The previous config (zone start turn 50-60) allowed bots to farm energy
uncontested for too long, with matches often decided by score before
combat was forced. ZoneMinRadius was also too large for 3+ players (8),
allowing bots to avoid contact.
Changes:
- 2-player: ZoneStartTurn 60→20, ZoneShrinkInterval 3→2
- 3+ player: ZoneStartTurn 50→15, ZoneMinRadius 8→5, ZoneShrinkInterval 3→2
Zone now starts early (turn 15-20) and shrinks faster (every 2 turns),
forcing bots into combat range before energy farming dominates.
ZoneMinRadius=5 is >= spawn radius (4-5 tiles) so bots survive to engage.
Closes: bf-2238
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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