Add console log window to AudioMixerGUI

- Added in-game console log showing background events
- Voice count updates shown in real-time
- Cue triggers logged with timestamps
- Errors/warnings highlighted in different colors
- Show/Hide console toggle
- Clear log button
- Fixed GUI.skin namespace conflict
- Cursor now unlocks when GUI is visible

.beads/dolt-server.port

@@ -1 +0,0 @@
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