Чат: вертикальное центрирование bubble вложений, tap-to-download аватар и мгновенный показ call-attachment

RosettaLiveActivityWidget/CallActivityAttributes.swift

@@ -0,0 +1,15 @@
+import ActivityKit
+import Foundation
+
+struct CallActivityAttributes: ActivityAttributes {
+    /// Fixed data set when the activity starts.
+    let peerName: String
+    let peerPublicKey: String
+
+    /// Dynamic state updated during the call.
+    struct ContentState: Codable, Hashable {
+        let durationSec: Int
+        let isActive: Bool
+        let isMuted: Bool
+    }
+}