explicit info in GUI for playlist

cmd/mxl-player/main.go

@@ -811,6 +811,33 @@ func main() {
 					} else {
 						cimgui.Text("End behavior: stop")
 					}
+					cimgui.Text(fmt.Sprintf(
+						"Failure behavior: %s",
+						configuredPlaylist.OnFailure,
+					))
+
+					if hasPlaylistSnapshot && playlistSnapshot.HasFailure {
+						failure := playlistSnapshot.Failure
+						name := failure.EntryName
+						if name == "" {
+							name = fmt.Sprintf("Entry %d", failure.EntryIndex+1)
+						}
+						cimgui.SeparatorText("Last failure")
+						cimgui.TextWrapped(fmt.Sprintf(
+							"%s: %s failed",
+							name,
+							failure.Status.Unit,
+						))
+						cimgui.Text(fmt.Sprintf(
+							"Attempts: %d | failed attempts: %d",
+							failure.Status.Attempt,
+							failure.Status.FailedAttempts,
+						))
+						cimgui.Text(fmt.Sprintf("Policy: %s", failure.Policy))
+						if failure.Status.Err != nil {
+							cimgui.TextWrapped(failure.Status.Err.Error())
+						}
+					}
 
 					preview := "No entry selected"
 					if hasPlaylistSnapshot && playlistSnapshot.State.HasSelection {