Темизация: adaptive цвета чата, context menu, attachment picker, auth + instant отклик DarkMode кнопки

2026-04-05 12:16:24 +05:00
parent a72a1bd6c9
commit d65624ad35
21 changed files with 803 additions and 159 deletions
--- a/Rosetta/Core/Network/Protocol/Packets/PacketSignalPeer.swift
+++ b/Rosetta/Core/Network/Protocol/Packets/PacketSignalPeer.swift
@@ -1,9 +1,10 @@
 import Foundation

 /// Call signaling packet (0x1A / 26).
-/// Wire format mirrors desktop/android:
-/// `signalType` always first, then short-form for busy/disconnected,
-/// otherwise `src`, `dst`, optional `sharedPublic`, optional `roomId`.
+/// Wire format mirrors server/desktop legacy signaling:
+/// `signalType` always first, then short-form for busy/disconnected/ringingTimeout,
+/// otherwise `src`, `dst`, optional `sharedPublic`, optional `callId/joinToken`,
+/// optional `roomId` for create-room fallback compatibility.
 enum SignalType: Int, Sendable {
    case call = 0
    case keyExchange = 1
@@ -12,6 +13,8 @@ enum SignalType: Int, Sendable {
    case createRoom = 4
    case endCallBecausePeerDisconnected = 5
    case endCallBecauseBusy = 6
+    case accept = 7
+    case ringingTimeout = 8
 }

 struct PacketSignalPeer: Packet {
@@ -21,11 +24,13 @@ struct PacketSignalPeer: Packet {
    var dst: String = ""
    var sharedPublic: String = ""
    var signalType: SignalType = .call
+    var callId: String = ""
+    var joinToken: String = ""
    var roomId: String = ""

    func write(to stream: Stream) {
        stream.writeInt8(signalType.rawValue)
-        if signalType == .endCallBecauseBusy || signalType == .endCallBecausePeerDisconnected {
+        if isShortSignal {
            return
        }
        stream.writeString(src)
@@ -33,14 +38,27 @@ struct PacketSignalPeer: Packet {
        if signalType == .keyExchange {
            stream.writeString(sharedPublic)
        }
-        if signalType == .createRoom {
+        if hasLegacyCallMetadata {
+            stream.writeString(callId)
+            stream.writeString(joinToken)
+        }
+        // Signal code 4 is mode-aware:
+        // - legacy ACTIVE: no roomId on wire
+        // - create-room fallback: roomId present on wire
+        if signalType == .createRoom && !roomId.isEmpty {
            stream.writeString(roomId)
        }
    }

    mutating func read(from stream: Stream) {
+        src = ""
+        dst = ""
+        sharedPublic = ""
+        callId = ""
+        joinToken = ""
+        roomId = ""
        signalType = SignalType(rawValue: stream.readInt8()) ?? .call
-        if signalType == .endCallBecauseBusy || signalType == .endCallBecausePeerDisconnected {
+        if isShortSignal {
            return
        }
        src = stream.readString()
@@ -48,8 +66,25 @@ struct PacketSignalPeer: Packet {
        if signalType == .keyExchange {
            sharedPublic = stream.readString()
        }
+        if hasLegacyCallMetadata {
+            callId = stream.readString()
+            joinToken = stream.readString()
+        }
+        // Signal code 4 is mode-aware on read:
+        // - empty roomId => legacy ACTIVE
+        // - non-empty roomId => create-room fallback
        if signalType == .createRoom {
            roomId = stream.readString()
        }
    }
+
+    private var isShortSignal: Bool {
+        signalType == .endCallBecauseBusy
+            || signalType == .endCallBecausePeerDisconnected
+            || signalType == .ringingTimeout
+    }
+
+    private var hasLegacyCallMetadata: Bool {
+        signalType == .call || signalType == .accept || signalType == .endCall
+    }
 }
--- a/Rosetta/Core/Network/Protocol/ProtocolManager.swift
+++ b/Rosetta/Core/Network/Protocol/ProtocolManager.swift
@@ -356,6 +356,8 @@ final class ProtocolManager: @unchecked Sendable {
        src: String = "",
        dst: String = "",
        sharedPublic: String = "",
+        callId: String = "",
+        joinToken: String = "",
        roomId: String = ""
    ) {
        var packet = PacketSignalPeer()
@@ -363,6 +365,8 @@ final class ProtocolManager: @unchecked Sendable {
        packet.src = src
        packet.dst = dst
        packet.sharedPublic = sharedPublic
+        packet.callId = callId
+        packet.joinToken = joinToken
        packet.roomId = roomId
        sendPacket(packet)
    }
--- a/Rosetta/Core/Services/CallManager+Runtime.swift
+++ b/Rosetta/Core/Services/CallManager+Runtime.swift
@@ -144,6 +144,10 @@ extension CallManager {

    func beginCallSession(peerPublicKey: String, title: String, username: String) {
        finishCall(reason: nil, notifyPeer: false)
+        signalingMode = .undecided
+        callId = ""
+        joinToken = ""
+        pendingIncomingAccept = false
        uiState = CallUiState(
            phase: .idle,
            peerPublicKey: peerPublicKey,
@@ -158,11 +162,14 @@ extension CallManager {
        guard !isFinishingCall, uiState.phase != .idle else { return }
        isFinishingCall = true
        pendingCallKitAccept = false
+        pendingIncomingAccept = false
        defer { isFinishingCall = false }

        callLogger.notice("[Call] finishCall(reason=\(reason ?? "nil", privacy: .public)) phase=\(self.uiState.phase.rawValue, privacy: .public)")

        let snapshot = uiState
+        let snapshotCallId = callId
+        let snapshotJoinToken = joinToken

        // Step 0: Cancel recovery/rebind tasks and clear packet buffer.
        disconnectRecoveryTask?.cancel()
@@ -221,7 +228,9 @@ extension CallManager {
            ProtocolManager.shared.sendCallSignal(
                signalType: .endCall,
                src: ownPublicKey,
-                dst: snapshot.peerPublicKey
+                dst: snapshot.peerPublicKey,
+                callId: snapshotCallId,
+                joinToken: snapshotJoinToken
            )
        }

@@ -244,7 +253,10 @@ extension CallManager {

        // Step 6: Reset all state.
        role = nil
+        signalingMode = .undecided
        roomId = ""
+        callId = ""
+        joinToken = ""
        localPrivateKey = nil
        localPublicKeyHex = ""
        sharedKey = nil
--- a/Rosetta/Core/Services/CallManager.swift
+++ b/Rosetta/Core/Services/CallManager.swift
@@ -18,7 +18,10 @@ final class CallManager: NSObject, ObservableObject {

    var ownPublicKey: String = ""
    var role: CallRole?
+    var signalingMode: CallSignalingMode = .undecided
    var roomId: String = ""
+    var callId: String = ""
+    var joinToken: String = ""
    var localPrivateKey: Curve25519.KeyAgreement.PrivateKey?
    var localPublicKeyHex: String = ""
    var sharedKey: Data?
@@ -49,6 +52,9 @@ final class CallManager: NSObject, ObservableObject {
    /// Pending accept: user tapped Accept on CallKit before WebSocket delivered .call signal.
    /// When handleSignalPacket(.call) arrives, auto-accept if this is true.
    var pendingCallKitAccept = false
+    /// Deferred incoming accept: user accepted, but call signaling metadata/mode is
+    /// not yet sufficient to send the next signal (legacy ACCEPT or create-room KEY_EXCHANGE).
+    var pendingIncomingAccept = false
    /// True after CallKit fires didActivate — audio session has the entitlement.
    /// WebRTC peer connection MUST NOT be created before this flag is true,
    /// otherwise AURemoteIO init fails with "Missing entitlement" (-12988).
@@ -98,22 +104,39 @@ final class CallManager: NSObject, ObservableObject {
    /// Sets up incoming call state directly from VoIP push payload.
    /// Called when app was killed → PushKit wakes it → WebSocket not yet connected.
    /// The .call signal may never arrive (fire-and-forget), so we set up state from push.
-    func setupIncomingCallFromPush(callerKey: String, callerName: String) {
-        guard uiState.phase == .idle else { return }
-        guard !callerKey.isEmpty else { return }
-        callLogger.notice("setupIncomingCallFromPush: callerKey=\(callerKey.prefix(12), privacy: .public) name=\(callerName, privacy: .public)")
+    func setupIncomingCallFromPush(
+        callerKey: String,
+        callerName: String,
+        callId: String? = nil,
+        joinToken: String? = nil
+    ) {
+        let peer = callerKey.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !peer.isEmpty else { return }
+        mergeLegacySessionMetadata(callId: callId, joinToken: joinToken, source: "push")
+        if hasLegacySessionMetadata {
+            setSignalingMode(.legacy, reason: "push metadata")
+        }
+
+        guard uiState.phase == .idle else {
+            completePendingIncomingAcceptIfPossible(trigger: "push update")
+            return
+        }
+
+        callLogger.notice(
+            "setupIncomingCallFromPush: callerKey=\(peer.prefix(12), privacy: .public) name=\(callerName, privacy: .public) mode=\(self.signalingMode.rawValue, privacy: .public)"
+        )
        // Don't call beginCallSession() — it calls finishCall() which kills the
        // CallKit call that PushKit just reported. Set state directly instead.
        uiState = CallUiState(
            phase: .incoming,
-            peerPublicKey: callerKey,
+            peerPublicKey: peer,
            peerTitle: callerName,
            peerUsername: ""
        )
        role = .callee
        uiState.statusText = "Incoming call..."
        ProtocolManager.shared.beginCallBackgroundTask()
-        hydratePeerIdentity(for: callerKey)
+        hydratePeerIdentity(for: peer)
        startRingTimeout()

