feat: add prompt-first batches and pausable task guidance

tests/unit/admin_console/test_session_repository_liveness.py

@@ -25,7 +25,7 @@ def test_startup_cleanup_keeps_live_cross_process_session(tmp_path):
         assert repository.cleanup_orphans_on_startup() == 1
 
     assert repository.get_session_status("live") == "running"
-    assert repository.get_session_status("dead") == "failed"
+    assert repository.get_session_status("dead") == "interrupted"
 
 
 def test_session_list_harvest_rechecks_worker_liveness(tmp_path):