Report EcoFlow power and temperature as floats

River 2 reported total power and temperature as integers. River 3 reported temperature as an integer. InfluxDB keeps one field type for each measurement, so it rejected these points when another device wrote floats to the same measurement.

tests/test_backend_modules.py

@@ -131,6 +131,27 @@ def test_measurement_priorities_are_per_instance_and_reset_per_connection(
     assert value(snapshot) == low
 
 
+@pytest.mark.parametrize("decoder_type,packets", [
+    (ecoflow_river2.River2Decoder, [PD_PACKET, (3, 0x20, 0x32, bytes(20) + b"\x1c")]),
+    (ecoflow_river3.River3Decoder, [
+        CELL_TEMP_PACKET, (2, 0xFE, 0x15, b"\x1d" + struct.pack("<f", 244) + b"\x25" + struct.pack("<f", 39)),
+    ]),
+], ids=["river2", "river3"])
+def test_shared_power_and_temperature_measurements_are_floats(decoder_type, packets):
+    # InfluxDB keeps one type per measurement. The JBD temperatures are floats,
+    # so an integer from either EcoFlow model would be rejected in a shared bucket.
+    snapshot = EcoFlowSnapshot()
+    decoder = decoder_type()
+    for packet in packets:
+        decoder.update(snapshot, *packet)
+    values = [
+        snapshot.ef_input_power_watts.raw_value,
+        snapshot.ef_output_power_watts.raw_value,
+        *snapshot.bms_temperature_celsius.raw_values.values(),
+    ]
+    assert [type(value) for value in values] == [float, float, float]
+
+
 def test_snapshot_keeps_diagnostic_packets_and_json_round_trip():
     from bmspy.classes import UPS