优化聊天室烟花特效表现与卡顿问题

tests/Feature/ShopControllerTest.php

@@ -7,6 +7,7 @@
 
 namespace Tests\Feature;
 
+use App\Events\EffectBroadcast;
 use App\Events\MessageSent;
 use App\Models\ShopItem;
 use App\Models\User;
@@ -250,4 +251,53 @@ class ShopControllerTest extends TestCase
                 && str_contains((string) ($event->message['content'] ?? ''), $item->name);
         });
     }
+
+    /**
+     * 测试指定接收人购买单次特效时，购买者本端仍会拿到播放指令，且广播会带上接收人与操作者信息。
+     */
+    public function test_buy_instant_effect_for_recipient_returns_local_play_and_broadcasts_targeted_event(): void
+    {
+        Event::fake([EffectBroadcast::class]);
+
+        $buyer = User::factory()->create([
+            'username' => 'buyer-user',
+            'jjb' => 5000,
+        ]);
+        $recipient = User::factory()->create([
+            'username' => 'receiver-user',
+        ]);
+
+        $item = ShopItem::create([
+            'name' => '烟花单次卡',
+            'slug' => 'once_fireworks_targeted',
+            'type' => 'instant',
+            'price' => 888,
+            'icon' => '🎆',
+            'is_active' => true,
+        ]);
+
+        $response = $this->actingAs($buyer)->postJson(route('shop.buy'), [
+            'item_id' => $item->id,
+            'room_id' => 1,
+            'recipient' => $recipient->username,
+            'message' => '送你一场烟花',
+        ]);
+
+        $response->assertOk();
+        $response->assertJson([
+            'status' => 'success',
+            'play_effect' => $item->effectKey(),
+            'target_username' => $recipient->username,
+            'gift_message' => '送你一场烟花',
+        ]);
+
+        Event::assertDispatched(EffectBroadcast::class, function (EffectBroadcast $event) use ($buyer, $recipient, $item): bool {
+            return $event->roomId === 1
+                && $event->type === $item->effectKey()
+                && $event->operator === $buyer->username
+                && $event->targetUsername === $recipient->username
+                && $event->giftMessage === '送你一场烟花'
+                && $event->broadcastWith()['operator'] === $buyer->username;
+        });
+    }
 }