feat: 新增短链接工具，优化日历提醒功能

1. 新增完整短链接工具服务，包括前端页面、后端API与数据库支持
2. 新增移动端日历提醒工具与鉴权配置
3. 优化日历事件编辑与展示：
   - 添加事件循环重复设置
   - 新增全天事件支持
   - 时间选择器自动对齐15分钟间隔
   - 保存状态加载动画
   - 事件卡片显示重复规则
4. 更新API基础地址与路由配置
5. 新增SSL证书文件与相关工具静态资源

public/tools/short_link/short_link.css

@@ -0,0 +1,187 @@
+/* ===== 短链接工具样式 ===== */
+:root {
+  --primary: #2563eb;
+  --primary-hover: #1d4ed8;
+  --danger: #dc2626;
+  --danger-hover: #b91c1c;
+  --success: #16a34a;
+  --bg: #f8fafc;
+  --card-bg: #fff;
+  --border: #e2e8f0;
+  --text: #1e293b;
+  --text-secondary: #64748b;
+  --radius: 10px;
+}
+
+body { background: var(--bg); color: var(--text); min-height: 100vh }
+main { max-width: 960px; margin: 0 auto; padding: 16px 12px 40px }
+
+/* 卡片 */
+.card {
+  background: var(--card-bg);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  padding: 20px;
+  margin-bottom: 16px;
+}
+.card h2 { margin: 0 0 12px; font-size: 16px; font-weight: 600 }
+.hint { font-size: 12px; color: var(--text-secondary); margin: 0 0 12px }
+
+/* 模式徽章 */
+.mode-badge {
+  font-size: 11px;
+  padding: 2px 8px;
+  border-radius: 4px;
+  background: #fef3c7;
+  color: #92400e;
+  font-weight: 600;
+}
+.mode-badge.normal { background: #d1fae5; color: #065f46 }
+
+/* 表单 */
+.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px }
+.form-row { display: flex; flex-direction: column; gap: 4px }
+.form-row.full { grid-column: 1 / -1 }
+.form-row label { font-size: 13px; font-weight: 500; color: var(--text-secondary) }
+.form-row .req { color: var(--danger) }
+.form-row input, .form-row select {
+  padding: 8px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  font-size: 14px;
+  outline: none;
+  transition: border-color .15s;
+}
+.form-row input:focus, .form-row select:focus { border-color: var(--primary) }
+.form-actions { margin-top: 14px; display: flex; gap: 8px }
+
+/* 按钮 */
+.btn {
+  padding: 8px 16px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  background: #fff;
+  cursor: pointer;
+  font-size: 13px;
+  transition: all .15s;
+}
+.btn:hover { background: #f1f5f9 }
+.btn:disabled { opacity: .5; cursor: not-allowed }
+.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary) }
+.btn-primary:hover { background: var(--primary-hover) }
+.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger) }
+.btn-danger:hover { background: var(--danger-hover) }
+.btn-sm { padding: 4px 10px; font-size: 12px }
+.btn-link {
+  border: none; background: none; color: var(--primary);
+  cursor: pointer; font-size: 12px; padding: 2px 4px; text-decoration: underline;
+}
+
+/* 别名网格 */
+.alias-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px }
+.alias-item {
+  display: flex; align-items: center; gap: 8px;
+  padding: 8px 12px;
+  background: #f1f5f9;
+  border-radius: 6px;
+  font-size: 13px;
+}
+.alias-item code {
+  background: #e0e7ff;
+  padding: 1px 6px;
+  border-radius: 4px;
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--primary);
+}
+.alias-item .alias-target { color: var(--text-secondary); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap }
+
+/* 列表 */
+.list-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px }
+.list-header h2 { margin: 0 }
+.list-toolbar { display: flex; gap: 6px; align-items: center }
+.list-toolbar input {
+  padding: 6px 10px;
+  border: 1px solid var(--border);
+  border-radius: 6px;
+  font-size: 13px;
+  width: 200px;
+  outline: none;
+}
+.list-toolbar input:focus { border-color: var(--primary) }
+
+.table-wrap { overflow-x: auto }
+table { width: 100%; border-collapse: collapse; font-size: 13px }
+th { text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--border); color: var(--text-secondary); font-weight: 600; white-space: nowrap }
+td { padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: middle }
+tr:hover td { background: #f8fafc }
+
+.short-url { font-weight: 600; color: var(--primary); cursor: pointer; white-space: nowrap }
+.short-url:hover { text-decoration: underline }
+.target-url { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-secondary); font-size: 12px }
+.status-active { color: var(--success); font-weight: 600 }
+.status-inactive { color: var(--danger); font-weight: 600 }
+.status-expired { color: #d97706; font-weight: 600 }
+.actions { display: flex; gap: 4px; flex-wrap: nowrap }
+
+/* 分页 */
+.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 12px }
+.pagination button {
+  padding: 4px 10px; border: 1px solid var(--border); border-radius: 4px;
+  background: #fff; cursor: pointer; font-size: 12px;
+}
+.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary) }
+.pagination button:disabled { opacity: .4; cursor: not-allowed }
+
+/* 弹窗 */
+.interaction-modal-body { max-height: 80vh; overflow-y: auto; width: 600px }
+.interaction-content {
+  background: #1e293b; color: #e2e8f0; border-radius: 6px;
+  padding: 12px; font-family: 'Cascadia Code', 'Fira Code', monospace;
+  font-size: 12px; line-height: 1.6; white-space: pre-wrap; word-break: break-all;
+  max-height: 50vh; overflow-y: auto;
+}
+.countdown { font-size: 12px; color: var(--text-secondary); margin-left: auto }
+
+.confirm-modal-body { width: 400px }
+.edit-modal-body { width: 520px }
+.stats-modal-body { width: 600px; max-height: 80vh; overflow-y: auto }
+
+.stats-summary {
+  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 12px;
+}
+.stat-box {
+  background: #f1f5f9; border-radius: 6px; padding: 10px; text-align: center;
+}
+.stat-box .stat-num { font-size: 22px; font-weight: 700; color: var(--primary) }
+.stat-box .stat-label { font-size: 11px; color: var(--text-secondary); margin-top: 2px }
+
+.stats-clicks { max-height: 40vh; overflow-y: auto }
+.click-row {
+  display: flex; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--border);
+  font-size: 12px; color: var(--text-secondary);
+}
+.click-row .click-time { white-space: nowrap; color: var(--text) }
+
+/* Toast */
+.toast {
+  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
+  padding: 10px 20px; border-radius: 8px; font-size: 13px; color: #fff;
+  z-index: 2000; transition: opacity .3s; box-shadow: 0 4px 12px rgba(0,0,0,.15);
+}
+.toast.info { background: var(--primary) }
+.toast.success { background: var(--success) }
+.toast.error { background: var(--danger) }
+
+/* 空状态 */
+.empty-state { text-align: center; padding: 32px; color: var(--text-secondary); font-size: 14px }
+
+/* 响应式 */
+@media (max-width: 640px) {
+  .form-grid { grid-template-columns: 1fr }
+  .alias-grid { grid-template-columns: 1fr }
+  .list-header { flex-direction: column; align-items: flex-start }
+  .list-toolbar { width: 100% }
+  .list-toolbar input { flex: 1; width: auto }
+  .stats-summary { grid-template-columns: 1fr }
+}