        // Auto-accept if user already tapped Accept on CallKit before this ran.
@@ -125,6 +148,7 @@ final class CallManager: NSObject, ObservableObject {
            let result = acceptIncomingCall()
            callLogger.info("setupIncomingCallFromPush: auto-accept result=\(String(describing: result), privacy: .public)")
        }
+        completePendingIncomingAcceptIfPossible(trigger: "push setup")
    }

    func onAuthenticated() {
@@ -143,6 +167,7 @@ final class CallManager: NSObject, ObservableObject {

        beginCallSession(peerPublicKey: target, title: title, username: username)
        role = .caller
+        setSignalingMode(.undecided, reason: "outgoing call started")
        ensureLocalSessionKeys()
        uiState.phase = .outgoing
        uiState.statusText = "Calling..."
@@ -172,16 +197,14 @@ final class CallManager: NSObject, ObservableObject {
        ensureLocalSessionKeys()
        guard localPublicKeyHex.isEmpty == false else { return .invalidTarget }

-        ProtocolManager.shared.sendCallSignal(
-            signalType: .keyExchange,
-            src: ownPublicKey,
-            dst: uiState.peerPublicKey,
-            sharedPublic: localPublicKeyHex
-        )
-
+        pendingIncomingAccept = true
        uiState.phase = .keyExchange
        uiState.isMinimized = false  // Show full-screen custom overlay after accept
-        uiState.statusText = "Exchanging keys..."
+        uiState.statusText = "Connecting..."
+        callLogger.notice(
+            "[Call] acceptIncomingCall: queued mode=\(self.signalingMode.rawValue, privacy: .public) hasMetadata=\(self.hasLegacySessionMetadata.description, privacy: .public)"
+        )
+        completePendingIncomingAcceptIfPossible(trigger: "acceptIncomingCall")
        return .started
    }

@@ -192,7 +215,9 @@ final class CallManager: NSObject, ObservableObject {
            ProtocolManager.shared.sendCallSignal(
                signalType: .endCall,
                src: ownPublicKey,
-                dst: uiState.peerPublicKey
+                dst: uiState.peerPublicKey,
+                callId: callId,
+                joinToken: joinToken
            )
        }
        finishCall(reason: nil, notifyPeer: false)
@@ -264,8 +289,80 @@ final class CallManager: NSObject, ObservableObject {
        }
    }

+    private var hasLegacySessionMetadata: Bool {
+        !callId.isEmpty && !joinToken.isEmpty
+    }
+
+    private func setSignalingMode(_ mode: CallSignalingMode, reason: String) {
+        guard signalingMode != mode else { return }
+        callLogger.notice(
+            "[Call] signaling mode \(self.signalingMode.rawValue, privacy: .public) -> \(mode.rawValue, privacy: .public) (\(reason, privacy: .public))"
+        )
+        signalingMode = mode
+    }
+
+    private func mergeLegacySessionMetadata(callId: String?, joinToken: String?, source: String) {
+        let normalizedCallId = callId?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+        let normalizedJoinToken = joinToken?
+            .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
+
+        if !normalizedCallId.isEmpty && self.callId != normalizedCallId {
+            callLogger.info(
+                "[Call] merge callId from \(source, privacy: .public): \(normalizedCallId.prefix(12), privacy: .public)"
+            )
+            self.callId = normalizedCallId
+        }
+        if !normalizedJoinToken.isEmpty && self.joinToken != normalizedJoinToken {
+            callLogger.info("[Call] merge joinToken from \(source, privacy: .public)")
+            self.joinToken = normalizedJoinToken
+        }
+    }
+
+    private func completePendingIncomingAcceptIfPossible(trigger: String) {
+        guard pendingIncomingAccept else { return }
+        guard ownPublicKey.isEmpty == false else { return }
+        guard uiState.peerPublicKey.isEmpty == false else { return }
+
+        switch signalingMode {
+        case .legacy:
+            guard hasLegacySessionMetadata else {
+                callLogger.info("[Call] pending accept waits for legacy metadata (\(trigger, privacy: .public))")
+                return
+            }
+            ProtocolManager.shared.sendCallSignal(
+                signalType: .accept,
+                src: ownPublicKey,
+                dst: uiState.peerPublicKey,
+                callId: callId,
+                joinToken: joinToken
+            )
+            pendingIncomingAccept = false
+            uiState.statusText = "Waiting for key exchange..."
+            callLogger.notice("[Call] pending accept completed via ACCEPT (\(trigger, privacy: .public))")
+
+        case .createRoom:
+            ensureLocalSessionKeys()
+            guard !localPublicKeyHex.isEmpty else { return }
+            ProtocolManager.shared.sendCallSignal(
+                signalType: .keyExchange,
+                src: ownPublicKey,
+                dst: uiState.peerPublicKey,
+                sharedPublic: localPublicKeyHex
+            )
+            pendingIncomingAccept = false
+            uiState.statusText = "Exchanging keys..."
+            callLogger.notice("[Call] pending accept completed via KEY_EXCHANGE (\(trigger, privacy: .public))")
+
+        case .undecided:
+            callLogger.info("[Call] pending accept waits for signaling mode decision (\(trigger, privacy: .public))")
+        }
+    }
+
    private func handleSignalPacket(_ packet: PacketSignalPeer) {
-        callLogger.notice("[Call] handleSignalPacket: type=\(String(describing: packet.signalType), privacy: .public) phase=\(self.uiState.phase.rawValue, privacy: .public)")
+        callLogger.notice(
+            "[Call] handleSignalPacket: type=\(String(describing: packet.signalType), privacy: .public) phase=\(self.uiState.phase.rawValue, privacy: .public) mode=\(self.signalingMode.rawValue, privacy: .public)"
+        )
        switch packet.signalType {
        case .endCallBecauseBusy:
            finishCall(reason: "User is busy", notifyPeer: false, skipAttachment: true)
@@ -273,6 +370,9 @@ final class CallManager: NSObject, ObservableObject {
        case .endCallBecausePeerDisconnected:
            finishCall(reason: "Peer disconnected", notifyPeer: false)
            return
+        case .ringingTimeout:
+            finishCall(reason: "No answer", notifyPeer: false, skipAttachment: true)
+            return
        case .endCall:
            finishCall(reason: "Call ended", notifyPeer: false)
            return
@@ -290,12 +390,23 @@ final class CallManager: NSObject, ObservableObject {
        case .call:
            let incomingPeer = packet.src.trimmingCharacters(in: .whitespacesAndNewlines)
            guard incomingPeer.isEmpty == false else { return }
+            mergeLegacySessionMetadata(
+                callId: packet.callId,
+                joinToken: packet.joinToken,
+                source: "signal.call"
+            )
+            if hasLegacySessionMetadata {
+                setSignalingMode(.legacy, reason: "incoming .call with call metadata")
+            } else if signalingMode == .undecided {
+                setSignalingMode(.createRoom, reason: "incoming .call without metadata")
+            }
            guard uiState.phase == .idle else {
                // Already in a call with this peer — ignore duplicate .call signal.
                // Server re-delivers .call after WebSocket reconnect; without this guard,
                // the code sends .endCallBecauseBusy which terminates the active call.
                if incomingPeer == uiState.peerPublicKey {
                    callLogger.info("Ignoring duplicate .call signal — already in call with this peer (phase=\(self.uiState.phase.rawValue, privacy: .public))")
+                    completePendingIncomingAcceptIfPossible(trigger: "duplicate .call")
                    return
                }
                // Different peer trying to call — send busy.
@@ -306,7 +417,26 @@ final class CallManager: NSObject, ObservableObject {
                )
                return
            }
+            let cachedCallId = callId
+            let cachedJoinToken = joinToken
            beginCallSession(peerPublicKey: incomingPeer, title: "", username: "")
+            mergeLegacySessionMetadata(
+                callId: packet.callId,
+                joinToken: packet.joinToken,
+                source: "signal.call post-reset"
+            )
+            if !hasLegacySessionMetadata {
+                mergeLegacySessionMetadata(
+                    callId: cachedCallId,
+                    joinToken: cachedJoinToken,
+                    source: "signal.call cached metadata"
+                )
+            }
+            if hasLegacySessionMetadata {
+                setSignalingMode(.legacy, reason: "incoming .call session start")
+            } else {
+                setSignalingMode(.createRoom, reason: "incoming .call session start")
+            }
            role = .callee
            uiState.phase = .incoming
            ProtocolManager.shared.beginCallBackgroundTask()
@@ -335,12 +465,50 @@ final class CallManager: NSObject, ObservableObject {
                let result = acceptIncomingCall()
                callLogger.info("Auto-accept: result=\(String(describing: result), privacy: .public) ownKey=\(self.ownPublicKey.isEmpty ? "EMPTY" : String(self.ownPublicKey.prefix(12)), privacy: .public) phase=\(self.uiState.phase.rawValue, privacy: .public) wsState=\(String(describing: ProtocolManager.shared.connectionState), privacy: .public)")
            }
+            completePendingIncomingAcceptIfPossible(trigger: "incoming .call")
+        case .accept:
+            mergeLegacySessionMetadata(
+                callId: packet.callId,
+                joinToken: packet.joinToken,
+                source: "signal.accept"
+            )
+            guard role == .caller else { return }
+            if signalingMode == .undecided {
+                setSignalingMode(.legacy, reason: "caller received ACCEPT")
+            } else if signalingMode == .createRoom {
+                callLogger.notice("[Call] ACCEPT ignored — mode already createRoom")
+                return
+            }
+            ensureLocalSessionKeys()
+            guard !localPublicKeyHex.isEmpty else { return }
+            ProtocolManager.shared.sendCallSignal(
+                signalType: .keyExchange,
+                src: ownPublicKey,
+                dst: uiState.peerPublicKey,
+                sharedPublic: localPublicKeyHex
+            )
+            uiState.phase = .keyExchange
+            uiState.statusText = "Exchanging keys..."
+            callLogger.notice("[Call] legacy path: ACCEPT -> KEY_EXCHANGE")
        case .keyExchange:
+            if role == .caller, signalingMode == .undecided {
+                setSignalingMode(.createRoom, reason: "caller received KEY_EXCHANGE before ACCEPT")
+            }
            handleKeyExchange(packet)
        case .createRoom:
            let incomingRoomId = packet.roomId.trimmingCharacters(in: .whitespacesAndNewlines)
-            guard incomingRoomId.isEmpty == false else { return }
+            if incomingRoomId.isEmpty {
+                if signalingMode == .undecided {
+                    setSignalingMode(.legacy, reason: "signal 4 without roomId")
+                }
+                callLogger.notice("[Call] signal 4 handled as ACTIVE (legacy)")
+            } else {
                roomId = incomingRoomId
+                if signalingMode == .undecided {
+                    setSignalingMode(.createRoom, reason: "signal 4 with roomId")
+                }
+                callLogger.notice("[Call] signal 4 handled as CREATE_ROOM roomId=\(incomingRoomId.prefix(16), privacy: .public)")
+            }
            uiState.phase = .webRtcExchange
            uiState.statusText = "Connecting..."
            if audioSessionActivated {
@@ -373,7 +541,7 @@ final class CallManager: NSObject, ObservableObject {
            }
        case .activeCall:
            break
-        case .endCall, .endCallBecausePeerDisconnected, .endCallBecauseBusy:
+        case .ringingTimeout, .endCall, .endCallBecausePeerDisconnected, .endCallBecauseBusy:
            break
        }
    }
@@ -406,6 +574,17 @@ final class CallManager: NSObject, ObservableObject {

