fix: more casino, economy, gameplay, security, and world data hardening gaps

1 files changed, 9 insertions, 1 deletions

diff --git a/internal/world/world.go b/internal/world/world.go
index 7475ce0..a084f63 100644
--- a/internal/world/world.go
+++ b/internal/world/world.go
@@ -91,16 +91,24 @@ func (w *World) SeedGroundItems(roomID int) {
 		w.mu.Unlock()
 		return
 	}
-	w.seeded[roomID] = true
 	w.mu.Unlock()
 
 	room, err := w.LoadRoom(roomID)
 	if err != nil {
+		// Do NOT mark a room seeded before it loads: a dangling exit (or a
+		// not-yet-created room) would otherwise permanently disable its item
+		// spawns even after the room is fixed/created.
 		return
 	}
 
 	w.mu.Lock()
 	defer w.mu.Unlock()
+	// Re-check under the lock: a concurrent seed may have won the race while
+	// this call was loading.
+	if w.seeded[roomID] {
+		return
+	}
+	w.seeded[roomID] = true
 
 	for _, s := range room.ItemSpawns {
 		merged := false