Files
feuerwerk/tests/viewport
adminandClaude Opus 5.5 ed2b58b3c0 Load the sounds of a project ahead of their first play
A sound was fetched and decoded on its first Play sound. That play
started late, its beginning was not heard, and a graph that tuned the
voice in the meantime had moved on by the time it started. Images and
fonts were already loaded when a project opens. Sounds now are too.

- projectFiles lists the sounds of a project, and preloadProjectFiles
  hands them to the new soundLibrary.preload. That covers the editor
  and the published game.
- Preloading opens no audio device. It decodes with an
  OfflineAudioContext at 48 kHz. The real AudioContext is still made
  on the first play, and a source resamples where the device runs at
  another rate.
- A run started right after opening a project can still find a sound
  loading. It then starts late as before.

Tests:
- sound-library: a preload makes only the offline context, and a
  play after it starts at once, opening the device only then.
- sound-library + project-files: 18 tests, green.
- e2e 34 on melektaus-atx: ALL PASSED, 30 checks.
- Counter-check: decoding with the real AudioContext again fails the
  new test.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-05 21:47:00 +02:00
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