398 lines
16 KiB
Swift
398 lines
16 KiB
Swift
import ClawdisKit
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import Network
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import Observation
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import SwiftUI
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@MainActor
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@Observable
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final class NodeAppModel {
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var isBackgrounded: Bool = false
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let screen = ScreenController()
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let camera = CameraController()
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var bridgeStatusText: String = "Offline"
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var bridgeServerName: String?
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var bridgeRemoteAddress: String?
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var connectedBridgeID: String?
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private let bridge = BridgeSession()
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private var bridgeTask: Task<Void, Never>?
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private var voiceWakeSyncTask: Task<Void, Never>?
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let voiceWake = VoiceWakeManager()
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var bridgeSession: BridgeSession { self.bridge }
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init() {
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self.voiceWake.configure { [weak self] cmd in
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guard let self else { return }
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let nodeId = UserDefaults.standard.string(forKey: "node.instanceId") ?? "ios-node"
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let sessionKey = "node-\(nodeId)"
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do {
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try await self.sendVoiceTranscript(text: cmd, sessionKey: sessionKey)
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} catch {
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// Best-effort only.
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}
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}
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let enabled = UserDefaults.standard.bool(forKey: "voiceWake.enabled")
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self.voiceWake.setEnabled(enabled)
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// Wire up deep links from canvas taps
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self.screen.onDeepLink = { [weak self] url in
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guard let self else { return }
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Task { @MainActor in
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await self.handleDeepLink(url: url)
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}
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}
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}
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func setScenePhase(_ phase: ScenePhase) {
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switch phase {
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case .background:
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self.isBackgrounded = true
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case .active, .inactive:
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self.isBackgrounded = false
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@unknown default:
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self.isBackgrounded = false
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}
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}
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func setVoiceWakeEnabled(_ enabled: Bool) {
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self.voiceWake.setEnabled(enabled)
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}
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func connectToBridge(
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endpoint: NWEndpoint,
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hello: BridgeHello)
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{
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self.bridgeTask?.cancel()
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self.bridgeServerName = nil
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self.bridgeRemoteAddress = nil
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self.connectedBridgeID = BridgeEndpointID.stableID(endpoint)
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self.voiceWakeSyncTask?.cancel()
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self.voiceWakeSyncTask = nil
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self.bridgeTask = Task {
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var attempt = 0
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while !Task.isCancelled {
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await MainActor.run {
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if attempt == 0 {
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self.bridgeStatusText = "Connecting…"
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} else {
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self.bridgeStatusText = "Reconnecting…"
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}
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self.bridgeServerName = nil
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self.bridgeRemoteAddress = nil
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}
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do {
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try await self.bridge.connect(
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endpoint: endpoint,
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hello: hello,
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onConnected: { [weak self] serverName in
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guard let self else { return }
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await MainActor.run {
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self.bridgeStatusText = "Connected"
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self.bridgeServerName = serverName
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}
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if let addr = await self.bridge.currentRemoteAddress() {
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await MainActor.run {
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self.bridgeRemoteAddress = addr
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}
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}
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await self.startVoiceWakeSync()
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},
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onInvoke: { [weak self] req in
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guard let self else {
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return BridgeInvokeResponse(
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id: req.id,
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ok: false,
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error: ClawdisNodeError(code: .unavailable, message: "UNAVAILABLE: node not ready"))
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}
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return await self.handleInvoke(req)
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})
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if Task.isCancelled { break }
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attempt += 1
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let sleepSeconds = min(6.0, 0.35 * pow(1.7, Double(attempt)))
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try? await Task.sleep(nanoseconds: UInt64(sleepSeconds * 1_000_000_000))
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} catch {
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if Task.isCancelled { break }
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attempt += 1
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await MainActor.run {
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self.bridgeStatusText = "Bridge error: \(error.localizedDescription)"
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self.bridgeServerName = nil
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self.bridgeRemoteAddress = nil
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}
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let sleepSeconds = min(8.0, 0.5 * pow(1.7, Double(attempt)))
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try? await Task.sleep(nanoseconds: UInt64(sleepSeconds * 1_000_000_000))
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}
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}
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await MainActor.run {
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self.bridgeStatusText = "Offline"
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self.bridgeServerName = nil
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self.bridgeRemoteAddress = nil
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self.connectedBridgeID = nil
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}
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}
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}
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func disconnectBridge() {
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self.bridgeTask?.cancel()
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self.bridgeTask = nil
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self.voiceWakeSyncTask?.cancel()
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self.voiceWakeSyncTask = nil
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Task { await self.bridge.disconnect() }
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self.bridgeStatusText = "Offline"
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self.bridgeServerName = nil
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self.bridgeRemoteAddress = nil
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self.connectedBridgeID = nil
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}
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func setGlobalWakeWords(_ words: [String]) async {
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let sanitized = VoiceWakePreferences.sanitizeTriggerWords(words)
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struct Payload: Codable {
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var triggers: [String]
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}
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let payload = Payload(triggers: sanitized)
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guard let data = try? JSONEncoder().encode(payload),
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let json = String(data: data, encoding: .utf8)
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else { return }
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do {
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_ = try await self.bridge.request(method: "voicewake.set", paramsJSON: json, timeoutSeconds: 12)
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} catch {
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// Best-effort only.
