Add events history

backend/app/services/events.py

@@ -157,13 +157,16 @@ class EventService:
         - winners_list: list of winners if event closed, None otherwise
         """
         if event.type != EventType.COMMON_ENEMY.value:
+            print(f"[COMMON_ENEMY] Event type mismatch: {event.type}")
             return 0, False, None
 
         data = event.data or {}
         completions = data.get("completions", [])
+        print(f"[COMMON_ENEMY] Current completions count: {len(completions)}")
 
         # Check if already completed
         if any(c["participant_id"] == participant_id for c in completions):
+            print(f"[COMMON_ENEMY] Participant {participant_id} already completed")
             return 0, False, None
 
         # Add completion
@@ -174,6 +177,7 @@ class EventService:
             "completed_at": datetime.utcnow().isoformat(),
             "rank": rank,
         })
+        print(f"[COMMON_ENEMY] Added completion for user {user_id}, rank={rank}")
 
         # Update event data - need to flag_modified for SQLAlchemy to detect JSON changes
         event.data = {**data, "completions": completions}
@@ -189,6 +193,7 @@ class EventService:
             event.end_time = datetime.utcnow()
             event_closed = True
             winners_list = completions[:3]  # Top 3
+            print(f"[COMMON_ENEMY] Event auto-closed! Winners: {winners_list}")
 
         await db.commit()