feat: fix proxy compatibility and establish TUI foundation

internal/tui/model_test.go

@@ -395,6 +395,34 @@ func TestProtocolProbeOnlyTriggersOnSingleURLField(t *testing.T) {
 	}
 }
 
+func TestProtocolProbeDetectsDualProtocolEndpointBuildsCompatibleAdvancedProfile(t *testing.T) {
+	module := &recordingModule{}
+	model := NewModel(module)
+	model.detect = func(_ context.Context, address string) (probe.Capabilities, error) {
+		return probe.Capabilities{HTTP: true, SOCKS5: true}, nil
+	}
+	model = updateKey(model, "p")
+	model = updateKey(model, "n")
+	model = updateRunes(model, "home")
+	model = updateKey(model, "tab")
+	model = updateRunes(model, "localhost:7890")
+
+	model, cmd := pressCtrlD(model)
+	if cmd == nil {
+		t.Fatal("ctrl+d did not start a Protocol Probe")
+	}
+	updated, _ := model.Update(cmd())
+	model = updated.(Model)
+
+	got := model.form.profile
+	if got.Mode != profile.AdvancedMode || got.HTTPURL != "http://localhost:7890" || got.HTTPSURL != "http://localhost:7890" || got.AllURL != "socks5://localhost:7890" {
+		t.Fatalf("dual-protocol Profile = %#v", got)
+	}
+	if view := model.View(); !strings.Contains(view, "Protocol Probe: detected HTTP and SOCKS5 proxy at localhost:7890") {
+		t.Fatalf("form view missing dual-protocol detection status:\n%s", view)
+	}
+}
+
 func TestProtocolProbeDetectsSOCKS5AndRewritesSingleURL(t *testing.T) {
 	module := &recordingModule{}
 	model := NewModel(module)