{
  "name": "search_orders",
  "description": "Find a customer's orders by email or order number. Use this whenever the user asks about an order's status, contents or delivery date. Do NOT use it for refunds or cancellations — those go to manage_order.",
  "input_schema": {
    "type": "object",
    "properties": {
      "email":   { "type": "string", "description": "Customer email. Provide this OR order_number." },
      "order_number": { "type": "string", "description": "Order reference, format ORD-000000." },
      "since":   { "type": "string", "description": "Only orders on or after this date (YYYY-MM-DD)." },
      "status":  { "type": "string", "enum": ["pending", "shipped", "delivered", "cancelled"] }
    },
    "required": ["status"]
  }
}