refactor: 优化跨标签会话同步、引入强类型安全JSON解析工具及Seller样式重构

frontend/src/views/admin/AdminSystemConfigsView.vue

@@ -17,6 +17,7 @@ import {
 } from '@/api/homeConfig'
 import { fetchSystemConfigs, type SystemConfig } from '@/api/systemConfigs'
 import { formatDateTime } from '@/utils/time'
+import { safeParseJSON } from '@/utils/json'
 
 // 导入重构后的 Dialog 子组件
 import PublishOptionsDialog from './components/PublishOptionsDialog.vue'
@@ -76,8 +77,8 @@ const salePriceStats = computed(() => {
 })
 
 const homeStats = computed(() => {
-  const announcements = parseHomeAnnouncements(homeAnnouncementsConfig.value?.value || '', false)
-  const banners = parseHomeBanners(homeBannersConfig.value?.value || '', false)
+  const announcements = parseHomeAnnouncements(homeAnnouncementsConfig.value?.value || '')
+  const banners = parseHomeBanners(homeBannersConfig.value?.value || '')
   return {
     announcementCount: announcements.length,
     bannerCount: banners.length,
@@ -111,39 +112,23 @@ function openEdit(row: SystemConfig) {
 }
 
 function safeParsePublishOptions(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : emptyListingPublishOptions
-    return cloneOptions(mergeListingPublishOptions(parsed))
-  } catch {
-    return cloneOptions(emptyListingPublishOptions)
-  }
+  const parsed = safeParseJSON(raw, emptyListingPublishOptions)
+  return cloneOptions(mergeListingPublishOptions(parsed))
 }
 
 function safeParseSalePriceConfig(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : emptyListingSalePriceConfig
-    return cloneSalePriceConfig(mergeListingSalePriceConfig(parsed))
-  } catch {
-    return cloneSalePriceConfig(emptyListingSalePriceConfig)
-  }
+  const parsed = safeParseJSON(raw, emptyListingSalePriceConfig)
+  return cloneSalePriceConfig(mergeListingSalePriceConfig(parsed))
 }
 
-function parseHomeAnnouncements(raw: string, showWarning = false) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : defaultHomeAnnouncements
-    return mergeHomeConfig({ announcements: Array.isArray(parsed) ? parsed : [] }).announcements
-  } catch {
-    return [...defaultHomeAnnouncements]
-  }
+function parseHomeAnnouncements(raw: string) {
+  const parsed = safeParseJSON(raw, defaultHomeAnnouncements)
+  return mergeHomeConfig({ announcements: Array.isArray(parsed) ? parsed : [] }).announcements
 }
 
-function parseHomeBanners(raw: string, showWarning = false) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : defaultHomeBanners
-    return cloneHomeBanners(mergeHomeConfig({ banners: Array.isArray(parsed) ? parsed : [] }).banners)
-  } catch {
-    return cloneHomeBanners(defaultHomeBanners)
-  }
+function parseHomeBanners(raw: string) {
+  const parsed = safeParseJSON(raw, defaultHomeBanners)
+  return cloneHomeBanners(mergeHomeConfig({ banners: Array.isArray(parsed) ? parsed : [] }).banners)
 }
 
 function cloneOptions(options: ListingPublishOptions) {

frontend/src/views/admin/components/HomeAnnouncementsDialog.vue

@@ -4,6 +4,7 @@ import { ref, watch } from 'vue'
 
 import { defaultHomeAnnouncements, mergeHomeConfig } from '@/api/homeConfig'
 import { updateSystemConfig, type SystemConfig } from '@/api/systemConfigs'
+import { safeParseJSON } from '@/utils/json'
 
 const props = defineProps<{
   modelValue: boolean
@@ -31,12 +32,8 @@ watch(
 )
 
 function parseHomeAnnouncements(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : defaultHomeAnnouncements
-    return mergeHomeConfig({ announcements: Array.isArray(parsed) ? parsed : [] }).announcements
-  } catch {
-    return [...defaultHomeAnnouncements]
-  }
+  const parsed = safeParseJSON(raw, defaultHomeAnnouncements)
+  return mergeHomeConfig({ announcements: Array.isArray(parsed) ? parsed : [] }).announcements
 }
 
 function linesToItems(value: string) {

frontend/src/views/admin/components/HomeBannersDialog.vue

@@ -5,6 +5,7 @@ import { ref, watch } from 'vue'
 import { uploadAdminFile } from '@/api/files'
 import { defaultHomeBanners, mergeHomeConfig, type HomeBannerSlide } from '@/api/homeConfig'
 import { updateSystemConfig, type SystemConfig } from '@/api/systemConfigs'
+import { safeParseJSON } from '@/utils/json'
 
 const props = defineProps<{
   modelValue: boolean
@@ -33,12 +34,8 @@ watch(
 )
 
 function parseHomeBanners(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : defaultHomeBanners
-    return cloneHomeBanners(mergeHomeConfig({ banners: Array.isArray(parsed) ? parsed : [] }).banners)
-  } catch {
-    return cloneHomeBanners(defaultHomeBanners)
-  }
+  const parsed = safeParseJSON(raw, defaultHomeBanners)
+  return cloneHomeBanners(mergeHomeConfig({ banners: Array.isArray(parsed) ? parsed : [] }).banners)
 }
 
 function cloneHomeBanners(banners: HomeBannerSlide[]) {

frontend/src/views/admin/components/PublishOptionsDialog.vue

@@ -8,6 +8,7 @@ import {
   type ListingPublishOptions,
 } from '@/api/listingOptions'
 import { updateSystemConfig, type SystemConfig } from '@/api/systemConfigs'
+import { safeParseJSON } from '@/utils/json'
 
 const props = defineProps<{
   modelValue: boolean
@@ -35,13 +36,8 @@ watch(
 )
 
 function parsePublishOptions(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : emptyListingPublishOptions
-    return cloneOptions(mergeListingPublishOptions(parsed))
-  } catch {
-    ElMessage.warning('发布选项 JSON 解析失败，已清空草稿')
-    return cloneOptions(emptyListingPublishOptions)
-  }
+  const parsed = safeParseJSON(raw, emptyListingPublishOptions)
+  return cloneOptions(mergeListingPublishOptions(parsed))
 }
 
 function cloneOptions(options: ListingPublishOptions) {

frontend/src/views/admin/components/SalePriceDialog.vue

@@ -8,6 +8,7 @@ import {
   type PublishSalePriceConfig,
 } from '@/api/listingOptions'
 import { updateSystemConfig, type SystemConfig } from '@/api/systemConfigs'
+import { safeParseJSON } from '@/utils/json'
 
 const props = defineProps<{
   modelValue: boolean
@@ -35,13 +36,8 @@ watch(
 )
 
 function parseSalePriceConfig(raw: string) {
-  try {
-    const parsed = raw.trim() ? JSON.parse(raw) : emptyListingSalePriceConfig
-    return cloneSalePriceConfig(mergeListingSalePriceConfig(parsed))
-  } catch {
-    ElMessage.warning('出售定价规则 JSON 解析失败，已清空草稿')
-    return cloneSalePriceConfig(emptyListingSalePriceConfig)
-  }
+  const parsed = safeParseJSON(raw, emptyListingSalePriceConfig)
+  return cloneSalePriceConfig(mergeListingSalePriceConfig(parsed))
 }
 
 function cloneSalePriceConfig(config: PublishSalePriceConfig) {