Clarify fuel savings comparison labels

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,