Siri: scope cheapest-near-me to the saved search radius (5/10/15 mi)

FuelBoard/SiriShortcuts.swift

@@ -6,9 +6,10 @@ import SwiftUI
 /// Design (see skill reference `siri-app-intents-scope.md`):
 /// - App Intents (iOS 16+), no entitlements/capabilities/Info.plist keys.
 /// - Cached-data-first: answers from the full-UK dump saved in the app-group
-///   defaults by the normal app fetch. The dialog ALWAYS labels data age
-///   ("as of 6:30 AM") — silent stale answers are a trust killer for fuel
-///   prices. The fresh-data path (relay baseURL is LAN-only) is a P0
+///   defaults by the normal app fetch, SCOPED to the app's saved search radius
+///   (5/10/15 mi) so "near me" really means near me. The dialog ALWAYS labels
+///   data age ("as of 6:30 AM") — silent stale answers are a trust killer for
+///   fuel prices. The fresh-data path (relay baseURL is LAN-only) is a P0
 ///   dependency; until it lands, off-LAN answers use whatever the phone
 ///   last fetched at home.
 /// - Location: last-known location fallback (background CoreLocation from a
@@ -60,17 +61,23 @@ struct CheapestFuelIntent: AppIntent {
             )
         }
 
+        // Scope to the app's saved search radius (5/10/15 mi, default 5) so
+        // "near me" really means near me — the UK-wide minimum can be hundreds
+        // of miles away.
+        let radiusMiles = Double(FuelStore.loadStationLimit())
         guard let station = SiriCheapestLookup.cheapest(
             in: stations,
             fuel: fuel,
             fromLat: coordinate.lat,
-            lng: coordinate.lng
+            lng: coordinate.lng,
+            withinMiles: radiusMiles
         ), let price = station.prices[fuel] else {
             let fuelName = fuel.displayName.lowercased()
+            let radiusText = radiusMiles == 1 ? "1 mile" : "\(Int(radiusMiles)) miles"
             return .result(
-                value: "No \(fuelName) stations found",
-                dialog: IntentDialog(stringLiteral: "I couldn't find any station selling \(fuelName) near you."),
-                view: CheapestFuelMessage(text: "No \(fuelName) stations found.")
+                value: "No \(fuelName) stations within \(radiusText)",
+                dialog: IntentDialog(stringLiteral: "I couldn't find any station selling \(fuelName) within \(radiusText) of you."),
+                view: CheapestFuelMessage(text: "No \(fuelName) stations within \(radiusText).")
             )
         }