Provider: show the electric range with the climate control on

MyToyota reports two range figures for an EV, and only one of them was
reaching the readings: evRangeWithAc was listed as a fallback alias for
evRange, so on a car that reports both — every bZ4X — the first key won
and the second was never shown. It is its own reading now. The gap
between the two is the useful part: it is what running the A/C costs you.

Both are labelled for the pair, "Electric range (A/C off)" beside
"Electric range (A/C on)", so neither figure is left ambiguous now that
they sit next to each other.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

API Server/internal/api/vehicleproviders.go

@@ -642,7 +642,12 @@ func headlineMetrics(trees []any) []providerMetric {
 		{key: "fuelLevel", keys: []string{"fuelLevel", "fuelPercentage", "fuelRemainingPercent"}, unit: "%"},
 		{key: "fuelRange", keys: []string{"fuelRange", "rangeRemaining", "drivingRange", "fuelRangeTotal"}, unit: "km", distance: true},
 		{key: "batteryLevel", keys: []string{"batteryLevel", "chargeRemainingAmount", "stateOfCharge", "socLevel"}, unit: "%"},
-		{key: "evRange", keys: []string{"evRange", "electricRange", "batteryRange", "evRangeWithAc"}, unit: "km", distance: true},
+		{key: "evRange", keys: []string{"evRange", "electricRange", "batteryRange"}, unit: "km", distance: true},
+		// Range with the climate control running, which Toyota reports beside the
+		// plain one. Its own reading rather than a fallback for evRange: the two
+		// are different numbers and the gap between them is the point — a driver
+		// deciding whether to run the A/C wants to see both.
+		{key: "evRangeWithAc", keys: []string{"evRangeWithAc"}, unit: "km", distance: true},
 	}
 
 	out := []providerMetric{}