        switch role {
        case .caller:
+            switch signalingMode {
+            case .legacy:
+                ProtocolManager.shared.sendCallSignal(
+                    signalType: .createRoom,
+                    src: ownPublicKey,
+                    dst: uiState.peerPublicKey
+                )
+                uiState.phase = .keyExchange
+                uiState.statusText = "Finalizing call..."
+                callLogger.notice("[Call] legacy path: KEY_EXCHANGE complete -> ACTIVE")
+            case .createRoom:
                ProtocolManager.shared.sendCallSignal(
                    signalType: .keyExchange,
                    src: ownPublicKey,
@@ -415,13 +594,46 @@ final class CallManager: NSObject, ObservableObject {
                ProtocolManager.shared.sendCallSignal(
                    signalType: .createRoom,
                    src: ownPublicKey,
-                dst: uiState.peerPublicKey
+                    dst: uiState.peerPublicKey,
+                    roomId: roomId
                )
                uiState.phase = .webRtcExchange
                uiState.statusText = "Creating room..."
+                callLogger.notice("[Call] create-room path: KEY_EXCHANGE complete -> CREATE_ROOM")
+            case .undecided:
+                setSignalingMode(.createRoom, reason: "fallback on caller key exchange")
+                ProtocolManager.shared.sendCallSignal(
+                    signalType: .keyExchange,
+                    src: ownPublicKey,
+                    dst: uiState.peerPublicKey,
+                    sharedPublic: localPublicKeyHex
+                )
+                ProtocolManager.shared.sendCallSignal(
+                    signalType: .createRoom,
+                    src: ownPublicKey,
+                    dst: uiState.peerPublicKey,
+                    roomId: roomId
+                )
+                uiState.phase = .webRtcExchange
+                uiState.statusText = "Creating room..."
+            }
        case .callee:
+            switch signalingMode {
+            case .legacy:
+                ProtocolManager.shared.sendCallSignal(
+                    signalType: .keyExchange,
+                    src: ownPublicKey,
+                    dst: uiState.peerPublicKey,
+                    sharedPublic: localPublicKeyHex
+                )
+                uiState.phase = .keyExchange
+                uiState.statusText = "Waiting for active signal..."
+                callLogger.notice("[Call] legacy path: sent KEY_EXCHANGE, waiting for ACTIVE")
+            case .createRoom, .undecided:
                uiState.phase = .keyExchange
                uiState.statusText = "Waiting for room..."
+                callLogger.notice("[Call] create-room path: waiting for room signal")
+            }
        case .none:
            break
        }
--- a/Rosetta/Core/Services/CallModels.swift
+++ b/Rosetta/Core/Services/CallModels.swift
@@ -15,6 +15,12 @@ enum CallRole: Sendable {
    case callee
 }

+enum CallSignalingMode: String, Sendable {
+    case undecided
+    case legacy
+    case createRoom
+}
+
 enum CallActionResult: Sendable {
    case started
    case alreadyInCall
--- a/Rosetta/Core/Utils/DarkMode+Helpers.swift
+++ b/Rosetta/Core/Utils/DarkMode+Helpers.swift
@@ -17,7 +17,7 @@ struct DarkModeWrapper<Content: View>: View {
        content
            .onAppear {
                if overlayWindow == nil {
-                    if let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene {
+                    if let windowScene = activeWindowScene {
                        let overlayWindow = UIWindow(windowScene: windowScene)
                        overlayWindow.tag = 0320
                        overlayWindow.isHidden = false
@@ -27,31 +27,41 @@ struct DarkModeWrapper<Content: View>: View {
                }
            }
            .onChange(of: activateDarkMode, initial: true) { _, newValue in
-                if let keyWindow = (UIApplication.shared.connectedScenes.first as? UIWindowScene)?.windows.first(where: { $0.isKeyWindow }) {
-                    keyWindow.overrideUserInterfaceStyle = newValue ? .dark : .light
+                if let windowScene = activeWindowScene {
+                    let style: UIUserInterfaceStyle = newValue ? .dark : .light
+                    for window in windowScene.windows {
+                        window.overrideUserInterfaceStyle = style
                    }
                }
            }
    }

+    private var activeWindowScene: UIWindowScene? {
+        let scenes = UIApplication.shared.connectedScenes.compactMap { $0 as? UIWindowScene }
+        return scenes.first(where: { $0.activationState == .foregroundActive }) ?? scenes.first
+    }
+}
+
 /// Theme toggle button with sun/moon icon and circular reveal animation.
 struct DarkModeButton: View {
    @State private var buttonRect: CGRect = .zero
-    @AppStorage("rosetta_dark_mode") private var toggleDarkMode: Bool = true
+    /// Local icon state — changes INSTANTLY on tap (no round-trip through UserDefaults).
+    @State private var showMoonIcon: Bool = true
    @AppStorage("rosetta_dark_mode") private var activateDarkMode: Bool = true

    var body: some View {
        Button(action: {
-            toggleDarkMode.toggle()
+            showMoonIcon.toggle()
            animateScheme()
        }, label: {
-            Image(systemName: toggleDarkMode ? "moon.fill" : "sun.max.fill")
+            Image(systemName: showMoonIcon ? "moon.fill" : "sun.max.fill")
                .font(.system(size: 16, weight: .medium))
                .foregroundStyle(RosettaColors.Adaptive.text)
-                .symbolEffect(.bounce, value: toggleDarkMode)
+                .symbolEffect(.bounce, value: showMoonIcon)
                .frame(width: 44, height: 44)
        })
        .buttonStyle(.plain)
+        .onAppear { showMoonIcon = activateDarkMode }
        .darkModeButtonRect { rect in
            buttonRect = rect
        }
@@ -59,29 +69,32 @@ struct DarkModeButton: View {

    @MainActor
    func animateScheme() {
-        Task {
-            if let windows = (UIApplication.shared.connectedScenes.first as? UIWindowScene)?.windows,
-               let window = windows.first(where: { $0.isKeyWindow }),
-               let overlayWindow = windows.first(where: { $0.tag == 0320 }) {
+        guard let windowScene = activeWindowScene,
+              let window = windowScene.windows.first(where: { $0.isKeyWindow }),
+              let overlayWindow = windowScene.windows.first(where: { $0.tag == 0320 })
+        else { return }

-                overlayWindow.isUserInteractionEnabled = true
-                let imageView = UIImageView()
+        let targetDark = showMoonIcon
+        let frameSize = window.frame.size
+
+        // 1. Capture old state SYNCHRONOUSLY — afterScreenUpdates:false is fast (~5ms).
+        let previousImage = window.darkModeSnapshotFast(frameSize)
+
+        // 2. Show freeze frame IMMEDIATELY — user sees instant response.
+        // Overlay stays non-interactive so button taps always pass through.
+        let imageView = UIImageView(image: previousImage)
        imageView.frame = window.frame
-                imageView.image = window.darkModeSnapshot(window.frame.size)
        imageView.contentMode = .scaleAspectFit
        overlayWindow.addSubview(imageView)

-                let frameSize = window.frame.size
-                // Capture old state
-                activateDarkMode = !toggleDarkMode
-                let previousImage = window.darkModeSnapshot(frameSize)
-                // Switch to new state
-                activateDarkMode = toggleDarkMode
-                // Allow layout to settle
-                try await Task.sleep(for: .seconds(0.01))
-                let currentImage = window.darkModeSnapshot(frameSize)
+        // 3. Switch theme underneath the freeze frame (invisible to user).
+        activateDarkMode = targetDark

-                try await Task.sleep(for: .seconds(0.01))
+        // 4. Capture new state asynchronously after layout settles.
+        Task {
+            try? await Task.sleep(for: .seconds(0.06))
+            window.layoutIfNeeded()
+            let currentImage = window.darkModeSnapshot(frameSize)

            let swiftUIView = DarkModeOverlayView(
                buttonRect: buttonRect,
@@ -97,6 +110,10 @@ struct DarkModeButton: View {
            imageView.removeFromSuperview()
        }
    }
+
+    private var activeWindowScene: UIWindowScene? {
+        let scenes = UIApplication.shared.connectedScenes.compactMap { $0 as? UIWindowScene }
+        return scenes.first(where: { $0.activationState == .foregroundActive }) ?? scenes.first
    }
 }

