Changes based on playtesting feedback:
- UnitsPerTeam: 5 -> 3 (more manageable for demo)
- RespawnDelay: 3s -> 5s (tagged units out longer)
- Map aspect ratio: 40x30 -> 18x38 (9:19 smartphone portrait)
- Houses: 6 -> 19 (dense layout forcing route choices)
- Bases: moved to top/bottom center for vertical play
All gameplay numbers now organized as public constants for easy tuning.
Co-Authored-By: Claude <noreply@anthropic.com>
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