refactor(bot): modularize bot code

bot/services/twofa.py

@@ -0,0 +1,41 @@
+import asyncio
+
+from bot.api.asf import get_2fa_token, get_confirmations
+from bot.state import twofa_tasks
+from bot.ui.keyboards import twofa_keyboard
+
+
+async def stop_twofa_task(message_id: int) -> None:
+    task = twofa_tasks.pop(message_id, None)
+    if task:
+        task.cancel()
+        try:
+            await task
+        except Exception:
+            pass
+
+
+async def auto_update_2fa(message, bot_name: str) -> None:
+    last_code = None
+    message_id = message.message_id
+    try:
+        while True:
+            code = await get_2fa_token(bot_name)
+            if code != last_code:
+                confirmations = await get_confirmations(bot_name)
+                text = f"🔐 {bot_name}\n\n<code>{code}</code>"
+                try:
+                    await message.edit_text(
+                        text,
+                        reply_markup=twofa_keyboard(bot_name, bool(confirmations)),
+                    )
+                    last_code = code
+                except Exception:
+                    break
+            await asyncio.sleep(15)
+    except asyncio.CancelledError:
+        pass
+    except Exception as error:
+        print(f"2FA updater error: {error}")
+    finally:
+        twofa_tasks.pop(message_id, None)