(function (root, factory) {
  // 家族圈动态模块同时支持浏览器页面和 Node 单元测试。
  if (typeof module === 'object' && module.exports) {
    module.exports = factory(root);
    return;
  }

  root.FeedPages = factory(root);
  if (root.document) {
    root.document.addEventListener('DOMContentLoaded', function () {
      root.FeedPages.init();
    });
  }
})(typeof globalThis !== 'undefined' ? globalThis : window, function (root) {
  'use strict';

  var documentRef = root.document;
  var PAGE_SIZE = 20;
  var currentFeedPage = 1;
  var currentCommentPages = {};
  var currentReplyPages = {};
  var pendingActions = {};
  var viewerContext = {
    userId: '',
    canEditContent: false,
    canManage: false
  };

  function getApi() {
    return root.GenealogyApi && root.GenealogyApi.defaultClient;
  }

  function shouldRedirectToLogin(api, error) {
    var status = error && (error.status || error.code);

    return !api || !api.getToken || !api.getToken() || Number(status) === 401;
  }

  function redirectUnauthorized(api, error) {
    if (!shouldRedirectToLogin(api, error)) return false;
    if (api && api.clearToken) api.clearToken();
    if (!root.location) return true;
    if (typeof root.location.replace === 'function') {
      root.location.replace('login.html');
      return true;
    }
    root.location.href = 'login.html';
    return true;
  }

  function query(selector, rootNode) {
    return documentRef ? (rootNode || documentRef).querySelector(selector) : null;
  }

  function queryAll(selector, rootNode) {
    return documentRef ? Array.prototype.slice.call((rootNode || documentRef).querySelectorAll(selector)) : [];
  }

  function showMessage(message) {
    if (root.layui && root.layui.layer) {
      root.layui.layer.msg(message);
      return;
    }

    if (root.alert) root.alert(message);
  }

  function getQueryParam(search, name) {
    var params = new URLSearchParams(String(search || '').replace(/^\?/, ''));

    return params.get(name) || '';
  }

  function getCurrentGenealogyId(search) {
    var page = query('[data-feed-page], [data-feed-edit-page], [data-feed-detail-page]');
    var source = search === undefined && root.location ? root.location.search : search;
    var profileGenealogyId;

    if (search === undefined && root.ProfileUI && root.ProfileUI.getGenealogyId) {
      profileGenealogyId = root.ProfileUI.getGenealogyId();
      if (profileGenealogyId) return profileGenealogyId;
    }
    return getQueryParam(source, 'genealogyId') || (page && page.getAttribute('data-genealogy-id')) || '';
  }

  function getCurrentFeedId(search) {
    var source = search === undefined && root.location ? root.location.search : search;

    return getQueryParam(source, 'feedId');
  }

  function trimOrUndefined(value) {
    var text = String(value === undefined || value === null ? '' : value).trim();

    return text || undefined;
  }

  function toIntegerOrUndefined(value) {
    var text = trimOrUndefined(value);
    var number;

    if (!text) return undefined;
    number = Number(text);
    return Number.isSafeInteger(number) && number >= 0 ? number : undefined;
  }

  function toId(value) {
    var text;

    if (value === undefined || value === null || value === '') return '';
    text = String(value);
    return /^\d+$/.test(text) ? text : '';
  }

  function setDefined(target, source, fields) {
    fields.forEach(function (field) {
      if (source[field] !== undefined && source[field] !== null) target[field] = source[field];
    });
    return target;
  }

  function buildPageQuery(pageNum) {
    var number = Number(pageNum);

    if (!Number.isSafeInteger(number) || number < 1) number = 1;
    return {
      pageNum: number,
      pageSize: PAGE_SIZE
    };
  }

  function buildFeedUrl(kind, genealogyId, feedId) {
    var params = new URLSearchParams();
    var page = 'profile-feed.html';

    params.set('genealogyId', toId(genealogyId));
    if (kind === 'detail' || kind === 'edit') {
      params.set('feedId', toId(feedId));
      page = kind === 'detail' ? 'profile-feed-detail.html' : 'profile-feed-edit.html';
    }
    return page + '?' + params.toString();
  }

  function buildPostSaveUrl(genealogyId, feedId, status) {
    return String(status || '0') === '1'
      ? buildFeedUrl('list', genealogyId)
      : buildFeedUrl('detail', genealogyId, feedId);
  }

  function withActionLock(key, task) {
    var promise;

