⚡️ perf(native-window): 优化 AI 独立窗口启动与交互

- 关闭时隐藏保活，重开复用现有进程并通过可见性版本消除竞态
- 拆分 AI 与工作台资源，使用启动状态白名单减少序列化开销
- 修复设置中心层级、Windows 前台切换及独立窗口关闭交互
- 补齐状态同步、断线重放与窗口生命周期回归测试

internal/nativewindow/runtime_script_test.go

@@ -28,6 +28,7 @@ func TestRuntimeExposesParentWindowManagerInsideDetachedChildren(t *testing.T) {
 		"Manager: parentWindowManager",
 		"bridge.OpenWindow(request || {})",
 		"bridge.FocusWindow",
+		"bridge.HideWindow",
 		"bridge.CloseWindow",
 	} {
 		if !strings.Contains(script, expected) {
@@ -36,6 +37,23 @@ func TestRuntimeExposesParentWindowManagerInsideDetachedChildren(t *testing.T) {
 	}
 }
 
+func TestRuntimeRoutesRevisionedHideAndFocusCommands(t *testing.T) {
+	script := detachedRuntimeBridgeScript()
+	for _, expected := range []string{
+		GracefulHideRequestEventName,
+		"requestGracefulHide(command)",
+		"visibilityRevisionOf(command)",
+		"control.FocusRevision(visibilityRevisionOf(command))",
+	} {
+		if !strings.Contains(script, expected) {
+			t.Fatalf("runtime bridge is missing revisioned visibility marker %q", expected)
+		}
+	}
+	if strings.Contains(script, "control.Hide(") {
+		t.Fatal("runtime hide command bypasses the frontend state flush")
+	}
+}
+
 func TestRuntimeRoutesParentCloseThroughGracefulFrontendEvent(t *testing.T) {
 	script := detachedRuntimeBridgeScript()
 	for _, expected := range []string{