Live Activity: price now respects the Price display style — style carried in ContentState (captured at push time, extension renders deterministically instead of re-reading storage), setting change pushes an in-place content update via explicit override (no save-ordering race)

Shared/FuelBoardLiveActivity.swift

@@ -25,6 +25,10 @@ struct FuelBoardLiveActivityAttributes: ActivityAttributes {
         var brand: String
         /// Price in pence per litre (same unit as `FuelStation.prices`).
         var pricePence: Double
+        /// Display style at push time (station sign vs pounds & pence) — carried
+        /// in the state so the extension renders deterministically instead of
+        /// re-reading storage that may not be shared on sideloads.
+        var priceDisplayStyle: PriceDisplayStyle
         var distanceKM: Double
         var lat: Double
         var lng: Double