New in Claude Code: idle compaction The prompt cache lives 1h. Leave a 200K+ token session idle ~54 min and it gets auto-compacted, so you come back to a warm summary, not a cold re-cache. Set the Threshold: CLAUDE_CODE_IDLE_COMPACT_MIN_TOKENS Turn Off: "idleCompaction": false https://t.co/4SXaCo31JU

Name: New in Claude Code: idle compaction The prompt cache lives 1h. Leave a 200K+ token session idle ~54 min and i
Uploaded: 2026-10-16T15:41:17.000Z
Duration: 20 s
Description: New in Claude Code: idle compaction The prompt cache lives 1h. Leave a 200K+ token session idle ~54 min and it gets auto-compacted, so you come back to a warm summary, not a cold re-cache. Set the Threshold: CLAUDE_CODE_IDLE_COMPACT_MIN_TOKENS Turn Off: "idleCompaction": false https://t.co/4SXaCo3

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New in Claude Code: idle compaction The prompt cache lives 1h. Leave a 200K+ token session idle ~54 min and it gets auto-compacted, so you come back to a warm summary, not a cold re-cache. Set the Threshold: CLAUDE_CODE_IDLE_COMPACT_MIN_TOKENS Turn Off: "idleCompaction": false https://t.co/4SXaCo31JU

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