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}
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}
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private func startVoiceWakeSync() async {
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self.voiceWakeSyncTask?.cancel()
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self.voiceWakeSyncTask = Task { [weak self] in
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guard let self else { return }
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await self.refreshWakeWordsFromGateway()
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let stream = await self.bridge.subscribeServerEvents(bufferingNewest: 200)
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for await evt in stream {
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if Task.isCancelled { return }
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guard evt.event == "voicewake.changed" else { continue }
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guard let payloadJSON = evt.payloadJSON else { continue }
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guard let triggers = VoiceWakePreferences.decodeGatewayTriggers(from: payloadJSON) else { continue }
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VoiceWakePreferences.saveTriggerWords(triggers)
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}
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}
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}
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private func refreshWakeWordsFromGateway() async {
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do {
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let data = try await self.bridge.request(method: "voicewake.get", paramsJSON: "{}", timeoutSeconds: 8)
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guard let triggers = VoiceWakePreferences.decodeGatewayTriggers(from: data) else { return }
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VoiceWakePreferences.saveTriggerWords(triggers)
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} catch {
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// Best-effort only.
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}
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}
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func sendVoiceTranscript(text: String, sessionKey: String?) async throws {
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struct Payload: Codable {
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var text: String
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var sessionKey: String?
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}
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let payload = Payload(text: text, sessionKey: sessionKey)
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let data = try JSONEncoder().encode(payload)
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guard let json = String(bytes: data, encoding: .utf8) else {
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throw NSError(domain: "NodeAppModel", code: 1, userInfo: [
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NSLocalizedDescriptionKey: "Failed to encode voice transcript payload as UTF-8",
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])
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}
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try await self.bridge.sendEvent(event: "voice.transcript", payloadJSON: json)
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}
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func handleDeepLink(url: URL) async {
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guard let route = DeepLinkParser.parse(url) else { return }
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switch route {
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case let .agent(link):
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await self.handleAgentDeepLink(link, originalURL: url)
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}
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}
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private func handleAgentDeepLink(_ link: AgentDeepLink, originalURL: URL) async {
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let message = link.message.trimmingCharacters(in: .whitespacesAndNewlines)
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guard !message.isEmpty else { return }
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if message.count > 20000 {
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self.screen.errorText = "Deep link too large (message exceeds 20,000 characters)."
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return
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}
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guard await self.isBridgeConnected() else {
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self.screen.errorText = "Bridge not connected (cannot forward deep link)."
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return
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}
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do {
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try await self.sendAgentRequest(link: link)
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self.screen.errorText = nil
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} catch {
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self.screen.errorText = "Agent request failed: \(error.localizedDescription)"
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}
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}
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private func sendAgentRequest(link: AgentDeepLink) async throws {
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if link.message.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
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throw NSError(domain: "DeepLink", code: 1, userInfo: [
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NSLocalizedDescriptionKey: "invalid agent message",
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])
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}
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// iOS bridge forwards to the gateway; no local auth prompts here.
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// (Key-based unattended auth is handled on macOS for clawdis:// links.)
