diff --git a/.wiki/log.md b/.wiki/log.md
index 5a46ffa..63accb0 100644
--- a/.wiki/log.md
+++ b/.wiki/log.md
@@ -51,3 +51,5 @@ Parseable: `grep "^## \[" .wiki/log.md | tail -20`.
 ## [2026-05-05] ingest | concepts/interns-repo-read-design
 
 ## [2026-05-06] ingest | concepts/hermes-skills-rollout-design
+
+## [2026-05-07] ingest | concepts/tdd-criteria-design