@@ -175,7 +192,6 @@ private struct DarkModeOverlayView: View {
                            for view in window.subviews {
                                view.removeFromSuperview()
                            }
-                            window.isUserInteractionEnabled = false
                        }
                    }
                }
@@ -198,10 +214,20 @@ private struct DarkModeOverlayView: View {
 // MARK: - UIView Snapshot

 private extension UIView {
+    /// Full-fidelity snapshot — waits for pending layout. Use for the NEW state.
    func darkModeSnapshot(_ size: CGSize) -> UIImage {
        let renderer = UIGraphicsImageRenderer(size: size)
        return renderer.image { _ in
            drawHierarchy(in: .init(origin: .zero, size: size), afterScreenUpdates: true)
        }
    }
+
+    /// Fast snapshot of CURRENT appearance — no layout wait (~5ms vs ~80ms).
+    /// Use for the OLD state (already on screen, nothing pending).
+    func darkModeSnapshotFast(_ size: CGSize) -> UIImage {
+        let renderer = UIGraphicsImageRenderer(size: size)
+        return renderer.image { _ in
+            drawHierarchy(in: .init(origin: .zero, size: size), afterScreenUpdates: false)
+        }
+    }
 }
--- a/Rosetta/Features/Auth/ConfirmSeedPhraseView.swift
+++ b/Rosetta/Features/Auth/ConfirmSeedPhraseView.swift
@@ -54,11 +54,11 @@ private extension ConfirmSeedPhraseView {
        VStack(spacing: 12) {
            Text("Confirm Backup")
                .font(.system(size: 28, weight: .bold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)

            Text("Enter words #2, #5, #9, #12 to confirm\nyou've backed up your phrase.")
                .font(.system(size: 15))
-                .foregroundStyle(Color.white.opacity(0.7))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)
                .lineSpacing(3)
        }
@@ -130,7 +130,7 @@ private extension ConfirmSeedPhraseView {

            TextField("enter", text: $confirmationInputs[inputIndex])
                .font(.system(size: 17, weight: .semibold, design: .monospaced))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)
                .autocorrectionDisabled()
                .textInputAutocapitalization(.never)
                .focused($focusedInputIndex, equals: inputIndex)
--- a/Rosetta/Features/Auth/ImportSeedPhraseView.swift
+++ b/Rosetta/Features/Auth/ImportSeedPhraseView.swift
@@ -53,11 +53,11 @@ private extension ImportSeedPhraseView {
        VStack(spacing: 12) {
            Text("Import Account")
                .font(.system(size: 28, weight: .bold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)

            Text("Enter your 12-word recovery phrase\nto restore your account.")
                .font(.system(size: 15))
-                .foregroundStyle(Color.white.opacity(0.7))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)
                .lineSpacing(3)
        }
@@ -140,7 +140,7 @@ private extension ImportSeedPhraseView {

            TextField("word", text: $importedWords[index])
                .font(.system(size: 17, weight: .semibold, design: .monospaced))
-                .foregroundStyle(hasContent ? color : .white)
+                .foregroundStyle(hasContent ? color : RosettaColors.Adaptive.text)
                .autocorrectionDisabled()
                .textInputAutocapitalization(.never)
                .focused($focusedWordIndex, equals: index)
--- a/Rosetta/Features/Auth/PasswordStrengthView.swift
+++ b/Rosetta/Features/Auth/PasswordStrengthView.swift
@@ -52,7 +52,7 @@ struct PasswordStrengthIndicator: View {
                HStack(spacing: 4) {
                    ForEach(0..<3, id: \.self) { index in
                        RoundedRectangle(cornerRadius: 2)
-                            .fill(index <= strength.rawValue ? strength.color : Color.white.opacity(0.1))
+                            .fill(index <= strength.rawValue ? strength.color : RosettaColors.Adaptive.text.opacity(0.1))
                            .frame(height: 4)
                            .animation(.easeInOut(duration: 0.25), value: strength)
                    }
@@ -107,7 +107,7 @@ struct WeakPasswordWarning: View {

                Text("Your password is too weak. Consider using at least 6 characters for better security.")
                    .font(.system(size: 13))
-                    .foregroundStyle(Color.white.opacity(0.7))
+                    .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                    .lineSpacing(2)
            }
            .padding(14)
--- a/Rosetta/Features/Auth/SeedPhraseView.swift
+++ b/Rosetta/Features/Auth/SeedPhraseView.swift
@@ -48,13 +48,13 @@ private extension SeedPhraseView {
        VStack(spacing: 12) {
            Text("Your Recovery Phrase")
                .font(.system(size: 28, weight: .bold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)
                .opacity(isContentVisible ? 1.0 : 0.0)
                .animation(.easeOut(duration: 0.3), value: isContentVisible)

            Text("Write down these 12 words in order.\nYou'll need them to restore your account.")
                .font(.system(size: 15))
-                .foregroundStyle(Color.white.opacity(0.7))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)
                .lineSpacing(3)
                .opacity(isContentVisible ? 1.0 : 0.0)
--- a/Rosetta/Features/Auth/SetPasswordView.swift
+++ b/Rosetta/Features/Auth/SetPasswordView.swift
@@ -111,13 +111,13 @@ private extension SetPasswordView {
        VStack(spacing: 8) {
            Text(isImportMode ? "Recover Account" : "Protect Your Account")
                .font(.system(size: 24, weight: .bold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)

            Text(isImportMode
                 ? "Set a password to protect your recovered account.\nYou'll need it to unlock Rosetta."
                 : "This password encrypts your keys locally.\nYou'll need it to unlock Rosetta.")
                .font(.system(size: 14))
-                .foregroundStyle(Color.white.opacity(0.7))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)
                .lineSpacing(2)
        }
@@ -178,7 +178,7 @@ private extension SetPasswordView {

                Text("Your password is never stored or sent anywhere. It's only used to encrypt your keys locally.")
                    .font(.system(size: 13))
-                    .foregroundStyle(Color.white.opacity(0.7))
+                    .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                    .lineSpacing(2)
            }
            .padding(16)
@@ -291,7 +291,7 @@ private struct SecureToggleField: UIViewRepresentable {

        tf.isSecureTextEntry = true
        tf.font = .systemFont(ofSize: 16)
-        tf.textColor = .white
+        tf.textColor = .label
        tf.tintColor = UIColor(RosettaColors.primaryBlue)
        tf.autocapitalizationType = .none
        tf.autocorrectionType = .no
@@ -318,7 +318,7 @@ private struct SecureToggleField: UIViewRepresentable {
        let config = UIImage.SymbolConfiguration(pointSize: 14, weight: .thin)
        let eyeButton = UIButton(type: .system)
        eyeButton.setImage(UIImage(systemName: "eye", withConfiguration: config), for: .normal)
-        eyeButton.tintColor = UIColor.white.withAlphaComponent(0.5)
+        eyeButton.tintColor = UIColor.secondaryLabel
        eyeButton.addTarget(
            context.coordinator,
            action: #selector(Coordinator.toggleSecure),
--- a/Rosetta/Features/Auth/WelcomeView.swift
+++ b/Rosetta/Features/Auth/WelcomeView.swift
@@ -80,7 +80,7 @@ private extension WelcomeView {
    var titleSection: some View {
        Text("Your Keys,\nYour Messages")
            .font(.system(size: 32, weight: .bold))
-            .foregroundStyle(.white)
+            .foregroundStyle(RosettaColors.Adaptive.text)
            .multilineTextAlignment(.center)
            .opacity(isVisible ? 1.0 : 0.0)
            .offset(y: isVisible ? 0 : 16)
@@ -90,7 +90,7 @@ private extension WelcomeView {
    var subtitleSection: some View {
        Text("Secure messaging with\ncryptographic keys")
            .font(.system(size: 16))
-            .foregroundStyle(Color.white.opacity(0.7))
+            .foregroundStyle(RosettaColors.Adaptive.textSecondary)
            .multilineTextAlignment(.center)
            .opacity(isVisible ? 1.0 : 0.0)
            .offset(y: isVisible ? 0 : 12)
@@ -122,7 +122,7 @@ private extension WelcomeView {

            Text(label)
                .font(.system(size: 13, weight: .medium))
-                .foregroundStyle(Color.white.opacity(0.7))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
        }
        .accessibilityElement(children: .combine)
        .accessibilityLabel(label)
--- a/Rosetta/Features/Chats/ChatDetail/AttachmentPanelView.swift
+++ b/Rosetta/Features/Chats/ChatDetail/AttachmentPanelView.swift
@@ -132,7 +132,7 @@ struct AttachmentPanelView: View {
        VStack(spacing: 0) {
            // Custom drag indicator (replaces system .presentationDragIndicator)
            Capsule()
-                .fill(Color.white.opacity(0.3))
+                .fill(RosettaColors.Adaptive.text.opacity(0.3))
                .frame(width: 36, height: 5)
                .padding(.top, 5)
                .padding(.bottom, 14)
@@ -144,7 +144,7 @@ struct AttachmentPanelView: View {
                    dismiss()
                } label: {
                    CloseIconShape()
-                        .fill(.white)
+                        .fill(RosettaColors.Adaptive.text)
                        .frame(width: 14, height: 14)
                        .frame(width: 44, height: 44)
                }
@@ -157,10 +157,10 @@ struct AttachmentPanelView: View {
                HStack(spacing: 5) {
                    Text(tabTitle)
                        .font(.system(size: 20, weight: .semibold))
-                        .foregroundStyle(.white)
+                        .foregroundStyle(RosettaColors.Adaptive.text)
                    Image(systemName: "chevron.down")
                        .font(.system(size: 13, weight: .bold))
-                        .foregroundStyle(.white.opacity(0.45))
+                        .foregroundStyle(RosettaColors.Adaptive.text.opacity(0.45))
                }

                Spacer()
@@ -195,9 +195,9 @@ struct AttachmentPanelView: View {
            Text("\(selectedAssets.count)")
                .font(.system(size: 12, weight: .bold))
        }
-        .foregroundStyle(.white)
+        .foregroundStyle(.white) // White on blue badge is always correct
        .frame(width: 44, height: 28)
-        .background(Color(hex: 0x008BFF), in: Capsule())
+        .background(RosettaColors.primaryBlue, in: Capsule())
    }

