Clarify fuel savings comparison labels

FuelBoard/ContentView.swift

@@ -1523,7 +1523,6 @@ struct ContentView: View {
             fuelSavingsSettings: fuelSavingsSettings,
             fuelSavingsAmount: $sessionFuelSavingsAmount,
             savingsForStation: savingsLookup(baseline: baselineStation, journeys: scaffold.journeys),
-            savingsBaselineStationName: baselineStation?.name,
             journeyDiagnosticsForStation: { station in journeyDiagnostics(for: station, baseline: baselineStation) },
             onToggleFavourite: toggleFavourite,
             onRefresh: { await refresh(force: true) }
@@ -1545,7 +1544,6 @@ struct ContentView: View {
             fuelSavingsSettings: fuelSavingsSettings,
             fuelSavingsAmount: $sessionFuelSavingsAmount,
             savingsForStation: savingsLookup(baseline: baselineStation, journeys: scaffold.journeys),
-            savingsBaselineStationName: baselineStation?.name,
             journeyDiagnosticsForStation: { station in journeyDiagnostics(for: station, baseline: baselineStation) },
             onToggleFavourite: toggleFavourite,
             onReorder: reorderFavourites,
@@ -1944,7 +1942,6 @@ struct StationRow: View {
                 FuelSavingsSummaryView(
                     availability: fuelSavings,
                     amount: fuelSavingsAmount,
-                    baselineStationName: nil,
                     compact: true,
                     distanceUnit: distanceUnit
                 )

FuelBoard/FavouritesView.swift

@@ -24,7 +24,6 @@ struct FavouritesView: View {
     /// Estimated saving for a favourite, against the nearest eligible station —
     /// the same baseline and definition the Stations list uses.
     var savingsForStation: (FuelStation) -> FuelSavingsAvailability? = { _ in nil }
-    var savingsBaselineStationName: String?
     var journeyDiagnosticsForStation: (FuelStation) -> FuelSavingsJourneyDiagnostics? = { _ in nil }
     var onToggleFavourite: (FuelStation, FuelType) -> Void = { _, _ in }
     /// Persists a reordered favourites array (after drag-and-drop).
@@ -84,7 +83,6 @@ struct FavouritesView: View {
          fuelSavingsSettings: FuelSavingsSettings = .defaults,
          fuelSavingsAmount: Binding<FuelSavingsFillAmount>,
          savingsForStation: @escaping (FuelStation) -> FuelSavingsAvailability? = { _ in nil },
-         savingsBaselineStationName: String? = nil,
          journeyDiagnosticsForStation: @escaping (FuelStation) -> FuelSavingsJourneyDiagnostics? = { _ in nil },
          onToggleFavourite: @escaping (FuelStation, FuelType) -> Void = { _, _ in },
          onReorder: @escaping ([FavouriteEntry]) -> Void = { _ in },
@@ -99,7 +97,6 @@ struct FavouritesView: View {
         self.fuelSavingsSettings = fuelSavingsSettings
         _fuelSavingsAmount = fuelSavingsAmount
         self.savingsForStation = savingsForStation
-        self.savingsBaselineStationName = savingsBaselineStationName
         self.journeyDiagnosticsForStation = journeyDiagnosticsForStation
         self.onToggleFavourite = onToggleFavourite
         self.onReorder = onReorder
@@ -221,7 +218,6 @@ struct FavouritesView: View {
                     distanceUnit: distanceUnit,
                     fuelSavings: savingsForStation(station),
                     fuelSavingsAmount: fuelSavingsAmount,
-                    savingsBaselineStationName: savingsBaselineStationName,
                     journeyDiagnostics: journeyDiagnosticsForStation(station),
                     // Every station listed here IS a favourite for the tab's
                     // fuel, so the star starts filled; tapping it unstars.

FuelBoard/FuelSavingsViews.swift

@@ -73,13 +73,17 @@ struct FuelSavingsAdjustmentView: View {
 struct FuelSavingsSummaryView: View {
     let availability: FuelSavingsAvailability?
     let amount: FuelSavingsFillAmount
-    let baselineStationName: String?
+    var baselineStationName: String? = nil
     var compact: Bool = false
     /// Sizes the "extra return travel" caption in the user's own unit (the
     /// stored figure is miles) — used by both the row banner and the detail sheet.
     var distanceUnit: DistanceUnit = .miles
     var showInfoAction: (() -> Void)? = nil
 
+    private func comparisonLabel(for result: FuelSavingsResult) -> String {
+        FuelSavingsFormat.comparisonLabel(status: result.status)
+    }
+
     var body: some View {
         switch availability {
         case .available(let result):
@@ -93,8 +97,17 @@ struct FuelSavingsSummaryView: View {
                 // break even, blue baseline. lineLimit + minimumScaleFactor keep
                 // it to one line, so rows stay even.
                 VStack(alignment: .leading, spacing: 2) {
-                    capsule(for: result, compact: true)
-                        .accessibilityLabel(accessibilityHeadline(for: result))
+                    HStack(alignment: .firstTextBaseline, spacing: 6) {
+                        capsule(for: result, compact: true)
+                            .accessibilityLabel(accessibilityHeadline(for: result))
+                        Text(comparisonLabel(for: result))
+                            .font(.caption2)
+                            .foregroundStyle(.secondary)
+                            .lineLimit(1)
+                            .minimumScaleFactor(0.75)
+                            .layoutPriority(1)
+                            .accessibilityLabel("Comparison: \(comparisonLabel(for: result))")
+                    }
                     if let extraTravel = FuelSavingsFormat.extraTravelLabel(
                         extraDistanceMiles: result.extraDistanceMiles,
                         unit: distanceUnit,

FuelBoard/StationsView.swift

@@ -19,7 +19,6 @@ struct StationsView: View {
     let fuelSavingsSettings: FuelSavingsSettings
     @Binding var fuelSavingsAmount: FuelSavingsFillAmount
     var savingsForStation: (FuelStation) -> FuelSavingsAvailability? = { _ in nil }
-    var savingsBaselineStationName: String?
     var journeyDiagnosticsForStation: (FuelStation) -> FuelSavingsJourneyDiagnostics? = { _ in nil }
     var onToggleFavourite: (FuelStation, FuelType) -> Void = { _, _ in }
     var onRefresh: () async -> Void = {}
@@ -348,7 +347,6 @@ struct StationsView: View {
                     distanceUnit: distanceUnit,
                     fuelSavings: savingsForStation(station),
                     fuelSavingsAmount: fuelSavingsAmount,
-                    savingsBaselineStationName: savingsBaselineStationName,
                     journeyDiagnostics: journeyDiagnosticsForStation(station),
                     isFavourite: favouriteIDs.contains(station.id),
                     onToggleFavourite: { onToggleFavourite(station, selectedFuel) }

FuelBoard/WidgetMockScreen.swift

@@ -76,7 +76,7 @@ struct WidgetMockScreen: View {
         let location = FuelStore.loadLocation().map { Coordinate(lat: $0.lat, lng: $0.lng) }
         // 5 miles — the widget config's default Distance. WidgetDistance itself
         // lives in the widget target, so the preview mirrors its default here.
-        let radiusKM = 5 * 1.60934
+        let radiusKM = 5 * FuelSavingsCalculator.kilometresPerMile
         let all = FuelStore.loadStations()
         let selling = all.filter { station in
             guard station.prices[fuel] != nil else { return false }