refactor: migrate iOS gateway to unified ws

apps/ios/Sources/Gateway/GatewayConnectionController.swift

@@ -0,0 +1,426 @@
+import ClawdbotKit
+import Darwin
+import Foundation
+import Network
+import Observation
+import SwiftUI
+import UIKit
+
+@MainActor
+@Observable
+final class GatewayConnectionController {
+    private(set) var gateways: [GatewayDiscoveryModel.DiscoveredGateway] = []
+    private(set) var discoveryStatusText: String = "Idle"
+    private(set) var discoveryDebugLog: [GatewayDiscoveryModel.DebugLogEntry] = []
+
+    private let discovery = GatewayDiscoveryModel()
+    private weak var appModel: NodeAppModel?
+    private var didAutoConnect = false
+
+    init(appModel: NodeAppModel, startDiscovery: Bool = true) {
+        self.appModel = appModel
+
+        GatewaySettingsStore.bootstrapPersistence()
+        let defaults = UserDefaults.standard
+        self.discovery.setDebugLoggingEnabled(defaults.bool(forKey: "gateway.discovery.debugLogs"))
+
+        self.updateFromDiscovery()
+        self.observeDiscovery()
+
+        if startDiscovery {
+            self.discovery.start()
+        }
+    }
+
+    func setDiscoveryDebugLoggingEnabled(_ enabled: Bool) {
+        self.discovery.setDebugLoggingEnabled(enabled)
+    }
+
+    func setScenePhase(_ phase: ScenePhase) {
+        switch phase {
+        case .background:
+            self.discovery.stop()
+        case .active, .inactive:
+            self.discovery.start()
+        @unknown default:
+            self.discovery.start()
+        }
+    }
+
+    func connect(_ gateway: GatewayDiscoveryModel.DiscoveredGateway) async {
+        let instanceId = UserDefaults.standard.string(forKey: "node.instanceId")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let token = GatewaySettingsStore.loadGatewayToken(instanceId: instanceId)
+        let password = GatewaySettingsStore.loadGatewayPassword(instanceId: instanceId)
+        guard let host = self.resolveGatewayHost(gateway) else { return }
+        let port = gateway.gatewayPort ?? 18789
+        let tlsParams = self.resolveDiscoveredTLSParams(gateway: gateway)
+        guard let url = self.buildGatewayURL(host: host, port: port, useTLS: tlsParams?.required == true) else { return }
+        self.didAutoConnect = true
+        self.startAutoConnect(
+            url: url,
+            gatewayStableID: gateway.stableID,
+            tls: tlsParams,
+            token: token,
+            password: password)
+    }
+
+    func connectManual(host: String, port: Int, useTLS: Bool) async {
+        let instanceId = UserDefaults.standard.string(forKey: "node.instanceId")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let token = GatewaySettingsStore.loadGatewayToken(instanceId: instanceId)
+        let password = GatewaySettingsStore.loadGatewayPassword(instanceId: instanceId)
+        let stableID = self.manualStableID(host: host, port: port)
+        let tlsParams = self.resolveManualTLSParams(stableID: stableID, tlsEnabled: useTLS)
+        guard let url = self.buildGatewayURL(host: host, port: port, useTLS: tlsParams?.required == true) else { return }
+        self.didAutoConnect = true
+        self.startAutoConnect(
+            url: url,
+            gatewayStableID: stableID,
+            tls: tlsParams,
+            token: token,
+            password: password)
+    }
+
+    private func updateFromDiscovery() {
+        let newGateways = self.discovery.gateways
+        self.gateways = newGateways
+        self.discoveryStatusText = self.discovery.statusText
+        self.discoveryDebugLog = self.discovery.debugLog
+        self.updateLastDiscoveredGateway(from: newGateways)
+        self.maybeAutoConnect()
+    }
+
+    private func observeDiscovery() {
+        withObservationTracking {
+            _ = self.discovery.gateways
+            _ = self.discovery.statusText
+            _ = self.discovery.debugLog
+        } onChange: { [weak self] in
+            Task { @MainActor in
+                guard let self else { return }
+                self.updateFromDiscovery()
+                self.observeDiscovery()
+            }
+        }
+    }
+
+    private func maybeAutoConnect() {
+        guard !self.didAutoConnect else { return }
+        guard let appModel = self.appModel else { return }
+        guard appModel.gatewayServerName == nil else { return }
+
+        let defaults = UserDefaults.standard
+        let manualEnabled = defaults.bool(forKey: "gateway.manual.enabled")
+
+        let instanceId = defaults.string(forKey: "node.instanceId")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        guard !instanceId.isEmpty else { return }
+
+        let token = GatewaySettingsStore.loadGatewayToken(instanceId: instanceId)
+        let password = GatewaySettingsStore.loadGatewayPassword(instanceId: instanceId)
+
+        if manualEnabled {
+            let manualHost = defaults.string(forKey: "gateway.manual.host")?
