Fix scheduler timezone: use ZoneInfo(settings.scheduler_timezone) not 'local'

cortex/scheduler.py

@@ -10,6 +10,7 @@ Set AUTO_DISTILL=false to disable entirely.
 Set AUTO_DISTILL_LONG=true to enable monthly long-term integration.
 """
 import logging
+from zoneinfo import ZoneInfo
 from apscheduler.schedulers.asyncio import AsyncIOScheduler
 from config import settings
 
@@ -57,7 +58,7 @@ def start() -> None:
         logger.info("auto distillation disabled (AUTO_DISTILL=false)")
         return
 
-    _scheduler = AsyncIOScheduler(timezone="local")
+    _scheduler = AsyncIOScheduler(timezone=ZoneInfo(settings.scheduler_timezone))
 
     if settings.auto_distill_short:
         _scheduler.add_job(_run_short, "cron", hour=3, minute=0, id="distill_short")