clean up firebase_website: offload cpu_percent to thread, cache fastfetch, fix regex, drop processes

firebase_website/__init__.py

@@ -2,6 +2,10 @@
 
 Requires GOOGLE_APPLICATION_CREDENTIALS env var pointing to a service-account JSON.
 
+This package is loaded as a Discord extension purely for lifecycle hooks
+(setup / teardown).  It does not register a Cog — it starts a background
+SysInfoSync task instead.
+
 Usage from main.py:
     await bot.load_extension("firebase_website")
 """
@@ -10,7 +14,7 @@ import logging
 
 from discord.ext import commands
 
-from .config import get_db  # noqa: re‑export for other modules
+from .config import get_db  # noqa: re‑export for calendar, bucketlist, etc.
 from .sysinfo_sync import SysInfoSync
 
 log = logging.getLogger(__name__)