diff --git a/bot/handlers/admin/broadcast.py b/bot/handlers/admin/broadcast.py
index bb2aa68..7c701b3 100644
--- a/bot/handlers/admin/broadcast.py
+++ b/bot/handlers/admin/broadcast.py
@@ -84,8 +84,7 @@ async def process_broadcast_message_handler(
         broadcast_entities=entities,
     )
 
-    preview_snippet = (text[:200] + "...") if len(text) > 200 else text
-    confirmation_prompt = _("admin_broadcast_confirm_prompt", message_preview=preview_snippet)
+    confirmation_prompt = _("admin_broadcast_confirm_prompt", message_preview=text)
 
     await message.answer(
         confirmation_prompt,
diff --git a/bot/handlers/admin/sync_admin.py b/bot/handlers/admin/sync_admin.py
index 603ecab..c73139a 100644
--- a/bot/handlers/admin/sync_admin.py
+++ b/bot/handlers/admin/sync_admin.py
@@ -7,6 +7,7 @@ from datetime import datetime, timezone
 
 from config.settings import Settings
 from bot.services.panel_api_service import PanelApiService
+from bot.services.notification_service import notify_admin_panel_sync
 
 from db.dal import user_dal, subscription_dal, panel_sync_dal
 
@@ -222,7 +223,7 @@ async def perform_sync(panel_service: PanelApiService, session: AsyncSession,
     except Exception as e_sync_global:
         await session.rollback()
         logging.error(f"Global error during sync: {e_sync_global}", exc_info=True)
-        error_detail = f"Unexpected error during sync: {str(e_sync_global)[:200]}"
+        error_detail = f"Unexpected error during sync: {str(e_sync_global)}"
         
         await panel_sync_dal.update_panel_sync_status(
             session, "failed", error_detail, panel_records_checked, subscriptions_synced_count
@@ -286,7 +287,7 @@ async def sync_command_handler(
                 users_synced=sync_result.get("users_synced", 0),
                 subs_synced=sync_result.get("subs_synced", 0),
                 errors_count=len(errors),
-                error_details_preview=error_preview[:200] + "..." if len(error_preview) > 200 else error_preview
+                error_details_preview=error_preview
             )
             await bot.send_message(target_chat_id, final_message)
         else:
@@ -297,10 +298,28 @@ async def sync_command_handler(
                 subs_synced=sync_result.get("subs_synced", 0)
             )
             await bot.send_message(target_chat_id, _("sync_completed", status="Success", details=final_message))
+        
+        # Send notification to log channel with proper thread handling
+        try:
+            await notify_admin_panel_sync(
+                bot, settings, i18n, status, details,
+                sync_result.get("users_processed", 0),
+                sync_result.get("subs_synced", 0)
+            )
+        except Exception as e_notification:
+            logging.error(f"Failed to send sync notification: {e_notification}")
             
     except Exception as e_sync_global:
         logging.error(f"Global error during /sync command: {e_sync_global}", exc_info=True)
         await bot.send_message(target_chat_id, _("sync_failed", details=str(e_sync_global)))
+        
+        # Send notification to log channel about failure
+        try:
+            await notify_admin_panel_sync(
+                bot, settings, i18n, "failed", str(e_sync_global), 0, 0
+            )
+        except Exception as e_notification:
+            logging.error(f"Failed to send sync failure notification: {e_notification}")
 
 
 @router.message(Command("syncstatus"))
@@ -323,11 +342,7 @@ async def sync_status_command_handler(
         )
 
         details_val = status_record_model.details
-        details_str = (
-            (details_val[:200] + "...")
-            if details_val and len(details_val) > 200
-            else (details_val or "N/A")
-        )
+        details_str = details_val or "N/A"
 
         response_text = (
             f"<b>{_('admin_stats_last_sync_header')}</b>\n"
diff --git a/bot/services/notification_service.py b/bot/services/notification_service.py
index 8597597..64f02b9 100644
--- a/bot/services/notification_service.py
+++ b/bot/services/notification_service.py
@@ -221,6 +221,42 @@ class NotificationService:
         # Send to log channel
         await self._send_to_log_channel(message)
 
