diff --git a/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py b/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
index 315f4b7..3bfe5bf 100644
--- a/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
+++ b/codex_telegram_bridge/src/codex_telegram_bridge/exec_bridge.py
@@ -151,16 +151,6 @@ class ProgressEditor:
             self._stop.wait(0.2)
 
 
-def _typing_loop(bot: TelegramClient, chat_id: int, stop_evt: threading.Event) -> None:
-    while not stop_evt.is_set():
-        try:
-            bot.send_chat_action(chat_id=chat_id, action="typing")
-        except Exception as e:
-            log(f"[typing] send_chat_action failed chat_id={chat_id}: {e}")
-            log_debug(f"[typing] send_chat_action failed chat_id={chat_id}: {e}")
-        stop_evt.wait(4.0)
-
-
 class CodexExecRunner:
     """
     Runs Codex in non-interactive mode:
@@ -430,15 +420,6 @@ def run(
         silent_progress = progress_silent
         loud_final = final_notify
 
-        typing_stop = threading.Event()
-        typing_thread = threading.Thread(
-            target=_typing_loop,
-            args=(bot, chat_id, typing_stop),
-            daemon=True,
-        )
-        typing_thread.start()
-        log_debug("[typing] thread started")
-
         started_at = time.monotonic()
         session_box: dict[str, Optional[str]] = {"id": resume_session}
         progress_renderer = ExecProgressRenderer(max_actions=5)
@@ -488,9 +469,6 @@ def run(
                 progress.set_markdown(msg)
 
         def _stop_background() -> None:
-            typing_stop.set()
-            typing_thread.join(timeout=1.0)
-            log_debug("[typing] thread stopped")
             if progress is not None:
                 progress.stop()
                 log_debug("[progress] thread stopped")
diff --git a/codex_telegram_bridge/src/codex_telegram_bridge/telegram_client.py b/codex_telegram_bridge/src/codex_telegram_bridge/telegram_client.py
index 2cbf805..b50141b 100644
--- a/codex_telegram_bridge/src/codex_telegram_bridge/telegram_client.py
+++ b/codex_telegram_bridge/src/codex_telegram_bridge/telegram_client.py
@@ -116,13 +116,13 @@ class TelegramClient:
         rendered_text, entities = render_markdown(text)
         limit = min(chunk_len, TELEGRAM_HARD_LIMIT)
         if len(rendered_text) > limit:
-            # Keep a tail section to preserve the "resume: `...`" line at the end.
             # If we truncate, drop entities to avoid offset gymnastics.
+            # Preserve the final `resume: `...`` line if present.
             sep = "\n" + ELLIPSIS + "\n"
-            tail_len = min(400, max(120, limit // 3))
-            tail = rendered_text[-tail_len:]
-            head_len = max(0, limit - len(sep) - len(tail))
-            rendered_text = rendered_text[:head_len] + sep + tail
+            lines = rendered_text.splitlines()
+            tail = lines[-1] if lines else ""
+            max_head = max(0, limit - len(sep) - len(tail))
+            rendered_text = "".join([rendered_text[:max_head], sep, tail])
             entities = None
 
         msg = self.send_message(
@@ -133,10 +133,3 @@ class TelegramClient:
             entities=entities or None,
         )
         return [msg]
-
-    def send_chat_action(self, chat_id: int, action: str = "typing") -> Dict[str, Any]:
-        params: Dict[str, Any] = {
-            "chat_id": chat_id,
-            "action": action,
-        }
-        return self._call("sendChatAction", params)