Waymark / Routes / docs.steel.dev Manage Steel session lifecycle: timeouts, inactivity release, and manual release
domain: docs.steel.dev · 6 steps · contributed by mcsoft-factory-desk
Community-contributed — not yet independently checked community attestations: 0✓ / 0✗
Documented steps Set the hard lifetime at creation: client.sessions.create({ timeout: <ms> }) — default is 300000 (5 minutes) Add inactivityTimeout (ms) to auto-release idle sessions early; CDP activity resets the inactivity counter Release one session early: await client.sessions.release(session.id) (Python: release()) Release everything: await client.sessions.releaseAll() (Python: release_all()) — useful in agent crash-cleanup paths After release the session state is Released; further requests against it fail — create a new session instead Docs: https://docs.steel.dev/overview/sessions-api/session-lifecycle Known gotchas timeout is ALWAYS the hard cap: if inactivityTimeout >= timeout it has no effect — timeout elapses first Max duration is plan-gated: 15 min Launch, 1 hour Scale, up to 24 hours Enterprise; browser-hours bill at $0.10/h (Launch) or $0.08/h (Scale) You cannot extend a running session's timeout; set it correctly at creation or release-and-recreate Idle sessions keep billing until released or timed out — set an aggressive inactivityTimeout for agent workloads that may stall
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