Set OAuth provider grants, rotation, discovery, and schema

[salasebas]

Question

For the v1.6.24 OAuth Provider deltas covering authorization-code consumption, refresh rotation and uniqueness, grant enforcement, introspection authority, post-login proof, dynamic registration privileges, discovery aliases, UserInfo POST, Basic secrets, signed queries, consent errors, token indexes, and the historical POST versus PATCH client-update mismatch, what exact RustAuth route, storage, and compatibility contract should ship?