Siri: interactive price-card snippet (iOS 26 SnippetIntent) with Directions button → Apple Maps; zero AppShortcut slots

FuelBoard/SiriShortcuts.swift

@@ -59,7 +59,7 @@ struct CheapestFuelIntent: AppIntent {
         self.fuel = fuel
     }
 
-    func perform() async throws -> some IntentResult & ProvidesDialog & ShowsSnippetView & ReturnsValue<String> {
+    func perform() async throws -> some IntentResult & ProvidesDialog & ShowsSnippetIntent & ReturnsValue<String> {
         let stations = FuelStore.loadStations()
 
         guard !stations.isEmpty else {
@@ -67,7 +67,7 @@ struct CheapestFuelIntent: AppIntent {
             return .result(
                 value: "No price data yet",
                 dialog: IntentDialog(stringLiteral: dialog),
-                view: FuelMessage(text: "No price data yet — open FuelBoard to download prices.")
+                snippetIntent: FuelMessageSnippetIntent(text: "No price data yet — open FuelBoard to download prices.")
             )
         }
 
@@ -76,7 +76,7 @@ struct CheapestFuelIntent: AppIntent {
             return .result(
                 value: "Location unavailable",
                 dialog: IntentDialog(stringLiteral: dialog),
-                view: FuelMessage(text: "Location unavailable — open FuelBoard to share your location.")
+                snippetIntent: FuelMessageSnippetIntent(text: "Location unavailable — open FuelBoard to share your location.")
             )
         }
 
@@ -96,7 +96,7 @@ struct CheapestFuelIntent: AppIntent {
             return .result(
                 value: "No \(fuelName) stations within \(radiusText)",
                 dialog: IntentDialog(stringLiteral: "I couldn't find any station selling \(fuelName) within \(radiusText) of you."),
-                view: FuelMessage(text: "No \(fuelName) stations within \(radiusText).")
+                snippetIntent: FuelMessageSnippetIntent(text: "No \(fuelName) stations within \(radiusText).")
             )
         }
 
@@ -114,12 +114,14 @@ struct CheapestFuelIntent: AppIntent {
         return .result(
             value: summary,
             dialog: IntentDialog(stringLiteral: dialog),
-            view: FuelPriceCard(
+            snippetIntent: FuelPriceSnippetIntent(
                 stationName: station.name,
                 fuelName: fuel.displayName,
                 price: priceText,
                 distance: distanceText,
-                freshness: freshness
+                freshness: freshness,
+                latitude: station.lat,
+                longitude: station.lng
             )
         )
     }
@@ -221,7 +223,7 @@ struct FavouriteFuelPriceIntent: AppIntent {
         self.fuel = fuel
     }
 
-    func perform() async throws -> some IntentResult & ProvidesDialog & ShowsSnippetView & ReturnsValue<String> {
+    func perform() async throws -> some IntentResult & ProvidesDialog & ShowsSnippetIntent & ReturnsValue<String> {
         let stations = FuelStore.loadStations()
         let favourites = FuelStore.loadFavourites()
         let fuelName = fuel.displayName.lowercased()
@@ -231,7 +233,7 @@ struct FavouriteFuelPriceIntent: AppIntent {
             return .result(
                 value: "No favourite \(fuelName) station",
                 dialog: IntentDialog(stringLiteral: dialog),
-                view: FuelMessage(text: "No favourite \(fuelName) station — star one in FuelBoard first.")
+                snippetIntent: FuelMessageSnippetIntent(text: "No favourite \(fuelName) station — star one in FuelBoard first.")
             )
         }
 
@@ -240,7 +242,7 @@ struct FavouriteFuelPriceIntent: AppIntent {
             return .result(
                 value: "No current price for \(favourite.station.name)",
                 dialog: IntentDialog(stringLiteral: dialog),
-                view: FuelMessage(text: "No current price for \(favourite.station.name).")
+                snippetIntent: FuelMessageSnippetIntent(text: "No current price for \(favourite.station.name).")
             )
         }
 
@@ -273,12 +275,14 @@ struct FavouriteFuelPriceIntent: AppIntent {
         return .result(
             value: summary,
             dialog: IntentDialog(stringLiteral: dialog),
-            view: FuelPriceCard(
+            snippetIntent: FuelPriceSnippetIntent(
                 stationName: favourite.station.name,
                 fuelName: fuel.displayName,
                 price: priceText,
                 distance: distanceText,
-                freshness: freshness
+                freshness: freshness,
+                latitude: favourite.station.lat,
+                longitude: favourite.station.lng
             )
         )
     }
@@ -337,13 +341,19 @@ struct DirectionsToFavouriteFuelIntent: AppIntent {
 
