6b368d1a29
Heaviest pre-code review done (1 ground + 3 lenses). v1 loop scope-locked: walk gate ->
epoch-seeded enemy wave in the expedition -> clear -> return + Ore -> escalated base siege.
4 netcode blockers fixed-in-spec (EnemyAISystem per-region targets; WaveSystem cleared-check
RegionTag{Base}; relevancy MaxAlive cap; reward per-epoch sentinel). Arena pool / zone-theme
byte / TimedModifier buff / SaveData v6 / mini-boss deferred to v2. Build is the next unit.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>