fix username

src/auth.rs

@@ -216,7 +216,7 @@ pub struct TokenResponse {
 pub struct Claims {
     pub sub: String,
     pub email: Option<String>,
-    pub name: Option<String>,
+    pub preferred_username: Option<String>,
     pub exp: usize,
 }
 

src/handlers/auth.rs

@@ -33,7 +33,7 @@ pub async fn callback(
             Ok(claims) => {
                 let sub = claims.sub;
                 let email = claims.email.unwrap_or_default();
-                let name = claims.name.unwrap_or_default();
+                let name = claims.preferred_username.unwrap_or_default();
 
                 let existing_user = user::Entity::find()
                     .filter(user::Column::Sub.eq(&sub))