完善开发环境工具、音乐服务和界面性能

src/box-winUI/Assets/home-globe/solar-system-home.html

@@ -778,6 +778,7 @@
     const defaultTarget = new THREE.Vector3(0, 0, 0);
     const responsive = { scale: 1, cameraDistance: 74, y: 7 };
     const visualState = detectVisualState();
+    let hostLightMode = false;
     const renderStats = { elapsed: 0, frames: 0, qualityReduced: false };
     const asyncTasks = new Map([
       ['three', { label: 'Three.js 模块', progress: 0 }],
@@ -2341,6 +2342,12 @@
         return;
       }
 
+      if (payload.type === 'performanceMode') {
+        hostLightMode = Boolean(payload.lightMode);
+        clock.getDelta();
+        return;
+      }
+
       if (payload.type === 'ephemeris:complete') {
         if (!acceptEphemerisRequest(payload)) {
           return;
@@ -2484,6 +2491,10 @@
 
     function animate() {
       requestAnimationFrame(animate);
+      if (hostLightMode) {
+        clock.getDelta();
+        return;
+      }
       const delta = Math.min(clock.getDelta(), 0.05);
       const elapsed = clock.elapsedTime;
       const animationFactor = visualState.animationsEnabled ? 1 : 0;