feat: update admin panel keyboard structure and registration button logic

- Updated admin panel keyboard to match admin_panel.py handlers
- Changed registration button logic: show only for unregistered non-admins
- Added missing methods to IBotController interface
- Updated get_main_keyboard to accept is_registered parameter
- Simplified admin panel structure with proper callback routing
- Removed test callback button from production UI
- Created ADMIN_PANEL_STRUCTURE.md and ADMIN_PANEL_TESTING.md documentation

src/controllers/bot_controller.py

@@ -49,7 +49,10 @@ class BotController(IBotController):
         else:
             welcome_text += "📝 Для участия в розыгрышах необходимо зарегистрироваться."
         
-        keyboard = self.keyboard_builder.get_main_keyboard(self.is_admin(message.from_user.id))
+        keyboard = self.keyboard_builder.get_main_keyboard(
+            is_admin=self.is_admin(message.from_user.id),
+            is_registered=user.is_registered
+        )
         
         await message.answer(
             welcome_text,
@@ -119,7 +122,7 @@ class BotController(IBotController):
     
     async def handle_active_lotteries(self, callback: CallbackQuery):
         """Показать активные розыгрыши"""
-        lotteries = await self.lottery_service.get_active_lotteries()
+        lotteries = await self.lottery_repo.get_active()
         
         if not lotteries:
             await callback.answer("❌ Нет активных розыгрышей", show_alert=True)
@@ -132,7 +135,18 @@ class BotController(IBotController):
             lottery_info = self.message_formatter.format_lottery_info(lottery, participants_count)
             text += lottery_info + "\n" + "="*30 + "\n\n"
         
-        keyboard = self.keyboard_builder.get_main_keyboard(self.is_admin(callback.from_user.id))
+        # Получаем информацию о регистрации пользователя
+        user = await self.user_service.get_or_create_user(
+            telegram_id=callback.from_user.id,
+            username=callback.from_user.username,
+            first_name=callback.from_user.first_name,
+            last_name=callback.from_user.last_name
+        )
+        
+        keyboard = self.keyboard_builder.get_main_keyboard(
+            is_admin=self.is_admin(callback.from_user.id),
+            is_registered=user.is_registered
+        )
         
         await callback.message.edit_text(
             text,