From f13e371d5ad946ee74704d3474e84a56cc9b09e7 Mon Sep 17 00:00:00 2001
From: senseiGai <swerss564@gmail.com>
Date: Sat, 18 Apr 2026 13:23:05 +0500
Subject: [PATCH] =?UTF-8?q?WIP:=20date=20pills=20=D0=BD=D0=B0=D1=87=D0=B0?=
 =?UTF-8?q?=D0=BB=D0=BE=20+=20memory:=20no=20MVP=20policy?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../RosettaMessageListController.swift        | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/Rosetta/Features/Chats/ChatDetail/ListView/RosettaMessageListController.swift b/Rosetta/Features/Chats/ChatDetail/ListView/RosettaMessageListController.swift
index 57f13f1..759141a 100644
--- a/Rosetta/Features/Chats/ChatDetail/ListView/RosettaMessageListController.swift
+++ b/Rosetta/Features/Chats/ChatDetail/ListView/RosettaMessageListController.swift
@@ -56,6 +56,11 @@ final class RosettaMessageListController: UIViewController {
 
     private let listView = RosettaListView(frame: .zero)
 
+    /// Floating date pill overlay (Telegram-style sticky date headers).
+    private let datePillOverlay = UIView()
+    private var datePillPool: [(container: UIView, label: UILabel)] = []
+    var topStickyOffset: CGFloat = 0
+
     // MARK: - State
 
     private var messages: [ChatMessage] = []
@@ -99,7 +104,20 @@ final class RosettaMessageListController: UIViewController {
             }
         }
         listView.onScroll = { [weak self] _, _ in
-            // TODO: scroll-to-bottom button visibility
+            self?.updateFloatingDatePills()
+        }
+
+        // Date pill overlay
+        datePillOverlay.frame = view.bounds
+        datePillOverlay.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        datePillOverlay.isUserInteractionEnabled = false
+        view.addSubview(datePillOverlay)
+
+        // Pre-create date pill pool (reuse like NativeMessageList)
+        for _ in 0..<5 {
+            let pill = makeDatePill()
+            datePillOverlay.addSubview(pill.container)
+            datePillPool.append(pill)
         }
 
         // Keyboard tracking