basic stracture and auth

in memory db :)

apps/admin/src/app/api/users/route.ts

@@ -0,0 +1,28 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { users, clients } from '../../../lib/database'
+
+export async function GET(request: NextRequest) {
+  try {
+    const { searchParams } = new URL(request.url)
+    const role = searchParams.get('role')
+
+    let filteredUsers = users
+
+    if (role) {
+      filteredUsers = users.filter(user => user.role === role)
+    }
+
+    const usersWithClients = filteredUsers.map(({ password: _, ...user }) => {
+      const client = clients.find(c => c.userId === user.id)
+      return { ...user, client }
+    })
+
+    return NextResponse.json({ users: usersWithClients })
+  } catch (error) {
+    console.error('Get users error:', error)
+    return NextResponse.json(
+      { error: 'Internal server error' },
+      { status: 500 }
+    )
+  }
+}