The

--access-token-strategy

flag is not recognized because it is not listed as a valid option for the

hydra create oauth2-client

command in the Ory Hydra documentation. The valid options for this command include flags for setting the client's name, allowed grant types, redirect URIs, and other properties, but there is no

--access-token-strategy

flag. Here are some of the valid flags for the

hydra create oauth2-client

command: - `--allowed-cors-origin strings`: The list of URLs allowed to make CORS requests. Requires CORS_ENABLED. - `--audience strings`: The audience this client is allowed to request. - `--backchannel-logout-callback string`: Client URL that will cause the client to log itself out when sent a Logout Token by Hydra. - `--client-uri string`: A URL string of a web page providing information about the client. - `--contact strings`: A list representing ways to contact people responsible for this client, typically email addresses. - `--grant-type strings`: A list of allowed grant types. (default [authorization_code]) - `--jwks-uri private_key_jwt`: Define the URL where the JSON Web Key Set should be fetched from when performing the private_key_jwt client authentication method. - `--keybase string`: Keybase username for encrypting client secret. - `--logo-uri string`: A URL string that references a logo for the client. - `--metadata string`: Metadata is an arbitrary JSON String of your choosing. (default "{}") - `--name string`: The client's name. - `--owner string`: The owner of this client, typically email addresses or a user ID. For more information, please refer to the [Ory Hydra documentation](https://www.ory.sh/docs/hydra/cli/hydra-create-oauth2-client#options).