    if (pendingActions[key]) return pendingActions[key];
    try {
      promise = Promise.resolve(task());
    } catch (error) {
      promise = Promise.reject(error);
    }
    pendingActions[key] = promise.finally(function () {
      delete pendingActions[key];
    });
    return pendingActions[key];
  }

  function buildFeedBody(values) {
    // FamilyFeedBody 只提交最新接口文档定义的字段。
    var source = values || {};
    var mediaOssIds = trimOrUndefined(source.mediaOssIds);
    var status = trimOrUndefined(source.status);
    var body = {
      feedType: trimOrUndefined(source.feedType) || 'text',
      feedContent: String(source.feedContent || '').trim()
    };
    var sortOrder = toIntegerOrUndefined(source.sortOrder);

    if (status !== undefined && status !== '0' && status !== '1') {
      throw new Error('动态状态只能是 0 或 1');
    }
    if (trimOrUndefined(source.sortOrder) !== undefined && sortOrder === undefined) {
      throw new Error('排序值必须是非负整数');
    }
    if (mediaOssIds !== undefined) body.mediaOssIds = mediaOssIds;
    if (status !== undefined) body.status = status;
    if (sortOrder !== undefined) body.sortOrder = sortOrder;
    return body;
  }

  function buildCommentBody(values) {
    // FamilyFeedCommentBody 仅接受 commentContent 和可选的 parentCommentId。
    var source = values || {};
    var body = {
      commentContent: String(source.commentContent || '').trim()
    };
    var parentCommentId = trimOrUndefined(source.parentCommentId);

    if (parentCommentId !== undefined) body.parentCommentId = parentCommentId;
    return body;
  }

  function getFeedId(item) {
    return toId(item && item.feedId);
  }

  function getCommentId(item) {
    return toId(item && item.commentId);
  }

  function normalizeFeed(item) {
    var feedId = getFeedId(item);
    var feedContent = item && item.feedContent;
    var feed;

    if (!feedId || feedContent === undefined || feedContent === null) return null;
    feed = setDefined({
      feedId: feedId,
      feedContent: String(feedContent)
    }, item, [
      'genealogyNo',
      'genealogyName',
      'publisherNickName',
      'publisherStatus',
      'feedType',
      'mediaOssIds',
      'likedByMe',
      'likeCount',
      'commentCount',
      'pinned',
      'pinnedTime',
      'sortOrder',
      'status',
      'remark',
      'createTime',
      'updateTime'
    ]);
    if (toId(item.genealogyId)) feed.genealogyId = toId(item.genealogyId);
    if (toId(item.publisherUserId)) feed.publisherUserId = toId(item.publisherUserId);
    return feed;
  }

  function normalizeComment(item) {
    var commentId = getCommentId(item);
    var commentContent = item && item.commentContent;
    var userDeleted;

    if (!commentId || commentContent === undefined) return null;
    userDeleted = String(item && item.userDeleted || '') === '1';
    var comment = {
      commentId: commentId,
      commentContent: commentContent === null ? '该评论已删除' : String(commentContent),
      appUserNickName: trimOrUndefined(item && item.appUserNickName),
      replyCount: item && item.replyCount,
      userDeleted: userDeleted || commentContent === null
    };
    setDefined(comment, item, [
      'appUserAvatar',
      'parentAppUserNickName',
      'commentLevel',
      'status',
      'createTime'
    ]);
    ['genealogyId', 'feedId', 'parentCommentId', 'appUserId', 'parentAppUserId'].forEach(function (field) {
      if (toId(item && item[field])) comment[field] = toId(item[field]);
    });
    return comment;
  }

  function normalizeList(data) {
    // AxiosRequestUtil 已解包 ListResult 与 PageResult，这里只接收对应的 data 或 rows。
    if (Array.isArray(data)) return data;
    if (data && Array.isArray(data.rows)) return data.rows;
    return [];
  }

  function escapeHtml(value) {
    return String(value === undefined || value === null ? '' : value)
      .replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#39;');
  }

  function getListUrl(genealogyId, feedId) {
    return buildFeedUrl(feedId ? 'edit' : 'list', genealogyId, feedId);
  }

  function renderFeedRow(feed, genealogyId) {
    var canDelete = viewerContext.userId && viewerContext.userId === feed.publisherUserId;
    var mediaCount = feed.mediaOssIds ? String(feed.mediaOssIds).split(',').filter(Boolean).length : 0;
    var title = feed.publisherNickName || feed.genealogyName || '家族动态';
    var meta = [];
    var actions = '';

