fix(telegram,core): first message seeds the branch, registered commands, no ellipses, html drafts

src/beaver_gateway/frontends/telegram/drafts.py

@@ -15,7 +15,9 @@ import time
 import zlib
 from typing import TYPE_CHECKING
 
-from aiogram.exceptions import TelegramAPIError
+from aiogram.exceptions import TelegramAPIError, TelegramBadRequest
+
+from beaver_gateway.frontends.telegram.render import to_html
 
 if TYPE_CHECKING:
     from aiogram import Bot
@@ -37,7 +39,7 @@ class Draft:
         thread_id: int | None,
         turn_id: str,
         interval: float = 0.7,
-        status: str = "⏳ думаю…",
+        status: str = "⏳ думаю",
     ) -> None:
         self._bot = bot
         self._chat_id = chat_id
@@ -82,20 +84,27 @@ class Draft:
     async def _push(self) -> None:
         self._dirty = False
         self._last_sent = time.monotonic()
+        text = self._render()
         try:
-            await self._bot.send_message_draft(
-                chat_id=self._chat_id,
-                draft_id=self._draft_id,
-                message_thread_id=self._thread_id,
-                text=self._render(),
-                parse_mode=None,
-            )
+            try:
+                await self._send(to_html(text), "HTML")
+            except TelegramBadRequest:
+                await self._send(text, None)
         except TelegramAPIError as exc:
             self._broken = True
             _log.warning(
                 "draft to %s/%s stopped: %s", self._chat_id, self._thread_id, exc
             )
 
+    async def _send(self, text: str, parse_mode: str | None) -> None:
+        await self._bot.send_message_draft(
+            chat_id=self._chat_id,
+            draft_id=self._draft_id,
+            message_thread_id=self._thread_id,
+            text=text,
+            parse_mode=parse_mode,
+        )
+
     def _render(self) -> str:
         tail = self.text[-_TAIL:]
         return f"{self.status}\n\n{tail}" if tail.strip() else self.status