After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/sound/indentation.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package sound
+
+// Use progress's pitch mapping with a triangle wave to distinguish indentation
+// from progress's clipped sine. Cache 0..100 columns before input opens.
+func indentation_clips() [101]*clip {
+	var clips [101]*clip
+	for level := range clips {
+		clips[level] = progress_tone_shape(float64(level), true)
+	}
+	return clips
+}
+
+// Indentation uses ordinary cue admission, independently of the progress
+// monitor and its cancellation/coalescing state. Deeper levels use tone 100.
+func (s *Service) Play_indentation(level int) bool {
+	if s == nil || s.closed.Load() || s.finishing.Load() || level < 0 {
+		return false
+	}
+	item := s.indentationTones[min(level, len(s.indentationTones)-1)]
+	if item == nil {
+		return false
+	}
+	s.pending.Store(item)
+	return true
+}