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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.269 ·

Bridge sessions can idle-exit instead of only completing

Bridge-spawned sessions can now be set to exit after an idle period, reporting status as idle rather than completed

TierNothing to try yethow much it should matter to you
Useful2my rating, 1 to 5
Signal3worth watching, 1 to 5
AreaBridge Sessionswhat it touches
KindIn Developmentin v2.1.269,
Group of 3 Nothing to try yet No documentation found

Bridge-spawned sessions can now be set to exit after an idle period, reporting status as idle rather than completed

What

  • The idle-exit helper (triggered by CLAUDE_CODE_EXIT_AFTER_STOP_DELAY) now accepts a callback that runs right before the process actually exits, with errors from it swallowed.
  • Bridge-spawned sessions can now be given an idleExitAfterMs value; when greater than 0, the child session gets CLAUDE_CODE_EXIT_AFTER_STOP_DELAY set, and on clean exit its reported status is "idle" instead of "completed".
  • New scaffolding computes whether a spawned bridge session should be tagged rc-child, gated behind the tengu_bridge_child_auto_mode flag, and passes it to session spawn along with new projectThreadChild and idleExitAfterMs parameters — though the other two triggering conditions are currently hardcoded to always false.

Why This lays groundwork for bridge sessions to shut themselves down after a period of inactivity rather than running indefinitely or being reported as fully completed, though some of the related triggering logic isn't fully wired up yet.

Read from
Feature flag
tengu_bridge_child_auto_mode Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.269: off

Read once, for one account on one subscription tier, against v2.1.269. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: tengu_bridge_child_auto_mode

See this entry in the whole of v2.1.269 →

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