fix(gateway): preserve tables in rich Telegram sends and send_message (#45323)

gateway/platforms/telegram.py

@@ -4799,14 +4799,19 @@ async def get_chat_info(self, chat_id: str) -> Dict[str, Any]:
             )
             return {"name": str(chat_id), "type": "dm", "error": str(e)}
 
-    def format_message(self, content: str) -> str:
+    def format_message(self, content: str, *, rewrite_tables: bool = True) -> str:
         """
         Convert standard markdown to Telegram MarkdownV2 format.
 
         Protected regions (code blocks, inline code) are extracted first so
         their contents are never modified.  Standard markdown constructs
         (headers, bold, italic, links) are translated to MarkdownV2 syntax,
         and all remaining special characters are escaped.
+
+        When *rewrite_tables* is True (the default), GFM pipe tables are
+        rewritten into Telegram-friendly bullet groups before escaping.
+        Set to False when the caller wants to preserve raw table syntax
+        (e.g. rich Telegram sends, standalone send_message tool).
         """
         if not content:
             return content
@@ -4825,7 +4830,8 @@ def _ph(value: str) -> str:
 
         # 0) Rewrite GFM-style pipe tables into Telegram-friendly row groups
         #    before the normal MarkdownV2 conversions run.
-        text = _wrap_markdown_tables(text)
+        if rewrite_tables:
+            text = _wrap_markdown_tables(text)
 
         # 1) Protect fenced code blocks (``` ... ```)
         #    Per MarkdownV2 spec, \ and ` inside pre/code must be escaped.

tools/send_message_tool.py

@@ -967,7 +967,7 @@ async def _send_telegram(token, chat_id, message, media_files=None, thread_id=No
             try:
                 from gateway.platforms.telegram import TelegramAdapter
                 _adapter = TelegramAdapter.__new__(TelegramAdapter)
-                formatted = _adapter.format_message(message)
+                formatted = _adapter.format_message(message, rewrite_tables=False)
             except Exception:
                 # Fallback: send as-is if formatting unavailable
                 formatted = message