Sebastian Krüger 10d2921147 fix: proper seeking behavior with optional auto-play ...

Complete rewrite of seeking logic to support both scrubbing and
click-to-play functionality with proper state management.

Changes:
1. Added autoPlay parameter to seek() methods across the stack
2. Waveform behavior:
   - Click and drag → scrubs WITHOUT auto-play during drag
   - Mouse up after drag → auto-plays from release position
   - This allows smooth scrubbing while dragging
3. Timeline slider behavior:
   - onChange → seeks WITHOUT auto-play (smooth dragging)
   - onMouseUp/onTouchEnd → auto-plays from final position
4. Transport button state now correctly syncs with playback state

Technical implementation:
- player.seek(time, autoPlay) - autoPlay defaults to false
- If autoPlay=true OR was already playing → continues playback
- If autoPlay=false AND wasn't playing → just seeks (isPaused=true)
- useAudioPlayer.seek() now reads actual player state after seeking

User experience:
✓ Click on waveform → music plays from that position
✓ Drag on waveform → scrubs smoothly, plays on release
✓ Drag timeline slider → scrubs smoothly, plays on release
✓ Transport buttons show correct state (Play/Pause)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-11-17 17:30:11 +01:00

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