+                .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+            guard !manualHost.isEmpty else { return }
+
+            let manualPort = defaults.integer(forKey: "gateway.manual.port")
+            let resolvedPort = manualPort > 0 ? manualPort : 18789
+            let manualTLS = defaults.bool(forKey: "gateway.manual.tls")
+
+            let stableID = self.manualStableID(host: manualHost, port: resolvedPort)
+            let tlsParams = self.resolveManualTLSParams(stableID: stableID, tlsEnabled: manualTLS)
+
+            guard let url = self.buildGatewayURL(
+                host: manualHost,
+                port: resolvedPort,
+                useTLS: tlsParams?.required == true)
+            else { return }
+
+            self.didAutoConnect = true
+            self.startAutoConnect(
+                url: url,
+                gatewayStableID: stableID,
+                tls: tlsParams,
+                token: token,
+                password: password)
+            return
+        }
+
+        let preferredStableID = defaults.string(forKey: "gateway.preferredStableID")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let lastDiscoveredStableID = defaults.string(forKey: "gateway.lastDiscoveredStableID")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+
+        let candidates = [preferredStableID, lastDiscoveredStableID].filter { !$0.isEmpty }
+        guard let targetStableID = candidates.first(where: { id in
+            self.gateways.contains(where: { $0.stableID == id })
+        }) else { return }
+
+        guard let target = self.gateways.first(where: { $0.stableID == targetStableID }) else { return }
+        guard let host = self.resolveGatewayHost(target) else { return }
+        let port = target.gatewayPort ?? 18789
+        let tlsParams = self.resolveDiscoveredTLSParams(gateway: target)
+        guard let url = self.buildGatewayURL(host: host, port: port, useTLS: tlsParams?.required == true)
+        else { return }
+
+        self.didAutoConnect = true
+        self.startAutoConnect(
+            url: url,
+            gatewayStableID: target.stableID,
+            tls: tlsParams,
+            token: token,
+            password: password)
+    }
+
+    private func updateLastDiscoveredGateway(from gateways: [GatewayDiscoveryModel.DiscoveredGateway]) {
+        let defaults = UserDefaults.standard
+        let preferred = defaults.string(forKey: "gateway.preferredStableID")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let existingLast = defaults.string(forKey: "gateway.lastDiscoveredStableID")?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+
+        // Avoid overriding user intent (preferred/lastDiscovered are also set on manual Connect).
+        guard preferred.isEmpty, existingLast.isEmpty else { return }
+        guard let first = gateways.first else { return }
+
+        defaults.set(first.stableID, forKey: "gateway.lastDiscoveredStableID")
+        GatewaySettingsStore.saveLastDiscoveredGatewayStableID(first.stableID)
+    }
+
+    private func startAutoConnect(
+        url: URL,
+        gatewayStableID: String,
+        tls: GatewayTLSParams?,
+        token: String?,
+        password: String?)
+    {
+        guard let appModel else { return }
+        let connectOptions = self.makeConnectOptions()
+
+        Task { [weak self] in
+            guard let self else { return }
+            await MainActor.run {
+                appModel.gatewayStatusText = "Connecting…"
+            }
+            appModel.connectToGateway(
+                url: url,
+                gatewayStableID: gatewayStableID,
+                tls: tls,
+                token: token,
+                password: password,
+                connectOptions: connectOptions)
+        }
+    }
+
+    private func resolveDiscoveredTLSParams(gateway: GatewayDiscoveryModel.DiscoveredGateway) -> GatewayTLSParams? {
+        let stableID = gateway.stableID
+        let stored = GatewayTLSStore.loadFingerprint(stableID: stableID)
+
+        if gateway.tlsEnabled || gateway.tlsFingerprintSha256 != nil || stored != nil {
+            return GatewayTLSParams(
+                required: true,
+                expectedFingerprint: gateway.tlsFingerprintSha256 ?? stored,
+                allowTOFU: stored == nil,
+                storeKey: stableID)
+        }
+
+        return nil
+    }
+
+    private func resolveManualTLSParams(stableID: String, tlsEnabled: Bool) -> GatewayTLSParams? {
+        let stored = GatewayTLSStore.loadFingerprint(stableID: stableID)
+        if tlsEnabled || stored != nil {
+            return GatewayTLSParams(
+                required: true,
+                expectedFingerprint: stored,
+                allowTOFU: stored == nil,