+    async def notify_panel_sync(self, status: str, details: str, 
+                               users_processed: int, subs_synced: int,
+                               username: Optional[str] = None):
+        """Send notification about panel synchronization"""
+        if not getattr(self.settings, 'LOG_PANEL_SYNC', True):
+            return
+        
+        admin_lang = self.settings.DEFAULT_LANGUAGE
+        _ = lambda k, **kw: self.i18n.gettext(admin_lang, k, **kw) if self.i18n else k
+        
+        # Status emoji based on sync result
+        status_emoji = {
+            "completed": "✅",
+            "completed_with_errors": "⚠️", 
+            "failed": "❌"
+        }.get(status, "🔄")
+        
+        message = _(
+            "log_panel_sync",
+            default="{status_emoji} <b>Синхронизация с панелью</b>\n\n"
+                   "📊 Статус: <b>{status}</b>\n"
+                   "👥 Обработано пользователей: <b>{users_processed}</b>\n"
+                   "📋 Синхронизировано подписок: <b>{subs_synced}</b>\n"
+                   "🕐 Время: {timestamp}\n\n"
+                   "📝 Детали:\n{details}",
+            status_emoji=status_emoji,
+            status=status,
+            users_processed=users_processed,
+            subs_synced=subs_synced,
+            timestamp=datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S %Z"),
+            details=details
+        )
+        
+        # Send to log channel 
+        await self._send_to_log_channel(message)
+
     async def notify_suspicious_promo_attempt(
             self, user_id: int, suspicious_input: str,
             username: Optional[str] = None, first_name: Optional[str] = None):
@@ -297,4 +333,13 @@ async def notify_admin_promo_activation(bot: Bot, settings: Settings,
         user_id=user_id,
         code=code,
         bonus_days=bonus_days,
-    )
\ No newline at end of file
+    )
+
+
+async def notify_admin_panel_sync(bot: Bot, settings: Settings,
+                                  i18n: JsonI18n, status: str,
+                                  details: str, users_processed: int,
+                                  subs_synced: int) -> None:
+    """Send notification to admins about panel sync (legacy)"""
+    notification_service = NotificationService(bot, settings, i18n)
+    await notification_service.notify_panel_sync(status, details, users_processed, subs_synced)
\ No newline at end of file
diff --git a/locales/en.json b/locales/en.json
index 738369e..0811460 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -131,7 +131,7 @@
   "admin_sync_status_never_run": "Panel sync never run.",
 
   "admin_broadcast_enter_message": "Enter the broadcast message (HTML supported):",
-  "admin_broadcast_confirm_prompt": "You are about to send the following message (first 200 characters):\n\n{message_preview}\n\nConfirm sending?",
+  "admin_broadcast_confirm_prompt": "You are about to send the following message:\n\n{message_preview}\n\nConfirm sending?",
   "confirm_broadcast_send_button": "✅ Send",
   "cancel_broadcast_button": "❌ Cancel",
   "admin_broadcast_sending_started": "Starting broadcast...",
@@ -145,6 +145,8 @@
   "admin_promo_create_prompt": "Enter promo details in the format: CODE BONUS_DAYS MAX_USES [VALIDITY_DAYS]\nExample: <code>{example_format}</code>\n(Validity is optional; default is indefinite)",
   "admin_promo_invalid_format": "Invalid format. Please use: CODE BONUS_DAYS MAX_USES [VALIDITY_DAYS]",
   "admin_promo_invalid_code_format": "Code must be 3–30 alphanumeric characters.",
+  "admin_promo_invalid_bonus_days": "Bonus days must be a positive number.",
+  "admin_promo_invalid_max_activations": "Max activations must be a positive number.",
   "admin_promo_invalid_bonus_or_activations": "Bonus days and max uses must be positive numbers.",
   "admin_promo_invalid_validity_days": "Validity period (in days) must be a positive number.",
   "admin_promo_invalid_values": "Invalid values. {error}",
@@ -314,6 +316,7 @@
   "log_payment_received": "{provider_emoji} <b>Payment Received</b>\n\n👤 User: {user_display}\n💰 Amount: <b>{amount} {currency}</b>\n📅 Period: <b>{months} mo.</b>\n🏦 Provider: {payment_provider}\n🕐 Time: {timestamp}",
   "log_promo_activation": "🎁 <b>Promo Code Activated</b>\n\n👤 User: {user_display}\n🏷 Code: <code>{promo_code}</code>\n🎯 Bonus: <b>+{bonus_days}d</b>\n🕐 Time: {timestamp}",
   "log_trial_activation": "🆓 <b>Trial Activated</b>\n\n👤 User: {user_display}\n⏰ Valid until: <b>{end_date}</b>\n🕐 Time: {timestamp}",
+  "log_panel_sync": "{status_emoji} <b>Panel Synchronization</b>\n\n📊 Status: <b>{status}</b>\n👥 Users processed: <b>{users_processed}</b>\n📋 Subscriptions synced: <b>{subs_synced}</b>\n🕐 Time: {timestamp}\n\n📝 Details:\n{details}",
   "log_suspicious_promo": "⚠️ <b>Suspicious Promo Code Attempt</b>\n\n👤 User: {user_display}\n🆔 ID: <code>{user_id}</code>\n📝 Input: <pre>{suspicious_input}</pre>\n🕐 Time: {timestamp}",
 
