- Fog of war: map dimmed in nav mode, homebase reveals 800m radius
- Geocaches only visible within revealed area
- Added reveal_radius to player stats for future leveling
- Added monster_spawn.mp3 sound effect on monster spawn
- Fixed spin_grow animation (smoother, counter-clockwise)
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>