Download timeouts

scribblings/rkt-web-player.scrbl

@@ -141,6 +141,8 @@ in-progress download can temporarily exceed the budget. The cache lasts until
 the agent exits; it is not retained across restarts.
 
 A track that is not cached is still downloaded completely before playback.
+The HTTP server allows up to one hour for a response, including media
+transfers, so large lossless tracks can finish over slower connections.
 The next track is fetched after the play command completes. Commands are
 processed in server order, so a pending prefetch can still delay a later manual
 track selection.
@@ -345,6 +347,10 @@ configured RKT Web Player server, downloads assigned tracks over HTTP, and
 plays them with @tt{racket-audio}. Its configured display name is authoritative
 and is followed by the server. Importing the module does not start the GUI; the
 function must be called explicitly.
+During downloads, including prefetching the next track, the GUI shows the
+filename and received megabytes. When the server supplies the file size,
+it also shows the total size, percentage and a progress bar. The display
+updates every half second and disappears when the download finishes or fails.
 The GUI and its @tt{racket-tray} system tray support the same ten languages
 based on the operating-system language, with English as fallback. Closing or
 minimizing the window hides it in the tray. The tray menu restores the window