12 More Days Scanned: Claude Code Sub-Agent Cache TTL Has Been 100% 5m for 17 Straight Days — This Isn''t a Regression, It''s the New Default

Originally published at recca0120.github.io }}">Two weeks ago I scanned 95 days of Claude Code logs and found that since 4/9, sub-agents had been 100% downgraded to 5m TTL — 5 consecutive days, 4,840 API calls, with the main agent completely untouched. I left the conclusion at "monitoring," since 5