+                storeKey: stableID)
+        }
+
+        return nil
+    }
+
+    private func resolveGatewayHost(_ gateway: GatewayDiscoveryModel.DiscoveredGateway) -> String? {
+        if let lanHost = gateway.lanHost?.trimmingCharacters(in: .whitespacesAndNewlines), !lanHost.isEmpty {
+            return lanHost
+        }
+        if let tailnet = gateway.tailnetDns?.trimmingCharacters(in: .whitespacesAndNewlines), !tailnet.isEmpty {
+            return tailnet
+        }
+        return nil
+    }
+
+    private func buildGatewayURL(host: String, port: Int, useTLS: Bool) -> URL? {
+        let scheme = useTLS ? "wss" : "ws"
+        var components = URLComponents()
+        components.scheme = scheme
+        components.host = host
+        components.port = port
+        return components.url
+    }
+
+    private func manualStableID(host: String, port: Int) -> String {
+        "manual|\(host.lowercased())|\(port)"
+    }
+
+    private func makeConnectOptions() -> GatewayConnectOptions {
+        let defaults = UserDefaults.standard
+        let displayName = self.resolvedDisplayName(defaults: defaults)
+
+        return GatewayConnectOptions(
+            role: "node",
+            scopes: [],
+            caps: self.currentCaps(),
+            commands: self.currentCommands(),
+            permissions: [:],
+            clientId: "clawdbot-ios",
+            clientMode: "node",
+            clientDisplayName: displayName)
+    }
+
+    private func resolvedDisplayName(defaults: UserDefaults) -> String {
+        let key = "node.displayName"
+        let existing = defaults.string(forKey: key)?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        if !existing.isEmpty, existing != "iOS Node" { return existing }
+
+        let deviceName = UIDevice.current.name.trimmingCharacters(in: .whitespacesAndNewlines)
+        let candidate = deviceName.isEmpty ? "iOS Node" : deviceName
+
+        if existing.isEmpty || existing == "iOS Node" {
+            defaults.set(candidate, forKey: key)
+        }
+
+        return candidate
+    }
+
+    private func currentCaps() -> [String] {
+        var caps = [ClawdbotCapability.canvas.rawValue, ClawdbotCapability.screen.rawValue]
+
+        // Default-on: if the key doesn't exist yet, treat it as enabled.
+        let cameraEnabled =
+            UserDefaults.standard.object(forKey: "camera.enabled") == nil
+                ? true
+                : UserDefaults.standard.bool(forKey: "camera.enabled")
+        if cameraEnabled { caps.append(ClawdbotCapability.camera.rawValue) }
+
+        let voiceWakeEnabled = UserDefaults.standard.bool(forKey: VoiceWakePreferences.enabledKey)
+        if voiceWakeEnabled { caps.append(ClawdbotCapability.voiceWake.rawValue) }
+
+        let locationModeRaw = UserDefaults.standard.string(forKey: "location.enabledMode") ?? "off"
+        let locationMode = ClawdbotLocationMode(rawValue: locationModeRaw) ?? .off
+        if locationMode != .off { caps.append(ClawdbotCapability.location.rawValue) }
+
+        return caps
+    }
+
+    private func currentCommands() -> [String] {
+        var commands: [String] = [
+            ClawdbotCanvasCommand.present.rawValue,
+            ClawdbotCanvasCommand.hide.rawValue,
+            ClawdbotCanvasCommand.navigate.rawValue,
+            ClawdbotCanvasCommand.evalJS.rawValue,
+            ClawdbotCanvasCommand.snapshot.rawValue,
+            ClawdbotCanvasA2UICommand.push.rawValue,
+            ClawdbotCanvasA2UICommand.pushJSONL.rawValue,
+            ClawdbotCanvasA2UICommand.reset.rawValue,
+            ClawdbotScreenCommand.record.rawValue,
+            ClawdbotSystemCommand.notify.rawValue,
+            ClawdbotSystemCommand.which.rawValue,
+            ClawdbotSystemCommand.run.rawValue,
+            ClawdbotSystemCommand.execApprovalsGet.rawValue,
+            ClawdbotSystemCommand.execApprovalsSet.rawValue,
+        ]
+
+        let caps = Set(self.currentCaps())
+        if caps.contains(ClawdbotCapability.camera.rawValue) {
+            commands.append(ClawdbotCameraCommand.list.rawValue)
+            commands.append(ClawdbotCameraCommand.snap.rawValue)
+            commands.append(ClawdbotCameraCommand.clip.rawValue)
+        }
+        if caps.contains(ClawdbotCapability.location.rawValue) {
+            commands.append(ClawdbotLocationCommand.get.rawValue)
+        }
+
+        return commands
+    }
+
+    private func platformString() -> String {
+        let v = ProcessInfo.processInfo.operatingSystemVersion
+        let name = switch UIDevice.current.userInterfaceIdiom {
+        case .pad:
+            "iPadOS"
+        case .phone:
+            "iOS"
+        default:
+            "iOS"
+        }
+        return "\(name) \(v.majorVersion).\(v.minorVersion).\(v.patchVersion)"