    if (feed.pinned === true || String(feed.pinned) === '1') meta.push('置顶');
    if (feed.createTime) meta.push(feed.createTime);
    if (mediaCount) meta.push('附件 ' + mediaCount);
    meta.push('点赞 ' + Number(feed.likeCount || 0));
    meta.push('评论 ' + Number(feed.commentCount || 0));
    actions += feed.likedByMe
      ? '<button class="pill" type="button" data-feed-unlike="' + escapeHtml(feed.feedId) + '">取消点赞</button>'
      : '<button class="pill" type="button" data-feed-like="' + escapeHtml(feed.feedId) + '">点赞</button>';
    actions += '<a class="pill" href="' + escapeHtml(buildFeedUrl('detail', genealogyId, feed.feedId)) + '">查看详情</a>';
    actions += '<button class="pill" type="button" data-feed-comments="' + escapeHtml(feed.feedId) + '">查看评论</button>';
    actions += '<button class="pill" type="button" data-feed-comment="' + escapeHtml(feed.feedId) + '">发表评论</button>';
    if (viewerContext.canEditContent) {
      actions += '<a class="pill" href="' + escapeHtml(buildFeedUrl('edit', genealogyId, feed.feedId)) + '">编辑</a>';
    }
    if (canDelete) {
      actions += '<button class="pill" type="button" data-feed-delete="' + escapeHtml(feed.feedId) + '">删除</button>';
    }

    return '<article class="module-row feed-row" data-feed-id="' + escapeHtml(feed.feedId) + '">' +
      '<div><h3>' + escapeHtml(title) + '</h3><p>' + escapeHtml(feed.feedContent) + '</p>' +
      '<p class="module-meta">' + escapeHtml(meta.join(' · ')) + '</p></div>' +
      '<div class="row-actions">' + actions + '</div></article>';
  }

  function renderFeeds(data, genealogyId) {
    var container = query('[data-feed-list]');
    var items = normalizeList(data).map(normalizeFeed);
    var invalidCount = items.filter(function (item) { return !item; }).length;
    var feeds = items.filter(Boolean);

    if (!container) return;
    if (invalidCount) {
      container.innerHTML = '<div class="api-empty">动态响应缺少 feedId 或 feedContent，请联系后端补充 DTO。</div>';
      return;
    }
    if (!feeds.length) {
      container.innerHTML = '<div class="api-empty">暂无家族动态</div>';
      return;
    }

    container.innerHTML = feeds.map(function (feed) {
      return renderFeedRow(feed, genealogyId);
    }).join('');
  }

  function getPageTotal(data) {
    var total = Number(data && data.total);

    return Number.isFinite(total) && total >= 0 ? total : 0;
  }

  function updateListPager(data) {
    var total = getPageTotal(data);
    var totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE));
    var previous = query('[data-feed-page-prev]');
    var next = query('[data-feed-page-next]');
    var label = query('[data-feed-page-label]');

    if (previous) previous.disabled = currentFeedPage <= 1;
    if (next) next.disabled = currentFeedPage >= totalPages;
    if (label) label.textContent = '第 ' + currentFeedPage + ' / ' + totalPages + ' 页，共 ' + total + ' 条';
  }

  function hasReplies(comment) {
    var count = comment && comment.replyCount;

    return count !== undefined && count !== null && String(count) !== '' && String(count) !== '0';
  }

  function renderCommentRow(feedId, comment) {
    var author = comment.appUserNickName ? '<strong>' + escapeHtml(comment.appUserNickName) + '</strong> ' : '';
    var actions = '';
    var canDelete = viewerContext.userId && viewerContext.userId === comment.appUserId;

    if (!comment.userDeleted) {
      actions += '<button class="pill" type="button" data-feed-comment-reply="' + escapeHtml(comment.commentId) + '" data-feed-id="' + escapeHtml(feedId) + '">回复</button>';
      if (canDelete) {
        actions += '<button class="pill" type="button" data-feed-comment-delete="' + escapeHtml(comment.commentId) + '" data-feed-id="' + escapeHtml(feedId) + '">删除评论</button>';
      }
    }
    if (hasReplies(comment)) {
      actions += '<button class="pill" type="button" data-feed-comment-replies="' + escapeHtml(comment.commentId) + '" data-feed-id="' + escapeHtml(feedId) + '">查看回复</button>';
    }

