-- Rebalance enemy regen: old values (e.g. 4%/s Skeleton King) healed a large fraction of MaxHP
-- between slow hero attacks; net damage could go negative. Align DB payload with tuning defaults.
UPDATE runtime_config
SET
    payload = payload || '{
        "enemyRegenDefault": 0.006,
        "enemyRegenSkeletonKing": 0.003,
        "enemyRegenForestWarden": 0.003,
        "enemyRegenBattleLizard": 0.004
    }'::jsonb,
    updated_at = now()
WHERE id = TRUE;