- cag-kv-cache-rules.yaml: recording rule vllm:prefix_cache_hit_rate (from cache_query_hit/miss counters), 3 alert rules: KVWarmupFailureHigh, KVWarmupMissHigh, VLLMPrefixCacheHitRateLow - api-latency-dashboard.yaml: 5 new panels (id 7-11): prefix cache hit rate, warmup hit/miss, warmup latency p50/p95, standing context tier hits, alert panel with fixed threshold 0.01/s