Font related improvements

apps/server-rust/src/typography.rs

@@ -1,8 +1,8 @@
 //! Shared, validated typography settings for all built-in OBS components.
 //!
-//! Font IDs map to fixed frontend font stacks rather than accepting arbitrary
-//! CSS. This keeps settings portable between OBS hosts and prevents untrusted
-//! component settings from becoming a CSS injection boundary.
+//! Font IDs map to fixed, same-origin WOFF2 assets in the frontend rather than
+//! accepting arbitrary CSS. This keeps settings portable between OBS hosts and
+//! prevents untrusted component settings from becoming a CSS injection boundary.
 
 use serde::{Deserialize, Serialize};
 
@@ -13,6 +13,7 @@ pub enum FontFamilyId {
     #[default]
     FangSong,
     Kai,
+    LiyuShoushu,
 }
 
 pub const fn default_font_brightness() -> u16 {
@@ -35,5 +36,9 @@ mod tests {
         );
         assert_eq!(sanitize_font_brightness(1), 70);
         assert_eq!(sanitize_font_brightness(u16::MAX), 180);
+        assert_eq!(
+            serde_json::to_string(&FontFamilyId::LiyuShoushu).unwrap(),
+            "\"liyu-shoushu\""
+        );
     }
 }