Status: IN
The default state file path is `.ftl2-state.json`; it enables crash recovery by persisting dynamically added hosts.
Source: entries/2026/05/11/api-automation-init.md
async with automation(state_file=".ftl2-state.json") as ftl:
ftl.add_host(hostname="web01", ansible_host="10.0.1.5")
# Host persisted to state file; survives crash and re-run