HolgerHatGarKeineNode 57322a9556 🎵 Add PortalAudioManager component for background music
- Add PortalAudioManager.tsx with background music fade in/out
  - 1 second fade-in at the beginning
  - 3 second fade-out at the end
  - Base volume at 0.25 (25%)
- Integrate PortalAudioManager into PortalPresentation
- Add PortalOutroScene to PortalPresentation (was using placeholder)
- Add comprehensive tests for PortalAudioManager (13 tests)
  - Tests for volume at various frames
  - Tests for fade-in/fade-out behavior
  - Integration tests

Scene-specific SFX remain in individual scene components for
better timing accuracy and maintainability.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-24 13:49:15 +01:00
2024-09-04 19:37:46 +02:00
2024-08-29 13:36:49 +02:00
2024-08-29 13:36:49 +02:00
2024-08-29 13:36:49 +02:00
2024-08-29 13:36:49 +02:00
2024-09-04 19:37:46 +02:00
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