+    }
+
+    private func deviceFamily() -> String {
+        switch UIDevice.current.userInterfaceIdiom {
+        case .pad:
+            "iPad"
+        case .phone:
+            "iPhone"
+        default:
+            "iOS"
+        }
+    }
+
+    private func modelIdentifier() -> String {
+        var systemInfo = utsname()
+        uname(&systemInfo)
+        let machine = withUnsafeBytes(of: &systemInfo.machine) { ptr in
+            String(bytes: ptr.prefix { $0 != 0 }, encoding: .utf8)
+        }
+        let trimmed = machine?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        return trimmed.isEmpty ? "unknown" : trimmed
+    }
+
+    private func appVersion() -> String {
+        Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "dev"
+    }
+}
+
+#if DEBUG
+extension GatewayConnectionController {
+    func _test_resolvedDisplayName(defaults: UserDefaults) -> String {
+        self.resolvedDisplayName(defaults: defaults)
+    }
+
+    func _test_currentCaps() -> [String] {
+        self.currentCaps()
+    }
+
+    func _test_currentCommands() -> [String] {
+        self.currentCommands()
+    }
+
+    func _test_platformString() -> String {
+        self.platformString()
+    }
+
+    func _test_deviceFamily() -> String {
+        self.deviceFamily()
+    }
+
+    func _test_modelIdentifier() -> String {
+        self.modelIdentifier()
+    }
+
+    func _test_appVersion() -> String {
+        self.appVersion()
+    }
+
+    func _test_setGateways(_ gateways: [GatewayDiscoveryModel.DiscoveredGateway]) {
+        self.gateways = gateways
+    }
+
+    func _test_triggerAutoConnect() {
+        self.maybeAutoConnect()
+    }
+}
+#endif

apps/ios/Sources/Gateway/GatewayDiscoveryDebugLogView.swift

@@ -0,0 +1,68 @@
+import SwiftUI
+import UIKit
+
+struct GatewayDiscoveryDebugLogView: View {
+    @Environment(GatewayConnectionController.self) private var gatewayController
+    @AppStorage("gateway.discovery.debugLogs") private var debugLogsEnabled: Bool = false
+
+    var body: some View {
+        List {
+            if !self.debugLogsEnabled {
+                Text("Enable “Discovery Debug Logs” to start collecting events.")
+                    .foregroundStyle(.secondary)
+            }
+
+            if self.gatewayController.discoveryDebugLog.isEmpty {
+                Text("No log entries yet.")
+                    .foregroundStyle(.secondary)
+            } else {
+                ForEach(self.gatewayController.discoveryDebugLog) { entry in
+                    VStack(alignment: .leading, spacing: 2) {
+                        Text(Self.formatTime(entry.ts))
+                            .font(.caption)
+                            .foregroundStyle(.secondary)
+                        Text(entry.message)
+                            .font(.callout)
+                            .textSelection(.enabled)
+                    }
+                    .padding(.vertical, 4)
+                }
+            }
+        }
+        .navigationTitle("Discovery Logs")
+        .toolbar {
+            ToolbarItem(placement: .topBarTrailing) {
+                Button("Copy") {
+                    UIPasteboard.general.string = self.formattedLog()
+                }
+                .disabled(self.gatewayController.discoveryDebugLog.isEmpty)
+            }
+        }
+    }
+
+    private func formattedLog() -> String {
+        self.gatewayController.discoveryDebugLog
+            .map { "\(Self.formatISO($0.ts)) \($0.message)" }
+            .joined(separator: "\n")
+    }
+
+    private static let timeFormatter: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "HH:mm:ss"
+        return formatter
+    }()
+
+    private static let isoFormatter: ISO8601DateFormatter = {
+        let formatter = ISO8601DateFormatter()
+        formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
+        return formatter
+    }()
+
+    private static func formatTime(_ date: Date) -> String {
+        self.timeFormatter.string(from: date)
+    }
+
+    private static func formatISO(_ date: Date) -> String {
+        self.isoFormatter.string(from: date)
+    }
+}

apps/ios/Sources/Gateway/GatewayDiscoveryModel.swift

@@ -0,0 +1,224 @@
+import ClawdbotKit
+import Foundation
+import Network
+import Observation
+
+@MainActor
+@Observable
+final class GatewayDiscoveryModel {
+    struct DebugLogEntry: Identifiable, Equatable {
+        var id = UUID()
+        var ts: Date
+        var message: String
+    }
+
+    struct DiscoveredGateway: Identifiable, Equatable {
+        var id: String { self.stableID }
+        var name: String
+        var endpoint: NWEndpoint
+        var stableID: String
+        var debugID: String
+        var lanHost: String?
