diff --git a/.agents/metrics.jsonl b/.agents/metrics.jsonl
index 4f0f5a8e..4b0cd7ab 100644
--- a/.agents/metrics.jsonl
+++ b/.agents/metrics.jsonl
@@ -4,3 +4,4 @@
 {"timestamp": "2026-08-10T14:10:00Z", "agent": "jules", "task": "close out dependabot automerge rollout: commit metrics, smoke-test autoupdate sweep, write Monday verification SOP", "skill_used": null, "status": "completed", "tokens_used": 0, "duration_seconds": 0, "notes": "PR #567 metrics merged, #568 SOP merged, sweep green; main green."}
 {"timestamp": "2026-08-10T15:12:36Z", "agent": "main", "task": "close out cache pre-warming (Plan 11): prewarm tests, [routing.prewarm] config + CONFIG.md docs, prewarm loop fix", "skill_used": null, "status": "completed", "tokens_used": 0, "duration_seconds": 0, "notes": "DI core prewarm_domains + 6 offline tests; fixed join loop that always waited full 60s OVERALL_TIMEOUT; config.toml + agents-docs/CONFIG.md; full suite 138 green, clippy/fmt clean."}
 {"timestamp": "2026-08-11T07:57:58Z", "agent": "main", "task": "review, fix, and merge cache pre-warming PR #570", "skill_used": "do-github-pr-sentinel", "status": "completed", "tokens_used": 0, "duration_seconds": 0, "notes": "Self-review roasted 8 issues; fixed 1-6 + moved config keys out of [routing] (log_level now honored); metrics kept out of product PR; CI green; squash-merged 62ea294."}
+{"timestamp": "2026-08-11T08:25:03Z", "agent": "main", "task": "drop unnecessary Sync bound on prewarm_domains (#573)", "skill_used": "do-github-pr-sentinel", "status": "completed", "tokens_used": 0, "duration_seconds": 0, "notes": "Relaxed F bound to Fn+Clone+Send+'static; Sync never exercised (closure cloned per task). cargo test 140 pass, clippy clean; PR #573 squash-merged 72bf164."}