fix: harden economy recovery, shutdown concurrency, world validation, and inventory-loss paths

1 files changed, 4 insertions, 0 deletions

diff --git a/internal/game/production_engine.go b/internal/game/production_engine.go
index 2cd9b1d..035b7e2 100644
--- a/internal/game/production_engine.go
+++ b/internal/game/production_engine.go
@@ -253,6 +253,10 @@ func (g *Game) advanceProduction(sess *net.Session, p *player.Player) bool {
 		for _, bp := range byproducts {
 			if slot := p.FirstFreeSlot(); slot >= 0 {
 				p.SetInvSlot(slot, &player.InventorySlot{ItemID: bp, Quantity: 1})
+			} else {
+				// Never silently delete a byproduct: drop the remainder on
+				// the ground where the player can pick it up.
+				g.World.AddGroundItem(p.RoomID, bp, 1)
 			}
 		}