fix: id extraction for clean database.

Author: lorenzo132

core/config.py

@@ -397,6 +397,10 @@ async def set(self, key: str, item: typing.Any, convert=True) -> None:
         if not convert:
             return self.__setitem__(key, item)
 
+        if "channel" in key or "category" in key:
+            if isinstance(item, str) and item not in {"thread", "NONE"}:
+                item = item.strip("<#>")
+
         if key in self.colors:
             try:
                 hex_ = str(item)

core/thread.py

@@ -635,7 +635,9 @@ async def _safe_send_to_channel(*, content=None, embeds=None, allowed_mentions=N
         if notify_channel == "thread":
             await _safe_send_to_channel(content=notify_text, allowed_mentions=discord.AllowedMentions.none())
         else:
-            ch = self.bot.get_channel(int(notify_channel))
+            # Extract channel ID from mention format <#123> or use raw ID
+            channel_id = str(notify_channel).strip("<#>")
+            ch = self.bot.get_channel(int(channel_id))
             if ch:
                 await ch.send(
                     f"⏰ Thread for user <@{self.id}> has been unsnoozed and restored in {channel.mention}",