Срочные улучшения: проверка занятости слота, автоочистка cancelled записей

app/handlers/booking.py

@@ -10,7 +10,9 @@ from app.states.booking import BookingState
 from app.services.booking_service import (
     create_booking,
     update_booking,
-    get_busy_times
+    get_busy_times,
+    is_slot_busy,
+    cleanup_cancelled
 )
 from app.keyboards.menu import menu, cancel_menu
 from app.keyboards.calendar import get_dates_keyboard
@@ -210,14 +212,31 @@ async def confirm_booking_callback(
 
     else:
 
+        # Check if slot is already taken
+        master = data.get('master', '?')
+        date = data.get('date', '?')
+        time = data.get('time', '?')
+
+        if await is_slot_busy(master, date, time):
+            logger.warning("Slot already busy: {mst} {dt} {tm}", mst=master, dt=date, tm=time)
+            await callback.message.edit_text(
+                "❌ Это время уже занято. Пожалуйста, выберите другое время."
+            )
+            await state.clear()
+            await callback.answer()
+            return
+
         await create_booking(
             user_id=callback.from_user.id,
             service=data.get('service', '?'),
-            master=data.get('master', '?'),
-            date=data.get('date', '?'),
-            time=data.get('time', '?')
+            master=master,
+            date=date,
+            time=time
         )
 
+        # Clean up old cancelled bookings
+        cleanup_cancelled()
+
         result_text = "✅ Запись успешно создана"
 
     await state.clear()