feat: restore automation controls with AutomationHeader component
- Import and use AutomationHeader component in automation bar
- Add parameter selection dropdown (Volume, Pan, Effect parameters)
- Add automation mode controls (Read, Write, Touch, Latch)
- Add lane height controls (increase/decrease buttons)
- Add show/hide toggle button
- Build available parameters dynamically from track effects
- All controls properly wired to update track automation state
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Sebastian Krüger
14a9c6e163