reinicia votos al activar ventana de votación y al reproducir ganador

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/routers/admin.py

@@ -299,12 +299,24 @@ def update_voting_config(
             status_code=400,
         )
 
+    was_active = config.is_active
+    new_active = is_active == "on"
+
     config.start_time = start_time
     config.end_time = end_time
-    config.is_active = is_active == "on"
+    config.is_active = new_active
     db.commit()
 
+    votes_reset = False
+    if new_active and not was_active:
+        db.query(Vote).delete()
+        db.commit()
+        votes_reset = True
+
     results = _vote_results(db)
+    success_msg = "Configuración guardada"
+    if votes_reset:
+        success_msg = "Configuración guardada · Votos reiniciados para la nueva ventana"
     return templates.TemplateResponse(
         "admin/voting.html",
         {
@@ -314,7 +326,7 @@ def update_voting_config(
             "total_votes": sum(r["votes"] for r in results),
             "server_time": now_str,
             "error": None,
-            "success": "Configuración guardada",
+            "success": success_msg,
         },
     )
 
@@ -341,6 +353,8 @@ def play_winner(request: Request, db: Session = Depends(get_db)):
     except Exception as e:
         raise HTTPException(status_code=500, detail=str(e))
 
+    db.query(Vote).delete()
+    db.commit()
     return RedirectResponse(url="/admin/voting", status_code=303)