All 22 placeholder 0-byte OGG files replaced with freesound.org previews
(128 kbps HQ OGG). All tracks are CC0. Includes Godot import sidecar files
(.ogg.import) for 11 files that had none previously.
Sprints 19, 21, 22 audio coverage complete.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Adds 11 empty .ogg placeholders (4 music tracks, 7 SFX) so the AudioManager
can reference them without errors during development. Includes docs/audio-assets-sprint19.md
with curated freesound.org download recommendations (CC0/CC-BY) for each file.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>