    /// Glass circle background matching GlassBackButton (ButtonStyles.swift lines 22–34).
@@ -233,12 +233,12 @@ struct AttachmentPanelView: View {
            // Title
            Text("Send Avatar")
                .font(.system(size: 20, weight: .semibold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)

            // Subtitle
            Text("Share your profile avatar\nwith this contact")
                .font(.system(size: 14))
-                .foregroundStyle(.white.opacity(0.5))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)

            // Send button (capsule style matching File tab's "Browse Files" button)
@@ -253,10 +253,10 @@ struct AttachmentPanelView: View {
            } label: {
                Text(hasAvatar ? "Send Avatar" : "Set Avatar")
                    .font(.system(size: 15, weight: .medium))
-                    .foregroundStyle(.white)
+                    .foregroundStyle(.white) // White on blue button is always correct
                    .padding(.horizontal, 24)
                    .padding(.vertical, 10)
-                    .background(Color(hex: 0x008BFF), in: Capsule())
+                    .background(RosettaColors.primaryBlue, in: Capsule())
            }

            Spacer()
@@ -284,12 +284,12 @@ struct AttachmentPanelView: View {
            // Title
            Text("Send File")
                .font(.system(size: 20, weight: .semibold))
-                .foregroundStyle(.white)
+                .foregroundStyle(RosettaColors.Adaptive.text)

            // Subtitle
            Text("Select a file to send")
                .font(.system(size: 14))
-                .foregroundStyle(.white.opacity(0.5))
+                .foregroundStyle(RosettaColors.Adaptive.textSecondary)
                .multilineTextAlignment(.center)

            // Browse button (capsule style matching avatar tab)
@@ -298,10 +298,10 @@ struct AttachmentPanelView: View {
            } label: {
                Text("Browse Files")
                    .font(.system(size: 15, weight: .medium))
-                    .foregroundStyle(.white)
+                    .foregroundStyle(.white) // White on blue button is always correct
                    .padding(.horizontal, 24)
                    .padding(.vertical, 10)
-                    .background(Color(hex: 0x008BFF), in: Capsule())
+                    .background(RosettaColors.primaryBlue, in: Capsule())
            }

            Spacer()
@@ -337,14 +337,14 @@ struct AttachmentPanelView: View {
        }
        .animation(.easeInOut(duration: 0.25), value: hasSelection)
        .background {
-            // iOS < 26: gradient fade behind tab bar (dark theme).
+            // iOS < 26: gradient fade behind tab bar.
            // iOS 26+: no gradient — Liquid Glass pill is self-contained.
            if #unavailable(iOS 26) {
                LinearGradient(
                    stops: [
                        .init(color: .clear, location: 0),
-                        .init(color: .black.opacity(0.6), location: 0.3),
-                        .init(color: .black, location: 0.8),
+                        .init(color: RosettaColors.Adaptive.surface.opacity(0.85), location: 0.3),
+                        .init(color: RosettaColors.Adaptive.surface, location: 0.8),
                    ],
                    startPoint: .top,
                    endPoint: .bottom
@@ -364,8 +364,8 @@ struct AttachmentPanelView: View {
            // Caption text field
            TextField("Add a caption...", text: $captionText)
                .font(.system(size: 16))
-                .foregroundStyle(.white)
-                .tint(Color(hex: 0x008BFF))
+                .foregroundStyle(RosettaColors.Adaptive.text)
+                .tint(RosettaColors.primaryBlue)
                .padding(.leading, 6)

            // Emoji icon (exact ChatDetail match: TelegramVectorIcon emojiMoon)
@@ -389,7 +389,7 @@ struct AttachmentPanelView: View {
                )
                .frame(width: 22, height: 19)
                .frame(width: 38, height: 36)
-                .background { Capsule().fill(Color(hex: 0x008BFF)) }
+                .background { Capsule().fill(RosettaColors.primaryBlue) }
            }
        }
        .padding(3)
@@ -457,7 +457,7 @@ struct AttachmentPanelView: View {

    private func legacyTabButton(_ tab: AttachmentTab, icon: String, unselectedIcon: String, label: String) -> some View {
        let isSelected = selectedTab == tab
-        let tint = isSelected ? Color(hex: 0x008BFF) : .white
+        let tint = isSelected ? RosettaColors.primaryBlue : RosettaColors.Adaptive.text

        return Button {
            UIImpactFeedbackGenerator(style: .light).impactOccurred()
--- a/Rosetta/Features/Chats/ChatDetail/ComposerView.swift
+++ b/Rosetta/Features/Chats/ChatDetail/ComposerView.swift
@@ -66,6 +66,10 @@ final class ComposerView: UIView, UITextViewDelegate {
    // Mic button (glass circle, 42×42)
    private let micButton = UIButton(type: .system)
    private let micGlass = TelegramGlassUIView(frame: .zero)
+    private var attachIconLayer: CAShapeLayer?
+    private var emojiIconLayer: CAShapeLayer?
+    private var sendIconLayer: CAShapeLayer?
+    private var micIconLayer: CAShapeLayer?

    // MARK: - Layout Constants

@@ -113,6 +117,7 @@ final class ComposerView: UIView, UITextViewDelegate {
            color: .label
        )
        attachButton.layer.addSublayer(attachIcon)
+        attachIconLayer = attachIcon
        attachButton.tag = 1 // for icon centering in layoutSubviews
        attachButton.addTarget(self, action: #selector(attachTapped), for: .touchUpInside)
        addSubview(attachButton)
@@ -188,6 +193,7 @@ final class ComposerView: UIView, UITextViewDelegate {
            color: .secondaryLabel
        )
        emojiButton.layer.addSublayer(emojiIcon)
+        emojiIconLayer = emojiIcon
        emojiButton.tag = 2
        emojiButton.addTarget(self, action: #selector(emojiTapped), for: .touchUpInside)
        inputContainer.addSubview(emojiButton)
@@ -204,6 +210,7 @@ final class ComposerView: UIView, UITextViewDelegate {
            color: .white
        )
        sendButton.layer.addSublayer(sendIcon)
+        sendIconLayer = sendIcon
        sendButton.tag = 3
        sendButton.addTarget(self, action: #selector(sendTapped), for: .touchUpInside)
        sendButton.alpha = 0
@@ -221,9 +228,19 @@ final class ComposerView: UIView, UITextViewDelegate {
            color: .label
        )
        micButton.layer.addSublayer(micIcon)
+        micIconLayer = micIcon
        micButton.tag = 4
        micButton.addTarget(self, action: #selector(micTapped), for: .touchUpInside)
        addSubview(micButton)
+
+        updateThemeColors()
+
+        if #available(iOS 17.0, *) {
+            registerForTraitChanges([UITraitUserInterfaceStyle.self]) { (self: ComposerView, previousTraitCollection: UITraitCollection) in
+                guard self.traitCollection.userInterfaceStyle != previousTraitCollection.userInterfaceStyle else { return }
+                self.updateThemeColors()
+            }
+        }
    }

    // MARK: - Public API
@@ -426,6 +443,19 @@ final class ComposerView: UIView, UITextViewDelegate {
        }
    }

+    private func updateThemeColors() {
+        attachIconLayer?.fillColor = UIColor.label.cgColor
+        emojiIconLayer?.fillColor = UIColor.secondaryLabel.cgColor
+        sendIconLayer?.fillColor = UIColor.white.cgColor
+        micIconLayer?.fillColor = UIColor.label.cgColor
+
+        replyTitleLabel.textColor = .label
+        replyPreviewLabel.textColor = .label
+        replyCancelButton.tintColor = .secondaryLabel
+        textView.textColor = .label
+        textView.placeholderLabel.textColor = .placeholderText
+    }
+
    // MARK: - Text Height

    private func recalculateTextHeight() {
@@ -498,6 +528,12 @@ final class ComposerView: UIView, UITextViewDelegate {
        }
    }

+    override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+        if #available(iOS 17.0, *) { return }
+        guard traitCollection.userInterfaceStyle != previousTraitCollection?.userInterfaceStyle else { return }
+        updateThemeColors()
+    }
+
    // MARK: - UITextViewDelegate

    func textViewShouldBeginEditing(_ textView: UITextView) -> Bool {
--- a/Rosetta/Features/Chats/ChatDetail/NativeMessageCell.swift
+++ b/Rosetta/Features/Chats/ChatDetail/NativeMessageCell.swift
@@ -66,13 +66,46 @@ final class NativeMessageCell: UICollectionViewCell {
        ctx.fillPath()
        let image = UIGraphicsGetImageFromCurrentImageContext() ?? UIImage()
        UIGraphicsEndImageContext()
-        return image.withRenderingMode(.alwaysOriginal)
+        return image.withRenderingMode(.alwaysTemplate)
    }()
-    // Telegram-exact stretchable bubble images (raster, not vector — only way to get exact tail)
-    private static let bubbleImages = BubbleImageFactory.generate(
+    // Telegram-exact stretchable bubble images (raster, not vector — only way to get exact tail).
+    // `var` so they can be regenerated on theme switch (colors baked into raster at generation time).
+    private static var bubbleImages = BubbleImageFactory.generate(
        outgoingColor: outgoingColor,
        incomingColor: incomingColor
    )
+    private static var bubbleImagesStyle: UIUserInterfaceStyle = .unspecified
+
+    /// Regenerate cached bubble images after theme change.
+    /// Must be called on main thread. `performAsCurrent` ensures dynamic
+    /// `incomingColor` resolves with the correct light/dark traits.
+    static func regenerateBubbleImages(with traitCollection: UITraitCollection) {
+        traitCollection.performAsCurrent {
+            bubbleImages = BubbleImageFactory.generate(
+                outgoingColor: outgoingColor,
+                incomingColor: incomingColor
+            )
+        }
+        bubbleImagesStyle = normalizedInterfaceStyle(from: traitCollection)
+    }
+
+    /// Ensure bubble image cache matches the current interface style.
+    /// Covers cases where the theme was changed while chat screen was not mounted.
+    static func ensureBubbleImages(for traitCollection: UITraitCollection) {
+        let style = normalizedInterfaceStyle(from: traitCollection)
+        guard bubbleImagesStyle != style else { return }
+        regenerateBubbleImages(with: traitCollection)
+    }
+
+    private static func normalizedInterfaceStyle(from traitCollection: UITraitCollection) -> UIUserInterfaceStyle {
+        switch traitCollection.userInterfaceStyle {
+        case .dark, .light:
+            return traitCollection.userInterfaceStyle
+        default:
+            let prefersDark = UserDefaults.standard.object(forKey: "rosetta_dark_mode") as? Bool ?? true
+            return prefersDark ? .dark : .light
+        }
+    }
    private static let blurHashCache: NSCache<NSString, UIImage> = {
        let cache = NSCache<NSString, UIImage>()
        cache.countLimit = 200
@@ -456,13 +489,20 @@ final class NativeMessageCell: UICollectionViewCell {
        bubbleView.addSubview(highlightOverlay)

