What
A new environment variable, CLAUDE_CODE_RESUME_INTERRUPTED_TURN_MAX_AGE_MS, controls how old an interrupted assistant turn can be before it is no longer automatically resumed on session restart. This prevents stale interrupted turns from being replayed after a long pause.
Details
- If
CLAUDE_CODE_RESUME_INTERRUPTED_TURNis set and the interrupted turn's timestamp is older than this value, the resume is skipped. - Defaults to 3,600,000 ms (1 hour) when the variable is present but not set to a valid finite positive number; set to
0to disable age-gating entirely. - The variable is passed through to child processes alongside the existing
CLAUDE_CODE_RESUME_INTERRUPTED_TURN.
Evidence
New env var with fallback (search for "CLAUDE_CODE_RESUME_INTERRUPTED_TURN_MAX_AGE_MS")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.