Recovered from backup

backend/models/sql/Sensor.py

@@ -0,0 +1,14 @@
+from sqlalchemy import Column, Integer, String, Float, TIMESTAMP, Table, MetaData, func
+
+metadata = MetaData()
+
+sensor_mq_data = Table(
+    "sensor_mq_data",
+    metadata,
+    Column("id", Integer, primary_key=True, autoincrement=True),
+    Column("sensor_type", String(50), nullable=False),  # Tipo de sensor (MQ-135, etc.)
+    Column("lat", Float, nullable=False),  # Latitud
+    Column("lon", Float, nullable=False),  # Longitud
+    Column("value", Float, nullable=False),  # Valor leído del sensor
+    Column("timestamp", TIMESTAMP, server_default=func.current_timestamp())  # Fecha automática
+)