_000001_create_banned_ips_table.php

@@ -0,0 +1,25 @@
+<?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('banned_ips', function (Blueprint $table) {
+            $table->id();
+            $table->string('ip', 45)->unique();
+            $table->timestamp('banned_until');
+            $table->string('reason')->nullable();
+            $table->unsignedInteger('attempts')->default(0);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('banned_ips');
+    }
+};

tests/Feature/BruteforceBannedIpTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\BannedIp;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class BruteforceBannedIpTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_active_scope_excludes_expired_bans(): void
+    {
+        BannedIp::create(['ip' => '1.2.3.4', 'banned_until' => now()->addHour(), 'attempts' => 10]);
+        BannedIp::create(['ip' => '5.6.7.8', 'banned_until' => now()->subHour(), 'attempts' => 10]);
+
+        $active = BannedIp::active()->pluck('ip')->all();
+
+        $this->assertSame(['1.2.3.4'], $active);
+    }
+}