diff --git a/phases/linear-static-3d-euler-beam/index.json b/phases/linear-static-3d-euler-beam/index.json
index 71a8d78..a36f271 100644
--- a/phases/linear-static-3d-euler-beam/index.json
+++ b/phases/linear-static-3d-euler-beam/index.json
@@ -93,7 +93,10 @@
     {
       "step": 11,
       "name": "inp-syntax-parser",
-      "status": "pending"
+      "status": "completed",
+      "started_at": "2026-08-09T15:06:01+0900",
+      "completed_at": "2026-08-09T15:19:17+0900",
+      "summary": "keyword/parameter name만 uppercase canonicalize하고 raw value/data/originalLine, normalized source path, exact-byte fnv1a64 identity와 file/line 위치를 보존하는 syntax-only reader를 TDD로 구현해 InpSyntax 4/4, 전체 14/14 및 legacy 30-block read-only parse를 검증함"
     },
     {
       "step": 12,