    return '<div class="module-row" data-feed-comment-node="' + escapeHtml(comment.commentId) + '"><p>' + author + escapeHtml(comment.commentContent) + '</p>' +
      (comment.createTime ? '<p class="module-meta">' + escapeHtml(comment.createTime) + '</p>' : '') + actions + '</div>';
  }

  function normalizeComments(data) {
    var comments = normalizeList(data).map(normalizeComment);

    return {
      invalidCount: comments.filter(function (item) { return !item; }).length,
      comments: comments.filter(Boolean)
    };
  }

  function renderComments(feedId, data) {
    var detailContainer = query('[data-feed-detail-comments]');
    var row = query('[data-feed-id="' + feedId + '"]');
    var result = normalizeComments(data);
    var list = result.comments;
    var previous = row && row.nextElementSibling;
    var content;

    if (!row && !detailContainer) return;
    if (previous && previous.getAttribute('data-feed-comment-list') === feedId) previous.remove();
    if (result.invalidCount) {
      content = '<div class="api-empty">评论响应缺少 commentId 或 commentContent，请联系后端补充 DTO。</div>';
      if (detailContainer) detailContainer.innerHTML = content;
      else row.insertAdjacentHTML('afterend', '<div data-feed-comment-list="' + escapeHtml(feedId) + '">' + content + '</div>');
      return;
    }
    if (!list.length) {
      content = '<div class="api-empty">暂无评论</div>';
      if (detailContainer) detailContainer.innerHTML = content;
      else row.insertAdjacentHTML('afterend', '<div data-feed-comment-list="' + escapeHtml(feedId) + '">' + content + '</div>');
      return;
    }

    content = '<div class="module-list">' + list.map(function (comment) {
      return renderCommentRow(feedId, comment);
    }).join('') + '</div>' + renderPageControls('comments', feedId, '', currentCommentPages[feedId] || 1, getPageTotal(data));
    if (detailContainer) detailContainer.innerHTML = content;
    else row.insertAdjacentHTML('afterend', '<div data-feed-comment-list="' + escapeHtml(feedId) + '">' + content + '</div>');
  }

  function renderCommentReplies(feedId, parentCommentId, data) {
    var row = query('[data-feed-comment-node="' + parentCommentId + '"]');
    var result = normalizeComments(data);
    var previous = row && row.nextElementSibling;

    if (!row) return;
    if (previous && previous.getAttribute('data-feed-reply-list') === parentCommentId) previous.remove();
    if (result.invalidCount) {
      row.insertAdjacentHTML('afterend', '<div class="api-empty" data-feed-reply-list="' + escapeHtml(parentCommentId) + '">回复响应缺少 commentId 或 commentContent，请联系后端补充 DTO。</div>');
      return;
    }
    if (!result.comments.length) {
      row.insertAdjacentHTML('afterend', '<div class="api-empty" data-feed-reply-list="' + escapeHtml(parentCommentId) + '">暂无直接回复</div>');
      return;
    }

    row.insertAdjacentHTML('afterend', '<div class="module-list" data-feed-reply-list="' + escapeHtml(parentCommentId) + '">' + result.comments.map(function (comment) {
      return renderCommentRow(feedId, comment);
    }).join('') + renderPageControls('replies', feedId, parentCommentId, currentReplyPages[parentCommentId] || 1, getPageTotal(data)) + '</div>');
  }

  function renderPageControls(kind, feedId, commentId, pageNum, total) {
    var totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE));
    var prefix = kind === 'comments' ? 'data-feed-comments-' : 'data-feed-replies-';
    var ids = ' data-feed-id="' + escapeHtml(feedId) + '"' +
      (commentId ? ' data-comment-id="' + escapeHtml(commentId) + '"' : '');

    return '<div class="row-actions">' +
      '<button class="pill" type="button" ' + prefix + 'prev' + ids + (pageNum <= 1 ? ' disabled' : '') + '>上一页</button>' +
      '<span>第 ' + pageNum + ' / ' + totalPages + ' 页</span>' +
      '<button class="pill" type="button" ' + prefix + 'next' + ids + (pageNum >= totalPages ? ' disabled' : '') + '>下一页</button>' +
      '</div>';
  }

  function getFormValues(form) {
    var values = {};

