Stations: move price-rating Key (legend) into a modal sheet opened by an info button in the nav header; list stays focused on stations. Sheet = medium detent, inline nav title 'Key', Done button; legend rows unchanged. Adds -showKeySheet launch arg (QA hook for sim).

FuelBoard/StationsView.swift

@@ -25,6 +25,10 @@ struct StationsView: View {
     @State private var pageSize = 10
     @State private var visibleCount = 10
 
+    /// Price-rating legend (the "Key") lives in a sheet, opened from the
+    /// info button in the header — keeps the list focused on stations.
+    @State private var showKey = false
+
     var body: some View {
         NavigationStack {
             List {
@@ -127,6 +131,41 @@ struct StationsView: View {
                     }
                 }
 
+            }
+            .refreshable {
+                // Manual override for the twice-a-day cache policy.
+                await onRefresh()
+            }
+            .onChange(of: stations) { _, _ in
+                // New fetch or filter switch → back to the first page.
+                visibleCount = pageSize
+            }
+            // Native large-title behaviour (Mail-style): the system shows the
+            // large title at rest, scrolls it away and fades the compact
+            // inline title in. No custom toolbar needed — the native mechanism
+            // only renders text, which is exactly what we want here.
+            .navigationTitle("FuelBoard")
+            .navigationBarTitleDisplayMode(.large)
+            .onAppear {
+                // QA hook: launch with `-showKeySheet` to verify the legend
+                // sheet without driving a tap (simctl has no tap command).
+                if ProcessInfo.processInfo.arguments.contains("-showKeySheet") {
+                    showKey = true
+                }
+            }
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing) {
+                    Button {
+                        showKey = true
+                    } label: {
+                        Image(systemName: "info.circle")
+                    }
+                    .accessibilityLabel("Key")
+                }
+            }
+            .sheet(isPresented: $showKey) {
+                NavigationStack {
+                    List {
                         Section("Key") {
                             HStack(spacing: 8) {
                                 Circle().fill(.green).frame(width: 12, height: 12)
@@ -162,20 +201,16 @@ struct StationsView: View {
                             }
                         }
                     }
-            .refreshable {
-                // Manual override for the twice-a-day cache policy.
-                await onRefresh()
+                    .navigationTitle("Key")
+                    .navigationBarTitleDisplayMode(.inline)
+                    .toolbar {
+                        ToolbarItem(placement: .confirmationAction) {
+                            Button("Done") { showKey = false }
                         }
-            .onChange(of: stations) { _, _ in
-                // New fetch or filter switch → back to the first page.
-                visibleCount = pageSize
                     }
-            // Native large-title behaviour (Mail-style): the system shows the
-            // large title at rest, scrolls it away and fades the compact
-            // inline title in. No custom toolbar needed — the native mechanism
-            // only renders text, which is exactly what we want here.
-            .navigationTitle("FuelBoard")
-            .navigationBarTitleDisplayMode(.large)
+                }
+                .presentationDetents([.medium])
+            }
         }
     }
 }

build-sim/ModuleCache.noindex/Session.modulevalidation

@@ -1 +1 @@
-1786743969.454457: Module build session file for module cache at Path(_str: "/Users/apt/workspace/fuelboard/build-sim/ModuleCache.noindex")
+1786747638.063251: Module build session file for module cache at Path(_str: "/Users/apt/workspace/fuelboard/build-sim/ModuleCache.noindex")

build-sim/info.plist

@@ -3,7 +3,7 @@
 <plist version="1.0">
 <dict>
 	<key>LastAccessedDate</key>
-	<date>2026-08-14T21:46:07Z</date>
+	<date>2026-08-14T22:47:15Z</date>
 	<key>WorkspacePath</key>
 	<string>/Users/apt/workspace/fuelboard/FuelBoard.xcodeproj</string>
 </dict>