   "admin_general_cancel_operation": "Operation cancelled ❌",
diff --git a/locales/ru.json b/locales/ru.json
index fd7177d..35598cc 100644
--- a/locales/ru.json
+++ b/locales/ru.json
@@ -131,7 +131,7 @@
   "admin_sync_status_never_run": "Синхронизация с панелью еще не проводилась.",
 
   "admin_broadcast_enter_message": "Введите сообщение для рассылки (HTML поддерживается):",
-  "admin_broadcast_confirm_prompt": "Вы собираетесь отправить следующее сообщение (первые 200 символов):\n\n{message_preview}\n\nПодтверждаете отправку?",
+  "admin_broadcast_confirm_prompt": "Вы собираетесь отправить следующее сообщение:\n\n{message_preview}\n\nПодтверждаете отправку?",
   "confirm_broadcast_send_button": "✅ Отправить",
   "cancel_broadcast_button": "❌ Отмена",
   "admin_broadcast_sending_started": "Начинаю рассылку...",
@@ -145,6 +145,8 @@
   "admin_promo_create_prompt": "Введите детали промокода в формате: КОД ДНИ_БОНУСА МАКС_АКТИВАЦИЙ [СРОК_ДЕЙСТВИЯ_В_ДНЯХ_ОТ_СЕЙЧАС]\nПример: <code>{example_format}</code>\n(Срок действия необязателен, по умолчанию - бессрочный)",
   "admin_promo_invalid_format": "Неверный формат ввода. Пожалуйста, используйте: КОД ДНИ_БОНУСА МАКС_АКТИВАЦИЙ [ДНИ_ДЕЙСТВИЯ]",
   "admin_promo_invalid_code_format": "Код должен быть от 3 до 30 символов и содержать только буквы и цифры.",
+  "admin_promo_invalid_bonus_days": "Количество бонусных дней должно быть положительным числом.",
+  "admin_promo_invalid_max_activations": "Максимальное количество активаций должно быть положительным числом.",
   "admin_promo_invalid_bonus_or_activations": "Количество бонусных дней и максимальных активаций должны быть положительными числами.",
   "admin_promo_invalid_validity_days": "Срок действия промокода (в днях) должен быть положительным числом.",
   "admin_promo_invalid_values": "Неверные значения. {error}",
@@ -323,6 +325,7 @@
   "log_payment_received": "{provider_emoji} <b>Получен платеж</b>\n\n👤 Пользователь: {user_display}\n💰 Сумма: <b>{amount} {currency}</b>\n📅 Период: <b>{months} мес.</b>\n🏦 Провайдер: {payment_provider}\n🕐 Время: {timestamp}",
   "log_promo_activation": "🎁 <b>Активирован промокод</b>\n\n👤 Пользователь: {user_display}\n🏷 Код: <code>{promo_code}</code>\n🎯 Бонус: <b>+{bonus_days} дн.</b>\n🕐 Время: {timestamp}",
   "log_trial_activation": "🆓 <b>Активирован триал</b>\n\n👤 Пользователь: {user_display}\n⏰ Действует до: <b>{end_date}</b>\n🕐 Время: {timestamp}",
+  "log_panel_sync": "{status_emoji} <b>Синхронизация с панелью</b>\n\n📊 Статус: <b>{status}</b>\n👥 Обработано пользователей: <b>{users_processed}</b>\n📋 Синхронизировано подписок: <b>{subs_synced}</b>\n🕐 Время: {timestamp}\n\n📝 Детали:\n{details}",
   "log_suspicious_promo": "⚠️ <b>Подозрительная попытка ввода промокода</b>\n\n👤 Пользователь: {user_display}\n🆔 ID: <code>{user_id}</code>\n📝 Ввод: <pre>{suspicious_input}</pre>\n🕐 Время: {timestamp}",
   
   "admin_general_cancel_operation": "Операция отменена ❌",