feat : update

README.md

@@ -14,8 +14,9 @@ endorsed by HoYoverse. The repository and deployment resources retain the
 - **Public guides:** a searchable character directory and responsive guide pages.
 - **Visual editing:** structured editors for overviews, weapons, artifacts,
   constellations, teams, and custom sections, with autosave and conflict recovery.
-- **Accounts:** email/password authentication through Better Auth, registration
-  email OTP, profile email changes, and administrator-managed accounts.
+- **Accounts:** Sudloh Account OIDC sign-in with local Buzz sessions, IDs, and
+  roles. Legacy email/password and registration OTP remain available only before
+  `SUDLOH_OIDC_ONLY=true` cutover.
 - **Media:** S3-compatible uploads and publication-aware delivery for staged files.
 - **Catalog updates:** Discord-triggered synchronization with Lunaris.
 - **Commissions:** PromptPay checkout, Slip2Go verification, ticket attachments,
@@ -71,7 +72,9 @@ bun run db:migrate
 bun run dev
 ```
 
-Visitors can register at `/auth/register`. For background processing, run the
+With the Sudloh client configured, `/auth/login` starts the Account sign-in
+redirect automatically. Before OIDC cutover, visitors can register at
+`/auth/register`. For background processing, run the
 outbox worker in a separate terminal. Run the Discord worker when using catalog
 updates; its configuration is described below.