+        var tailnetDns: String?
+        var gatewayPort: Int?
+        var canvasPort: Int?
+        var tlsEnabled: Bool
+        var tlsFingerprintSha256: String?
+        var cliPath: String?
+    }
+
+    var gateways: [DiscoveredGateway] = []
+    var statusText: String = "Idle"
+    private(set) var debugLog: [DebugLogEntry] = []
+
+    private var browsers: [String: NWBrowser] = [:]
+    private var gatewaysByDomain: [String: [DiscoveredGateway]] = [:]
+    private var statesByDomain: [String: NWBrowser.State] = [:]
+    private var debugLoggingEnabled = false
+    private var lastStableIDs = Set<String>()
+
+    func setDebugLoggingEnabled(_ enabled: Bool) {
+        let wasEnabled = self.debugLoggingEnabled
+        self.debugLoggingEnabled = enabled
+        if !enabled {
+            self.debugLog = []
+        } else if !wasEnabled {
+            self.appendDebugLog("debug logging enabled")
+            self.appendDebugLog("snapshot: status=\(self.statusText) gateways=\(self.gateways.count)")
+        }
+    }
+
+    func start() {
+        if !self.browsers.isEmpty { return }
+        self.appendDebugLog("start()")
+
+        for domain in ClawdbotBonjour.gatewayServiceDomains {
+            let params = NWParameters.tcp
+            params.includePeerToPeer = true
+            let browser = NWBrowser(
+                for: .bonjour(type: ClawdbotBonjour.gatewayServiceType, domain: domain),
+                using: params)
+
+            browser.stateUpdateHandler = { [weak self] state in
+                Task { @MainActor in
+                    guard let self else { return }
+                    self.statesByDomain[domain] = state
+                    self.updateStatusText()
+                    self.appendDebugLog("state[\(domain)]: \(Self.prettyState(state))")
+                }
+            }
+
+            browser.browseResultsChangedHandler = { [weak self] results, _ in
+                Task { @MainActor in
+                    guard let self else { return }
+                    self.gatewaysByDomain[domain] = results.compactMap { result -> DiscoveredGateway? in
+                        switch result.endpoint {
+                        case let .service(name, _, _, _):
+                            let decodedName = BonjourEscapes.decode(name)
+                            let txt = result.endpoint.txtRecord?.dictionary ?? [:]
+                            let advertisedName = txt["displayName"]
+                            let prettyAdvertised = advertisedName
+                                .map(Self.prettifyInstanceName)
+                                .flatMap { $0.isEmpty ? nil : $0 }
+                            let prettyName = prettyAdvertised ?? Self.prettifyInstanceName(decodedName)
+                            return DiscoveredGateway(
+                                name: prettyName,
+                                endpoint: result.endpoint,
+                                stableID: GatewayEndpointID.stableID(result.endpoint),
+                                debugID: GatewayEndpointID.prettyDescription(result.endpoint),
+                                lanHost: Self.txtValue(txt, key: "lanHost"),
+                                tailnetDns: Self.txtValue(txt, key: "tailnetDns"),
+                                gatewayPort: Self.txtIntValue(txt, key: "gatewayPort"),
+                                canvasPort: Self.txtIntValue(txt, key: "canvasPort"),
+                                tlsEnabled: Self.txtBoolValue(txt, key: "gatewayTls"),
+                                tlsFingerprintSha256: Self.txtValue(txt, key: "gatewayTlsSha256"),
+                                cliPath: Self.txtValue(txt, key: "cliPath"))
+                        default:
+                            return nil
+                        }
+                    }
+                    .sorted { $0.name.localizedCaseInsensitiveCompare($1.name) == .orderedAscending }
+
+                    self.recomputeGateways()
+                }
+            }
+
+            self.browsers[domain] = browser
+            browser.start(queue: DispatchQueue(label: "com.clawdbot.ios.gateway-discovery.\(domain)"))
+        }
+    }
+
+    func stop() {
+        self.appendDebugLog("stop()")
+        for browser in self.browsers.values {
+            browser.cancel()
+        }
+        self.browsers = [:]
+        self.gatewaysByDomain = [:]
+        self.statesByDomain = [:]
+        self.gateways = []
+        self.statusText = "Stopped"
+    }
+
+    private func recomputeGateways() {
+        let next = self.gatewaysByDomain.values
+            .flatMap(\.self)
+            .sorted { $0.name.localizedCaseInsensitiveCompare($1.name) == .orderedAscending }
+
+        let nextIDs = Set(next.map(\.stableID))
+        let added = nextIDs.subtracting(self.lastStableIDs)
+        let removed = self.lastStableIDs.subtracting(nextIDs)
+        if !added.isEmpty || !removed.isEmpty {
+            self.appendDebugLog("results: total=\(next.count) added=\(added.count) removed=\(removed.count)")
