fix: harden engine across casino, economy, concurrency, security, and content

1 files changed, 6 insertions, 0 deletions

diff --git a/internal/game/cmd_color.go b/internal/game/cmd_color.go
index 614583f..104d359 100644
--- a/internal/game/cmd_color.go
+++ b/internal/game/cmd_color.go
@@ -67,6 +67,12 @@ func (g *Game) doColor(sess *net.Session, input string) {
 }
 
 func (g *Game) saveAccountColor(sess *net.Session, target, value string) {
+	// The account can be gone (purged or republished from another session)
+	// while the player is still live; there is nothing to persist to then.
+	if sess.Account == nil {
+		sess.WriteLine("You must be logged into an account to set colors.")
+		return
+	}
 	if value == "" {
 		if sess.Account.Colors != nil {
 			delete(sess.Account.Colors, target)