diff --git a/DeepDrftPublic/Program.cs b/DeepDrftPublic/Program.cs
index 65479e9..d96d438 100644
--- a/DeepDrftPublic/Program.cs
+++ b/DeepDrftPublic/Program.cs
@@ -75,6 +75,9 @@ else
 // Antiforgery is required by Blazor form handling. Authentication / authorization
 // middleware is intentionally absent — this host is fully anonymous.
 app.UseAntiforgery();
+// UseStaticFiles runs before endpoint dispatch and ensures wwwroot/ files (e.g. /js/audio/*.js)
+// are served with correct Content-Type. MapStaticAssets alone can drop the header on
+// compressed assets; removing this call breaks the audio interop module in production.
 app.UseStaticFiles();
 
 // Configure cache headers for Blazor WebAssembly assets