Admin: gestión de foros (categorías y foros)

- lib/admin-forum.ts: listCategoriesWithForums, createCategory/deleteCategory
  (solo si vacía), createForum/deleteForum (borrado lógico), setForumVisibility.
- API: /api/admin/forum(+/[id] DELETE/PATCH visibilidad) y
  /api/admin/forum/category(+/[id]) (403 sin admin).
- UI: /admin/forum (AdminForumManager) — alta de categorías, alta/borrado de foros
  por categoría, mostrar/ocultar; tarjeta "Gestionar foros" en el índice del admin.
- i18n es/en (Admin): 13 claves nuevas.

Verificado: build OK, /admin/forum 307->login, APIs 403 sin admin.

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

web-next/app/api/admin/forum/[id]/route.ts

@@ -0,0 +1,21 @@
+import { getSession } from '@/lib/session'
+import { isAdmin } from '@/lib/admin'
+import { deleteForum, setForumVisibility } from '@/lib/admin-forum'
+
+export async function DELETE(_request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const session = await getSession()
+  if (!(await isAdmin(session))) return Response.json({ success: false, error: 'forbidden' }, { status: 403 })
+  const { id } = await params
+  await deleteForum(Number(id))
+  return Response.json({ success: true })
+}
+
+export async function PATCH(request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const session = await getSession()
+  if (!(await isAdmin(session))) return Response.json({ success: false, error: 'forbidden' }, { status: 403 })
+  const { id } = await params
+  let b: Record<string, unknown> = {}
+  try { b = await request.json() } catch { return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 }) }
+  await setForumVisibility(Number(id), b.visibility !== false)
+  return Response.json({ success: true })
+}

web-next/app/api/admin/forum/category/[id]/route.ts

@@ -0,0 +1,11 @@
+import { getSession } from '@/lib/session'
+import { isAdmin } from '@/lib/admin'
+import { deleteCategory } from '@/lib/admin-forum'
+
+export async function DELETE(_request: Request, { params }: { params: Promise<{ id: string }> }) {
+  const session = await getSession()
+  if (!(await isAdmin(session))) return Response.json({ success: false, error: 'forbidden' }, { status: 403 })
+  const { id } = await params
+  const ok = await deleteCategory(Number(id))
+  return Response.json({ success: ok, error: ok ? undefined : 'categoryNotEmpty' })
+}

web-next/app/api/admin/forum/category/route.ts

@@ -0,0 +1,15 @@
+import { getSession } from '@/lib/session'
+import { isAdmin } from '@/lib/admin'
+import { createCategory } from '@/lib/admin-forum'
+
+export async function POST(request: Request) {
+  const session = await getSession()
+  if (!(await isAdmin(session))) return Response.json({ success: false, error: 'forbidden' }, { status: 403 })
+  let b: Record<string, unknown> = {}
+  try { b = await request.json() } catch { return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 }) }
+  const name = String(b.name ?? '').trim()
+  const order = Number(b.order) || 0
+  if (!name) return Response.json({ success: false, error: 'emptyError' })
+  const id = await createCategory(name, order)
+  return Response.json({ success: true, id })
+}

web-next/app/api/admin/forum/route.ts

@@ -0,0 +1,18 @@
+import { getSession } from '@/lib/session'
+import { isAdmin } from '@/lib/admin'
+import { createForum } from '@/lib/admin-forum'
+
+export async function POST(request: Request) {
+  const session = await getSession()
+  if (!(await isAdmin(session))) return Response.json({ success: false, error: 'forbidden' }, { status: 403 })
+  let b: Record<string, unknown> = {}
+  try { b = await request.json() } catch { return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 }) }
+  const categoryId = Number(b.categoryId)
+  const name = String(b.name ?? '').trim()
+  const description = String(b.description ?? '').trim()
+  const order = Number(b.order) || 0
+  const visibility = b.visibility === false ? 0 : 1
+  if (!categoryId || !name) return Response.json({ success: false, error: 'emptyError' })
+  const id = await createForum(categoryId, name, description, order, visibility)
+  return Response.json({ success: true, id })
+}