diff --git a/phases/domain-and-input-skeleton/index.json b/phases/domain-and-input-skeleton/index.json
index 7fd559e..fb38fcf 100644
--- a/phases/domain-and-input-skeleton/index.json
+++ b/phases/domain-and-input-skeleton/index.json
@@ -35,5 +35,6 @@
       "completed_at": "2026-07-30T18:24:34+0900"
     }
   ],
-  "created_at": "2026-07-30T16:08:54+0900"
+  "created_at": "2026-07-30T16:08:54+0900",
+  "completed_at": "2026-07-30T18:25:41+0900"
 }
diff --git a/phases/index.json b/phases/index.json
index b72bee6..883bafb 100644
--- a/phases/index.json
+++ b/phases/index.json
@@ -7,7 +7,8 @@
     },
     {
       "dir": "domain-and-input-skeleton",
-      "status": "pending"
+      "status": "completed",
+      "completed_at": "2026-07-30T18:25:41+0900"
     },
     {
       "dir": "fem-and-beam-kernel",