        // Swipe reply icon — circle + Telegram-exact arrow (same vector as SwiftUI SwipeToReplyModifier)
-        replyCircleView.backgroundColor = UIColor.white.withAlphaComponent(0.12)
+        replyCircleView.backgroundColor = UIColor { traits in
+            traits.userInterfaceStyle == .dark
+                ? UIColor.white.withAlphaComponent(0.12)
+                : UIColor.black.withAlphaComponent(0.12)
+        }
        replyCircleView.layer.cornerRadius = 17 // 34pt / 2
        replyCircleView.alpha = 0
        contentView.addSubview(replyCircleView)

        replyIconView.image = Self.telegramReplyArrowImage
        replyIconView.contentMode = .scaleAspectFit
+        replyIconView.tintColor = UIColor { traits in
+            traits.userInterfaceStyle == .dark ? .white : .black
+        }
        replyIconView.alpha = 0
        contentView.addSubview(replyIconView)

@@ -513,17 +553,19 @@ final class NativeMessageCell: UICollectionViewCell {
        // Same CTTypesetter pipeline → identical line breaks, zero recomputation.
        textLabel.textLayout = textLayout

-        // Timestamp
+        // Timestamp — dynamic UIColor for incoming so theme changes resolve instantly
        timestampLabel.text = timestamp
        if isMediaStatus {
            timestampLabel.textColor = .white
+        } else if isOutgoing {
+            timestampLabel.textColor = UIColor.white.withAlphaComponent(0.55)
        } else {
-            let isDark = traitCollection.userInterfaceStyle == .dark
-            let tsAlpha: CGFloat = isOutgoing ? 0.55 : 0.6
-            timestampLabel.textColor = (isOutgoing || isDark)
-                ? UIColor.white.withAlphaComponent(tsAlpha)
+            timestampLabel.textColor = UIColor { traits in
+                traits.userInterfaceStyle == .dark
+                    ? UIColor.white.withAlphaComponent(0.6)
                    : UIColor.black.withAlphaComponent(0.45)
            }
+        }

        // Delivery checkmarks (Telegram two-node pattern: checkSent + checkRead)
        stopSendingClockAnimation()
@@ -566,7 +608,6 @@ final class NativeMessageCell: UICollectionViewCell {
        // Reply quote — Telegram parity colors
        if let replyName {
            replyContainer.isHidden = false
-            let isDark = traitCollection.userInterfaceStyle == .dark
            replyContainer.backgroundColor = isOutgoing
                ? UIColor.white.withAlphaComponent(0.12)
                : Self.outgoingColor.withAlphaComponent(0.12)
@@ -574,7 +615,11 @@ final class NativeMessageCell: UICollectionViewCell {
            replyNameLabel.text = replyName
            replyNameLabel.textColor = isOutgoing ? .white : Self.outgoingColor
            replyTextLabel.text = replyText ?? ""
-            replyTextLabel.textColor = (isOutgoing || isDark) ? .white : .darkGray
+            replyTextLabel.textColor = isOutgoing
+                ? .white
+                : UIColor { traits in
+                    traits.userInterfaceStyle == .dark ? .white : .darkGray
+                }
        } else {
            replyContainer.isHidden = true
        }
@@ -786,6 +831,7 @@ final class NativeMessageCell: UICollectionViewCell {
    override func layoutSubviews() {
        super.layoutSubviews()
        guard let layout = currentLayout else { return }
+        Self.ensureBubbleImages(for: traitCollection)

        let cellW = contentView.bounds.width
        let tailProtrusion = Self.bubbleMetrics.tailProtrusion
--- a/Rosetta/Features/Chats/ChatDetail/NativeMessageList.swift
+++ b/Rosetta/Features/Chats/ChatDetail/NativeMessageList.swift
@@ -183,6 +183,15 @@ final class NativeMessageListController: UIViewController {
            self, selector: #selector(handleAvatarDidUpdate),
            name: Notification.Name("avatarDidUpdate"), object: nil
        )
+        // Regenerate bubble images + full cell refresh on theme switch.
+        registerForTraitChanges([UITraitUserInterfaceStyle.self]) { (self: NativeMessageListController, previousTraitCollection: UITraitCollection) in
+            let oldStyle = previousTraitCollection.userInterfaceStyle
+            let newStyle = self.traitCollection.userInterfaceStyle
+            guard oldStyle != newStyle else { return }
+            NativeMessageCell.regenerateBubbleImages(with: self.traitCollection)
+            self.calculateLayouts()
+            self.refreshAllMessageCells()
+        }
    }

    @objc private func handleAvatarDidUpdate() {
@@ -483,6 +492,9 @@ final class NativeMessageListController: UIViewController {
        let imageView = UIImageView(image: Self.makeTelegramDownButtonImage())
        imageView.contentMode = .center
        imageView.frame = rect
+        imageView.tintColor = UIColor { traits in
+            traits.userInterfaceStyle == .dark ? .white : .black
+        }
        button.addSubview(imageView)

        let badgeView = UIView(frame: .zero)
@@ -585,7 +597,7 @@ final class NativeMessageListController: UIViewController {
            gc.addLine(to: CGPoint(x: cx, y: cy + 4.5))       // bottom-center
            gc.addLine(to: CGPoint(x: cx + 9.0, y: cy - 4.5)) // top-right
            gc.strokePath()
-        }.withRenderingMode(.alwaysOriginal)
+        }.withRenderingMode(.alwaysTemplate)
    }

    private static func compactUnreadCountString(_ count: Int) -> String {
@@ -614,7 +626,9 @@ final class NativeMessageListController: UIViewController {
        c.addSubview(glass)
        let l = UILabel()
        l.font = UIFont.systemFont(ofSize: 12, weight: .medium)
-        l.textColor = .white
+        l.textColor = UIColor { traits in
+            traits.userInterfaceStyle == .dark ? .white : .black
+        }
        l.textAlignment = .center
        c.addSubview(l)
        return (c, l)
@@ -1071,6 +1085,18 @@ final class NativeMessageListController: UIViewController {
        dataSource.apply(snapshot, animatingDifferences: false)
    }

+    /// Reconfigure all message cells and force a layout pass.
+    /// Used for deterministic theme refresh when trait style changes.
+    private func refreshAllMessageCells() {
+        var snapshot = dataSource.snapshot()
+        let allIds = snapshot.itemIdentifiers
+        guard !allIds.isEmpty else { return }
+        snapshot.reconfigureItems(allIds)
+        dataSource.apply(snapshot, animatingDifferences: false)
+        collectionView.collectionViewLayout.invalidateLayout()
+        collectionView.layoutIfNeeded()
+    }
+
    // MARK: - Bubble Position

    private func bubblePosition(for message: ChatMessage, at reversedIndex: Int) -> BubblePosition {
--- a/Rosetta/Features/Chats/ChatDetail/TelegramContextMenuCardView.swift
+++ b/Rosetta/Features/Chats/ChatDetail/TelegramContextMenuCardView.swift
@@ -18,13 +18,25 @@ final class TelegramContextMenuCardView: UIView {
    private static let iconSize: CGFloat = 24
    private static let screenPixel = 1.0 / max(UIScreen.main.scale, 1)

-    // MARK: - Colors (Telegram dark theme)
+    // MARK: - Colors (adaptive light/dark)

-    private static let tintBg = UIColor(red: 0x25/255, green: 0x25/255, blue: 0x25/255, alpha: 0.78)
-    private static let textColor = UIColor.white
+    private static let tintBg = UIColor { traits in
+        traits.userInterfaceStyle == .dark
+            ? UIColor(red: 0x25/255, green: 0x25/255, blue: 0x25/255, alpha: 0.78)
+            : UIColor(red: 0xF5/255, green: 0xF5/255, blue: 0xF7/255, alpha: 0.78)
+    }
+    private static let textColor = UIColor.label
    private static let destructiveColor = UIColor(red: 0xEB/255, green: 0x55/255, blue: 0x45/255, alpha: 1)
-    private static let separatorColor = UIColor(white: 1, alpha: 0.15)
-    private static let highlightColor = UIColor(white: 1, alpha: 0.15)
+    private static let separatorColor = UIColor { traits in
+        traits.userInterfaceStyle == .dark
+            ? UIColor(white: 1, alpha: 0.15)
+            : UIColor(white: 0, alpha: 0.1)
+    }
+    private static let highlightColor = UIColor { traits in
+        traits.userInterfaceStyle == .dark
+            ? UIColor(white: 1, alpha: 0.15)
+            : UIColor(white: 0, alpha: 0.08)
+    }

