Add pagination to admin management tabs (cases/categories/sources/orgs)

platform/frontend/metrics.html

@@ -51,24 +51,6 @@
                     <el-icon style="font-size:32px;margin-bottom:12px;" class="is-loading"><IconLoading /></el-icon>
                     <div>加载中...</div>
                 </div>
-                <div v-else class="stats-grid">
-                    <div class="stat-card">
-                        <div class="stat-value">{{ dashboard.total_topics }}</div>
-                        <div class="stat-label">选题总数</div>
-                    </div>
-                    <div class="stat-card success">
-                        <div class="stat-value">{{ dashboard.total_published }}</div>
-                        <div class="stat-label">已发布</div>
-                    </div>
-                    <div class="stat-card warning">
-                        <div class="stat-value">{{ dashboard.total_views }}</div>
-                        <div class="stat-label">总阅读</div>
-                    </div>
-                    <div class="stat-card danger">
-                        <div class="stat-value">{{ dashboard.avg_engagement_rate }}%</div>
-                        <div class="stat-label">平均互动率</div>
-                    </div>
-                </div>
                 <div class="card page-fade">
                     <h3 style="font-size: 18px; margin-bottom: 16px;"><el-icon style="vertical-align:-2px;"><IconDashboard /></el-icon> 选题状态分布</h3>
                     <div style="display: flex; gap: 20px; flex-wrap: wrap; align-items:center;">