diff --git a/phases/cpp-object-oriented-modular-refactoring/index.json b/phases/cpp-object-oriented-modular-refactoring/index.json
index c22f7f8..78e5b2b 100644
--- a/phases/cpp-object-oriented-modular-refactoring/index.json
+++ b/phases/cpp-object-oriented-modular-refactoring/index.json
@@ -149,7 +149,10 @@
     {
       "step": 18,
       "name": "load-hierarchy",
-      "status": "pending"
+      "status": "completed",
+      "summary": "RED: fake Load, generic assembler, and StepDefinition ownership tests failed with missing Load headers/APIs; GREEN/VERIFY: Domain-owned unique_ptr<Load> hierarchy and validation-before-candidate deterministic accumulation passed focused CTest 29/29, clang-format, full VS18 Debug build, discovery 186, and full CTest 186/186 including B33/MITC4 references.",
+      "started_at": "2026-08-16T10:40:49+0900",
+      "completed_at": "2026-08-16T10:56:57+0900"
     },
     {
       "step": 19,