feat: click 'x个方案' to open latest plan detail

app/templates/index.html

@@ -614,7 +614,7 @@ function renderStudentList(students) {
                             <p class="card-text text-muted small">${s.wechat_nickname || ''} ${s.phone ? '| ' + s.phone : ''}</p>
                             <span class="badge bg-info">${s.practice_time}</span>
                             <span class="badge ${s.problem_count > 0 ? 'bg-secondary' : 'bg-light text-muted'}">${problemText}</span>
-                            <span class="badge ${planBadgeClass}">${planBadgeText}</span>
+                            ${s.plan_count > 0 ? `<a href="/plan/${s.latest_plan_id}" class="text-decoration-none" onclick="event.stopPropagation()"><span class="badge bg-primary">${s.plan_count} 个方案</span></a>` : '<span class="badge bg-light text-muted">暂无方案</span>'}
                             ${s.goal_count > 0 ? `<span class="badge bg-success">${s.goal_count}个目标(${s.completed_goal_count}已达成)</span>` : ''}
                         </div>
                     </a>