terminal slow

mac/Sources/Byre/Terminal.swift

@@ -82,7 +82,6 @@ struct TerminalHost: NSViewRepresentable {
         t.terminalDelegate = context.coordinator
         context.coordinator.view = t
         DispatchQueue.main.async {
-            colour(t)
             unsafe t.window?.makeFirstResponder(t)
             context.coordinator.connect()
         }
@@ -90,7 +89,10 @@ struct TerminalHost: NSViewRepresentable {
     }
 
     func updateNSView(_ nsView: TerminalView, context: Context) {
-        _ = scheme
+        if context.coordinator.scheme == scheme {
+            return
+        }
+        context.coordinator.scheme = scheme
         DispatchQueue.main.async {
             colour(nsView)
         }
@@ -123,6 +125,7 @@ final class TerminalSession: NSObject, TerminalViewDelegate, URLSessionWebSocket
     let active: @MainActor () -> Bool
     let show: @MainActor (String, Bool) -> Void
     weak var view: TerminalView?
+    var scheme: ColorScheme?
     private var ws: URLSessionWebSocketTask?
     private var retry: Task<Void, Never>?
     private var done = false