    queryAll('[name]', form).forEach(function (field) {
      if (field.disabled) return;
      values[field.name] = field.value;
    });
    return values;
  }

  function fillFeedForm(data) {
    var feed = normalizeFeed(data);

    if (!feed) throw new Error('动态响应缺少 feedId 或 feedContent，请联系后端补充 DTO。');
    queryAll('[data-feed-form] [name]').forEach(function (field) {
      if (feed[field.name] !== undefined && feed[field.name] !== null) field.value = feed[field.name];
    });
  }

  function normalizeViewerContext(genealogy, profile) {
    return {
      userId: toId(profile && profile.userId),
      canEditContent: genealogy && genealogy.canEditContent === true,
      canManage: genealogy && genealogy.canManage === true
    };
  }

  async function loadViewerContext(api, genealogyId) {
    var genealogy;
    var profile;

    try {
      genealogy = await api.genealogyDetail(genealogyId);
    } catch (error) {
      genealogy = null;
    }
    try {
      profile = await api.currentProfile();
    } catch (error) {
      profile = null;
    }
    viewerContext = normalizeViewerContext(genealogy, profile);
    return viewerContext;
  }

  function renderFeedDetail(feed, genealogyId) {
    var container = query('[data-feed-detail]');
    var canDelete = viewerContext.userId && viewerContext.userId === feed.publisherUserId;
    var actions = '';

    if (!container) return;
    actions += feed.likedByMe
      ? '<button class="pill" type="button" data-feed-unlike="' + escapeHtml(feed.feedId) + '">取消点赞</button>'
      : '<button class="pill" type="button" data-feed-like="' + escapeHtml(feed.feedId) + '">点赞</button>';
    actions += '<button class="pill" type="button" data-feed-comment="' + escapeHtml(feed.feedId) + '">发表评论</button>';
    actions += '<button class="pill" type="button" data-feed-share>复制分享链接</button>';
    if (viewerContext.canEditContent) {
      actions += '<a class="pill" href="' + escapeHtml(buildFeedUrl('edit', genealogyId, feed.feedId)) + '">编辑</a>';
    }
    if (canDelete) {
      actions += '<button class="pill" type="button" data-feed-delete="' + escapeHtml(feed.feedId) + '">删除</button>';
    }
    container.setAttribute('data-feed-id', feed.feedId);
    container.innerHTML = '<h2>' + escapeHtml(feed.publisherNickName || feed.genealogyName || '家族动态') + '</h2>' +
      '<p>' + escapeHtml(feed.feedContent) + '</p>' +
      '<p class="module-meta">' +
      escapeHtml([
        feed.createTime || '',
        '点赞 ' + Number(feed.likeCount || 0),
        '评论 ' + Number(feed.commentCount || 0),
        String(feed.status) === '1' ? '已停用' : '正常'
      ].filter(Boolean).join(' · ')) +
      '</p><div class="row-actions">' + actions + '</div>';
  }

  function syncGenealogyLinks(genealogyId) {
    if (root.ProfileUI && root.ProfileUI.syncGenealogyContextLinks) {
      root.ProfileUI.syncGenealogyContextLinks();
    }
    queryAll('[data-feed-create-link], [data-feed-list-link]').forEach(function (link) {
      link.href = link.hasAttribute('data-feed-create-link')
        ? buildFeedUrl('edit', genealogyId)
        : buildFeedUrl('list', genealogyId);
    });
  }

  function requireGenealogyId() {
    var genealogyId = getCurrentGenealogyId();
    var container;

    if (!genealogyId) {
      container = query('[data-feed-list]');
      if (container) container.innerHTML = '<div class="api-empty">请从具体家谱进入家族圈动态</div>';
      showMessage('请从具体家谱进入家族圈动态');
    }
    return genealogyId;
  }

  async function loadFeeds(pageNum) {
    var api = getApi();
    var genealogyId;
    var data;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    syncGenealogyLinks(genealogyId);
    currentFeedPage = buildPageQuery(pageNum || getQueryParam(root.location && root.location.search, 'pageNum')).pageNum;
    try {
      await loadViewerContext(api, genealogyId);
      data = await api.feedsPage(genealogyId, buildPageQuery(currentFeedPage));
      renderFeeds(data, genealogyId);
      updateListPager(data);
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (query('[data-feed-list]')) query('[data-feed-list]').innerHTML = '<div class="api-empty">家族动态加载失败，请稍后重试。</div>';
      showMessage(error.message || '家族动态加载失败');
    }
  }

  async function loadFeedForEdit() {
    var api = getApi();
    var genealogyId;
    var feedId = getCurrentFeedId();

