diff --git a/phases/linear-static-3d-euler-beam/index.json b/phases/linear-static-3d-euler-beam/index.json
index c9ffe50..810cd43 100644
--- a/phases/linear-static-3d-euler-beam/index.json
+++ b/phases/linear-static-3d-euler-beam/index.json
@@ -189,7 +189,10 @@
     {
       "step": 23,
       "name": "hdf5-results-writer",
-      "status": "pending"
+      "status": "completed",
+      "started_at": "2026-08-09T21:23:14+0900",
+      "completed_at": "2026-08-09T22:03:33+0900",
+      "summary": "Backend-free ResultsWriter 경계 뒤 schema v0의 exact metadata/model/Step-1 frame-0 결과와 stable identity/diagnostics를 mandatory HDF5로 기록하고 same-directory temp flush/checked-close/read-only self-check 뒤 ReplaceFileW 또는 write-through MoveFileExW로 원자화했으며 shared HDF5/libmmd runtime을 stage해 Hdf5ResultsWriter 5/5 및 전체 73/73을 검증함"
     },
     {
       "step": 24,