diff --git a/phases/shell-surface-pressure-load/index.json b/phases/shell-surface-pressure-load/index.json
index 6402daf..4bfd3d4 100644
--- a/phases/shell-surface-pressure-load/index.json
+++ b/phases/shell-surface-pressure-load/index.json
@@ -37,7 +37,10 @@
     {
       "step": 5,
       "name": "integrate-nonlinear-follower-pressure",
-      "status": "pending"
+      "status": "completed",
+      "started_at": "2026-09-01T15:03:28+0900",
+      "summary": "Integrated current-configuration follower pressure force and exact external tangent into nonlinear full-Newton trial assembly with schema-1 regression coverage.",
+      "completed_at": "2026-09-01T15:48:52+0900"
     },
     {
       "step": 6,