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let data = try JSONEncoder().encode(link)
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guard let json = String(bytes: data, encoding: .utf8) else {
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throw NSError(domain: "NodeAppModel", code: 2, userInfo: [
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NSLocalizedDescriptionKey: "Failed to encode agent request payload as UTF-8",
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])
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}
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try await self.bridge.sendEvent(event: "agent.request", payloadJSON: json)
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}
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private func isBridgeConnected() async -> Bool {
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if case .connected = await self.bridge.state { return true }
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return false
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}
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private func handleInvoke(_ req: BridgeInvokeRequest) async -> BridgeInvokeResponse {
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let command = req.command
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if command.hasPrefix("canvas.") || command.hasPrefix("camera."), self.isBackgrounded {
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return BridgeInvokeResponse(
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id: req.id,
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ok: false,
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error: ClawdisNodeError(
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code: .backgroundUnavailable,
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message: "NODE_BACKGROUND_UNAVAILABLE: canvas/camera commands require foreground"))
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}
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if command.hasPrefix("camera."), !self.isCameraEnabled() {
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return BridgeInvokeResponse(
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id: req.id,
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ok: false,
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error: ClawdisNodeError(
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code: .unavailable,
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message: "CAMERA_DISABLED: enable Camera in iOS Settings → Camera → Allow Camera"))
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}
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do {
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switch command {
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case ClawdisCanvasCommand.show.rawValue:
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return BridgeInvokeResponse(id: req.id, ok: true)
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case ClawdisCanvasCommand.hide.rawValue:
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return BridgeInvokeResponse(id: req.id, ok: true)
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case ClawdisCanvasCommand.setMode.rawValue:
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let params = try Self.decodeParams(ClawdisCanvasSetModeParams.self, from: req.paramsJSON)
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self.screen.setMode(params.mode)
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return BridgeInvokeResponse(id: req.id, ok: true)
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case ClawdisCanvasCommand.navigate.rawValue:
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let params = try Self.decodeParams(ClawdisCanvasNavigateParams.self, from: req.paramsJSON)
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self.screen.navigate(to: params.url)
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return BridgeInvokeResponse(id: req.id, ok: true)
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case ClawdisCanvasCommand.evalJS.rawValue:
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let params = try Self.decodeParams(ClawdisCanvasEvalParams.self, from: req.paramsJSON)
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let result = try await self.screen.eval(javaScript: params.javaScript)
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let payload = try Self.encodePayload(["result": result])
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return BridgeInvokeResponse(id: req.id, ok: true, payloadJSON: payload)
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case ClawdisCanvasCommand.snapshot.rawValue:
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let params = try? Self.decodeParams(ClawdisCanvasSnapshotParams.self, from: req.paramsJSON)
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let maxWidth = params?.maxWidth.map { CGFloat($0) }
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let base64 = try await self.screen.snapshotPNGBase64(maxWidth: maxWidth)
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let payload = try Self.encodePayload(["format": "png", "base64": base64])
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return BridgeInvokeResponse(id: req.id, ok: true, payloadJSON: payload)
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case ClawdisCameraCommand.snap.rawValue:
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let params = (try? Self.decodeParams(ClawdisCameraSnapParams.self, from: req.paramsJSON)) ??
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ClawdisCameraSnapParams()
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let res = try await self.camera.snap(params: params)
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struct Payload: Codable {
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var format: String
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var base64: String
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var width: Int
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var height: Int
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}
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let payload = try Self.encodePayload(Payload(
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format: res.format,
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base64: res.base64,
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width: res.width,
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height: res.height))
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return BridgeInvokeResponse(id: req.id, ok: true, payloadJSON: payload)
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case ClawdisCameraCommand.clip.rawValue:
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let params = (try? Self.decodeParams(ClawdisCameraClipParams.self, from: req.paramsJSON)) ??
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ClawdisCameraClipParams()
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let suspended = (params.includeAudio ?? true) ? self.voiceWake.suspendForExternalAudioCapture() : false
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defer { self.voiceWake.resumeAfterExternalAudioCapture(wasSuspended: suspended) }
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let res = try await self.camera.clip(params: params)
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struct Payload: Codable {
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var format: String
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var base64: String
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var durationMs: Int
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var hasAudio: Bool
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}
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let payload = try Self.encodePayload(Payload(
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format: res.format,
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base64: res.base64,
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durationMs: res.durationMs,
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hasAudio: res.hasAudio))
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return BridgeInvokeResponse(id: req.id, ok: true, payloadJSON: payload)
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default:
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return BridgeInvokeResponse(
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id: req.id,
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ok: false,
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error: ClawdisNodeError(code: .invalidRequest, message: "INVALID_REQUEST: unknown command"))
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}
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} catch {
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return BridgeInvokeResponse(
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id: req.id,
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ok: false,
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error: ClawdisNodeError(code: .unavailable, message: error.localizedDescription))
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}
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}
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private static func decodeParams<T: Decodable>(_ type: T.Type, from json: String?) throws -> T {
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guard let json, let data = json.data(using: .utf8) else {
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throw NSError(domain: "Bridge", code: 20, userInfo: [
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NSLocalizedDescriptionKey: "INVALID_REQUEST: paramsJSON required",
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])
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}
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return try JSONDecoder().decode(type, from: data)
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}
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private static func encodePayload(_ obj: some Encodable) throws -> String {
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let data = try JSONEncoder().encode(obj)
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guard let json = String(bytes: data, encoding: .utf8) else {
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throw NSError(domain: "NodeAppModel", code: 21, userInfo: [
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NSLocalizedDescriptionKey: "Failed to encode payload as UTF-8",
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])
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}
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return json
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}
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private func isCameraEnabled() -> Bool {
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// Default-on: if the key doesn't exist yet, treat it as enabled.
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if UserDefaults.standard.object(forKey: "camera.enabled") == nil { return true }
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return UserDefaults.standard.bool(forKey: "camera.enabled")
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}
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}
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