    // MARK: - Public

@@ -33,7 +45,7 @@ final class TelegramContextMenuCardView: UIView {

    // MARK: - Views

-    private let blurView = UIVisualEffectView(effect: UIBlurEffect(style: .systemMaterialDark))
+    private let blurView = UIVisualEffectView(effect: UIBlurEffect(style: .systemMaterial))
    private let tintView = UIView()
    private let items: [TelegramContextMenuItem]

--- a/Rosetta/RosettaApp.swift
+++ b/Rosetta/RosettaApp.swift
@@ -530,12 +530,13 @@ extension AppDelegate: PKPushRegistryDelegate {
        }
        let data = payload.dictionaryPayload
        Logger.voip.info("VoIP push received: \(data.description, privacy: .public)")
-        // Server sends: { "type": "CALL", "from": "<pubkey>", "callId": "<uuid>" }
+        // Server sends: { "type": "CALL", "from": "<pubkey>", "callId": "<uuid>", "joinToken": "<token>" }
        // Fallback to "dialog" for backward compat with older server versions.
        let callerKey = data["from"] as? String
            ?? data["dialog"] as? String
            ?? ""
        let callId = data["callId"] as? String
+        let joinToken = data["joinToken"] as? String
        // Resolve caller display name from multiple sources.
        let callerName: String = {
            // 1. Push payload (if server sends title)
@@ -554,7 +555,7 @@ extension AppDelegate: PKPushRegistryDelegate {
            }
            return "Rosetta"
        }()
-        Logger.voip.info("VoIP resolved: key=\(callerKey.prefix(16), privacy: .public) name=\(callerName, privacy: .public) callId=\(callId ?? "nil", privacy: .public)")
+        Logger.voip.info("VoIP resolved: key=\(callerKey.prefix(16), privacy: .public) name=\(callerName, privacy: .public) callId=\(callId ?? "nil", privacy: .public) joinTokenPresent=\((joinToken?.isEmpty == false).description, privacy: .public)")

        // Apple REQUIREMENT: reportNewIncomingCall MUST be called SYNCHRONOUSLY.
        // Using Task { @MainActor } would introduce an async hop that may be
@@ -597,7 +598,9 @@ extension AppDelegate: PKPushRegistryDelegate {
                    }
                    CallManager.shared.setupIncomingCallFromPush(
                        callerKey: callerKey,
-                        callerName: callerName
+                        callerName: callerName,
+                        callId: callId,
+                        joinToken: joinToken
                    )
                }

@@ -671,7 +674,6 @@ struct RosettaApp: App {
    @AppStorage("hasCompletedOnboarding") private var hasCompletedOnboarding = false
    @AppStorage("isLoggedIn") private var isLoggedIn = false
    @AppStorage("hasLaunchedBefore") private var hasLaunchedBefore = false
-    @AppStorage("rosetta_dark_mode") private var isDarkMode: Bool = true
    @State private var appState: AppState?
    @State private var transitionOverlay: Bool = false

@@ -695,7 +697,11 @@ struct RosettaApp: App {
                        .animation(.easeInOut(duration: 0.035), value: transitionOverlay)
                }
            }
-            .preferredColorScheme(isDarkMode ? .dark : .light)
+            // NOTE: preferredColorScheme removed — DarkModeWrapper is the single
+            // source of truth via window.overrideUserInterfaceStyle. Having both
+            // caused snapshot races where the hosting controller's stale
+            // preferredColorScheme(.dark) blocked the window's .light override,
+            // making dark→light circular reveal animation invisible.
            .onAppear {
                if appState == nil {
                    appState = initialState()
--- a/RosettaTests/CallPacketParityTests.swift
+++ b/RosettaTests/CallPacketParityTests.swift
@@ -2,12 +2,23 @@ import XCTest
@testable import Rosetta

 final class CallPacketParityTests: XCTestCase {
-    func testSignalPeerRoundTripForCallKeyExchangeAndCreateRoom() throws {
+    func testSignalPeerRoundTripForLegacyCallAcceptEndCallAndKeyExchange() throws {
        let call = PacketSignalPeer(
            src: "02caller",
            dst: "02callee",
            sharedPublic: "",
            signalType: .call,
+            callId: "call-123",
+            joinToken: "join-123",
+            roomId: ""
+        )
+        let accept = PacketSignalPeer(
+            src: "02callee",
+            dst: "02caller",
+            sharedPublic: "",
+            signalType: .accept,
+            callId: "call-123",
+            joinToken: "join-123",
            roomId: ""
        )
        let keyExchange = PacketSignalPeer(
@@ -15,14 +26,18 @@ final class CallPacketParityTests: XCTestCase {
            dst: "02caller",
            sharedPublic: "abcdef012345",
            signalType: .keyExchange,
+            callId: "",
+            joinToken: "",
            roomId: ""
        )
-        let createRoom = PacketSignalPeer(
+        let endCall = PacketSignalPeer(
            src: "02caller",
            dst: "02callee",
            sharedPublic: "",
-            signalType: .createRoom,
-            roomId: "room-42"
+            signalType: .endCall,
+            callId: "call-123",
+            joinToken: "join-123",
+            roomId: ""
        )

        let decodedCall = try decodeSignal(call)
@@ -30,29 +45,67 @@ final class CallPacketParityTests: XCTestCase {
        XCTAssertEqual(decodedCall.src, "02caller")
        XCTAssertEqual(decodedCall.dst, "02callee")
        XCTAssertEqual(decodedCall.sharedPublic, "")
+        XCTAssertEqual(decodedCall.callId, "call-123")
+        XCTAssertEqual(decodedCall.joinToken, "join-123")
        XCTAssertEqual(decodedCall.roomId, "")

+        let decodedAccept = try decodeSignal(accept)
+        XCTAssertEqual(decodedAccept.signalType, .accept)
+        XCTAssertEqual(decodedAccept.callId, "call-123")
+        XCTAssertEqual(decodedAccept.joinToken, "join-123")
+
        let decodedKeyExchange = try decodeSignal(keyExchange)
        XCTAssertEqual(decodedKeyExchange.signalType, .keyExchange)
        XCTAssertEqual(decodedKeyExchange.src, "02callee")
        XCTAssertEqual(decodedKeyExchange.dst, "02caller")
        XCTAssertEqual(decodedKeyExchange.sharedPublic, "abcdef012345")
+        XCTAssertEqual(decodedKeyExchange.callId, "")
+        XCTAssertEqual(decodedKeyExchange.joinToken, "")
        XCTAssertEqual(decodedKeyExchange.roomId, "")

+        let decodedEndCall = try decodeSignal(endCall)
+        XCTAssertEqual(decodedEndCall.signalType, .endCall)
+        XCTAssertEqual(decodedEndCall.callId, "call-123")
+        XCTAssertEqual(decodedEndCall.joinToken, "join-123")
+    }
+
+    func testSignalCodeFourRoundTripForLegacyActiveAndCreateRoomFallback() throws {
+        let legacyActive = PacketSignalPeer(
+            src: "02caller",
+            dst: "02callee",
+            sharedPublic: "",
+            signalType: .createRoom,
+            callId: "",
+            joinToken: "",
+            roomId: ""
+        )
+        let createRoom = PacketSignalPeer(
+            src: "02caller",
+            dst: "02callee",
+            sharedPublic: "",
+            signalType: .createRoom,
+            callId: "",
+            joinToken: "",
+            roomId: "room-42"
+        )
+
+        let decodedLegacyActive = try decodeSignal(legacyActive)
+        XCTAssertEqual(decodedLegacyActive.signalType, .createRoom)
+        XCTAssertEqual(decodedLegacyActive.roomId, "")
+
        let decodedCreateRoom = try decodeSignal(createRoom)
        XCTAssertEqual(decodedCreateRoom.signalType, .createRoom)
-        XCTAssertEqual(decodedCreateRoom.src, "02caller")
-        XCTAssertEqual(decodedCreateRoom.dst, "02callee")
-        XCTAssertEqual(decodedCreateRoom.sharedPublic, "")
        XCTAssertEqual(decodedCreateRoom.roomId, "room-42")
    }

-    func testSignalPeerRoundTripForBusyAndPeerDisconnectedShortFormat() throws {
+    func testSignalPeerRoundTripForBusyPeerDisconnectedAndRingingTimeoutShortFormat() throws {
        let busy = PacketSignalPeer(
            src: "02should-not-be-sent",
            dst: "02should-not-be-sent",
            sharedPublic: "ignored",
            signalType: .endCallBecauseBusy,
+            callId: "ignored",
+            joinToken: "ignored",
            roomId: "ignored-room"
        )
        let disconnected = PacketSignalPeer(
@@ -60,6 +113,17 @@ final class CallPacketParityTests: XCTestCase {
            dst: "02should-not-be-sent",
            sharedPublic: "ignored",
            signalType: .endCallBecausePeerDisconnected,
+            callId: "ignored",
+            joinToken: "ignored",
+            roomId: "ignored-room"
+        )
+        let ringingTimeout = PacketSignalPeer(
+            src: "02should-not-be-sent",
+            dst: "02should-not-be-sent",
+            sharedPublic: "ignored",
+            signalType: .ringingTimeout,
+            callId: "ignored",
+            joinToken: "ignored",
            roomId: "ignored-room"
        )

