Add reply closure button gate for Telegram

AGENTS.md

@@ -43,6 +43,15 @@ Use it whenever work requires any of:
 
 Do not treat non-chat work as ordinary reply flow.
 
+### Reply Closure Rule
+
+On Telegram, if the final actionable part of your reply needs the human to decide, confirm, approve, stop, continue, rerun, or choose a next step:
+- do **not** end with plain text only
+- do **not** say buttons will be used unless you are actually sending them
+- either send real inline buttons or execute the most reasonable next step directly
+
+If you fail this, call it a workflow violation and correct it immediately.
+
 ## Memory
 
 You wake up fresh each session. These files are your continuity: