codex: add custom search engines

App/Settings/Amber/AmberSettingsView.swift

@@ -23,8 +23,8 @@ struct AmberSettingsView: View {
     @Environment(\.presentationMode)
         @Binding private var presentationMode
     
-    @State private var searchProvider = Settings.shared.searchProvider {
-        didSet { Settings.shared.searchProvider = searchProvider }
+    @State private var defaultSearchEngineName = Settings.shared.defaultSearchEngineName {
+        didSet { Settings.shared.defaultSearchEngineName = defaultSearchEngineName }
     }
     
     var body: some View {
@@ -35,12 +35,12 @@ struct AmberSettingsView: View {
                 })
                 
                 Section(header: Text("Search Provider"), content: {
-                    ForEach(Settings.SearchProviderSetting.allCases, id: \.self, content: { setting in
-                        Button(action: { searchProvider = setting }, label: {
+                    ForEach(Array(Settings.shared.searchEngines.keys).sorted(), id: \.self, content: { name in
+                        Button(action: { defaultSearchEngineName = name }, label: {
                             HStack {
-                                Text(setting.rawValue)
+                                Text(name)
                                 Spacer()
-                                if searchProvider == setting {
+                                if defaultSearchEngineName == name {
                                     Image(systemName: "checkmark")
                                 }
                             }