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Curated tech posts from X on AI, startups, and product development—signal without the doomscroll, updated on weekdays.
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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