Добавлена кнопка Назад на всех этапах записи (услуга→мастер→дата→время→подтверждение)

app/handlers/booking.py

@@ -290,3 +290,73 @@ async def edit_booking_callback(
         "Выберите услугу:",
         reply_markup=get_services_keyboard()
     )
+
+
+@router.callback_query(
+    F.data == "go_back"
+)
+async def go_back_handler(
+        callback: CallbackQuery,
+        state: FSMContext
+):
+    current_state = await state.get_state()
+
+    if current_state == BookingState.master:
+        # Back to service selection
+        await state.set_state(BookingState.service)
+        from app.keyboards.services import get_services_keyboard
+        await callback.message.edit_text(
+            "Выберите услугу:",
+            reply_markup=get_services_keyboard()
+        )
+
+    elif current_state == BookingState.date:
+        # Back to master selection
+        await state.set_state(BookingState.master)
+        from app.keyboards.masters import get_masters_keyboard
+        # Remove saved date from state, keep service
+        data = await state.get_data()
+        data.pop("date", None)
+        data.pop("time", None)
+        await state.set_data(data)
+        await callback.message.edit_text(
+            "👤 Выберите специалиста:",
+            reply_markup=get_masters_keyboard()
+        )
+
+    elif current_state == BookingState.time:
+        # Back to date selection
+        await state.set_state(BookingState.date)
+        from app.keyboards.calendar import get_dates_keyboard
+        # Remove saved time, keep master/date
+        data = await state.get_data()
+        data.pop("time", None)
+        await state.set_data(data)
+        await callback.message.edit_text(
+            "📅 Выберите дату:",
+            reply_markup=get_dates_keyboard()
+        )
+
+    elif current_state == BookingState.confirm:
+        # Back to time selection
+        await state.set_state(BookingState.time)
+        data = await state.get_data()
+        from app.keyboards.time_slots import get_time_keyboard
+        from app.services.booking_service import get_busy_times
+        busy_times = await get_busy_times(
+            master=data.get("master", "?"),
+            date=data.get("date", "?")
+        )
+        await callback.message.edit_text(
+            "🕒 Выберите время:",
+            reply_markup=get_time_keyboard(busy_times)
+        )
+
+    else:
+        # Fallback — back to start
+        await state.clear()
+        await callback.message.edit_text(
+            "Отмена записи"
+        )
+
+    await callback.answer()

app/keyboards/back.py

@@ -0,0 +1,5 @@
+from aiogram.types import InlineKeyboardButton
+
+
+def get_back_button():
+    return [InlineKeyboardButton(text="◀ Назад", callback_data="go_back")]

app/keyboards/masters.py

@@ -2,9 +2,13 @@ from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
 from app.config import MASTERS
 
 
+from app.keyboards.back import get_back_button
+
+
 def get_masters_keyboard():
     buttons = [
         [InlineKeyboardButton(text=name, callback_data=key)]
         for key, name in MASTERS.items()
     ]
+    buttons.append(get_back_button())
     return InlineKeyboardMarkup(inline_keyboard=buttons)

app/keyboards/services.py

@@ -2,9 +2,13 @@ from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
 from app.config import SERVICES
 
 
+from app.keyboards.back import get_back_button
+
+
 def get_services_keyboard():
     buttons = [
         [InlineKeyboardButton(text=name, callback_data=key)]
         for key, name in SERVICES.items()
     ]
+    buttons.append(get_back_button())
     return InlineKeyboardMarkup(inline_keyboard=buttons)