+        }
+        self.lastStableIDs = nextIDs
+        self.gateways = next
+    }
+
+    private func updateStatusText() {
+        let states = Array(self.statesByDomain.values)
+        if states.isEmpty {
+            self.statusText = self.browsers.isEmpty ? "Idle" : "Setup"
+            return
+        }
+
+        if let failed = states.first(where: { state in
+            if case .failed = state { return true }
+            return false
+        }) {
+            if case let .failed(err) = failed {
+                self.statusText = "Failed: \(err)"
+                return
+            }
+        }
+
+        if let waiting = states.first(where: { state in
+            if case .waiting = state { return true }
+            return false
+        }) {
+            if case let .waiting(err) = waiting {
+                self.statusText = "Waiting: \(err)"
+                return
+            }
+        }
+
+        if states.contains(where: { if case .ready = $0 { true } else { false } }) {
+            self.statusText = "Searching…"
+            return
+        }
+
+        if states.contains(where: { if case .setup = $0 { true } else { false } }) {
+            self.statusText = "Setup"
+            return
+        }
+
+        self.statusText = "Searching…"
+    }
+
+    private static func prettyState(_ state: NWBrowser.State) -> String {
+        switch state {
+        case .setup:
+            "setup"
+        case .ready:
+            "ready"
+        case let .failed(err):
+            "failed (\(err))"
+        case .cancelled:
+            "cancelled"
+        case let .waiting(err):
+            "waiting (\(err))"
+        @unknown default:
+            "unknown"
+        }
+    }
+
+    private func appendDebugLog(_ message: String) {
+        guard self.debugLoggingEnabled else { return }
+        self.debugLog.append(DebugLogEntry(ts: Date(), message: message))
+        if self.debugLog.count > 200 {
+            self.debugLog.removeFirst(self.debugLog.count - 200)
+        }
+    }
+
+    private static func prettifyInstanceName(_ decodedName: String) -> String {
+        let normalized = decodedName.split(whereSeparator: \.isWhitespace).joined(separator: " ")
+        let stripped = normalized.replacingOccurrences(of: " (Clawdbot)", with: "")
+            .replacingOccurrences(of: #"\s+\(\d+\)$"#, with: "", options: .regularExpression)
+        return stripped.trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    private static func txtValue(_ dict: [String: String], key: String) -> String? {
+        let raw = dict[key]?.trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        return raw.isEmpty ? nil : raw
+    }
+
+    private static func txtIntValue(_ dict: [String: String], key: String) -> Int? {
+        guard let raw = self.txtValue(dict, key: key) else { return nil }
+        return Int(raw)
+    }
+
+    private static func txtBoolValue(_ dict: [String: String], key: String) -> Bool {
+        guard let raw = self.txtValue(dict, key: key)?.lowercased() else { return false }
+        return raw == "1" || raw == "true" || raw == "yes"
+    }
+}

apps/ios/Sources/Gateway/GatewaySettingsStore.swift

@@ -0,0 +1,220 @@
+import Foundation
+
+enum GatewaySettingsStore {
+    private static let gatewayService = "com.clawdbot.gateway"
+    private static let legacyBridgeService = "com.clawdbot.bridge"
+    private static let nodeService = "com.clawdbot.node"
+
+    private static let instanceIdDefaultsKey = "node.instanceId"
+    private static let preferredGatewayStableIDDefaultsKey = "gateway.preferredStableID"
+    private static let lastDiscoveredGatewayStableIDDefaultsKey = "gateway.lastDiscoveredStableID"
+    private static let manualEnabledDefaultsKey = "gateway.manual.enabled"
+    private static let manualHostDefaultsKey = "gateway.manual.host"
+    private static let manualPortDefaultsKey = "gateway.manual.port"
+    private static let manualTlsDefaultsKey = "gateway.manual.tls"
+    private static let discoveryDebugLogsDefaultsKey = "gateway.discovery.debugLogs"
+
+    private static let legacyPreferredBridgeStableIDDefaultsKey = "bridge.preferredStableID"
+    private static let legacyLastDiscoveredBridgeStableIDDefaultsKey = "bridge.lastDiscoveredStableID"
+    private static let legacyManualEnabledDefaultsKey = "bridge.manual.enabled"
+    private static let legacyManualHostDefaultsKey = "bridge.manual.host"
+    private static let legacyManualPortDefaultsKey = "bridge.manual.port"
+    private static let legacyDiscoveryDebugLogsDefaultsKey = "bridge.discovery.debugLogs"
+
+    private static let instanceIdAccount = "instanceId"
+    private static let preferredGatewayStableIDAccount = "preferredStableID"
+    private static let lastDiscoveredGatewayStableIDAccount = "lastDiscoveredStableID"
+
+    static func bootstrapPersistence() {
+        self.ensureStableInstanceID()
+        self.ensurePreferredGatewayStableID()
