feat: 引入 yuxiang-kit 课程组件源码与运行时

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/components/course-interactions/drag-drop/DragDrop.module.css

@@ -0,0 +1,21 @@
+@reference "tailwindcss";
+
+.draggable {
+	@apply touch-none select-none;
+}
+
+.dragging {
+	@apply z-10 cursor-grabbing;
+}
+
+.droppable {
+	@apply transition-colors;
+}
+
+.over {
+	@apply bg-blue-50;
+}
+
+.disabled {
+	@apply pointer-events-none opacity-50;
+}