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    syncGenealogyLinks(genealogyId);
    try {
      await loadViewerContext(api, genealogyId);
      if (query('[data-feed-advanced]')) {
        query('[data-feed-advanced]').hidden = !viewerContext.canManage;
        queryAll('[name]', query('[data-feed-advanced]')).forEach(function (field) {
          field.disabled = !viewerContext.canManage;
        });
      }
      if (!feedId) return;
      fillFeedForm(await api.feedDetail(genealogyId, feedId));
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      showMessage(error.message || '动态详情加载失败');
    }
  }

  async function loadFeedDetail() {
    var api = getApi();
    var genealogyId;
    var feedId = getCurrentFeedId();
    var feed;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId) {
      if (query('[data-feed-detail]')) query('[data-feed-detail]').innerHTML = '<div class="api-empty">动态链接缺少有效编号</div>';
      return;
    }
    syncGenealogyLinks(genealogyId);
    try {
      await loadViewerContext(api, genealogyId);
      feed = normalizeFeed(await api.feedDetail(genealogyId, feedId));
      if (!feed) throw new Error('动态响应缺少 feedId 或 feedContent，请联系后端补充 DTO。');
      renderFeedDetail(feed, genealogyId);
      await showComments(feedId, currentCommentPages[feedId] || 1);
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (query('[data-feed-detail]')) query('[data-feed-detail]').innerHTML = '<div class="api-empty">动态详情加载失败，请返回列表重试。</div>';
      showMessage(error.message || '动态详情加载失败');
    }
  }

  async function submitFeed(form) {
    var api = getApi();
    var genealogyId;
    var feedId = getCurrentFeedId();
    var body;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId) return;
    // 富文本编辑器在提交前同步回 textarea，保证发送的是用户当前输入。
    if (root.AppRichEditor && root.AppRichEditor.syncAll) root.AppRichEditor.syncAll();
    try {
      body = buildFeedBody(getFormValues(form));
    } catch (error) {
      showMessage(error.message || '动态表单校验失败');
      return;
    }
    if (!body.feedContent) {
      showMessage('请填写动态内容');
      return;
    }
    return withActionLock('save:' + (feedId || 'new'), async function () {
      var saved;
      var savedFeedId;
      var buttons = queryAll('[type="submit"]', form);

      buttons.forEach(function (button) { button.disabled = true; });
      try {
        if (feedId) {
          saved = await api.updateFeed(genealogyId, feedId, body);
        } else {
          saved = await api.createFeed(genealogyId, body);
        }
        savedFeedId = getFeedId(saved) || feedId;
        if (!savedFeedId) throw new Error('动态保存响应缺少 feedId');
        if (String(body.status || '0') === '0') {
          await api.feedDetail(genealogyId, savedFeedId);
        }
        showMessage('动态已保存');
        root.location.href = buildPostSaveUrl(genealogyId, savedFeedId, body.status);
      } catch (error) {
        if (redirectUnauthorized(api, error)) return;
        showMessage(error.message || '动态保存失败');
      } finally {
        buttons.forEach(function (button) { button.disabled = false; });
      }
    });
  }

  async function likeFeed(feedId, shouldLike) {
    var api = getApi();
    var genealogyId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId) return;
    return withActionLock((shouldLike ? 'like:' : 'unlike:') + feedId, async function () {
      try {
        if (shouldLike) {
          await api.likeFeed(genealogyId, feedId);
        } else {
          await api.unlikeFeed(genealogyId, feedId);
        }
        if (query('[data-feed-detail-page]')) await loadFeedDetail();
        else await loadFeeds(currentFeedPage);
      } catch (error) {
        if (redirectUnauthorized(api, error)) return;
        showMessage(error.message || (shouldLike ? '点赞失败' : '取消点赞失败'));
      }
    });
  }

  async function deleteFeed(feedId) {
    var api = getApi();
    var genealogyId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId) return;
    if (root.confirm && !root.confirm('确认删除这条动态吗？')) return;
    return withActionLock('delete:' + feedId, async function () {
      try {
        await api.deleteFeed(genealogyId, feedId);
        if (query('[data-feed-detail-page]')) root.location.href = buildFeedUrl('list', genealogyId);
        else await loadFeeds(currentFeedPage);
      } catch (error) {
        if (redirectUnauthorized(api, error)) return;
        showMessage(error.message || '删除动态失败');
      }
    });
  }

