feat(frontend): deepen single post 1:1 parity with Zibll

Split related style/source settings, add subtitle/meta/allow-view helpers, align cover/author/tags/pay shell markup and CSS with Zibll single.

assets/admin/src/schema/sections/post-list/page.js

@@ -21,9 +21,13 @@ export const pageSchema = {
     post_lightbox_play: false,
     post_related_enabled: true,
     post_related_count: 6,
+    // Display style (Zibll img/list/text). Legacy post_related_type may still hold source or style.
+    post_related_style: 'img',
+    post_related_source: 'category',
     post_related_type: 'category',
-    post_related_orderby: 'rand',
+    post_related_orderby: 'views',
     post_related_title: '相关推荐',
+    breadcrumbs_single_text: true,
     post_copyright_enabled: true,
     post_copyright_text: '',
     share_s: true,
@@ -64,6 +68,7 @@ export const pageSchema = {
         { key: 'post_reading_progress', label: '阅读进度条', type: 'switch', default: true },
         { key: 'breadcrumbs_single_s', label: '面包屑导航', type: 'switch', default: true },
         { key: 'breadcrumbs_home_text', label: '面包屑首页文字', type: 'input', default: '首页', dependsOn: { key: 'breadcrumbs_single_s', value: true } },
+        { key: 'breadcrumbs_single_text', label: '末项显示「正文」', type: 'switch', default: true, dependsOn: { key: 'breadcrumbs_single_s', value: true }, help: '关闭后末项显示文章标题' },
         { key: 'post_prevnext_s', label: '上一篇/下一篇', type: 'switch', default: true },
         { key: 'post_authordesc_s', label: '作者简介', type: 'switch', default: true },
         { key: 'post_single_hide_time_s', label: '隐藏文章时间', type: 'switch', default: false },
@@ -101,16 +106,21 @@ export const pageSchema = {
       fields: [
         { key: 'post_related_enabled', label: '显示相关推荐', type: 'switch', default: true },
         { key: 'post_related_count', label: '推荐数量', type: 'number', default: 6, min: 1, max: 20, dependsOn: { key: 'post_related_enabled', value: true } },
-        { key: 'post_related_type', label: '推荐方式', type: 'radio', default: 'category', options: [
-          { label: '同分类', value: 'category' },
+        { key: 'post_related_style', label: '展示样式', type: 'radio', default: 'img', options: [
+          { label: '图文卡片', value: 'img' },
+          { label: '列表', value: 'list' },
+          { label: '纯文字', value: 'text' },
+        ], dependsOn: { key: 'post_related_enabled', value: true }, help: '对齐 Zibll 相关文章三种样式' },
+        { key: 'post_related_source', label: '推荐来源', type: 'radio', default: 'category', options: [
+          { label: '同分类/标签/专题', value: 'category' },
           { label: '同标签', value: 'tag' },
           { label: '随机', value: 'random' },
         ], dependsOn: { key: 'post_related_enabled', value: true } },
-        { key: 'post_related_orderby', label: '推荐排序', type: 'select', default: 'rand', options: [
+        { key: 'post_related_orderby', label: '推荐排序', type: 'select', default: 'views', options: [
+          { label: '浏览量', value: 'views' },
           { label: '随机', value: 'rand' },
           { label: '相关度', value: 'relevance' },
           { label: '时间', value: 'date' },
-          { label: '浏览量', value: 'views' },
           { label: '更新时间', value: 'modified' },
         ], dependsOn: { key: 'post_related_enabled', value: true } },
         { key: 'post_related_title', label: '推荐标题', type: 'input', default: '相关推荐', dependsOn: { key: 'post_related_enabled', value: true } },