Admin: gestión de sitios de voto (home_votesite)

- lib/admin-votes.ts: listVoteSites / createVoteSite / deleteVoteSite.
- Routes /api/admin/votes (POST) y /api/admin/votes/[id] (DELETE), guard isAdmin.
- Página /admin/votes (AdminVotesManager: crear/listar/borrar) + enlace en dashboard.
- Conecta con la página de votación (/vote-points) ya existente.

Verificado: guardas (307/403), CRUD del write layer OK (con env cargado).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web-next/messages/en.json

@@ -292,6 +292,13 @@
     "svc_change-race": "Change race",
     "svc_change-faction": "Change faction",
     "svc_level-up": "Level up to 80",
-    "svc_transfer": "Transfer character"
+    "svc_transfer": "Transfer character",
+    "manageVotes": "Manage vote sites",
+    "votes": "Vote sites",
+    "voteName": "Name",
+    "voteUrl": "URL",
+    "voteImage": "Image URL",
+    "votePoints": "VP per vote",
+    "noVotes": "No vote sites."
   }
 }

web-next/messages/es.json

@@ -292,6 +292,13 @@
     "svc_change-race": "Cambiar raza",
     "svc_change-faction": "Cambiar facción",
     "svc_level-up": "Subir a nivel 80",
-    "svc_transfer": "Transferir personaje"
+    "svc_transfer": "Transferir personaje",
+    "manageVotes": "Gestionar sitios de voto",
+    "votes": "Sitios de voto",
+    "voteName": "Nombre",
+    "voteUrl": "URL",
+    "voteImage": "URL de la imagen",
+    "votePoints": "PV por voto",
+    "noVotes": "No hay sitios de voto."
   }
 }