Почти полностью рабочая версия

scheduler.py

@@ -15,6 +15,17 @@ scheduler: BackgroundScheduler | None = None
 JOB_ID = "vk_publish_job"
 
 
+def clearLog():
+    from collections import deque
+    from config import Config
+
+    with open(Config.LOG_FILE, "r", encoding="utf-8") as f:
+        last_lines = deque(f, maxlen=500)
+
+    with open(Config.LOG_FILE, "w", encoding="utf-8") as f:
+        f.writelines(last_lines)
+
+
 def init_scheduler(app):
     """
     Инициализация планировщика с Flask-приложением
@@ -26,6 +37,10 @@ def init_scheduler(app):
 
     if scheduler is None:
         scheduler = BackgroundScheduler()
+        trigger = CronTrigger(hour=0, minute=0)
+        scheduler.add_job(
+            clearLog, trigger=trigger, id="clear_log_job", replace_existing=True
+        )
         scheduler.start()