数据库文档编写，开发规范文档，数据库接入

pages/mall/analytics/custom-report.uvue

@@ -165,6 +165,7 @@ import AnalyticsSidebarMenu from '@/components/analytics/AnalyticsSidebarMenu.uv
 import AnalyticsTopBar from '@/components/analytics/AnalyticsTopBar.uvue'
 import { goToLogin as goToLoginPage } from '@/utils/utils.uts'
 import { getUserIdOrNull } from '@/services/analytics/auth.uts'
+import { ensureAnalyticsLogin } from '@/services/analytics/authGuard.uts'
 import { listCustomReports, createCustomReport, updateCustomReport, deleteCustomReport } from '@/services/analytics/customReportService.uts'
 import { mapAnalyticsError } from '@/services/analytics/errorMapper.uts'
 
@@ -225,6 +226,7 @@ const chartTypes = ref<Array<ChartType>>([
 
 onLoad(() => {
   currentPath.value = '/pages/mall/analytics/custom-report'
+  if (!ensureAnalyticsLogin({ toastTitle: '请先登录后使用自定义报表' })) return
   loadReports()
 })
 
@@ -439,17 +441,27 @@ async function saveReport() {
     }
 
     uni.hideLoading()
+
+    // 检查 newReportId 是否有效，无效则认为创建失败
+    if (newReportId == null || newReportId.length === 0) {
+      uni.showToast({
+        title: '创建失败：未返回报表ID',
+        icon: 'none',
+        duration: 3000
+      })
+      return
+    }
+
     uni.showToast({ title: '保存成功', icon: 'success' })
     closeModal()
     loadReports()
 
-    if (newReportId.length > 0) {
-      setTimeout(() => {
-        uni.navigateTo({
-          url: `/pages/mall/analytics/report-detail?reportId=${newReportId}`
-        })
-      }, 400)
-    }
+    setTimeout(() => {
+      uni.navigateTo({
+        url: `/pages/mall/analytics/report-detail?reportId=${newReportId}`
+      })
+    }, 400)
+
   } catch (e: any) {
     uni.hideLoading()
     console.error('saveReport exception:', e)
@@ -493,6 +505,10 @@ function closeMoreMenu() {
   showMoreMenu.value = false
 }
 
+function goToLogin() {
+  ensureAnalyticsLogin({ toastTitle: '请先登录后使用自定义报表' })
+}
+
 function handleSearch() {
   uni.showToast({ title: '搜索', icon: 'none' })
 }