Refactor DALI command handling: streamline send methods and enhance scene color reporting

Co-authored-by: Copilot <copilot@github.com>

src/dt8.cpp

@@ -381,11 +381,34 @@ std::optional<int> DaliDT8::getPrimaryTy(int a, int n) {
   return getColourRaw(a, 66 + 3 * n);
 }
 
+std::optional<SceneColorReport> DaliDT8::getSceneColorReport(int a, int sense) {
+  const auto brightness = base_.getScene(a, sense);
+  if (!brightness.has_value() || brightness.value() == 255) return std::nullopt;
+
+  const int colorTypeValue = getReportColourType(a).value_or(0);
+  const ColorType colorType(colorTypeValue);
+
+  SceneColorReport report;
+  report.brightness = brightness.value();
+  report.colorTypeValue = colorTypeValue;
+
+  if (colorType.xy()) {
+    report.xy = getReportColour(a);
+    return report;
+  }
+
+  if (colorType.ct()) {
+    report.colorTemperature = getReportColorTemperature(a);
+    return report;
+  }
+
+  return report;
+}
+
 std::vector<double> DaliDT8::getSceneColor(int a, int sense) {
-  const auto bright = base_.getScene(a, sense);
-  if (!bright.has_value() || bright.value() == 255) return {};
-  base_.copyReportColourToTemp(a);
-  return getColour(a);
+  const auto report = getSceneColorReport(a, sense);
+  if (!report.has_value() || !report->colorType().xy() || !report->hasXy()) return {};
+  return report->xy;
 }
 
 bool DaliDT8::storePrimaryTy(int a, int n, int ty) {