 // MARK: - Snippets
 
-/// Price card shown in Shortcuts / Siri results.
+/// Price card shown in Shortcuts / Siri results. Rendered via
+/// `FuelPriceSnippetIntent` so it is an INTERACTIVE snippet (iOS 26): the
+/// optional `directionsIntent` wires a button that opens Apple Maps at the
+/// station — an AppIntent run by the button needs NO AppShortcut slot, so
+/// directions are available on every price card without touching the 10-
+/// shortcut cap. `directionsIntent == nil` renders the plain static card.
 struct FuelPriceCard: View {
     let stationName: String
     let fuelName: String
     let price: String
     let distance: String
     let freshness: String
+    var directionsIntent: OpenDirectionsIntent? = nil
 
     var body: some View {
         HStack(spacing: 14) {
@@ -364,9 +374,19 @@ struct FuelPriceCard: View {
                 }
             }
             Spacer(minLength: 8)
-            Text(price)
+            VStack(alignment: .trailing, spacing: 6) {
-                .font(.title2.bold())
+                Text(price)
-                .monospacedDigit()
+                    .font(.title2.bold())
+                    .monospacedDigit()
+                if let directionsIntent {
+                    Button(intent: directionsIntent) {
+                        Label("Directions", systemImage: "map.fill")
+                            .font(.footnote.weight(.medium))
+                    }
+                    .buttonStyle(.bordered)
+                    .controlSize(.small)
+                }
+            }
         }
         .padding(12)
     }
@@ -388,6 +408,93 @@ struct FuelMessage: View {
     }
 }
 
+/// The button action on the price card: opens Apple Maps at the exact
+/// station shown. Hidden from Shortcuts discovery (`isDiscoverable = false`)
+/// — it is only ever run by the snippet button, so it consumes no App
+/// Shortcut slot and adds no phrase.
+struct OpenDirectionsIntent: AppIntent {
+    static var title: LocalizedStringResource = "Directions"
+    static var description = IntentDescription("Opens Apple Maps directions to the station.")
+    static var isDiscoverable: Bool = false
+
+    @Parameter var stationName: String
+    @Parameter var latitude: Double
+    @Parameter var longitude: Double
+
+    init() {}
+
+    init(stationName: String, latitude: Double, longitude: Double) {
+        self.stationName = stationName
+        self.latitude = latitude
+        self.longitude = longitude
+    }
+
+    func perform() async throws -> some IntentResult & ProvidesDialog & OpensIntent {
+        let url = SiriCheapestLookup.mapsURL(latitude: latitude, longitude: longitude)
+        return .result(
+            opensIntent: OpenURLIntent(url),
+            dialog: IntentDialog(stringLiteral: "Opening Maps to \(stationName).")
+        )
+    }
+}
+
+/// Interactive snippet backing the price card. Parameter-carried (side-effect-
+/// free `perform`); the view's Directions button runs `OpenDirectionsIntent`.
+struct FuelPriceSnippetIntent: SnippetIntent {
+    static var title: LocalizedStringResource = "Fuel Price Card"
+    static var isDiscoverable: Bool = false
+
+    @Parameter var stationName: String
+    @Parameter var fuelName: String
+    @Parameter var price: String
+    @Parameter var distance: String
+    @Parameter var freshness: String
+    @Parameter var latitude: Double
+    @Parameter var longitude: Double
+
+    init() {}
+
+    init(stationName: String, fuelName: String, price: String, distance: String, freshness: String, latitude: Double, longitude: Double) {
+        self.stationName = stationName
+        self.fuelName = fuelName
+        self.price = price
+        self.distance = distance
+        self.freshness = freshness
+        self.latitude = latitude
+        self.longitude = longitude
+    }
+
+    func perform() async throws -> some IntentResult & ShowsSnippetView {
+        .result(view: FuelPriceCard(
+            stationName: stationName,
+            fuelName: fuelName,
+            price: price,
+            distance: distance,
+            freshness: freshness,
+            directionsIntent: OpenDirectionsIntent(stationName: stationName, latitude: latitude, longitude: longitude)
+        ))
+    }
+}
+
+/// Interactive snippet backing the fallback message card (no data / no
+/// location / no station / no favourite). Static — no buttons.
+struct FuelMessageSnippetIntent: SnippetIntent {
+    static var title: LocalizedStringResource = "Fuel Message"
+    static var isDiscoverable: Bool = false
+
+    @Parameter var text: String
+
+    init() {}
+
+    init(text: String) {
+        self.text = text
+    }
+
+    func perform() async throws -> some IntentResult & ShowsSnippetView {
+        .result(view: FuelMessage(text: text))
+    }
+}
+
 // MARK: - App Shortcuts
 
 struct FuelBoardShortcuts: AppShortcutsProvider {