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/lib/admin-votes.ts

@@ -0,0 +1,29 @@
+import type { RowDataPacket, ResultSetHeader } from 'mysql2'
+import { db, DB } from './db'
+
+export interface VoteSite {
+  id: number
+  name: string
+  url: string
+  image_url: string
+  points: number
+}
+
+export async function listVoteSites(): Promise<VoteSite[]> {
+  const [rows] = await db(DB.default).query<RowDataPacket[]>(
+    'SELECT id, name, url, image_url, points FROM home_votesite ORDER BY id',
+  )
+  return rows.map((r) => ({ id: r.id, name: r.name, url: r.url, image_url: r.image_url, points: r.points }))
+}
+
+export async function createVoteSite(name: string, url: string, imageUrl: string, points: number): Promise<number> {
+  const [res] = await db(DB.default).query<ResultSetHeader>(
+    'INSERT INTO home_votesite (name, url, image_url, points, created_at, updated_at) VALUES (?, ?, ?, ?, NOW(), NOW())',
+    [name, url, imageUrl, points],
+  )
+  return res.insertId
+}
+
+export async function deleteVoteSite(id: number): Promise<void> {
+  await db(DB.default).query('DELETE FROM home_votesite WHERE id = ?', [id])
+}