- Login: use lowercase username/password params and id="jsonrpc"
- Login: visa is at top-level of response (not inside result)
- EnumerateAccountStatistics: use lowercase query param, RecordsCount
instead of RecordCount, remove DisplayColumns (not needed)
- _flatten_settings: Settings items are single-key dicts like
{"D09F00": "5"}, not {Key: ..., Value: ...} - use dict.update()
- _cove_enumerate: unwrap nested result and handle Accounts key
- _process_account: AccountId is top-level field, not from Settings
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>