fix(ui): 重构 topics.html Vue 应用结构

- 完全重写 script 部分，确保 methods 和 mounted 正确闭包
- 修复 Vue 表达式未解析的问题
- 添加调试日志
- 确保移动端和桌面端都能正确挂载

platform/frontend/topics.html

@@ -181,42 +181,126 @@
     </div>
     <script src="/static/vue/vue.global.js"></script>
     <script src="/static/element-plus/index.full.min.js"></script>
-    <script>
-        const TopicsApp = {
-            data() { return { isLoggedIn: false, isAdmin: false, currentUser: { username: '' }, topics: [], filterStatus: '', selectedTopicIds: [], loadingTable: false } },
+    
+<script>
+const TopicsApp = {
+    data() {
+        return {
+            currentPage: 'topics',
+            isLoggedIn: false,
+            isAdmin: false,
+            currentUser: null,
+            loadingTable: false,
+            selectedTopicIds: [],
+            filterStatus: '',
+            stats: { total: 0, pending: 0, review: 0, ready: 0, published: 0, today: 0 },
+            topics: []
+        }
+    },
     computed: {
         filteredTopics() { 
-                    console.log('[DEBUG] filteredTopics called, filterStatus:', this.filterStatus, 'topics count:', this.topics.length); 
-                    if (!this.topics.length) { console.log('[DEBUG] topics is empty'); return []; } 
-                    if (!this.filterStatus) { console.log('[DEBUG] no filter, return all'); return this.topics; } 
-                    const result = this.topics.filter(t => t.status === this.filterStatus); 
-                    console.log('[DEBUG] filtered result count:', result.length); 
-                    return result; 
+            if (!this.topics || !this.topics.length) { return []; }
+            if (!this.filterStatus) { return this.topics; }
+            return this.topics.filter(t => t.status === this.filterStatus); 
         },
-                countByStatus() { return (status) => this.topics.filter(t => t.status === status).length; }
+        countByStatus() {
+            return (status) => this.topics.filter(t => t.status === status).length;
+        }
     },
     methods: {
         async fetchTopics() {
             this.loadingTable = true;
-                    console.log('[DEBUG] fetchTopics called');
             try {
                 const token = localStorage.getItem('authToken');
                 const response = await fetch('/api/topics', { headers: { 'Authorization': 'Bearer ' + token } });
                 if (!response.ok) throw new Error('获取失败');
                 const data = await response.json();
                 this.topics = data || [];
+                this.loadingTable = false;
             } catch (error) {
-        console.log('获取选题失败:', error);
+                console.log('获取选题失败，使用模拟数据');
                 this.$message.error('获取选题失败，使用模拟数据');
                 this.topics = [
                     { id: 'A01', title: '可持续发展趋势分析', field: '环保', status: '待处理', compliance_score: 85, created_at: '2026-04-27 10:30', generated_at: null, published_at: null },
                     { id: 'B02', title: 'AI 在内容创作中的应用', field: '科技', status: '待审查', compliance_score: 92, created_at: '2026-04-27 11:15', generated_at: '2026-04-27 11:45', published_at: null },
                     { id: 'C03', title: '数字化转型案例研究', field: '商业', status: '待发布', compliance_score: 78, created_at: '2026-04-27 12:00', generated_at: '2026-04-27 12:30', published_at: '2026-04-27 13:00' }
                 ];
+                this.loadingTable = false;
             }
-                const app = Vue.createApp(TopicsApp);
-            app.use(ElementPlus);
-            app.mount('#app');
-    </script>
+        },
+        refreshAll() { this.$message.info('执行批量刷新'); },
+        async triggerGenerateSelected() {
+            if (!this.selectedTopicIds.length) return;
+            this.$message.success('批量创作已启动');
+            this.selectedTopicIds = [];
+            await this.fetchTopics();
+        },
+        async triggerOptimizeSelected() {
+            if (!this.selectedTopicIds.length) return;
+            this.$message.success('批量优化已启动');
+            this.selectedTopicIds = [];
+            await this.fetchTopics();
+        },
+        openPreview(topic) { this.$message.info('预览：' + topic.title); },
+        async createTopic(topic) {
+            if (topic.status === '待处理') {
+                this.$message.success('开始创作：' + topic.title);
+                await this.fetchTopics();
+            } else { this.$message.info('仅待处理选题可创作'); }
+        },
+        async optimizeTopic(topic) {
+            if (topic.status === '待审查') {
+                this.$message.success('开始优化：' + topic.title);
+                await this.fetchTopics();
+            } else { this.$message.info('仅待审查选题可优化'); }
+        },
+        async handlePublish(topic) { this.$message.success('发布：' + topic.title); await this.fetchTopics(); },
+        deleteTopic(id) {
+            this.$confirm('确定删除？', '提示', { confirmButtonText: '确定', cancelButtonText: '取消', type: 'warning' })
+                .then(async () => { this.$message.success('删除成功'); await this.fetchTopics(); }).catch(() => {});
+        },
+        handleLogout() { localStorage.removeItem('authToken'); window.location.href = '/'; },
+        redirectToPage(page) { window.location.href = page.startsWith('/') ? page : '/' + page; },
+        formatDate(dateStr) { 
+            if (!dateStr) return '-';
+            try {
+                return new Date(dateStr.replace(' ', 'T')).toLocaleString('zh-CN', { 
+                    year: 'numeric', month: '2-digit', day: '2-digit', 
+                    hour: '2-digit', minute: '2-digit' 
+                });
+            } catch (e) { return dateStr; }
+        },
+        getStatusType(status) {
+            const map = { '待处理': 'warning', '待审查': 'danger', '待发布': 'success', '已发布': 'info' };
+            return map[status] || 'primary';
+        }
+    },
+    mounted() {
+        console.log('[DEBUG] TopicsApp mounted');
+        const token = localStorage.getItem('authToken');
+        console.log('[DEBUG] Token exists:', !!token);
+        if (!token) { window.location.href = '/'; return; }
+        // 解析 URL filter 参数
+        const urlParams = new URLSearchParams(window.location.search);
+        const filter = urlParams.get('filter');
+        console.log('[DEBUG] URL filter:', filter);
+        if (filter) { this.filterStatus = filter; }
+        fetch('/api/auth/me', { headers: { 'Authorization': 'Bearer ' + token } })
+            .then(response => response.ok ? response.json() : Promise.reject())
+            .then(data => { 
+                console.log('[DEBUG] Auth success, user:', data.user); 
+                this.currentUser = data.user; 
+                this.isAdmin = data.user.role === 'admin'; 
+                this.isLoggedIn = true; 
+                this.fetchTopics(); 
+            })
+            .catch(() => { localStorage.removeItem('authToken'); window.location.href = '/'; });
+    }
+};
+const app = Vue.createApp(TopicsApp);
+app.use(ElementPlus);
+app.mount('#app');
+</script>
+
 </body>
 </html>