@@ -68,6 +132,8 @@ final class CallPacketParityTests: XCTestCase {
        XCTAssertEqual(decodedBusy.src, "")
        XCTAssertEqual(decodedBusy.dst, "")
        XCTAssertEqual(decodedBusy.sharedPublic, "")
+        XCTAssertEqual(decodedBusy.callId, "")
+        XCTAssertEqual(decodedBusy.joinToken, "")
        XCTAssertEqual(decodedBusy.roomId, "")

        let decodedDisconnected = try decodeSignal(disconnected)
@@ -75,7 +141,18 @@ final class CallPacketParityTests: XCTestCase {
        XCTAssertEqual(decodedDisconnected.src, "")
        XCTAssertEqual(decodedDisconnected.dst, "")
        XCTAssertEqual(decodedDisconnected.sharedPublic, "")
+        XCTAssertEqual(decodedDisconnected.callId, "")
+        XCTAssertEqual(decodedDisconnected.joinToken, "")
        XCTAssertEqual(decodedDisconnected.roomId, "")
+
+        let decodedTimeout = try decodeSignal(ringingTimeout)
+        XCTAssertEqual(decodedTimeout.signalType, .ringingTimeout)
+        XCTAssertEqual(decodedTimeout.src, "")
+        XCTAssertEqual(decodedTimeout.dst, "")
+        XCTAssertEqual(decodedTimeout.sharedPublic, "")
+        XCTAssertEqual(decodedTimeout.callId, "")
+        XCTAssertEqual(decodedTimeout.joinToken, "")
+        XCTAssertEqual(decodedTimeout.roomId, "")
    }

    func testWebRtcRoundTripForOfferAnswerAndIceCandidate() throws {
--- a/RosettaTests/CallPushIntegrationTests.swift
+++ b/RosettaTests/CallPushIntegrationTests.swift
@@ -97,12 +97,14 @@ struct SignalPeerCallFlowTests {
        let caller = "02a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2"
        let callee = "03f0e1d2c3b4a5968778695a4b3c2d1e0f9e8d7c6b5a49382716051a2b3c4d5e6f"
        let packet = PacketSignalPeer(src: caller, dst: callee, sharedPublic: "",
-                                      signalType: .call, roomId: "")
+                                      signalType: .call, callId: "call-1", joinToken: "join-1", roomId: "")
        let decoded = try decode(packet)
        #expect(decoded.signalType == .call)
        #expect(decoded.src == caller)
        #expect(decoded.dst == callee)
        #expect(decoded.sharedPublic == "")
+        #expect(decoded.callId == "call-1")
+        #expect(decoded.joinToken == "join-1")
        #expect(decoded.roomId == "")
    }

@@ -153,6 +155,19 @@ struct SignalPeerCallFlowTests {
        #expect(decoded.signalType == .endCallBecausePeerDisconnected)
    }

+    @Test("RINGING_TIMEOUT short format — 3 bytes wire size")
+    func ringingTimeoutShortFormat() throws {
+        let packet = PacketSignalPeer(src: "ignored", dst: "ignored", sharedPublic: "ignored",
+                                      signalType: .ringingTimeout, roomId: "ignored")
+        let data = PacketRegistry.encode(packet)
+        #expect(data.count == 3)
+
+        let decoded = try decode(packet)
+        #expect(decoded.signalType == .ringingTimeout)
+        #expect(decoded.src == "")
+        #expect(decoded.dst == "")
+    }
+
    private func decode(_ packet: PacketSignalPeer) throws -> PacketSignalPeer {
        let data = PacketRegistry.encode(packet)
        guard let result = PacketRegistry.decode(from: data),
@@ -171,7 +186,8 @@ struct CallPushEnumParityTests {
          arguments: [
            (SignalType.call, 0), (SignalType.keyExchange, 1), (SignalType.activeCall, 2),
            (SignalType.endCall, 3), (SignalType.createRoom, 4),
-            (SignalType.endCallBecausePeerDisconnected, 5), (SignalType.endCallBecauseBusy, 6)
+            (SignalType.endCallBecausePeerDisconnected, 5), (SignalType.endCallBecauseBusy, 6),
+            (SignalType.accept, 7), (SignalType.ringingTimeout, 8)
          ])
    func signalTypeEnumValues(pair: (SignalType, Int)) {
        #expect(pair.0.rawValue == pair.1)
@@ -222,12 +238,12 @@ struct CallPushWireFormatTests {
        #expect(data[14] == 0x00); #expect(data[15] == 0x42)
    }

-    @Test("SignalPeer call byte layout: signalType→src→dst")
+    @Test("SignalPeer call byte layout: signalType→src→dst→callId→joinToken")
    func signalPeerCallByteLayout() {
        let packet = PacketSignalPeer(src: "S", dst: "D", sharedPublic: "",
                                      signalType: .call, roomId: "")
        let data = PacketRegistry.encode(packet)
-        #expect(data.count == 15)
+        #expect(data.count == 23)

        // packetId = 0x001A
        #expect(data[0] == 0x00); #expect(data[1] == 0x1A)
@@ -241,6 +257,12 @@ struct CallPushWireFormatTests {
        #expect(data[9] == 0x00); #expect(data[10] == 0x00)
        #expect(data[11] == 0x00); #expect(data[12] == 0x01)
        #expect(data[13] == 0x00); #expect(data[14] == 0x44)
+        // callId "": length=0
+        #expect(data[15] == 0x00); #expect(data[16] == 0x00)
+        #expect(data[17] == 0x00); #expect(data[18] == 0x00)
+        // joinToken "": length=0
+        #expect(data[19] == 0x00); #expect(data[20] == 0x00)
+        #expect(data[21] == 0x00); #expect(data[22] == 0x00)
    }
 }

--- a/RosettaTests/CallRoutingTests.swift
+++ b/RosettaTests/CallRoutingTests.swift
@@ -1,3 +1,4 @@
+import CryptoKit
 import XCTest
@testable import Rosetta

@@ -101,4 +102,127 @@ final class CallRoutingTests: XCTestCase {
        XCTAssertEqual(CallManager.shared.uiState.peerPublicKey, peerA)
        XCTAssertEqual(CallManager.shared.uiState.statusText, "Calling...")
    }
+
+    func testLegacyOutgoingFlowCallAcceptKeyExchangeActive() {
+        let start = CallManager.shared.startOutgoingCall(
+            toPublicKey: peerA,
+            title: "Peer A",
+            username: "peer_a"
+        )
+        XCTAssertEqual(start, .started)
+
+        let accept = PacketSignalPeer(
+            src: peerA,
+            dst: ownKey,
+            sharedPublic: "",
+            signalType: .accept,
+            callId: "call-legacy-1",
+            joinToken: "join-legacy-1",
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(accept)
+
+        XCTAssertEqual(CallManager.shared.signalingMode, .legacy)
+        XCTAssertEqual(CallManager.shared.callId, "call-legacy-1")
+        XCTAssertEqual(CallManager.shared.joinToken, "join-legacy-1")
+        XCTAssertEqual(CallManager.shared.uiState.phase, .keyExchange)
+
+        let keyExchange = PacketSignalPeer(
+            src: peerA,
+            dst: ownKey,
+            sharedPublic: makePeerPublicHex(),
+            signalType: .keyExchange,
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(keyExchange)
+        XCTAssertEqual(CallManager.shared.uiState.phase, .keyExchange)
+
+        // Legacy ACTIVE arrives as signal code 4 with empty roomId.
+        let active = PacketSignalPeer(
+            src: peerA,
+            dst: ownKey,
+            sharedPublic: "",
+            signalType: .createRoom,
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(active)
+        XCTAssertEqual(CallManager.shared.uiState.phase, .webRtcExchange)
+    }
+
+    func testCreateRoomFallbackOutgoingFlowKeyExchangeBeforeAccept() {
+        let start = CallManager.shared.startOutgoingCall(
+            toPublicKey: peerA,
+            title: "Peer A",
+            username: "peer_a"
+        )
+        XCTAssertEqual(start, .started)
+
+        let keyExchange = PacketSignalPeer(
+            src: peerA,
+            dst: ownKey,
+            sharedPublic: makePeerPublicHex(),
+            signalType: .keyExchange,
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(keyExchange)
+
+        XCTAssertEqual(CallManager.shared.signalingMode, .createRoom)
+        XCTAssertEqual(CallManager.shared.uiState.phase, .webRtcExchange)
+    }
+
+    func testDeferredAcceptCompletesWhenMetadataArrivesLater() {
+        CallManager.shared.setupIncomingCallFromPush(
+            callerKey: peerA,
+            callerName: "Peer A"
+        )
+        XCTAssertEqual(CallManager.shared.uiState.phase, .incoming)
+
+        let acceptResult = CallManager.shared.acceptIncomingCall()
+        XCTAssertEqual(acceptResult, .started)
+        XCTAssertTrue(CallManager.shared.pendingIncomingAccept)
+        XCTAssertEqual(CallManager.shared.uiState.phase, .keyExchange)
+        XCTAssertEqual(CallManager.shared.signalingMode, .undecided)
+
+        let delayedCall = PacketSignalPeer(
+            src: peerA,
+            dst: ownKey,
+            sharedPublic: "",
+            signalType: .call,
+            callId: "call-delayed-1",
+            joinToken: "join-delayed-1",
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(delayedCall)
+
+        XCTAssertEqual(CallManager.shared.signalingMode, .legacy)
+        XCTAssertFalse(CallManager.shared.pendingIncomingAccept)
+        XCTAssertEqual(CallManager.shared.callId, "call-delayed-1")
+        XCTAssertEqual(CallManager.shared.joinToken, "join-delayed-1")
+        XCTAssertEqual(CallManager.shared.uiState.phase, .keyExchange)
+    }
+
+    func testRingingTimeoutSignalTearsDownCall() {
+        let start = CallManager.shared.startOutgoingCall(
+            toPublicKey: peerA,
+            title: "Peer A",
+            username: "peer_a"
+        )
+        XCTAssertEqual(start, .started)
+
+        let timeoutPacket = PacketSignalPeer(
+            src: "",
+            dst: "",
+            sharedPublic: "",
+            signalType: .ringingTimeout,
+            roomId: ""
+        )
+        CallManager.shared.testHandleSignalPacket(timeoutPacket)
+
+        XCTAssertEqual(CallManager.shared.uiState.phase, .idle)
+        XCTAssertEqual(CallManager.shared.uiState.statusText, "No answer")
+    }
+
+    private func makePeerPublicHex() -> String {
+        Curve25519.KeyAgreement.PrivateKey().publicKey.rawRepresentation.hexString
+    }
 }