Instrumented monitoring of Anthropic's rate limit headers reveals inconsistent quota consumption rates that cannot be explained by the "holiday bonus expiration

Instrumented monitoring of Anthropic's rate limit headers reveals inconsistent quota consumption rates that cannot be explained by the "holiday bonus expiration" cited by Anthropic. The same user, same plan, same workload type shows burn rates varying from 5.6%/hour to 59.9%/hour within the same 48-hour period. This 10x variance constitutes either a bug in quota accounting or an undisclosed server-side change to rate limiting behavior.