feat(F-081): completed feature

work/runtime-status.json

@@ -1,20 +1,13 @@
 {
-  "feature_id": "F-080",
-  "stage": "close",
-  "agent": "leader",
-  "action": "closing F-080",
+  "feature_id": "F-081",
+  "stage": "build",
+  "agent": "implementer",
+  "action": "fixing inventory price format",
   "state": "running",
   "next_agent": "reviewer",
   "waiting_for": null,
-  "updated_at": "2026-08-20T03:59:44Z",
+  "updated_at": "2026-08-20T04:00:42Z",
   "timeline": [
-    {
-      "ts": "2026-08-19T17:29:19Z",
-      "agent": "leader",
-      "stage": "intake",
-      "state": "running",
-      "message": "starting F-076"
-    },
     {
       "ts": "2026-08-19T17:29:19Z",
       "agent": "architect",
@@ -147,6 +140,13 @@
       "stage": "close",
       "state": "running",
       "message": "closing F-080"
+    },
+    {
+      "ts": "2026-08-20T04:00:42Z",
+      "agent": "implementer",
+      "stage": "build",
+      "state": "running",
+      "message": "fixing inventory price format"
     }
   ],
   "last_updated": "2026-08-19T09:10:00Z",