feat(F-054): completed feature

work/artifacts/F-054/reviewer.json

@@ -0,0 +1,35 @@
+{
+  "feature_id": "F-054",
+  "stage": "review_gate",
+  "agent": "reviewer",
+  "ts": "2026-08-19T09:12:00Z",
+  "verdict": "APPROVED",
+  "checks": [
+    {
+      "name": "heartbeat_tsy",
+      "status": "PASS",
+      "detail": "setInterval con .unref() no bloquea el event loop"
+    },
+    {
+      "name": "watchdog_plist",
+      "status": "PASS",
+      "detail": "LaunchAgent con KeepAlive=true, RunAtLoad=true, ProcessType=Background"
+    },
+    {
+      "name": "install_script",
+      "status": "PASS",
+      "detail": "Script idempotente con launchctl load/unload"
+    },
+    {
+      "name": "api_url",
+      "status": "PASS",
+      "detail": "Ambos routes ya usan NEXT_PUBLIC_API_URL"
+    },
+    {
+      "name": "services_200",
+      "status": "PASS",
+      "detail": "backend 200, frontend 200, admin 200, storefront 200"
+    }
+  ],
+  "notes": "Cambios mínimos y correctos. Heartbeat con unref() no afecta performance."
+}