chore(result-contract-completion): step 0 output

phases/result-contract-completion/index.json

@@ -5,7 +5,10 @@
     {
       "step": 0,
       "name": "beam-element-end-recovery",
-      "status": "pending"
+      "status": "completed",
+      "summary": "Added actual Beam node IDs and signed two-end strain, resultant, centroid/recovery-point stress recovery using the stiffness frame and reduced-shear convention, with hand-calculated tests.",
+      "started_at": "2026-08-02T00:27:47+0900",
+      "completed_at": "2026-08-02T01:14:40+0900"
     },
     {
       "step": 1,
@@ -17,5 +20,6 @@
       "name": "self-contained-hdf5",
       "status": "pending"
     }
-  ]
+  ],
+  "created_at": "2026-08-02T00:27:47+0900"
 }