diff --git a/history/harness-onboarding/review-prep.md b/history/harness-onboarding/review-prep.md
new file mode 100644
index 0000000..e2a29e8
--- /dev/null
+++ b/history/harness-onboarding/review-prep.md
@@ -0,0 +1,5 @@
+# Harness onboarding run — review-prep
+
+- completion_event_type: `binky_weekly_review`
+- tool profile resolved from instance manifest
+- deterministic adapter (T07 proof; not a full agentic session)