Оптимизация FPS чата: ForEach fast path, keyboard animation без updateUIView, debounce pipeline, кэши с half-eviction, release notes механизм

Rosetta/Features/Chats/ChatList/ChatListView.swift

@@ -564,6 +564,7 @@ private struct ChatListDialogContent: View {
     @State private var typingDialogs: Set<String> = []
 
     var body: some View {
+        let _ = PerformanceLogger.shared.track("chatList.bodyEval")
         // Use pre-partitioned arrays from ViewModel (single-pass O(n) instead of 3× filter).
         let pinned = viewModel.allModePinned
         let unpinned = viewModel.allModeUnpinned

Rosetta/Features/Chats/ChatList/ChatRowView.swift

@@ -34,6 +34,7 @@ struct ChatRowView: View {
     }
 
     var body: some View {
+        let _ = PerformanceLogger.shared.track("chatRow.bodyEval")
         HStack(spacing: 0) {
             avatarSection
                 .padding(.trailing, 10)