{"name":"tengu_zinc_harbor","slug":"tengu-zinc-harbor","family":"flag","title":"Feature flags","noun":"feature flag","description":"Background tasks left running after their owning agent disappears are now automatically stopped","description_source":"entry","described_by":{"version":"2.1.275","anchor":"orphaned-backgrounded-tasks-get-auto-aborted-and-quietly-par"},"presence":{"first_seen":"2.1.275","removed_in":null,"in_current_build":true,"newest_mined":"2.1.319","builds":41,"mined_builds":159,"first_cited":{"version":"2.1.275","released_at":"2026-09-17 20:20:31","spans":1}},"aliases":[],"entries":[{"version":"2.1.275","anchor":"orphaned-backgrounded-tasks-get-auto-aborted-and-quietly-par","heading":"Orphaned backgrounded tasks get auto-aborted and quietly parked","line":"Background tasks left running after their owning agent disappears are now automatically stopped","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry"},{"version":"2.1.275","anchor":"in-process-teammate-polling-gets-an-idle-timeout-behind-ten","heading":"In-process teammate polling gets an idle timeout, behind tengu_zinc_harbor","line":"In-process teammate polling can time out after a period of inactivity, gated off for now","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"async-subagent-stall-watchdog-can-now-park-instead-of-abor","heading":"Async subagent stall watchdog can now \"park\" instead of aborting","line":"Background subagents that stall can now be 'parked' with a synthesized result instead of always erroring out","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"interrupted-background-agentstasks-can-be-parked-and-resu","heading":"Interrupted background agents\/tasks can be 'parked' and resumed instead of just stopped","line":"Interrupting a background agent now 'parks' it for resuming instead of stopping it outright","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry"},{"version":"2.1.275","anchor":"new-tengu-gates-tengu-typed-koala-tengu-zinc-harbor-tengu","heading":"New tengu gates: tengu_typed_koala, tengu_zinc_harbor, tengu_tranquil_crescent","line":"Claude Code adds three new internal feature gates: typed_koala, zinc_harbor, tranquil_crescent","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"alternate-background-agent-stop-path-behind-tengu-zinc-harbo","heading":"Alternate background-agent-stop path behind tengu_zinc_harbor flag","line":"A new alternate way to stop background agents on cancel exists behind an unreleased flag","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"auto-naming-for-unnamed-background-subagents-behind-tengu-zi","heading":"Auto-naming for unnamed background subagents behind tengu_zinc_harbor","line":"Unnamed background subagents can now get an automatic display name","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"async-agent-park-fallback-behind-tengu-zinc-harbor","heading":"Async-agent 'park' fallback behind tengu_zinc_harbor","line":"Stalled background subagents can now be 'parked' with a partial result instead of aborted, behind an off flag","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.275","anchor":"background-agent-park-on-escape-path-gated-behind-tengu-zi","heading":"Background-agent \"park on Escape\" path gated behind tengu_zinc_harbor, off by default","line":"Escape can now 'park' running background agents instead of just ignoring them, gated behind tengu_zinc_harbor","released_at":"2026-09-17 20:20:31","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":9,"docs":[],"docs_total":0,"gates":[{"version":"2.1.275","state":"off","account":false,"baseline":false,"code_default":false}],"related":[{"name":"tengu_1p_event_batch_config","slug":"tengu-1p-event-batch-config","description":"Default `{}`. Batch settings for Claude Code's first-party event logger: `scheduledDelayMillis` (falls back to `OTEL_LOGS_EXPORT_INTERVAL`, then `10000`), `maxExportBatchSize` (default `200`) and `maxQueueSize` (default `8192`), plus `skipAuth`, `maxAttempts`, `path` and `baseUrl` passed to the exporter. When the value changes during a session, the logger is flushed and rebuilt with the new settings."},{"name":"tengu_abundant_squid","slug":"tengu-abundant-squid","description":"`save_task_files` gains a second mode that saves a task's files into the chat's container, off unless switched on remotely"},{"name":"tengu_abundant_trinket","slug":"tengu-abundant-trinket","description":"Claude Code has new logic that makes pending auto mode permission requests wait for an answer when the model is switched"},{"name":"tengu_account_plugins_sync_enabled","slug":"tengu-account-plugins-sync-enabled","description":"Plugins you enabled on claude.ai can be pulled to your machine, but only your account server can enable it."},{"name":"tengu_account_skills_sync_enabled","slug":"tengu-account-skills-sync-enabled","description":"Account skills-sync eligibility logic generalized into a reusable descriptor"},{"name":"tengu_adopt_claim","slug":"tengu-adopt-claim","description":"Stale adopted session claims now return their data marked stale instead of being discarded"},{"name":"tengu_adopt_link","slug":"tengu-adopt-link","description":"Adopting an agent's transcript now hard-links the file, copying only when linking is impossible."},{"name":"tengu_adopt_relink","slug":"tengu-adopt-relink","description":"On startup, subagent transcripts stored as symlinks are converted to hard links or copies."},{"name":"tengu_advisor_unknown_content","slug":"tengu-advisor-unknown-content","description":"Advisor output you couldn't see now shows an error or a clear \"declined to advise\" message."},{"name":"tengu_agent_frontmatter_mode_widening_carry_ignored","slug":"tengu-agent-frontmatter-mode-widening-carry-ignored","description":"An agent definition's permissionMode can no longer widen the mode inherited from its parent context."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-zinc-harbor","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}