diff --git a/phases/cpp-object-oriented-modular-refactoring/index.json b/phases/cpp-object-oriented-modular-refactoring/index.json
index 001de90..4959bbc 100644
--- a/phases/cpp-object-oriented-modular-refactoring/index.json
+++ b/phases/cpp-object-oriented-modular-refactoring/index.json
@@ -61,7 +61,10 @@
     {
       "step": 7,
       "name": "vector3-value-type",
-      "status": "pending"
+      "status": "completed",
+      "summary": "RED: fesa_unit_tests build exited 1 with expected MSVC C1083 missing fesa/math/vector3.h; GREEN/VERIFY: header-only Vector3 arithmetic, right-handed cross product, finite checks, and exact zero/nonfinite normalization rejection passed focused CTest 7/7, clang-format and clang-tidy exited 0, full VS18 MSVC Debug build succeeded, CTest discovered 151 tests, and full CTest 151/151 passed without migrating existing consumers.",
+      "started_at": "2026-08-16T06:59:50+0900",
+      "completed_at": "2026-08-16T07:08:42+0900"
     },
     {
       "step": 8,