feat: новые функции, исправлены критические ошибки сборки и баги интерфейса, больше подписей в файлах

submodules/TelegramCore/Sources/SendDelay/SendDelayManager.swift

@@ -0,0 +1,55 @@
+import Foundation
+
+/// SendDelayManager - delays outgoing messages by ~12 seconds to prevent
+/// online status from appearing after sending.
+///
+/// Delays are applied per-message at the enqueueMessages level.
+/// Media messages receive a slightly longer delay (~20 s) because upload
+/// time would otherwise reveal the send moment anyway.
+public final class SendDelayManager {
+
+    // MARK: - Singleton
+
+    public static let shared = SendDelayManager()
+
+    // MARK: - UserDefaults Keys
+
+    private enum Keys {
+        static let isEnabled = "SendDelay.isEnabled"
+    }
+
+    // MARK: - Storage
+
+    private let defaults = UserDefaults.standard
+
+    // MARK: - Properties
+
+    /// When true, all outgoing messages are delayed before being enqueued.
+    public var isEnabled: Bool {
+        get { defaults.bool(forKey: Keys.isEnabled) }
+        set {
+            defaults.set(newValue, forKey: Keys.isEnabled)
+            notifySettingsChanged()
+        }
+    }
+
+    // MARK: - Delay constants
+
+    /// Base delay for text-only messages.
+    public static let textDelaySeconds: Double = 12.0
+
+    /// Delay for messages that contain media attachments.
+    public static let mediaDelaySeconds: Double = 20.0
+
+    // MARK: - Init
+
+    private init() {}
+
+    // MARK: - Notifications
+
+    public static let settingsChangedNotification = Notification.Name("SendDelaySettingsChanged")
+
+    private func notifySettingsChanged() {
+        NotificationCenter.default.post(name: SendDelayManager.settingsChangedNotification, object: nil)
+    }
+}