corrige zona horaria en votación: TZ=America/Santiago en contenedor

El contenedor corría en UTC causando que la ventana horaria no
coincidiera con la hora local. Se agrega TZ en docker-compose y se
muestra la hora actual del servidor en el panel de votación.

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

app/routers/admin.py

@@ -244,6 +244,7 @@ def voting_admin(request: Request, db: Session = Depends(get_db)):
             "config": config,
             "results": results,
             "total_votes": total_votes,
+            "server_time": datetime.now().strftime("%H:%M:%S"),
             "error": None,
             "success": None,
         },
@@ -261,6 +262,8 @@ def update_voting_config(
     _require_admin(request)
     config = _get_or_create_config(db)
 
+    now_str = datetime.now().strftime("%H:%M:%S")
+
     try:
         datetime.strptime(start_time, "%H:%M")
         datetime.strptime(end_time, "%H:%M")
@@ -273,6 +276,7 @@ def update_voting_config(
                 "config": config,
                 "results": results,
                 "total_votes": sum(r["votes"] for r in results),
+                "server_time": now_str,
                 "error": "Formato de hora inválido. Use HH:MM",
                 "success": None,
             },
@@ -288,6 +292,7 @@ def update_voting_config(
                 "config": config,
                 "results": results,
                 "total_votes": sum(r["votes"] for r in results),
+                "server_time": now_str,
                 "error": "La hora de inicio debe ser anterior a la hora de fin",
                 "success": None,
             },
@@ -307,6 +312,7 @@ def update_voting_config(
             "config": config,
             "results": results,
             "total_votes": sum(r["votes"] for r in results),
+            "server_time": now_str,
             "error": None,
             "success": "Configuración guardada",
         },

app/templates/admin/voting.html

@@ -54,6 +54,7 @@
             <button type="submit" class="btn-primary">Guardar configuración</button>
         </form>
 
+        <div class="status-row">
             <div class="status-badge {% if config.is_active %}status-active{% else %}status-inactive{% endif %}">
                 {% if config.is_active %}
                     🟢 Activa · Ventana: {{ config.start_time }} – {{ config.end_time }}
@@ -61,6 +62,8 @@
                     🔴 Inactiva
                 {% endif %}
             </div>
+            <div class="server-time">🕐 Hora del servidor: <strong>{{ server_time }}</strong></div>
+        </div>
     </div>
 
     <!-- Resultados -->
@@ -140,6 +143,8 @@
 }
 .status-active { background: rgba(29,185,84,.15); color: var(--green); border: 1px solid rgba(29,185,84,.3); }
 .status-inactive { background: rgba(136,136,136,.1); color: var(--text-muted); border: 1px solid #333; }
+.status-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
+.server-time { font-size: .8rem; color: var(--text-muted); }
 
 .results-header { display: flex; justify-content: space-between; align-items: center; }
 .results-list { display: flex; flex-direction: column; gap: .5rem; margin-top: .25rem; }

docker-compose.yml

@@ -4,6 +4,8 @@ services:
     ports:
       - "8000:8000"
     env_file: .env
+    environment:
+      TZ: America/Santiago
     volumes:
       - ./data:/app/data
     restart: unless-stopped