chore: update JS runtime perf history [skip ci]

Author: github-actions[bot]

.perf/history.jsonl

@@ -0,0 +1 @@
+{"timestamp":"2026-04-19T22:52:16Z","commitSha":"2ae62b9c2a0b281b83473d48ea24f6448e418a09","commitMessage":"feat(dev,perf): add JsRuntime performance harness","env":{"os":"linux","arch":"x86_64","cpuModel":"AMD EPYC 7763 64-Core Processor"},"scenarios":{"cold_start_trivial":{"p50_us":6619,"p90_us":7079,"p99_us":9559,"max_us":12351,"mean_us":6803,"stddev_us":517,"throughput_ops_per_sec":146.9804253809406,"iterations":500,"warmup":50,"peak_rss_delta_kb":0},"concurrent_extractors_8x":{"p50_us":31999,"p90_us":51711,"p99_us":56063,"max_us":62559,"mean_us":29957,"stddev_us":15256,"throughput_ops_per_sec":33.38086939571998,"iterations":504,"warmup":50,"peak_rss_delta_kb":0},"steady_state_extractor":{"p50_us":6755,"p90_us":6951,"p99_us":8043,"max_us":12983,"mean_us":6723,"stddev_us":495,"throughput_ops_per_sec":148.74090316774615,"iterations":500,"warmup":50,"peak_rss_delta_kb":0},"steady_state_trivial":{"p50_us":6439,"p90_us":6811,"p99_us":7971,"max_us":9487,"mean_us":6561,"stddev_us":318,"throughput_ops_per_sec":152.4037385570998,"iterations":500,"warmup":50,"peak_rss_delta_kb":0}}}