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/guide-dialog/index.ts

@@ -0,0 +1,15 @@
+export type { DefaultGuideDialogPanelProps } from "./DefaultGuideDialogPanel";
+export { DefaultGuideDialogPanel } from "./DefaultGuideDialogPanel";
+export { GuideDialog } from "./GuideDialog";
+export type {
+	GuideDialogActions,
+	GuideDialogCharacter,
+	GuideDialogLayout,
+	GuideDialogOption,
+	GuideDialogPlacement,
+	GuideDialogProps,
+	GuideDialogRenderState,
+	GuideDialogState,
+	GuideDialogStep,
+	GuideDialogTheme,
+} from "./GuideDialog.types";