CI / test (push) Successful in 8m45s
cached_per_1k in a price charges the prompt tokens the answer counts as cached_tokens at their own rate; zero keeps charging them as prompt tokens. The count reaches the cost and not a column: CostMicros holds what it changed. Cached beyond the prompt is clamped, an engine's miscount rather than a refund. BACKLOG L5. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>