const INTROSPECTION_SECRET_DIGEST_HEX: &str = "aca61813af4f1b77f72cc2db856aa9ff4ea4080c188359b1edc51393c824abd5";Expand description
Digest of the tmc-server-introspection-dev client secret (plaintext
for local development only, intentionally public), derived under
DEV_OAUTH_TOKEN_HMAC_KEY.