iOS: configurable voice wake words

apps/ios/Sources/Settings/SettingsTab.swift

@@ -11,6 +11,7 @@ extension ConnectStatusStore: @unchecked Sendable {}
 
 struct SettingsTab: View {
     @EnvironmentObject private var appModel: NodeAppModel
+    @EnvironmentObject private var voiceWake: VoiceWakeManager
     @Environment(\.dismiss) private var dismiss
     @AppStorage("node.displayName") private var displayName: String = "iOS Node"
     @AppStorage("node.instanceId") private var instanceId: String = UUID().uuidString
@@ -47,6 +48,14 @@ struct SettingsTab: View {
                         .onChange(of: self.voiceWakeEnabled) { _, newValue in
                             self.appModel.setVoiceWakeEnabled(newValue)
                         }
+
+                    NavigationLink {
+                        VoiceWakeWordsSettingsView()
+                    } label: {
+                        LabeledContent(
+                            "Wake Words",
+                            value: VoiceWakePreferences.displayString(for: self.voiceWake.triggerWords))
+                    }
                 }
 
                 Section("Bridge") {

apps/ios/Sources/Settings/VoiceWakeWordsSettingsView.swift

@@ -0,0 +1,69 @@
+import SwiftUI
+
+struct VoiceWakeWordsSettingsView: View {
+    @State private var triggerWords: [String] = []
+
+    var body: some View {
+        Form {
+            Section {
+                ForEach(self.triggerWords.indices, id: \.self) { index in
+                    TextField("Wake word", text: self.binding(for: index))
+                        .textInputAutocapitalization(.never)
+                        .autocorrectionDisabled()
+                }
+                .onDelete(perform: self.removeWords)
+
+                Button {
+                    self.addWord()
+                } label: {
+                    Label("Add word", systemImage: "plus")
+                }
+                .disabled(self.triggerWords
+                    .contains(where: { $0.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }))
+
+                Button("Reset defaults") {
+                    self.triggerWords = VoiceWakePreferences.defaultTriggerWords
+                }
+            } header: {
+                Text("Wake Words")
+            } footer: {
+                Text(
+                    "Clawdis reacts when any trigger appears in a transcription. "
+                        + "Keep them short to avoid false positives.")
+            }
+        }
+        .navigationTitle("Wake Words")
+        .toolbar { EditButton() }
+        .task {
+            if self.triggerWords.isEmpty {
+                self.triggerWords = VoiceWakePreferences.loadTriggerWords()
+            }
+        }
+        .onChange(of: self.triggerWords) { _, newValue in
+            VoiceWakePreferences.saveTriggerWords(newValue)
+        }
+    }
+
+    private func addWord() {
+        self.triggerWords.append("")
+    }
+
+    private func removeWords(at offsets: IndexSet) {
+        self.triggerWords.remove(atOffsets: offsets)
+        if self.triggerWords.isEmpty {
+            self.triggerWords = VoiceWakePreferences.defaultTriggerWords
+        }
+    }
+
+    private func binding(for index: Int) -> Binding<String> {
+        Binding(
+            get: {
+                guard self.triggerWords.indices.contains(index) else { return "" }
+                return self.triggerWords[index]
+            },
+            set: { newValue in
+                guard self.triggerWords.indices.contains(index) else { return }
+                self.triggerWords[index] = newValue
+            })
+    }
+}