diff --git a/.wiki/log.md b/.wiki/log.md
index e67044d..6397d12 100644
--- a/.wiki/log.md
+++ b/.wiki/log.md
@@ -5,3 +5,5 @@ Append-only log of wiki operations (ingests, promotions, lints, migrations).
 ## 2026-05-21
 
 - bootstrap: empty wiki skeleton (CLAUDE.md, index.md, log.md, overview.md, raw/README.md) committed
+
+## [2026-05-21] ingest | concepts/admin-infra-project