added rain, updated graph styles

tests/test_service.py

@@ -50,10 +50,12 @@ def test_url_prefix_mounts_all_routes():
 def test_extract_sample_payload():
     namespace = {}
     exec(Path("payload_dict.py").read_text(), namespace)
-    names = {name: name.title() for name in ("outdoor", "wind", "bedroom", "study", "living")}
+    names = {name: name.title() for name in ("outdoor", "wind", "rain", "bedroom", "study", "living")}
     samples = extract_samples(namespace["payload"], names)
     assert samples["outdoor"].values["pressure"] == 1004.8
+    assert samples["pressure"].values["pressure"] == 1004.8
     assert samples["wind"].values["angle"] == 236.0
+    assert samples["rain"].values["sum_rain_24"] == 9.8
     assert "bedroom" not in samples  # unreachable module has no dashboard_data