Context Degradation Monitor Detects context window degradation and prescribes corrective actions before accuracy drops. Severity Zones Thresholds are expressed as a percentage of the context window budget. For a 200K window, Claude Code's auto-compact fires at 187K ( 93.5%, i.e., ). | Zone | Usage % | Tokens (200K) | Status | Action | | ------------ | ------- | -------------- | -------- | --------------------------------------------------------------------------------- | | Green | < 65% | < 130K | Healthy | Normal operation | | Yellow | 65–80% | 130K–160K | Caution | Begin selective compressi…