Fix topic preview: add missing edit/save methods, fix scrollbar, strip tags from preview body

platform/frontend/topics.html

@@ -159,8 +159,8 @@
                     </div>
                 </div>
                 <div style="max-width: 1000px; margin: 0 auto; width: 100%; display: flex; flex-direction: column;">
-                    <div v-if="!editing" class="preview-body" style="flex:1; min-height:500px; border:1px solid #ebeef5; border-radius:8px; background:#fff; padding:20px; overflow:auto; width:100%; line-height:1.8;" v-html="currentPreviewBody"></div>
+                    <div v-if="!editing" class="preview-body" style="flex:1; min-height:500px; max-height:calc(100vh - 310px); border:1px solid #ebeef5; border-radius:8px; background:#fff; padding:20px; overflow-y:auto; width:100%; line-height:1.8;" v-html="currentPreviewBody"></div>
-                    <div v-else ref="editor" contenteditable="true" style="flex:1; min-height:500px; border:1px solid #409eff; border-radius:8px; background:#fff; padding:20px; overflow:auto; width:100%; line-height:1.8; outline:none; box-shadow:0 0 0 2px rgba(64,158,255,0.2);" @input="editContent = $event.target.innerHTML"></div>
+                    <div v-else ref="editor" contenteditable="true" style="flex:1; min-height:500px; max-height:calc(100vh - 310px); border:1px solid #409eff; border-radius:8px; background:#fff; padding:20px; overflow-y:auto; width:100%; line-height:1.8; outline:none; box-shadow:0 0 0 2px rgba(64,158,255,0.2);" @input="editContent = $event.target.innerHTML"></div>
                 </div>
             </div>
             <template #footer>
@@ -196,6 +196,7 @@ const TopicsApp = {
             publishDialogVisible: false, publishTopic: null,
             publishPlatforms: { zhihu: true, wechat: true, xiaohongshu: true },
             publishing: false,
+            savingContent: false,
             currentPage: 1, pageSize: 20
         }
     },
@@ -240,7 +241,7 @@ const TopicsApp = {
                 const doc = parser.parseFromString(html, 'text/html');
                 const body = doc.body;
                 if (!body) return html;
-                body.querySelectorAll('script, nav, .header, footer, .interaction').forEach(el => el.remove());
+                body.querySelectorAll('script, nav, .header, .tags, footer, .interaction').forEach(el => el.remove());
                 return body.innerHTML;
             } catch (e) { console.error('解析 HTML 失败:', e); return html; }
         },
@@ -392,6 +393,29 @@ const TopicsApp = {
                 await this.fetchTodayCount();
             } catch (e) { if (e !== 'cancel') this.$message.error('删除失败'); }
         },
+        startEdit() {
+            this.editContent = this.currentPreviewBody;
+            this.editing = true;
+            this.$nextTick(() => { if (this.$refs.editor) this.$refs.editor.innerHTML = this.editContent; });
+        },
+        cancelEdit() {
+            this.editing = false;
+            this.editContent = '';
+        },
+        async saveContent() {
+            if (!this.previewTopic || !this.editContent) { this.$message.warning('没有内容可保存'); return; }
+            this.savingContent = true;
+            try {
+                await this.api(`/api/articles/${this.previewTopic.id}/content`, {
+                    method: 'PUT',
+                    body: JSON.stringify({ platform: this.previewPlatform, html_content: this.editContent })
+                });
+                this.$message.success('保存成功');
+                this.platformContents[this.previewPlatform] = this.editContent;
+                this.editing = false;
+            } catch (e) { this.$message.error('保存失败: ' + e.message); }
+            finally { this.savingContent = false; }
+        },
         handleLogout() { localStorage.removeItem('authToken'); localStorage.removeItem('userRole'); localStorage.removeItem('currentUser'); window.location.href = '/login.html'; },
         redirectToPage(page) { window.location.href = page.startsWith('/') ? page : '/' + page; },
         getStatusLabel(status) { return { 'pending': '待处理', 'review': '待审查', 'ready': '待发布', 'published': '已发布' }[status] || status; },