fix: casino room eviction, session close race fix, open-payout recovery evidence

1 files changed, 12 insertions, 2 deletions

diff --git a/internal/net/wsconn.go b/internal/net/wsconn.go
index 34663ba..29d1947 100644
--- a/internal/net/wsconn.go
+++ b/internal/net/wsconn.go
@@ -38,8 +38,18 @@ func (w *wsConn) Close() error {
 }
 
 func (w *wsConn) SetEcho(on bool) error {
+	return w.conn.WriteMessage(websocket.TextMessage, w.EchoSequence(on))
+}
+
+// EchoSequence returns the browser echo-control bytes for the websocket
+// transport; queued sessions send these through the session writer so a
+// stalled browser cannot block the caller (see Session.SetEcho).
+func (w *wsConn) EchoSequence(on bool) []byte {
 	if on {
-		return w.conn.WriteMessage(websocket.TextMessage, []byte("\x1b]10;0\x07"))
+		return []byte("\x1b]10;0\x07")
 	}
-	return w.conn.WriteMessage(websocket.TextMessage, []byte("\x1b]10;1\x07"))
+	return []byte("\x1b]10;1\x07")
 }
+
+// SetEchoState is a no-op: the websocket transport keeps no local echo state.
+func (w *wsConn) SetEchoState(bool) {}