feat: enhance Jellyfin stream URL generation and improve NumberInput component

k-tv-backend/infra/src/jellyfin.rs

@@ -153,13 +153,15 @@ impl IMediaProvider for JellyfinMediaProvider {
         Ok(body.items.into_iter().next().and_then(map_jellyfin_item))
     }
 
-    /// Build a direct-play stream URL for a Jellyfin item.
+    /// Build a stream URL for a Jellyfin item.
     ///
-    /// Uses `static=true` to request the original file without transcoding.
-    /// The API key is embedded in the URL so the player does not need separate auth.
+    /// Requests H.264 video + AAC audio in an MP4 container so that all
+    /// major browsers can play it natively. Jellyfin will direct-play if the
+    /// source already matches; otherwise it transcodes on the fly.
+    /// The API key is embedded in the URL so the player needs no separate auth.
     async fn get_stream_url(&self, item_id: &MediaItemId) -> DomainResult<String> {
         Ok(format!(
-            "{}/Videos/{}/stream?static=true&api_key={}",
+            "{}/Videos/{}/stream?videoCodec=h264&audioCodec=aac&container=mp4&api_key={}",
             self.config.base_url,
             item_id.as_ref(),
             self.config.api_key,