fix (schedule): Setting tweaks and more bugfixes.

Add the schedule dashboard to the config dashboard.
Move the schedule cost to the second page.
Allow categories to be selected for the session room.

Fix an issue where blacklist role would be checked with no guild data.
Fix typos in session unloading.
Delay session notification.
More logging.

src/modules/schedule/core/session.py

@@ -5,6 +5,7 @@ import asyncio
 import discord
 
 from meta import LionBot
+from meta.logger import log_wrap
 from utils.lib import utc_now
 from utils.lib import MessageArgs
 
@@ -79,6 +80,7 @@ class ScheduledSession:
         self._last_update = None
         self._updater = None
         self._status_task = None
+        self._notify_task = None
 
     def __repr__(self):
         return ' '.join((
@@ -193,6 +195,7 @@ class ScheduledSession:
             if hook:
                 return hook.as_webhook(client=self.bot)
 
+    @log_wrap(action='Lobby Send')
     async def send(self, *args, wait=True, **kwargs):
         lobby_hook = await self.get_lobby_hook()
         if lobby_hook:
@@ -209,6 +212,7 @@ class ScheduledSession:
                     exc_info=True
                 )
 
+    @log_wrap(action='Session Prepare')
     async def prepare(self, **kwargs):
         """
         Execute prepare stage for this guild.
@@ -218,6 +222,7 @@ class ScheduledSession:
             await self.update_status(**kwargs)
             self.prepared = True
 
+    @log_wrap(action='Prepare Room')
     async def prepare_room(self):
         """
         Add overwrites allowing current members to connect.
@@ -258,6 +263,7 @@ class ScheduledSession:
                     )).format(room=room.mention)
                 )
 
+    @log_wrap(action='Open Room')
     async def open_room(self):
         """
         Remove overwrites for non-members.
@@ -302,10 +308,15 @@ class ScheduledSession:
             self.prepared = True
             self.opened = True
 
-    async def notify(self):
+    @log_wrap(action='Notify')
+    async def _notify(self, wait=60):
         """
         Ghost ping members who have not yet attended.
         """
+        try:
+            await asyncio.sleep(wait)
+        except asyncio.CancelledError:
+            return
         missing = [mid for mid, m in self.members.items() if m.total_clock == 0 and m.clock_start is None]
         if missing:
             ping = ''.join(f"<@{mid}>" for mid in missing)
@@ -313,6 +324,12 @@ class ScheduledSession:
             if message is not None:
                 asyncio.create_task(message.delete())
 
+    def notify(self):
+        """
+        Trigger notify after one minute.
+        """
+        self._notify_task = asyncio.create_task(self._notify())
+
     async def current_status(self) -> MessageArgs:
         """
         Lobby status message args.
@@ -474,6 +491,7 @@ class ScheduledSession:
         args = MessageArgs(embed=embed, view=view)
         return args
 
+    @log_wrap(action='Update Status')
     async def _update_status(self, save=True, resend=True):
         """
         Send or update the lobby message.
@@ -530,6 +548,7 @@ class ScheduledSession:
             self._status_task.cancel()
         await self._update_status(**kwargs)
 
+    @log_wrap(action='Status Loop')
     async def update_loop(self):
         """
         Keep the lobby message up to date with a message per minute.