Siri directions: speak the station before Maps hand-off (.result(opensIntent:dialog:))

FuelBoard/SiriShortcuts.swift

@@ -148,7 +148,7 @@ struct DirectionsToCheapestFuelIntent: AppIntent {
         self.fuel = fuel
     }
 
-    func perform() async throws -> some IntentResult & OpensIntent {
+    func perform() async throws -> some IntentResult & ProvidesDialog & OpensIntent {
         let stations = FuelStore.loadStations()
 
         guard !stations.isEmpty else {
@@ -172,8 +172,17 @@ struct DirectionsToCheapestFuelIntent: AppIntent {
             throw DirectionsError("I couldn't find any station selling \(fuelName) within \(radiusText) of you.")
         }
 
+        // Speak where we're taking the user BEFORE the Maps hand-off — a
+        // silent jump straight into Maps is jarring. The `.result(opensIntent:
+        // dialog:)` overload (confirmed in the iOS 26 SDK interface) lets the
+        // intent do both: announce the station, then open it.
+        let distanceKM = station.distanceKM(to: coordinate.lat, lng2: coordinate.lng)
+        let distanceText = FuelStore.loadDistanceUnit().format(distanceKM)
         let url = SiriCheapestLookup.mapsURL(latitude: station.lat, longitude: station.lng)
-        return .result(opensIntent: OpenURLIntent(url))
+        return .result(
+            opensIntent: OpenURLIntent(url),
+            dialog: IntentDialog(stringLiteral: "Opening Maps to \(station.name), \(distanceText) away.")
+        )
     }
 }