The sort control leaves the list — three pickers settle into the bottom bar

Same segments, same persistence; the picker now rides each screen's
toolbar as a bottom-bar item shown only when there are rows to reorder,
instead of masquerading as the first row of the list it sorts.

Claude-Session: https://claude.ai/code/session_01SR4XGjmBE16ZUYWpfFHXwY

KanbanMobile/Screens/LaneScreen.swift

@@ -6,7 +6,7 @@ import SwiftUI
 /// `session.snapshot` on every body evaluation, so a write this screen makes — or one relayed
 /// from elsewhere through the metadata query — reaches the list the moment the session's reload
 /// lands, and a lane deleted on another device is noticed rather than shown stale. A segmented
-/// control above the card rows lets the list be sorted by name or by most recent change, on top
+/// control in the toolbar lets the list be sorted by name or by most recent change, on top
 /// of the lane's own manual arrangement, remembered across launches.
 struct LaneScreen: View {
     let boardRoot: URL
@@ -47,6 +47,9 @@ struct LaneScreen: View {
                     }
                 }
             }
+            .toolbar {
+                sortToolbarItem
+            }
             .task { session.open() }
             .titlePromptAlert("New Card", isPresented: $isPresentingNewCard, placeholder: "Card Title") { title in
                 createCard(titled: title.isEmpty ? nil : title)
@@ -88,6 +91,22 @@ struct LaneScreen: View {
         return title
     }
 
+    /// Shown only once there is something to sort — an empty or not-yet-loaded card list has no
+    /// rows for the segments to reorder.
+    @ToolbarContentBuilder
+    private var sortToolbarItem: some ToolbarContent {
+        if let lane, !lane.cards.isEmpty {
+            ToolbarItem(placement: .bottomBar) {
+                Picker("Sort", selection: sortOrder) {
+                    Text("Manual").tag(ItemSortOrder.manual)
+                    Text("Name").tag(ItemSortOrder.name)
+                    Text("Recent").tag(ItemSortOrder.recent)
+                }
+                .pickerStyle(.segmented)
+            }
+        }
+    }
+
     @ViewBuilder
     private var content: some View {
         if let lane {
@@ -106,15 +125,6 @@ struct LaneScreen: View {
                         description: Text("Add a card to this lane.")
                     )
                 } else {
-                    Picker("Sort", selection: sortOrder) {
-                        Text("Manual").tag(ItemSortOrder.manual)
-                        Text("Name").tag(ItemSortOrder.name)
-                        Text("Recent").tag(ItemSortOrder.recent)
-                    }
-                    .pickerStyle(.segmented)
-                    .listRowBackground(Color.clear)
-                    .listRowSeparator(.hidden)
-
                     // The trusted order is `.manual`'s base — `Lane.cards` is already in display
                     // order, exactly as the lane list trusts `BoardModel.lanes` — and `.name`/
                     // `.recent` layer a display-only re-sort on top, never touching that base or