Add quiet hours, health checks, and logging

handlers/backup.py

@@ -4,7 +4,7 @@ import os
 from datetime import datetime
 from aiogram import F
 from aiogram.types import Message, InlineKeyboardMarkup, InlineKeyboardButton, CallbackQuery
-from app import dp
+from app import dp, cfg
 from auth import is_admin_msg, is_admin_cb
 from keyboards import backup_kb
 from lock_utils import acquire_lock, release_lock
@@ -200,6 +200,9 @@ async def cmd_backup_status(msg: Message):
 
 async def cmd_backup_now(msg: Message):
     async def job():
+        if cfg.get("safety", {}).get("dry_run", False):
+            await msg.answer("🧪 Dry-run: backup skipped", reply_markup=backup_kb)
+            return
         if not acquire_lock("backup"):
             await msg.answer("⚠️ Backup уже выполняется", reply_markup=backup_kb)
             return