Halving now raises the price anchor (pass-through 0.6, ramp the week before) with a pre-halving news item

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/Night.cs

@@ -108,6 +108,8 @@ namespace Decentralized
             if (d.Network.Reward < rewardBefore) News.Show("pd_news_halving_" + day, L.T("news.halving.title"), L.T("news.halving.desc"), 2);
             double crcFactor = d.Stable.Night(day, d.Rng, 0);
             if (crcFactor < 1) d.Hot.Balances[Assets.CRC] = d.Hot.Get(Assets.CRC) * crcFactor;
+            d.Market.UpdateSupply(day, d.Network.Reward);
+            if (Tuning.HalvingDays - day % Tuning.HalvingDays == 3) News.Show("pd_news_prehalving_" + day, L.T("news.prehalving.title"), L.T("news.prehalving.desc"), 3);
             d.Market.Night(events, d.Rng, day, Session.Price);
             report.Price = d.Market.Price;
             d.LastNight = report;