Claude system prompt bug wastes user money and bricks managed agents

[Bug] Regression: malware reminder on every Read still causes subagent refusals in v2.1.111 (fix from #47027 / v2.1.92 did not hold) · Issue #49363 · anthropics/claude-code
Regression summary Issue #47027 was closed by @bcherny in February saying "This was fixed in v2.1.92." I'm running v2.1.111 (19 versions past the fix) and the exact same behavior reproduces reliabl...