+        self.ensureLastDiscoveredGatewayStableID()
+        self.migrateLegacyDefaults()
+    }
+
+    static func loadStableInstanceID() -> String? {
+        KeychainStore.loadString(service: self.nodeService, account: self.instanceIdAccount)?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    static func saveStableInstanceID(_ instanceId: String) {
+        _ = KeychainStore.saveString(instanceId, service: self.nodeService, account: self.instanceIdAccount)
+    }
+
+    static func loadPreferredGatewayStableID() -> String? {
+        KeychainStore.loadString(service: self.gatewayService, account: self.preferredGatewayStableIDAccount)?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    static func savePreferredGatewayStableID(_ stableID: String) {
+        _ = KeychainStore.saveString(
+            stableID,
+            service: self.gatewayService,
+            account: self.preferredGatewayStableIDAccount)
+    }
+
+    static func loadLastDiscoveredGatewayStableID() -> String? {
+        KeychainStore.loadString(service: self.gatewayService, account: self.lastDiscoveredGatewayStableIDAccount)?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    static func saveLastDiscoveredGatewayStableID(_ stableID: String) {
+        _ = KeychainStore.saveString(
+            stableID,
+            service: self.gatewayService,
+            account: self.lastDiscoveredGatewayStableIDAccount)
+    }
+
+    static func loadGatewayToken(instanceId: String) -> String? {
+        let account = self.gatewayTokenAccount(instanceId: instanceId)
+        let token = KeychainStore.loadString(service: self.gatewayService, account: account)?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+        if token?.isEmpty == false { return token }
+
+        let legacyAccount = self.legacyBridgeTokenAccount(instanceId: instanceId)
+        let legacy = KeychainStore.loadString(service: self.legacyBridgeService, account: legacyAccount)?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+        if let legacy, !legacy.isEmpty {
+            _ = KeychainStore.saveString(legacy, service: self.gatewayService, account: account)
+            return legacy
+        }
+        return nil
+    }
+
+    static func saveGatewayToken(_ token: String, instanceId: String) {
+        _ = KeychainStore.saveString(
+            token,
+            service: self.gatewayService,
+            account: self.gatewayTokenAccount(instanceId: instanceId))
+    }
+
+    static func loadGatewayPassword(instanceId: String) -> String? {
+        KeychainStore.loadString(service: self.gatewayService, account: self.gatewayPasswordAccount(instanceId: instanceId))?
+            .trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    static func saveGatewayPassword(_ password: String, instanceId: String) {
+        _ = KeychainStore.saveString(
+            password,
+            service: self.gatewayService,
+            account: self.gatewayPasswordAccount(instanceId: instanceId))
+    }
+
+    private static func gatewayTokenAccount(instanceId: String) -> String {
+        "gateway-token.\(instanceId)"
+    }
+
+    private static func legacyBridgeTokenAccount(instanceId: String) -> String {
+        "bridge-token.\(instanceId)"
+    }
+
+    private static func gatewayPasswordAccount(instanceId: String) -> String {
+        "gateway-password.\(instanceId)"
+    }
+
+    private static func ensureStableInstanceID() {
+        let defaults = UserDefaults.standard
+
+        if let existing = defaults.string(forKey: self.instanceIdDefaultsKey)?
+            .trimmingCharacters(in: .whitespacesAndNewlines),
+            !existing.isEmpty
+        {
+            if self.loadStableInstanceID() == nil {
+                self.saveStableInstanceID(existing)
+            }
+            return
+        }
+
+        if let stored = self.loadStableInstanceID(), !stored.isEmpty {
+            defaults.set(stored, forKey: self.instanceIdDefaultsKey)
+            return
+        }
+
+        let fresh = UUID().uuidString
+        self.saveStableInstanceID(fresh)
+        defaults.set(fresh, forKey: self.instanceIdDefaultsKey)
+    }
+
+    private static func ensurePreferredGatewayStableID() {
+        let defaults = UserDefaults.standard
+
+        if let existing = defaults.string(forKey: self.preferredGatewayStableIDDefaultsKey)?
+            .trimmingCharacters(in: .whitespacesAndNewlines),
+            !existing.isEmpty
+        {
+            if self.loadPreferredGatewayStableID() == nil {
+                self.savePreferredGatewayStableID(existing)
+            }
+            return
+        }
+
+        if let stored = self.loadPreferredGatewayStableID(), !stored.isEmpty {
+            defaults.set(stored, forKey: self.preferredGatewayStableIDDefaultsKey)
+        }
+    }
+
+    private static func ensureLastDiscoveredGatewayStableID() {
+        let defaults = UserDefaults.standard
+
+        if let existing = defaults.string(forKey: self.lastDiscoveredGatewayStableIDDefaultsKey)?
