Stabilize staff concurrency and premium emoji; enable verified Drone deployment

src/middlewares/runtime.py

@@ -0,0 +1,38 @@
+"""Keep sensitive dialogs private and report unexpected failures safely."""
+import logging
+
+from aiogram import BaseMiddleware
+from aiogram.types import CallbackQuery, Message
+from aiogram.exceptions import TelegramBadRequest
+
+logger = logging.getLogger(__name__)
+
+
+class PrivateDialogMiddleware(BaseMiddleware):
+    async def __call__(self, handler, event, data):
+        message = event if isinstance(event, Message) else getattr(event, "message", None)
+        if message and message.chat.type != "private":
+            if isinstance(event, CallbackQuery):
+                await event.answer("Откройте личный диалог с ботом", show_alert=True)
+            return
+        return await handler(event, data)
+
+
+class ErrorMiddleware(BaseMiddleware):
+    async def __call__(self, handler, event, data):
+        try:
+            return await handler(event, data)
+        except TelegramBadRequest as error:
+            if "message is not modified" in str(error):
+                if isinstance(event, CallbackQuery):
+                    await event.answer()
+                return
+            logger.exception("Telegram rejected a bot response")
+        except Exception:
+            logger.exception("Update handler failed")
+        message = event.message if isinstance(event, CallbackQuery) else event
+        if message:
+            try:
+                await message.answer("Не удалось выполнить действие. Попробуйте ещё раз или отправьте /cancel.")
+            except Exception:
+                logger.warning("Failed to deliver error response")