  async function showComments(feedId, pageNum) {
    var api = getApi();
    var genealogyId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId) return;
    currentCommentPages[feedId] = buildPageQuery(pageNum).pageNum;
    try {
      renderComments(
        feedId,
        await api.feedCommentsPage(genealogyId, feedId, buildPageQuery(currentCommentPages[feedId]))
      );
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (query('[data-feed-detail-comments]')) {
        query('[data-feed-detail-comments]').innerHTML = '<div class="api-empty">评论加载失败，请稍后重试。</div>';
      }
      showMessage(error.message || '评论加载失败');
    }
  }

  async function showCommentReplies(feedId, commentId, pageNum) {
    var api = getApi();
    var genealogyId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId || !commentId) return;
    currentReplyPages[commentId] = buildPageQuery(pageNum).pageNum;
    try {
      renderCommentReplies(
        feedId,
        commentId,
        await api.feedCommentRepliesPage(
          genealogyId,
          feedId,
          commentId,
          buildPageQuery(currentReplyPages[commentId])
        )
      );
    } catch (error) {
      if (redirectUnauthorized(api, error)) return;
      if (query('[data-feed-comment-node="' + commentId + '"]')) {
        query('[data-feed-comment-node="' + commentId + '"]').insertAdjacentHTML(
          'afterend',
          '<div class="api-empty">回复加载失败，请稍后重试。</div>'
        );
      }
      showMessage(error.message || '回复加载失败');
    }
  }

  async function createComment(feedId, parentCommentId) {
    var api = getApi();
    var genealogyId;
    var content;
    var body;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId) return;
    content = root.prompt ? root.prompt(parentCommentId ? '请输入回复内容' : '请输入评论内容', '') : '';
    body = buildCommentBody({ commentContent: content, parentCommentId: parentCommentId });
    if (!body.commentContent) return;
    if (body.commentContent.length > 1000) {
      showMessage('评论不能超过 1000 字');
      return;
    }
    return withActionLock('comment:' + feedId + ':' + (parentCommentId || 'root'), async function () {
      try {
        await api.createFeedComment(genealogyId, feedId, body);
        await showComments(feedId, currentCommentPages[feedId] || 1);
        if (parentCommentId) await showCommentReplies(feedId, parentCommentId, currentReplyPages[parentCommentId] || 1);
        if (query('[data-feed-detail-page]')) {
          var feed = normalizeFeed(await api.feedDetail(genealogyId, feedId));
          if (feed) renderFeedDetail(feed, genealogyId);
        } else {
          await loadFeeds(currentFeedPage);
        }
      } catch (error) {
        if (redirectUnauthorized(api, error)) return;
        showMessage(error.message || '评论发布失败');
      }
    });
  }

  async function deleteComment(feedId, commentId) {
    var api = getApi();
    var genealogyId;

    if (redirectUnauthorized(api)) return;
    genealogyId = requireGenealogyId();
    if (!genealogyId || !feedId || !commentId) return;
    if (root.confirm && !root.confirm('确认删除这条评论吗？')) return;
    return withActionLock('delete-comment:' + commentId, async function () {
      try {
        await api.deleteFeedComment(genealogyId, feedId, commentId);
        await showComments(feedId, currentCommentPages[feedId] || 1);
        if (query('[data-feed-detail-page]')) {
          var feed = normalizeFeed(await api.feedDetail(genealogyId, feedId));
          if (feed) renderFeedDetail(feed, genealogyId);
        } else {
          await loadFeeds(currentFeedPage);
        }
      } catch (error) {
        if (redirectUnauthorized(api, error)) return;
        showMessage(error.message || '删除评论失败');
      }
    });
  }

  function bindActions() {
    if (!documentRef) return;
    documentRef.addEventListener('submit', function (event) {
      var form = event.target.closest('[data-feed-form]');

      if (!form) return;
      event.preventDefault();
      submitFeed(form);
    });
    documentRef.addEventListener('click', function (event) {
      var target = event.target;
      var feedId;
      var commentId;
      var pageNum;

