curl -X GET "https://olive-gateway-a6ba.onrender.com/api/v1/agents/lookup?phone_number=0771234567" \
  -H "Authorization: Bearer olive_live_xxx"

{
  "found": true,
  "agent": {
    "id": "agent_abc123",
    "type": "super_agent",
    "business_name": "ABC Money Services",
    "first_name": "John",
    "last_name": "Doe",
    "phone_number": "+23277123456",
    "status": "active",
    "location": "Freetown CBD"
  }
}