Add SMARD quarter-hour price provider

tests/test_feedintariffsmard.py

@@ -0,0 +1,41 @@
+# ruff: noqa: S101
+
+from unittest.mock import patch
+
+from akkudoktoreos.core.coreabc import get_ems
+from akkudoktoreos.prediction.elecpriceenergycharts import EnergyChartsElecPrice
+from akkudoktoreos.prediction.elecpricesmard import ElecPriceSMARD
+from akkudoktoreos.prediction.feedintariffsmard import FeedInTariffSMARD
+from akkudoktoreos.utils.datetimeutil import to_datetime
+
+
+def test_feed_in_tariff_smard_reuses_raw_smard_market_prices(config_eos):
+    """The feed-in provider delegates to SMARD and stores no import-price components."""
+    config_eos.merge_settings_from_dict(
+        {
+            "elecprice": {"provider": "ElecPriceSMARD"},
+            "feedintariff": {
+                "direct_marketing_enabled": True,
+                "provider": "FeedInTariffSMARD",
+            },
+        }
+    )
+    get_ems().set_start_datetime(
+        to_datetime("2026-08-01 00:00:00", in_timezone="Europe/Berlin")
+    )
+    provider = FeedInTariffSMARD()
+    data = EnergyChartsElecPrice(
+        license_info="CC BY 4.0 Bundesnetzagentur | SMARD.de",
+        unix_seconds=[1785535200],
+        price=[169.44],
+        unit="EUR/MWh",
+        deprecated=False,
+    )
+
+    with patch.object(ElecPriceSMARD, "_request_forecast", return_value=data) as request:
+        result = provider._request_forecast(start_date="2026-08-01", force_update=True)
+
+    assert provider.enabled()
+    assert result is data
+    assert provider._parse_data(result).iloc[0] == 169.44 / 1_000_000
+    request.assert_called_once_with(start_date="2026-08-01", force_update=True)