+            .trimmingCharacters(in: .whitespacesAndNewlines),
+            !existing.isEmpty
+        {
+            if self.loadLastDiscoveredGatewayStableID() == nil {
+                self.saveLastDiscoveredGatewayStableID(existing)
+            }
+            return
+        }
+
+        if let stored = self.loadLastDiscoveredGatewayStableID(), !stored.isEmpty {
+            defaults.set(stored, forKey: self.lastDiscoveredGatewayStableIDDefaultsKey)
+        }
+    }
+
+    private static func migrateLegacyDefaults() {
+        let defaults = UserDefaults.standard
+
+        if defaults.string(forKey: self.preferredGatewayStableIDDefaultsKey)?.isEmpty != false,
+           let legacy = defaults.string(forKey: self.legacyPreferredBridgeStableIDDefaultsKey),
+           !legacy.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
+        {
+            defaults.set(legacy, forKey: self.preferredGatewayStableIDDefaultsKey)
+            self.savePreferredGatewayStableID(legacy)
+        }
+
+        if defaults.string(forKey: self.lastDiscoveredGatewayStableIDDefaultsKey)?.isEmpty != false,
+           let legacy = defaults.string(forKey: self.legacyLastDiscoveredBridgeStableIDDefaultsKey),
+           !legacy.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
+        {
+            defaults.set(legacy, forKey: self.lastDiscoveredGatewayStableIDDefaultsKey)
+            self.saveLastDiscoveredGatewayStableID(legacy)
+        }
+
+        if defaults.object(forKey: self.manualEnabledDefaultsKey) == nil,
+           defaults.object(forKey: self.legacyManualEnabledDefaultsKey) != nil
+        {
+            defaults.set(defaults.bool(forKey: self.legacyManualEnabledDefaultsKey), forKey: self.manualEnabledDefaultsKey)
+        }
+
+        if defaults.string(forKey: self.manualHostDefaultsKey)?.isEmpty != false,
+           let legacy = defaults.string(forKey: self.legacyManualHostDefaultsKey),
+           !legacy.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
+        {
+            defaults.set(legacy, forKey: self.manualHostDefaultsKey)
+        }
+
+        if defaults.integer(forKey: self.manualPortDefaultsKey) == 0,
+           defaults.integer(forKey: self.legacyManualPortDefaultsKey) > 0
+        {
+            defaults.set(defaults.integer(forKey: self.legacyManualPortDefaultsKey), forKey: self.manualPortDefaultsKey)
+        }
+
+        if defaults.object(forKey: self.discoveryDebugLogsDefaultsKey) == nil,
+           defaults.object(forKey: self.legacyDiscoveryDebugLogsDefaultsKey) != nil
+        {
+            defaults.set(
+                defaults.bool(forKey: self.legacyDiscoveryDebugLogsDefaultsKey),
+                forKey: self.discoveryDebugLogsDefaultsKey)
+        }
+    }
+}

apps/ios/Sources/Gateway/KeychainStore.swift

@@ -0,0 +1,48 @@
+import Foundation
+import Security
+
+enum KeychainStore {
+    static func loadString(service: String, account: String) -> String? {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account,
+            kSecReturnData as String: true,
+            kSecMatchLimit as String: kSecMatchLimitOne,
+        ]
+
+        var item: CFTypeRef?
+        let status = SecItemCopyMatching(query as CFDictionary, &item)
+        guard status == errSecSuccess, let data = item as? Data else { return nil }
+        return String(data: data, encoding: .utf8)
+    }
+
+    static func saveString(_ value: String, service: String, account: String) -> Bool {
+        let data = Data(value.utf8)
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account,
+        ]
+
+        let update: [String: Any] = [kSecValueData as String: data]
+        let status = SecItemUpdate(query as CFDictionary, update as CFDictionary)
+        if status == errSecSuccess { return true }
+        if status != errSecItemNotFound { return false }
+
+        var insert = query
+        insert[kSecValueData as String] = data
+        insert[kSecAttrAccessible as String] = kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly
+        return SecItemAdd(insert as CFDictionary, nil) == errSecSuccess
+    }
+
+    static func delete(service: String, account: String) -> Bool {
+        let query: [String: Any] = [
+            kSecClass as String: kSecClassGenericPassword,
+            kSecAttrService as String: service,
+            kSecAttrAccount as String: account,
+        ]
+        let status = SecItemDelete(query as CFDictionary)
+        return status == errSecSuccess || status == errSecItemNotFound
+    }
+}