发布流程增加解锁赛伊德与腾讯安全中心截图教程

- 解锁赛伊德：皮肤与交接分区新增是/否必选项，存入 asset_summary，
  仅当号主选「是」时在买家端列表/详情展示「解锁赛伊德：是」
- 腾讯安全中心截图：新增可复用 GuideImage 组件（缩略图 + 点击全屏放大），
  在该截图槽位展示处罚截图教程图，仅提示用途、不占用上传数量

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

frontend/src/features/seller/composables/usePublishDraft.ts

@@ -17,6 +17,7 @@ export function defaultPublishForm(): PublishForm {
     login_method: '',
     online_start: '',
     online_end: '',
+    unlock_said: '',
     ban_record: '',
     common_regions: [],
     depositAmountYuan: '',

frontend/src/features/seller/composables/usePublishForm.ts

@@ -285,6 +285,7 @@ export function usePublishForm(options: UsePublishFormOptions) {
       login_method: listing.login_platform || '',
       online_start: stringValue(onlineTime.start),
       online_end: stringValue(onlineTime.end),
+      unlock_said: stringValue(summary.unlock_said),
       ban_record: stringValue(summary.ban_record),
       common_regions: stringArray(summary.common_regions),
       depositAmountYuan: listing.deposit_amount_cent > 0 ? listing.deposit_amount_cent / 100 : '',
@@ -730,6 +731,7 @@ export function usePublishForm(options: UsePublishFormOptions) {
       }
     }
     if (pricing.banRecordOptions.value.length && !form.ban_record) return '请选择封禁记录'
+    if (!form.unlock_said) return '请选择是否解锁赛伊德'
     if (form.depositAmountYuan === '' || Number(form.depositAmountYuan) < 0) return '请填写押金'
     if (!Number.isFinite(Number(form.depositAmountYuan))) return '押金格式不正确'
     if (
@@ -825,6 +827,7 @@ export function usePublishForm(options: UsePublishFormOptions) {
         start: form.online_start,
         end: form.online_end,
       },
+      unlock_said: form.unlock_said,
       ban_record: form.ban_record,
       common_regions: form.common_regions,
       remark: form.remark,