@@ -45,3 +45,4 @@ Every reproduced race requires a failing-before and passing-after regression. As
 - Before requesting automated review, report the current head, CI state, mergeability, unresolved threads, and deferred follow-up issues.
 - Reproduce summary-only review concerns or turn them into a concrete follow-up issue. Do not repeatedly patch vague wording without a failure case.
 - For each review round, record what changed, what was declined and why, and the regression evidence. Re-request review until a round returns no new findings.
+- Before closing or merging a PR, extract the highest-value, broadly reusable lessons from its review and add concise rules to this file. Omit one-off implementation details and rules already covered here.