feat: add dvhubonline feed-in tariff provider (#1193)

Fetches GET /api/prices?start&end&zone (15-min slots, EUR/MWh) and stores
the raw market price as feed_in_tariff_wh (EUR/Wh) — no import charges/VAT.

Slots beyond the day-ahead horizon are left to the consumer's forward-fill
(FeedInTariffImport behaviour).

5 unit tests + opt-in live smoke (EOS_DVHUB_ONLINE_LIVE=1, passing).

Signed-off-by: Christin <info@bikinibottom.capital>
Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>

tests/test_prediction.py

@@ -8,6 +8,7 @@ from akkudoktoreos.prediction.elecpricefixed import ElecPriceFixed
 from akkudoktoreos.prediction.elecpriceimport import ElecPriceImport
 from akkudoktoreos.prediction.elecpricetibber import ElecPriceTibber
 from akkudoktoreos.prediction.feedintariffakkudoktor import FeedInTariffAkkudoktor
+from akkudoktoreos.prediction.feedintariffdvhubonline import FeedInTariffDvhubOnline
 from akkudoktoreos.prediction.feedintariffenergycharts import FeedInTariffEnergyCharts
 from akkudoktoreos.prediction.feedintarifffixed import FeedInTariffFixed
 from akkudoktoreos.prediction.feedintariffimport import FeedInTariffImport
@@ -50,6 +51,7 @@ def forecast_providers():
         ElecPriceImport(),
         ElecPriceTibber(),
         FeedInTariffAkkudoktor(),
+        FeedInTariffDvhubOnline(),
         FeedInTariffEnergyCharts(),
         FeedInTariffFixed(),
         FeedInTariffImport(),
@@ -106,24 +108,25 @@ def test_provider_sequence(prediction):
     assert isinstance(prediction.providers[3], ElecPriceImport)
     assert isinstance(prediction.providers[4], ElecPriceTibber)
     assert isinstance(prediction.providers[5], FeedInTariffAkkudoktor)
-    assert isinstance(prediction.providers[6], FeedInTariffEnergyCharts)
-    assert isinstance(prediction.providers[7], FeedInTariffFixed)
-    assert isinstance(prediction.providers[8], FeedInTariffImport)
-    assert isinstance(prediction.providers[9], FeedInTariffTibber)
-    assert isinstance(prediction.providers[10], LoadAkkudoktor)
-    assert isinstance(prediction.providers[11], LoadAkkudoktorAdjusted)
-    assert isinstance(prediction.providers[12], LoadVrm)
-    assert isinstance(prediction.providers[13], LoadImport)
-    assert isinstance(prediction.providers[14], PVForecastAkkudoktor)
-    assert isinstance(prediction.providers[15], PVForecastVrm)
-    assert isinstance(prediction.providers[16], PVForecastPVNode)
-    assert isinstance(prediction.providers[17], PVForecastForecastSolar)
-    assert isinstance(prediction.providers[18], PVForecastSolcast)
-    assert isinstance(prediction.providers[19], PVForecastImport)
-    assert isinstance(prediction.providers[20], WeatherBrightSky)
-    assert isinstance(prediction.providers[21], WeatherClearOutside)
-    assert isinstance(prediction.providers[22], WeatherOpenMeteo)
-    assert isinstance(prediction.providers[23], WeatherImport)
+    assert isinstance(prediction.providers[6], FeedInTariffDvhubOnline)
+    assert isinstance(prediction.providers[7], FeedInTariffEnergyCharts)
+    assert isinstance(prediction.providers[8], FeedInTariffFixed)
+    assert isinstance(prediction.providers[9], FeedInTariffImport)
+    assert isinstance(prediction.providers[10], FeedInTariffTibber)
+    assert isinstance(prediction.providers[11], LoadAkkudoktor)
+    assert isinstance(prediction.providers[12], LoadAkkudoktorAdjusted)
+    assert isinstance(prediction.providers[13], LoadVrm)
+    assert isinstance(prediction.providers[14], LoadImport)
+    assert isinstance(prediction.providers[15], PVForecastAkkudoktor)
+    assert isinstance(prediction.providers[16], PVForecastVrm)
+    assert isinstance(prediction.providers[17], PVForecastPVNode)
+    assert isinstance(prediction.providers[18], PVForecastForecastSolar)
+    assert isinstance(prediction.providers[19], PVForecastSolcast)
+    assert isinstance(prediction.providers[20], PVForecastImport)
+    assert isinstance(prediction.providers[21], WeatherBrightSky)
+    assert isinstance(prediction.providers[22], WeatherClearOutside)
+    assert isinstance(prediction.providers[23], WeatherOpenMeteo)
+    assert isinstance(prediction.providers[24], WeatherImport)
 
 
 def test_provider_by_id(prediction, forecast_providers):