- Companion mod (zone/LevelPressure.kt): a Pokemon more than 5 levels
above the band of the zone its trainer is in gets 10% less experience
per extra level, down to 10%. Exp. Candy and commands are exempt; no
hard level caps (roadmap).
- Rules in world/zones.json -> level_pressure, shipped in the zone layout.
- Self-test level_pressure_cuts_xp.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>