Reapply "Add missing admin action files and navigation links"

This reverts commit 4d515bc400.

src/app/admin/permissions/[id]/page.tsx

@@ -0,0 +1,75 @@
+import { notFound, redirect } from 'next/navigation'
+import { AdminBreadcrumb } from '@/components/admin/admin-breadcrumb'
+import { getAdminContext } from '@/lib/permissions'
+import { prisma } from '@/lib/prisma'
+import { fetchEmulatorRankForEdit } from '@/lib/services/permission-ranks'
+import { RankEditClient } from './rank-edit-client'
+
+export default async function RankEditPage({
+  params,
+}: {
+  params: Promise<{ locale: string; id: string }>
+}) {
+  const { id: rawId } = await params
+  const { permissions } = await getAdminContext()
+  if (!permissions.isSuperAdmin) redirect('/admin')
+
+  const rankId = parseInt(rawId, 10)
+  if (Number.isNaN(rankId)) notFound()
+
+  const rank = await fetchEmulatorRankForEdit(prisma, rankId)
+  if (!rank) notFound()
+
+  // Fetch users with this rank (limit 200)
+  const users = await prisma.user.findMany({
+    where: { rank: rankId },
+    select: { id: true, username: true, look: true },
+    orderBy: { username: 'asc' },
+    take: 200,
+  })
+
+  const totalUsers = await prisma.user.count({ where: { rank: rankId } })
+
+  // Fetch all CMS permissions
+  const allCmsPermissions = await prisma.aclPermission.findMany({
+    orderBy: { slug: 'asc' },
+  })
+
+  // Auto-create CMS role for rank >= 4
+  let cmsRole: { id: number; slug: string; title: string; permissionSlugs: string[] } | null = null
+
+  if (rankId >= 4) {
+    const role = await prisma.aclRole.upsert({
+      where: { slug: `rank_${rankId}` },
+      create: { slug: `rank_${rankId}`, title: rank.rank_name || `Rank ${rankId}` },
+      update: {},
+      include: {
+        rolePermissions: { include: { permission: true } },
+      },
+    })
+    cmsRole = {
+      id: role.id,
+      slug: role.slug,
+      title: role.title,
+      permissionSlugs: role.rolePermissions.map((rp) => rp.permission.slug),
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      <AdminBreadcrumb
+        items={[
+          { label: 'Permissions', href: '/admin/permissions' },
+          { label: rank.rank_name || `Rank ${rankId}` },
+        ]}
+      />
+      <RankEditClient
+        rank={rank}
+        users={users}
+        totalUsers={totalUsers}
+        cmsRole={cmsRole}
+        allCmsPermissions={allCmsPermissions}
+      />
+    </div>
+  )
+}