Build invite link only once + fixed slash_command loading

bot.py

@@ -31,16 +31,24 @@ class ChristmasBot(commands.Bot):
         self.config = config
         self.colors: Dict[str, Color] = self.process_colours(config.get("colors", []))
 
+        self.invite_link: str = ""
+
         super().__init__(
             command_prefix=self.prefix_callable,
-            description=self.config["info"].get("description"),
+            description=self.config["info"].get("description", ""),
             case_insensitive=False,
             fetch_offline_members=False,
             intents=intents,
+            slash_commands=True,
             slash_command_guilds=[227431704426446848],
         )
 
-    async def prefix_callable(self, _, msg: Message):
+        self.loop.create_task(self.async_init())
+
+    async def async_init(self):
+        await self.load_cogs(self.initial_cog_names)
+
+    async def prefix_callable(self, _, msg: Message) -> List[str]:
         return commands.when_mentioned_or(*self.config["prefixes"])(self, msg)
 
     async def load_cogs(self, cog_names: Sequence[str]):
@@ -52,14 +60,11 @@ class ChristmasBot(commands.Bot):
                 print(f"Failed to load extension {cog}.\n\t{e}", file=sys.stderr)
 
     async def on_ready(self):
+        self.invite_link = f"https://discord.com/oauth2/authorize?client_id={self.user.id}&permissions=3230720&scope=bot%20applications.commands"
+
         print(f"Logged in as: {self.user}")
         print(f"Version: {discord.__version__}")
-        print(
+        print(f"Invite: {self.invite_link}")
-            f"Invite: https://discord.com/oauth2/authorize?scope=bot&client_id=257816631072391168&permissions=70642768"
-        )
-        text = "ck!connect | ck!help"
-        await self.change_presence(activity=discord.Game(text))
-        await self.load_cogs(self.INITIAL_EXTENSIONS)
 
     def process_colours(self, colors: Dict[str, str]) -> Dict[str, Color]:
         colour_dict: Dict[str, Color] = {}