fix(admin): add COMPLETED state in dashboard, orders list and detail with lowercase label

backlog/features.json

@@ -8120,6 +8120,22 @@
       },
       "phase": "admin",
       "completed_at": "2026-08-26T18:55:00Z"
+    },
+    {
+      "id": "ORDER-STATUS-COMPLETED",
+      "type": "fix",
+      "title": "Order status COMPLETED in admin dashboard and orders pages",
+      "description": "POS sales use COMPLETED order state. Show COMPLETED in admin dashboard ordersByState, orders list, and order detail pages with proper Spanish label and color. Include COMPLETED in revenue calculations.",
+      "priority": "med",
+      "risk": "low",
+      "status": "in_progress",
+      "created_at": "2026-08-26",
+      "gates": {
+        "reviewer": false,
+        "security": false,
+        "qa": false
+      },
+      "phase": "admin"
     }
   ]
 }