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

{
  "agents": [
    {
      "id": "agent_abc123",
      "type": "super_agent",
      "business_name": "ABC Money Services",
      "first_name": "John",
      "last_name": "Doe",
      "status": "active",
      "float_balance_formatted": "5,000,000.00 SLE",
      "sub_agent_count": 12
    },
    {
      "id": "agent_xyz789",
      "type": "sub_agent",
      "business_name": "Corner Shop",
      "first_name": "Jane",
      "last_name": "Smith",
      "status": "active",
      "float_balance_formatted": "500,000.00 SLE",
      "parent_agent_id": "agent_abc123"
    }
  ],
  "total_count": 150,
  "limit": 50,
  "offset": 0
}