{"message":"Customer Management API is running","endpoints":{"POST   /api/customers":"Tambah customer baru","GET    /api/customers":"List semua customer (?kota=&search=)","GET    /api/customers/:id":"Detail 1 customer","PUT    /api/customers/:id":"Update customer","DELETE /api/customers/:id":"Hapus customer","GET    /api/dashboard":"Statistik dashboard"}}