Fix horse race seed pool payouts

tests/Feature/HorseRaceControllerTest.php

@@ -2,12 +2,15 @@
 
 namespace Tests\Feature;
 
+use App\Jobs\CloseHorseRaceJob;
 use App\Models\GameConfig;
 use App\Models\HorseBet;
 use App\Models\HorseRace;
 use App\Models\User;
+use App\Services\ChatStateService;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Facades\Queue;
 use Tests\TestCase;
 
 class HorseRaceControllerTest extends TestCase
@@ -182,4 +185,66 @@ class HorseRaceControllerTest extends TestCase
         $response->assertJsonStructure(['history']);
         $this->assertCount(1, $response->json('history'));
     }
+
+    public function test_single_winner_receives_seed_pool_and_does_not_lose_principal(): void
+    {
+        Event::fake();
+        Queue::fake();
+
+        GameConfig::updateOrCreate(
+            ['game_key' => 'horse_racing'],
+            [
+                'name' => 'Horse Racing',
+                'icon' => 'horse',
+                'description' => 'Horse Racing Game',
+                'enabled' => true,
+                'params' => [
+                    'min_bet' => 100,
+                    'max_bet' => 100000,
+                    'house_take_percent' => 5,
+                    'seed_pool' => 10,
+                ],
+            ]
+        );
+
+        /** @var \App\Models\User $user */
+        $user = User::factory()->create(['jjb' => 500]);
+
+        $race = HorseRace::create([
+            'status' => 'running',
+            'bet_opens_at' => now()->subMinutes(2),
+            'bet_closes_at' => now()->subMinute(),
+            'race_starts_at' => now()->subSeconds(30),
+            'winner_horse_id' => 1,
+            'horses' => [
+                ['id' => 1, 'name' => 'Horse A', 'emoji' => '🐎'],
+                ['id' => 2, 'name' => 'Horse B', 'emoji' => '🏇'],
+            ],
+        ]);
+
+        HorseBet::create([
+            'race_id' => $race->id,
+            'user_id' => $user->id,
+            'horse_id' => 1,
+            'amount' => 100,
+            'status' => 'pending',
+        ]);
+
+        $user->decrement('jjb', 100);
+
+        $chatState = $this->createMock(ChatStateService::class);
+        $chatState->method('nextMessageId')->willReturn(1);
+        $chatState->method('pushMessage');
+
+        app()->instance(ChatStateService::class, $chatState);
+
+        (new CloseHorseRaceJob($race))->handle(app('App\Services\UserCurrencyService'), $chatState);
+
+        $bet = HorseBet::query()->first();
+
+        $this->assertNotNull($bet);
+        $this->assertSame('won', $bet->status);
+        $this->assertSame(105, $bet->payout);
+        $this->assertSame(505, $user->fresh()->jjb);
+    }
 }