curl -X POST '/v1/agentic-wallets/aw_01abc123/activation/activate' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
    "email_otp": "123456"
  }'

{
  "success": true,
  "message": "Wallet activated successfully",
  "data": {
    "wallet_id": "aw_01abc123",
    "status": "active"
  }
}