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/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) {