feat(分享): 新增分享模板风格选择与访客反馈功能

新增分享模板风格选择功能，支持编辑、电影和剪贴簿三种风格
添加访客反馈系统，包括查看次数统计和留言功能
优化分享状态管理，区分公开、草稿和预览状态
扩展分享配置数据模型，支持模板风格和反馈统计
重构分享页面样式，根据模板风格应用不同主题

src/pages/story/utils/shareState.ts

@@ -0,0 +1,72 @@
+export type StoryShareMeta = {
+  instanceId?: string;
+  publicShareId?: string;
+  shareId?: string;
+  shareConfigured?: boolean;
+  sharePublished?: boolean;
+};
+
+export type StoryShareState = 'public' | 'draft' | 'preview';
+
+export const getStoryPublicShareId = (story?: StoryShareMeta) =>
+  story?.publicShareId || story?.shareId;
+
+export const getStoryShareState = (story?: StoryShareMeta): StoryShareState => {
+  const publicShareId = getStoryPublicShareId(story);
+
+  if (story?.sharePublished || publicShareId) {
+    return 'public';
+  }
+
+  if (story?.shareConfigured) {
+    return 'draft';
+  }
+
+  return 'preview';
+};
+
+export const getStoryShareStatusText = (story?: StoryShareMeta) => {
+  switch (getStoryShareState(story)) {
+    case 'public':
+      return 'Public share is live';
+    case 'draft':
+      return 'Share draft is ready';
+    default:
+      return 'Preview available';
+  }
+};
+
+export const getStoryShareActionLabel = (story?: StoryShareMeta) => {
+  switch (getStoryShareState(story)) {
+    case 'public':
+      return 'Copy Link';
+    case 'draft':
+      return 'Draft Preview';
+    default:
+      return 'Preview';
+  }
+};
+
+export const getStoryShareMenuLabel = (story?: StoryShareMeta) => {
+  switch (getStoryShareState(story)) {
+    case 'public':
+      return 'Copy share link';
+    case 'draft':
+      return 'Open draft preview';
+    default:
+      return 'Open preview';
+  }
+};
+
+export const getStorySharePath = (story?: StoryShareMeta) => {
+  const publicShareId = getStoryPublicShareId(story);
+  if (publicShareId) {
+    return `/share/${publicShareId}`;
+  }
+
+  if (story?.instanceId) {
+    return `/share/preview/${story.instanceId}`;
+  }
+
+  return undefined;
+};