Stabilize staff concurrency and premium emoji; enable verified Drone deployment

src/display/demo_admin.py

@@ -3,7 +3,7 @@
 """
 import asyncio
 from ..core.database import async_session_maker, init_db
-from ..core.services import UserService, LotteryService
+from ..core.services import UserService, LotteryService, ParticipationService
 from ..utils.admin_utils import AdminUtils, ReportGenerator
 
 
@@ -87,17 +87,17 @@ async def demo_admin_features():
         participants_added = 0
         for user in users:
             # В первый розыгрыш добавляем всех
-            if await LotteryService.add_participant(session, lottery1.id, user.id):
+            if await ParticipationService.add_participant(session, lottery1.id, user.id):
                 participants_added += 1
             
             # Во второй - половину
             if user.id % 2 == 0:
-                if await LotteryService.add_participant(session, lottery2.id, user.id):
+                if await ParticipationService.add_participant(session, lottery2.id, user.id):
                     participants_added += 1
             
             # В третий - треть
             if user.id % 3 == 0:
-                if await LotteryService.add_participant(session, lottery3.id, user.id):
+                if await ParticipationService.add_participant(session, lottery3.id, user.id):
                     participants_added += 1
         
         print(f"✅ Добавлено {participants_added} участий")
@@ -188,4 +188,4 @@ async def demo_admin_features():
 
 
 if __name__ == "__main__":
-    asyncio.run(demo_admin_features())
+    asyncio.run(demo_admin_features())