fix: keep pill selector + swipeable pages (Quick Add first)

Pill tabs (Quick Add / AI Chat) stay visible and tappable.
Pages are also swipeable. Pills sync with swipe position.
Quick Add shown first, swipe left for AI Chat.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ios/Platform/Platform/ContentView.swift

@@ -180,13 +180,12 @@ struct MainTabView: View {
 // MARK: - Assistant Sheet
 
 struct AssistantSheetView: View {
-    @State private var selectedPage = 0
+    @State private var selectedMode = 0
     var onFoodAdded: () -> Void = {}
 
     var body: some View {
         VStack(spacing: 0) {
-            // Drag handle + title
+            VStack(spacing: 12) {
-            VStack(spacing: 8) {
                 Capsule()
                     .fill(Color.textTertiary.opacity(0.3))
                     .frame(width: 36, height: 5)
@@ -196,21 +195,21 @@ struct AssistantSheetView: View {
                     .font(.headline)
                     .foregroundStyle(Color.textPrimary)
 
-                // Page indicator dots
+                // Pill selector — tappable, syncs with swipe
-                HStack(spacing: 6) {
+                HStack(spacing: 4) {
-                    Circle()
+                    tabPill("Quick Add", icon: "magnifyingglass", index: 0)
-                        .fill(selectedPage == 0 ? Color.accentWarm : Color.textTertiary.opacity(0.3))
+                    tabPill("AI Chat", icon: "sparkles", index: 1)
-                        .frame(width: 7, height: 7)
-                    Circle()
-                        .fill(selectedPage == 1 ? Color.accentWarm : Color.textTertiary.opacity(0.3))
-                        .frame(width: 7, height: 7)
                 }
-                .padding(.bottom, 4)
+                .padding(4)
+                .background(Color.textTertiary.opacity(0.08))
+                .clipShape(Capsule())
+                .padding(.horizontal, 40)
             }
+            .padding(.bottom, 12)
             .background(Color.canvas)
 
-            // Swipeable pages: Quick Add first, AI Chat second
+            // Swipeable pages — Quick Add first
-            TabView(selection: $selectedPage) {
+            TabView(selection: $selectedMode) {
                 FoodSearchView(isSheet: true, onFoodAdded: onFoodAdded)
                     .tag(0)
 
@@ -218,8 +217,25 @@ struct AssistantSheetView: View {
                     .tag(1)
             }
             .tabViewStyle(.page(indexDisplayMode: .never))
+            .animation(.easeInOut(duration: 0.2), value: selectedMode)
         }
         .background(Color.canvas)
         .presentationDetents([.large])
     }
+
+    private func tabPill(_ title: String, icon: String, index: Int) -> some View {
+        Button {
+            withAnimation(.easeInOut(duration: 0.2)) { selectedMode = index }
+        } label: {
+            HStack(spacing: 5) {
+                Image(systemName: icon).font(.caption2)
+                Text(title).font(.subheadline.weight(selectedMode == index ? .semibold : .regular))
+            }
+            .foregroundStyle(selectedMode == index ? Color.textPrimary : Color.textTertiary)
+            .padding(.horizontal, 16)
+            .padding(.vertical, 8)
+            .background(selectedMode == index ? Color.surfaceCard : Color.clear)
+            .clipShape(Capsule())
+        }
+    }
 }