Joel/enodata disconnection fix

Sources/NWWebSocket/Model/Client/NWWebSocket.swift

@@ -526,6 +526,8 @@ open class NWWebSocket: WebSocketConnection {
         // Only schedule disconnection if we haven't already scheduled one
         if isDisconnectionNWError(error) && disconnectionWorkItem == nil {
             let reasonData = "The websocket disconnected unexpectedly".data(using: .utf8)
+            // Cancel the zombie connection to ensure reconnect creates a fresh NWConnection
+            connection?.cancel()
             scheduleDisconnectionReporting(closeCode: .protocolCode(.goingAway),
                                            reason: reasonData)
         }
@@ -548,19 +550,17 @@ open class NWWebSocket: WebSocketConnection {
         }
     }
 
+
     /// Determine if a Network error represents an unexpected disconnection event.
     /// - Parameter error: The `NWError` to inspect.
     /// - Returns: `true` if the error represents an unexpected disconnection event.
+    /// - Note: Any POSIX error from the read loop indicates the connection is dead.
+    ///   The previous selective list (ETIMEDOUT, ENOTCONN, ECANCELED, ENETDOWN, ECONNABORTED)
+    ///   missed errors like ENODATA (96) which also indicate a dead connection.
     private func isDisconnectionNWError(_ error: NWError) -> Bool {
-        if case let .posix(code) = error,
-           code == .ETIMEDOUT
-            || code == .ENOTCONN
-            || code == .ECANCELED
-            || code == .ENETDOWN
-            || code == .ECONNABORTED {
+        if case .posix(_) = error {
             return true
-        } else {
-            return false
         }
+        return false
     }
 }