feat: Add flag for enabling batch polling (#1651)

letta/jobs/scheduler.py

@@ -12,17 +12,19 @@ scheduler = AsyncIOScheduler()
 
 def start_cron_jobs(server: SyncServer):
     """Initialize cron jobs"""
-    scheduler.add_job(
-        poll_running_llm_batches,
-        args=[server],
-        trigger=IntervalTrigger(seconds=settings.poll_running_llm_batches_interval_seconds),
-        next_run_time=datetime.datetime.now(datetime.UTC),
-        id="poll_llm_batches",
-        name="Poll LLM API batch jobs and update status",
-        replace_existing=True,
-    )
-    scheduler.start()
+    if settings.enable_batch_job_polling:
+        scheduler.add_job(
+            poll_running_llm_batches,
+            args=[server],
+            trigger=IntervalTrigger(seconds=settings.poll_running_llm_batches_interval_seconds),
+            next_run_time=datetime.datetime.now(datetime.UTC),
+            id="poll_llm_batches",
+            name="Poll LLM API batch jobs and update status",
+            replace_existing=True,
+        )
+        scheduler.start()
 
 
 def shutdown_cron_scheduler():
-    scheduler.shutdown()
+    if settings.enable_batch_job_polling:
+        scheduler.shutdown()