feat(rauthy): auto-seed mv OIDC client via bootstrap dir

README.md

@@ -124,8 +124,8 @@ mix archive.install hex phx_new
 1. Copy env file:  
    ```bash
    cp .env.example .env
-   # Set OIDC_CLIENT_SECRET inside .env
    ```
+   The dev `OIDC_CLIENT_SECRET` is already preset — no manual GUI step needed.
 
 2. Start everything (database, Mailcrab, Rauthy, app):  
    ```bash
@@ -139,21 +139,9 @@ mix archive.install hex phx_new
 
 ## 🔐 Testing SSO locally
 
-Mila uses OIDC for Single Sign-On. In development, a local **Rauthy** instance is provided.  
+A local **Rauthy** instance is provided in dev. The `mv` client is auto-seeded from `rauthy-bootstrap/clients.json` on first start (and after `docker compose down -v`), so the secret in `.env.example` always matches.
 
-1. `just run`
-2. go to [localhost:8080](http://localhost:8080), go to the Admin area
-3. Login with "admin@localhost" and password from `BOOTSTRAP_ADMIN_PASSWORD_PLAIN` in docker-compose.yml
-4. add client from the admin panel
-    - Client ID: mv
-    - redirect uris: http://localhost:4000/auth/user/oidc/callback
-    - Authorization Flows: authorization_code
-    - allowed origins: http://localhost:4000
-    - access/id token algortihm: RS256 (EDDSA did not work for me, found just few infos in the ashauthentication docs)
-5. copy client secret to `.env` file
-6. abort and run `just run` again
-
-Now you can log in to Mila via OIDC!
+Rauthy admin UI: <http://localhost:8080> — login `admin@localhost`, password from `BOOTSTRAP_ADMIN_PASSWORD_PLAIN` in `docker-compose.yml`.
 
 ### OIDC with other providers (Authentik, Keycloak, etc.)