🧹 Конфиг: услуги, мастера и время вынесены в config.py

- SERVICES, MASTERS, TIME_SLOTS в config.py
- Клавиатуры services.py, masters.py, time_slots.py берут данные из config
- booking.py импортирует services/masters из config вместо хардкода
- time_slots отображает занятые слоты как ❌, свободные как ✅

app/keyboards/time_slots.py

@@ -1,41 +1,19 @@
-from aiogram.types import InlineKeyboardMarkup
-from aiogram.types import InlineKeyboardButton
+from aiogram.types import InlineKeyboardMarkup, InlineKeyboardButton
+from app.config import TIME_SLOTS
 
 
-def get_time_keyboard(
-    busy_times=None
-):
-
-    if busy_times is None:
-        busy_times = []
-
-    times = [
-        "10:00",
-        "11:00",
-        "12:00",
-        "13:00",
-        "14:00",
-        "15:00",
-        "16:00",
-        "17:00"
-    ]
-
+def get_time_keyboard(busy_times):
     buttons = []
-
-    for time in times:
-
-        if time in busy_times:
-            continue
-
-        buttons.append(
-            [
-                InlineKeyboardButton(
-                    text=time,
-                    callback_data=f"time_{time}"
-                )
-            ]
-        )
-
-    return InlineKeyboardMarkup(
-        inline_keyboard=buttons
-    )
+    row = []
+    for slot in TIME_SLOTS:
+        if slot in busy_times:
+            label = f❌ {slot}
+        else:
+            label = f✅ {slot}
+        row.append(InlineKeyboardButton(text=label, callback_data=ftime_{slot}))
+        if len(row) == 3:
+            buttons.append(row)
+            row = []
+    if row:
+        buttons.append(row)
+    return InlineKeyboardMarkup(inline_keyboard=buttons)