[
  {
    "id": "doc_cs_01",
    "topic": "store_hours",
    "content": "Our flagship retail stores are open Monday through Saturday from 9:00 AM to 8:00 PM, and Sunday from 10:00 AM to 6:00 PM EST. Online support is available 24/7."
  },
  {
    "id": "doc_cs_02",
    "topic": "returns_warranty",
    "content": "Customers can return undamaged items within 30 calendar days of delivery for a full refund. Skincare items must be unopened."
  }
]