{"version":"2.1.121","anchor":"daemon-pre-warmed-spare-workers","canonical_anchor":"daemon-pre-warmed-spare-workers","heading":"Daemon Pre-Warmed Spare Workers","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.121\/e\/daemon-pre-warmed-spare-workers","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.121","markdown":"### Daemon Pre-Warmed Spare Workers\n\nBackground agents now use a pre-warmed \"spare\" worker mechanism (`--bg-spare`) for faster session startup. When a new background session is requested, the daemon can claim a pre-spawned spare worker instead of cold-starting a new process.\n\n**Evidence**\n\nSpare worker system (search for `\"bg claimed-spare\"`, `\"[bg-spare] missing claim sock path\"`)"}