From 194164a77eb4f2479b94c19e6f0e1278ab608781 Mon Sep 17 00:00:00 2001
From: historia <[not public]>
Date: Fri, 18 Sep 2026 16:13:49 -0400
Subject: fix: more casino, economy, gameplay, security, and world data
 hardening gaps

---
 internal/world/world.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'internal/world/world.go')

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
-- 
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