diff --git a/.planning/phases/18-campaign-grouping-phishing-analysis-api/18-04-SUMMARY.md b/.planning/phases/18-campaign-grouping-phishing-analysis-api/18-04-SUMMARY.md
index 9aa9f0d..44b9981 100644
--- a/.planning/phases/18-campaign-grouping-phishing-analysis-api/18-04-SUMMARY.md
+++ b/.planning/phases/18-campaign-grouping-phishing-analysis-api/18-04-SUMMARY.md
@@ -104,3 +104,7 @@ None - no external service configuration required.
 ---
 *Phase: 18-campaign-grouping-phishing-analysis-api*
 *Completed: 2026-07-16*
+
+## Self-Check: PASSED
+
+All created/modified files verified present; all commit hashes (afd7af7, 9ca2ccf, abe3d4b) verified in git log.