feat: 完善审批功能

- 新增通用审批列表页面（我发起的/待我审批/我已审批）
- 新增通用审批详情页面（支持审批通过/拒绝操作）
- 修复审批列表过滤逻辑（"我已审批"只显示已完成订单）
- 修复登录页面未设置 Zustand store 的问题
- 修复 User 类型定义（id 改为 number 类型）
- 修复草稿恢复时的日期转换问题
- 创建测试数据脚本（test_data.php）
- 安装 webman 官方依赖包（database, redis, pagination 等）

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/pages/approval/detail.module.css

@@ -0,0 +1,249 @@
+.detail {
+  min-height: 100vh;
+  background: #f5f5f5;
+  padding-bottom: 80px;
+}
+
+.loading {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  min-height: 100vh;
+  color: #999;
+}
+
+.content {
+  padding: 12px;
+}
+
+.statusCard {
+  margin-bottom: 12px;
+}
+
+.statusHeader {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 16px;
+  padding-bottom: 12px;
+  border-bottom: 1px solid #f0f0f0;
+}
+
+.title {
+  font-size: 18px;
+  font-weight: 600;
+  color: #333;
+}
+
+.statusInfo {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.infoItem {
+  display: flex;
+  font-size: 14px;
+}
+
+.label {
+  color: #666;
+  width: 80px;
+  flex-shrink: 0;
+}
+
+.value {
+  color: #333;
+  flex: 1;
+}
+
+.section {
+  margin-bottom: 12px;
+}
+
+.approverItem {
+  padding: 8px 0;
+  border-bottom: 1px solid #f0f0f0;
+}
+
+.approverItem:last-child {
+  border-bottom: none;
+}
+
+.approverName {
+  font-size: 15px;
+  color: #333;
+  margin-bottom: 4px;
+}
+
+.approverType {
+  font-size: 13px;
+  color: #999;
+}
+
+.formData {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.formRow {
+  display: flex;
+  font-size: 14px;
+  line-height: 1.6;
+}
+
+.formLabel {
+  color: #666;
+  width: 100px;
+  flex-shrink: 0;
+}
+
+.formValue {
+  color: #333;
+  flex: 1;
+  word-break: break-all;
+}
+
+.flowNodes {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.flowNode {
+  display: flex;
+  align-items: flex-start;
+  gap: 12px;
+  position: relative;
+}
+
+.flowNodeDot {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 12px;
+  font-weight: 600;
+  flex-shrink: 0;
+}
+
+.flowNode.pending .flowNodeDot {
+  background: #e8e8e8;
+  color: #999;
+}
+
+.flowNode.done .flowNodeDot {
+  background: #52c41a;
+  color: #fff;
+}
+
+.flowNode.current .flowNodeDot {
+  background: #1890ff;
+  color: #fff;
+  box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.2);
+}
+
+.flowNodeContent {
+  flex: 1;
+  padding-top: 2px;
+}
+
+.flowNodeName {
+  font-size: 15px;
+  color: #333;
+  font-weight: 500;
+  margin-bottom: 4px;
+}
+
+.flowNodeType {
+  font-size: 13px;
+  color: #999;
+}
+
+.timeline {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.timelineItem {
+  display: flex;
+  align-items: flex-start;
+  gap: 12px;
+}
+
+.timelineDot {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+.timelineDotIcon {
+  font-size: 14px;
+}
+
+.timelineContent {
+  flex: 1;
+}
+
+.timelineTitle {
+  font-size: 15px;
+  color: #333;
+  margin-bottom: 4px;
+}
+
+.timelineName {
+  color: #666;
+  font-size: 14px;
+  margin-left: 8px;
+}
+
+.timelineTime {
+  font-size: 13px;
+  color: #999;
+  margin-bottom: 4px;
+}
+
+.timelineComment {
+  font-size: 14px;
+  color: #666;
+  background: #f5f5f5;
+  padding: 8px 12px;
+  border-radius: 4px;
+  margin-top: 4px;
+}
+
+.empty {
+  text-align: center;
+  color: #999;
+  padding: 20px 0;
+  font-size: 14px;
+}
+
+.footer {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  padding: 12px 16px;
+  background: #fff;
+  border-top: 1px solid #f0f0f0;
+  display: flex;
+  gap: 12px;
+  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
+}
+
+.footer button {
+  flex: 1;
+}
+
+.commentBox {
+  padding: 8px 0;
+}