      if (target.closest('[data-feed-like]')) {
        event.preventDefault();
        likeFeed(target.closest('[data-feed-like]').getAttribute('data-feed-like'), true);
      }
      if (target.closest('[data-feed-unlike]')) {
        event.preventDefault();
        likeFeed(target.closest('[data-feed-unlike]').getAttribute('data-feed-unlike'), false);
      }
      if (target.closest('[data-feed-comments]')) {
        event.preventDefault();
        feedId = target.closest('[data-feed-comments]').getAttribute('data-feed-comments');
        showComments(feedId, 1);
      }
      if (target.closest('[data-feed-comment]')) {
        event.preventDefault();
        feedId = target.closest('[data-feed-comment]').getAttribute('data-feed-comment');
        createComment(feedId);
      }
      if (target.closest('[data-feed-comment-reply]')) {
        event.preventDefault();
        commentId = target.closest('[data-feed-comment-reply]').getAttribute('data-feed-comment-reply');
        feedId = target.closest('[data-feed-comment-reply]').getAttribute('data-feed-id');
        createComment(feedId, commentId);
      }
      if (target.closest('[data-feed-comment-replies]')) {
        event.preventDefault();
        commentId = target.closest('[data-feed-comment-replies]').getAttribute('data-feed-comment-replies');
        feedId = target.closest('[data-feed-comment-replies]').getAttribute('data-feed-id');
        showCommentReplies(feedId, commentId, 1);
      }
      if (target.closest('[data-feed-delete]')) {
        event.preventDefault();
        deleteFeed(target.closest('[data-feed-delete]').getAttribute('data-feed-delete'));
      }
      if (target.closest('[data-feed-comment-delete]')) {
        event.preventDefault();
        commentId = target.closest('[data-feed-comment-delete]').getAttribute('data-feed-comment-delete');
        feedId = target.closest('[data-feed-comment-delete]').getAttribute('data-feed-id');
        deleteComment(feedId, commentId);
      }
      if (target.closest('[data-feed-page-prev]')) {
        event.preventDefault();
        loadFeeds(Math.max(1, currentFeedPage - 1));
      }
      if (target.closest('[data-feed-page-next]')) {
        event.preventDefault();
        loadFeeds(currentFeedPage + 1);
      }
      if (target.closest('[data-feed-comments-prev], [data-feed-comments-next]')) {
        event.preventDefault();
        feedId = target.closest('[data-feed-id]').getAttribute('data-feed-id');
        pageNum = currentCommentPages[feedId] || 1;
        showComments(feedId, target.closest('[data-feed-comments-prev]') ? Math.max(1, pageNum - 1) : pageNum + 1);
      }
      if (target.closest('[data-feed-replies-prev], [data-feed-replies-next]')) {
        event.preventDefault();
        feedId = target.closest('[data-feed-id]').getAttribute('data-feed-id');
        commentId = target.closest('[data-comment-id]').getAttribute('data-comment-id');
        pageNum = currentReplyPages[commentId] || 1;
        showCommentReplies(feedId, commentId, target.closest('[data-feed-replies-prev]') ? Math.max(1, pageNum - 1) : pageNum + 1);
      }
      if (target.closest('[data-feed-share]')) {
        event.preventDefault();
        if (root.navigator && root.navigator.clipboard && root.location) {
          root.navigator.clipboard.writeText(root.location.href).then(function () {
            showMessage('分享链接已复制');
          }).catch(function () {
            showMessage('复制失败，请从浏览器地址栏复制');
          });
        } else {
          showMessage('请从浏览器地址栏复制分享链接');
        }
      }
    });
  }

  function init() {
    if (!documentRef) return;
    bindActions();
    if (query('[data-feed-page]')) loadFeeds();
    if (query('[data-feed-edit-page]')) loadFeedForEdit();
    if (query('[data-feed-detail-page]')) loadFeedDetail();
  }

  return {
    getCurrentGenealogyId: getCurrentGenealogyId,
    getCurrentFeedId: getCurrentFeedId,
    buildFeedBody: buildFeedBody,
    buildCommentBody: buildCommentBody,
    buildPageQuery: buildPageQuery,
    buildFeedUrl: buildFeedUrl,
    buildPostSaveUrl: buildPostSaveUrl,
    withActionLock: withActionLock,
    normalizeFeed: normalizeFeed,
    normalizeComment: normalizeComment,
    normalizeViewerContext: normalizeViewerContext,
    normalizeComments: normalizeComments,
    normalizeList: normalizeList,
    shouldRedirectToLogin: shouldRedirectToLogin,
    init: init
  };
});